Merge https://github.com/gingerBill/Odin

10 files changed, 1414 insertions, 190 deletions

diff --git a/src/check_expr.c b/src/check_expr.c
index db1bbd135..55dcdb941 100644
--- a/src/check_expr.c
+++ b/src/check_expr.c
@@ -1754,19 +1754,69 @@ bool check_representable_as_constant(Checker *c, ExactValue in_value, Type *type
 		if (v.kind != ExactValue_Float) {
 			return false;
 		}
+		if (out_value) *out_value = v;
+
 
 		switch (type->Basic.kind) {
-		// case Basic_f16:
 		case Basic_f32:
 		case Basic_f64:
-		// case Basic_f128:
-			if (out_value) *out_value = v;
 			return true;
 
 		case Basic_UntypedFloat:
 			return true;
 		}
-	} else if (is_type_pointer(type)) {
+	} else if (is_type_complex(type)) {
+		ExactValue v = exact_value_to_complex(in_value);
+		if (v.kind != ExactValue_Complex) {
+			return false;
+		}
+
+		switch (type->Basic.kind) {
+		case Basic_complex64:
+		case Basic_complex128: {
+			ExactValue real = exact_value_real(v);
+			ExactValue imag = exact_value_imag(v);
+			if (real.kind != ExactValue_Invalid &&
+			    imag.kind != ExactValue_Invalid) {
+				if (out_value) *out_value = exact_binary_operator_value(Token_Add, real, exact_value_make_imag(imag));
+				return true;
+			}
+		} break;
+		case Basic_UntypedComplex:
+			return true;
+		}
+
+		return false;
+	} else if (is_type_quaternion(type)) {
+		ExactValue v = exact_value_to_quaternion(in_value);
+		if (v.kind != ExactValue_Quaternion) {
+			return false;
+		}
+
+		switch (type->Basic.kind) {
+		case Basic_quaternion128:
+		case Basic_quaternion256: {
+			ExactValue real = exact_value_real(v);
+			ExactValue imag = exact_value_imag(v);
+			ExactValue jmag = exact_value_jmag(v);
+			ExactValue kmag = exact_value_kmag(v);
+			if (real.kind != ExactValue_Invalid &&
+			    imag.kind != ExactValue_Invalid &&
+			    jmag.kind != ExactValue_Invalid &&
+			    kmag.kind != ExactValue_Invalid) {
+				ExactValue ov = exact_binary_operator_value(Token_Add, real, exact_value_make_imag(imag));
+				ov = exact_binary_operator_value(Token_Add, ov, exact_value_make_jmag(jmag));
+				ov = exact_binary_operator_value(Token_Add, ov, exact_value_make_kmag(kmag));
+				if (out_value) *out_value = ov;
+				return true;
+			}
+		} break;
+		case Basic_UntypedQuaternion:
+			return true;
+		}
+
+		return false;
+	}else if (is_type_pointer(type)) {
 		if (in_value.kind == ExactValue_Pointer) {
 			return true;
 		}
@@ -2190,6 +2240,14 @@ bool check_is_castable_to(Checker *c, Operand *operand, Type *y) {
 		}
 	}
 
+	if (is_type_complex(src) && is_type_complex(dst)) {
+		return true;
+	}
+
+	if (is_type_quaternion(src) && is_type_quaternion(dst)) {
+		return true;
+	}
+
 	// Cast between pointers
 	if (is_type_pointer(src) && is_type_pointer(dst)) {
 		Type *s = base_type(type_deref(src));
@@ -2590,6 +2648,8 @@ void convert_to_typed(Checker *c, Operand *operand, Type *target_type, i32 level
 				break;
 			case Basic_UntypedInteger:
 			case Basic_UntypedFloat:
+			case Basic_UntypedComplex:
+			case Basic_UntypedQuaternion:
 			case Basic_UntypedRune:
 				if (!is_type_numeric(target_type)) {
 					operand->mode = Addressing_Invalid;
@@ -3568,6 +3628,279 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 		operand->mode = Addressing_Value;
 	} break;
 
+	case BuiltinProc_complex: {
+		// complex :: proc(real, imag: float_type) -> complex_type
+		Operand x = *operand;
+		Operand y = {0};
+
+		// NOTE(bill): Invalid will be the default till fixed
+		operand->type = t_invalid;
+		operand->mode = Addressing_Invalid;
+
+		check_expr(c, &y, ce->args.e[1]);
+		if (y.mode == Addressing_Invalid) {
+			return false;
+		}
+
+		convert_to_typed(c, &x, y.type, 0); if (x.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &y, x.type, 0); if (y.mode == Addressing_Invalid) return false;
+		if (x.mode == Addressing_Constant &&
+		    y.mode == Addressing_Constant) {
+			if (is_type_numeric(x.type) && exact_value_imag(x.value).value_float == 0) {
+				x.type = t_untyped_float;
+			}
+			if (is_type_numeric(y.type) && exact_value_imag(y.value).value_float == 0) {
+				y.type = t_untyped_float;
+			}
+		}
+
+		if (!are_types_identical(x.type, y.type)) {
+			gbString tx = type_to_string(x.type);
+			gbString ty = type_to_string(y.type);
+			error_node(call, "Mismatched types to `complex`, `%s` vs `%s`", tx, ty);
+			gb_string_free(ty);
+			gb_string_free(tx);
+			return false;
+		}
+
+		if (!is_type_float(x.type)) {
+			gbString s = type_to_string(x.type);
+			error_node(call, "Arguments have type `%s`, expected a floating point", s);
+			gb_string_free(s);
+			return false;
+		}
+
+		if (x.mode == Addressing_Constant && y.mode == Addressing_Constant) {
+			operand->value = exact_binary_operator_value(Token_Add, x.value, y.value);
+			operand->mode = Addressing_Constant;
+		} else {
+			operand->mode = Addressing_Value;
+		}
+
+		BasicKind kind = core_type(x.type)->Basic.kind;
+		switch (kind) {
+		case Basic_f32:          operand->type = t_complex64;       break;
+		case Basic_f64:          operand->type = t_complex128;      break;
+		case Basic_UntypedFloat: operand->type = t_untyped_complex; break;
+		default: GB_PANIC("Invalid type"); break;
+		}
+	} break;
+
+	case BuiltinProc_quaternion: {
+		// quaternion :: proc(real, imag, jmag, kmag: float_type) -> quaternion_type
+		Operand x = *operand;
+		Operand y = {0};
+		Operand z = {0};
+		Operand w = {0};
+
+		GB_PANIC("BuiltinProc_quaternion");
+
+		// NOTE(bill): Invalid will be the default till fixed
+		operand->type = t_invalid;
+		operand->mode = Addressing_Invalid;
+
+		check_expr(c, &y, ce->args.e[1]); if (y.mode == Addressing_Invalid) return false;
+		check_expr(c, &z, ce->args.e[2]); if (z.mode == Addressing_Invalid) return false;
+		check_expr(c, &w, ce->args.e[3]); if (w.mode == Addressing_Invalid) return false;
+
+		convert_to_typed(c, &x, y.type, 0); if (x.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &x, z.type, 0); if (x.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &x, w.type, 0); if (x.mode == Addressing_Invalid) return false;
+
+		convert_to_typed(c, &y, z.type, 0); if (y.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &y, w.type, 0); if (y.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &y, x.type, 0); if (y.mode == Addressing_Invalid) return false;
+
+		convert_to_typed(c, &z, y.type, 0); if (z.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &z, w.type, 0); if (z.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &z, x.type, 0); if (z.mode == Addressing_Invalid) return false;
+
+		convert_to_typed(c, &w, x.type, 0); if (w.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &w, y.type, 0); if (w.mode == Addressing_Invalid) return false;
+		convert_to_typed(c, &w, z.type, 0); if (w.mode == Addressing_Invalid) return false;
+
+		if (x.mode == Addressing_Constant &&
+		    y.mode == Addressing_Constant &&
+		    z.mode == Addressing_Constant &&
+		    w.mode == Addressing_Constant) {
+			if (is_type_numeric(x.type) &&
+			    exact_value_imag(x.value).value_float == 0 &&
+			    exact_value_jmag(x.value).value_float == 0 &&
+			    exact_value_kmag(x.value).value_float == 0) {
+				x.type = t_untyped_float;
+			}
+			if (is_type_numeric(y.type) &&
+			    exact_value_imag(y.value).value_float == 0 &&
+			    exact_value_jmag(y.value).value_float == 0 &&
+			    exact_value_kmag(y.value).value_float == 0) {
+				y.type = t_untyped_float;
+			}
+			if (is_type_numeric(z.type) &&
+			    exact_value_imag(z.value).value_float == 0 &&
+			    exact_value_jmag(z.value).value_float == 0 &&
+			    exact_value_kmag(z.value).value_float == 0) {
+				z.type = t_untyped_float;
+			}
+			if (is_type_numeric(w.type) &&
+			    exact_value_imag(w.value).value_float == 0 &&
+			    exact_value_jmag(w.value).value_float == 0 &&
+			    exact_value_kmag(w.value).value_float == 0) {
+				w.type = t_untyped_float;
+			}
+		}
+
+		if (!are_types_identical(x.type, y.type)) {
+			gbString tx = type_to_string(x.type);
+			gbString ty = type_to_string(y.type);
+			gbString tz = type_to_string(z.type);
+			gbString tw = type_to_string(w.type);
+			error_node(call, "Mismatched types to `complex`, `%s`, `%s` `%s`, `%s`", tx, ty, tz, tw);
+			gb_string_free(tw);
+			gb_string_free(tz);
+			gb_string_free(ty);
+			gb_string_free(tx);
+			return false;
+		}
+
+		if (!is_type_float(x.type)) {
+			gbString s = type_to_string(x.type);
+			error_node(call, "Arguments have type `%s`, expected a floating point", s);
+			gb_string_free(s);
+			return false;
+		}
+
+		if (x.mode == Addressing_Constant &&
+		    y.mode == Addressing_Constant &&
+		    z.mode == Addressing_Constant &&
+		    w.mode == Addressing_Constant) {
+			ExactValue v = exact_binary_operator_value(Token_Add, x.value, y.value);
+			v = exact_binary_operator_value(Token_Add, v, z.value);
+			v = exact_binary_operator_value(Token_Add, v, w.value);
+			operand->value = v;
+			operand->mode = Addressing_Constant;
+		} else {
+			operand->mode = Addressing_Value;
+		}
+
+		BasicKind kind = core_type(x.type)->Basic.kind;
+		switch (kind) {
+		case Basic_complex64:         x.type = t_f32;           break;
+		case Basic_complex128:        x.type = t_f64;           break;
+		case Basic_UntypedComplex:    x.type = t_untyped_float; break;
+		case Basic_quaternion128:     x.type = t_f32;           break;
+		case Basic_quaternion256:     x.type = t_f64;           break;
+		case Basic_UntypedQuaternion: x.type = t_untyped_float; break;
+		default: GB_PANIC("Invalid type"); break;
+		}
+	} break;
+
+	case BuiltinProc_real:
+	case BuiltinProc_imag:
+	case BuiltinProc_jmag:
+	case BuiltinProc_kmag: {
+		// real :: proc(x: type) -> float_type
+		// imag :: proc(x: type) -> float_type
+		// jmag :: proc(x: type) -> float_type
+		// kmag :: proc(x: type) -> float_type
+
+		Operand *x = operand;
+		if (is_type_untyped(x->type)) {
+			if (x->mode == Addressing_Constant) {
+				if (is_type_numeric(x->type)) {
+					if (id == BuiltinProc_jmag ||
+					    id == BuiltinProc_kmag) {
+						x->type = t_untyped_quaternion;
+					} else {
+						x->type = t_untyped_complex;
+					}
+				}
+			} else {
+				if (id == BuiltinProc_jmag ||
+				    id == BuiltinProc_kmag) {
+					convert_to_typed(c, x, t_quaternion256, 0);
+				} else {
+					convert_to_typed(c, x, t_complex128, 0);
+				}
+				if (x->mode == Addressing_Invalid) {
+					return false;
+				}
+			}
+		}
+
+		if (id == BuiltinProc_jmag ||
+		    id == BuiltinProc_kmag) {
+			if (!is_type_quaternion(x->type)) {
+				gbString s = type_to_string(x->type);
+				error_node(call, "Argument has type `%s`, expected a complex type", s);
+				gb_string_free(s);
+				return false;
+			}
+		} else {
+			if (!is_type_complex(x->type) && !is_type_quaternion(x->type)) {
+				gbString s = type_to_string(x->type);
+				error_node(call, "Argument has type `%s`, expected a complex or quaternion type", s);
+				gb_string_free(s);
+				return false;
+			}
+		}
+
+		if (x->mode == Addressing_Constant) {
+			switch (id) {
+			case BuiltinProc_real: x->value = exact_value_real(x->value); break;
+			case BuiltinProc_imag: x->value = exact_value_imag(x->value); break;
+			case BuiltinProc_jmag: x->value = exact_value_jmag(x->value); break;
+			case BuiltinProc_kmag: x->value = exact_value_kmag(x->value); break;
+			}
+		} else {
+			x->mode = Addressing_Value;
+		}
+
+		BasicKind kind = core_type(x->type)->Basic.kind;
+		switch (kind) {
+		case Basic_complex64:         x->type = t_f32;           break;
+		case Basic_complex128:        x->type = t_f64;           break;
+		case Basic_UntypedComplex:    x->type = t_untyped_float; break;
+		case Basic_quaternion128:     x->type = t_f32;           break;
+		case Basic_quaternion256:     x->type = t_f64;           break;
+		case Basic_UntypedQuaternion: x->type = t_untyped_float; break;
+		default: GB_PANIC("Invalid type"); break;
+		}
+	} break;
+
+	case BuiltinProc_conj: {
+		// conj :: proc(x: type) -> type
+		Operand *x = operand;
+		if (is_type_complex(x->type)) {
+			if (x->mode == Addressing_Constant) {
+				ExactValue v = exact_value_to_complex(x->value);
+				f64 r = v.value_complex.real;
+				f64 i = v.value_complex.imag;
+				x->value = exact_value_complex(r, i);
+				x->mode = Addressing_Constant;
+			} else {
+				x->mode = Addressing_Value;
+			}
+		} else if (is_type_quaternion(x->type)) {
+			if (x->mode == Addressing_Constant) {
+				ExactValue v = exact_value_to_quaternion(x->value);
+				f64 r = v.value_quaternion.real;
+				f64 i = v.value_quaternion.imag;
+				f64 j = v.value_quaternion.jmag;
+				f64 k = v.value_quaternion.kmag;
+				x->value = exact_value_quaternion(r, i, j, k);
+				x->mode = Addressing_Constant;
+			} else {
+				x->mode = Addressing_Value;
+			}
+		} else {
+			gbString s = type_to_string(x->type);
+			error_node(call, "Expected a complex or quaternion, got `%s`", s);
+			gb_string_free(s);
+			return false;
+		}
+
+	} break;
+
 	case BuiltinProc_slice_ptr: {
 		// slice_ptr :: proc(a: ^T, len: int) -> []T
 		// slice_ptr :: proc(a: ^T, len, cap: int) -> []T
@@ -3575,16 +3908,13 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 		Type *ptr_type = base_type(operand->type);
 		if (!is_type_pointer(ptr_type)) {
 			gbString type_str = type_to_string(operand->type);
-			error_node(call,
-			      "Expected a pointer to `slice_ptr`, got `%s`",
-			      type_str);
+			error_node(call, "Expected a pointer to `slice_ptr`, got `%s`", type_str);
 			gb_string_free(type_str);
 			return false;
 		}
 
 		if (ptr_type == t_rawptr) {
-			error_node(call,
-			      "`rawptr` cannot have pointer arithmetic");
+			error_node(call, "`rawptr` cannot have pointer arithmetic");
 			return false;
 		}
 
@@ -3629,11 +3959,11 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 	} break;
 
 	case BuiltinProc_min: {
-		// min :: proc(a, b: comparable) -> comparable
+		// min :: proc(a, b: ordered) -> ordered
 		Type *type = base_type(operand->type);
-		if (!is_type_comparable(type) || !(is_type_numeric(type) || is_type_string(type))) {
+		if (!is_type_ordered(type) || !(is_type_numeric(type) || is_type_string(type))) {
 			gbString type_str = type_to_string(operand->type);
-			error_node(call, "Expected a comparable numeric type to `min`, got `%s`", type_str);
+			error_node(call, "Expected a ordered numeric type to `min`, got `%s`", type_str);
 			gb_string_free(type_str);
 			return false;
 		}
@@ -3645,10 +3975,10 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 		if (b.mode == Addressing_Invalid) {
 			return false;
 		}
-		if (!is_type_comparable(b.type) || !(is_type_numeric(b.type) || is_type_string(b.type))) {
+		if (!is_type_ordered(b.type) || !(is_type_numeric(b.type) || is_type_string(b.type))) {
 			gbString type_str = type_to_string(b.type);
 			error_node(call,
-			      "Expected a comparable numeric type to `min`, got `%s`",
+			      "Expected a ordered numeric type to `min`, got `%s`",
 			      type_str);
 			gb_string_free(type_str);
 			return false;
@@ -3695,12 +4025,12 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 	} break;
 
 	case BuiltinProc_max: {
-		// min :: proc(a, b: comparable) -> comparable
+		// min :: proc(a, b: ordered) -> ordered
 		Type *type = base_type(operand->type);
-		if (!is_type_comparable(type) || !(is_type_numeric(type) || is_type_string(type))) {
+		if (!is_type_ordered(type) || !(is_type_numeric(type) || is_type_string(type))) {
 			gbString type_str = type_to_string(operand->type);
 			error_node(call,
-			      "Expected a comparable numeric or string type to `max`, got `%s`",
+			      "Expected a ordered numeric or string type to `max`, got `%s`",
 			      type_str);
 			gb_string_free(type_str);
 			return false;
@@ -3713,10 +4043,10 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 		if (b.mode == Addressing_Invalid) {
 			return false;
 		}
-		if (!is_type_comparable(b.type) || !(is_type_numeric(b.type) || is_type_string(b.type))) {
+		if (!is_type_ordered(b.type) || !(is_type_numeric(b.type) || is_type_string(b.type))) {
 			gbString type_str = type_to_string(b.type);
 			error_node(call,
-			      "Expected a comparable numeric or string type to `max`, got `%s`",
+			      "Expected a ordered numeric or string type to `max`, got `%s`",
 			      type_str);
 			gb_string_free(type_str);
 			return false;
@@ -3764,12 +4094,9 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 
 	case BuiltinProc_abs: {
 		// abs :: proc(n: numeric) -> numeric
-		Type *type = base_type(operand->type);
-		if (!is_type_numeric(type)) {
+		if (!is_type_numeric(operand->type) && !is_type_vector(operand->type)) {
 			gbString type_str = type_to_string(operand->type);
-			error_node(call,
-			      "Expected a numeric type to `abs`, got `%s`",
-			      type_str);
+			error_node(call, "Expected a numeric type to `abs`, got `%s`", type_str);
 			gb_string_free(type_str);
 			return false;
 		}
@@ -3782,6 +4109,18 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 			case ExactValue_Float:
 				operand->value.value_float = gb_abs(operand->value.value_float);
 				break;
+			case ExactValue_Complex: {
+				f64 r = operand->value.value_complex.real;
+				f64 i = operand->value.value_complex.imag;
+				operand->value = exact_value_float(gb_sqrt(r*r + i*i));
+			} break;
+			case ExactValue_Quaternion: {
+				f64 r = operand->value.value_complex.real;
+				f64 i = operand->value.value_complex.imag;
+				f64 j = operand->value.value_complex.imag;
+				f64 k = operand->value.value_complex.imag;
+				operand->value = exact_value_float(gb_sqrt(r*r + i*i + j*j + k*k));
+			} break;
 			default:
 				GB_PANIC("Invalid numeric constant");
 				break;
@@ -3790,17 +4129,20 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 			operand->mode = Addressing_Value;
 		}
 
-		operand->type = type;
+		if (is_type_complex(operand->type)) {
+			operand->type = base_complex_elem_type(operand->type);
+		} else if (is_type_quaternion(operand->type)) {
+			operand->type = base_quaternion_elem_type(operand->type);
+		}
+		GB_ASSERT(!is_type_complex(operand->type) && !is_type_quaternion(operand->type));
 	} break;
 
 	case BuiltinProc_clamp: {
-		// clamp :: proc(a, min, max: comparable) -> comparable
+		// clamp :: proc(a, min, max: ordered) -> ordered
 		Type *type = base_type(operand->type);
-		if (!is_type_comparable(type) || !(is_type_numeric(type) || is_type_string(type))) {
+		if (!is_type_ordered(type) || !(is_type_numeric(type) || is_type_string(type))) {
 			gbString type_str = type_to_string(operand->type);
-			error_node(call,
-			      "Expected a comparable numeric or string type to `clamp`, got `%s`",
-			      type_str);
+			error_node(call, "Expected a ordered numeric or string type to `clamp`, got `%s`", type_str);
 			gb_string_free(type_str);
 			return false;
 		}
@@ -3815,11 +4157,9 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 		if (y.mode == Addressing_Invalid) {
 			return false;
 		}
-		if (!is_type_comparable(y.type) || !(is_type_numeric(y.type) || is_type_string(y.type))) {
+		if (!is_type_ordered(y.type) || !(is_type_numeric(y.type) || is_type_string(y.type))) {
 			gbString type_str = type_to_string(y.type);
-			error_node(call,
-			      "Expected a comparable numeric or string type to `clamp`, got `%s`",
-			      type_str);
+			error_node(call, "Expected a ordered numeric or string type to `clamp`, got `%s`", type_str);
 			gb_string_free(type_str);
 			return false;
 		}
@@ -3828,11 +4168,9 @@ bool check_builtin_procedure(Checker *c, Operand *operand, AstNode *call, i32 id
 		if (z.mode == Addressing_Invalid) {
 			return false;
 		}
-		if (!is_type_comparable(z.type) || !(is_type_numeric(z.type) || is_type_string(z.type))) {
+		if (!is_type_ordered(z.type) || !(is_type_numeric(z.type) || is_type_string(z.type))) {
 			gbString type_str = type_to_string(z.type);
-			error_node(call,
-			      "Expected a comparable numeric or string type to `clamp`, got `%s`",
-			      type_str);
+			error_node(call, "Expected a ordered numeric or string type to `clamp`, got `%s`", type_str);
 			gb_string_free(type_str);
 			return false;
 		}
@@ -4407,6 +4745,16 @@ ExprKind check_expr_base_internal(Checker *c, Operand *o, AstNode *node, Type *t
 		case Token_Float:   t = t_untyped_float;   break;
 		case Token_String:  t = t_untyped_string;  break;
 		case Token_Rune:    t = t_untyped_rune;    break;
+		case Token_Imag: {
+			String s = bl->string;
+			Rune r = s.text[s.len-1];
+			switch (r) {
+			case 'i': t = t_untyped_complex; break;
+			case 'j': case 'k':
+				t = t_untyped_quaternion;
+				break;
+			}
+		} break;
 		default:            GB_PANIC("Unknown literal"); break;
 		}
 		o->mode  = Addressing_Constant;
diff --git a/src/checker.c b/src/checker.c
index e942916df..3a458d099 100644
--- a/src/checker.c
+++ b/src/checker.c
@@ -52,6 +52,14 @@ typedef enum BuiltinProcId {
 
 	BuiltinProc_swizzle,
 
+	BuiltinProc_complex,
+	BuiltinProc_quaternion,
+	BuiltinProc_real,
+	BuiltinProc_imag,
+	BuiltinProc_jmag,
+	BuiltinProc_kmag,
+	BuiltinProc_conj,
+
 	// BuiltinProc_ptr_offset,
 	// BuiltinProc_ptr_sub,
 	BuiltinProc_slice_ptr,
@@ -87,8 +95,8 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_Count] = {
 	{STR_LIT("type_info"),        1, false, Expr_Expr},
 	{STR_LIT("type_info_of_val"), 1, false, Expr_Expr},
 
-	{STR_LIT("compile_assert"),   1, false, Expr_Stmt},
-	{STR_LIT("assert"),           1, false, Expr_Stmt},
+	{STR_LIT("compile_assert"),   1, false, Expr_Expr},
+	{STR_LIT("assert"),           1, false, Expr_Expr},
 	{STR_LIT("panic"),            1, false, Expr_Stmt},
 
 	{STR_LIT("copy"),             2, false, Expr_Expr},
@@ -96,6 +104,14 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_Count] = {
 
 	{STR_LIT("swizzle"),          1, true,  Expr_Expr},
 
+	{STR_LIT("complex"),          2, false, Expr_Expr},
+	{STR_LIT("quaternion"),       4, false, Expr_Expr},
+	{STR_LIT("real"),             1, false, Expr_Expr},
+	{STR_LIT("imag"),             1, false, Expr_Expr},
+	{STR_LIT("jmag"),             1, false, Expr_Expr},
+	{STR_LIT("kmag"),             1, false, Expr_Expr},
+	{STR_LIT("conj"),             1, false, Expr_Expr},
+
 	// {STR_LIT("ptr_offset"),       2, false, Expr_Expr},
 	// {STR_LIT("ptr_sub"),          2, false, Expr_Expr},
 	{STR_LIT("slice_ptr"),        2, true,   Expr_Expr},
@@ -940,6 +956,24 @@ void add_type_info_type(Checker *c, Type *t) {
 			add_type_info_type(c, t_type_info_ptr);
 			add_type_info_type(c, t_rawptr);
 			break;
+
+		case Basic_complex64:
+			add_type_info_type(c, t_type_info_float);
+			add_type_info_type(c, t_f32);
+			break;
+		case Basic_complex128:
+			add_type_info_type(c, t_type_info_float);
+			add_type_info_type(c, t_f64);
+			break;
+
+		case Basic_quaternion128:
+			add_type_info_type(c, t_type_info_float);
+			add_type_info_type(c, t_f32);
+			break;
+		case Basic_quaternion256:
+			add_type_info_type(c, t_type_info_float);
+			add_type_info_type(c, t_f64);
+			break;
 		}
 	} break;
 
@@ -1128,31 +1162,35 @@ void init_preload(Checker *c) {
 
 
 
-		if (record->variant_count != 19) {
+		if (record->variant_count != 21) {
 			compiler_error("Invalid `Type_Info` layout");
 		}
 		t_type_info_named         = record->variants[ 1]->type;
 		t_type_info_integer       = record->variants[ 2]->type;
 		t_type_info_float         = record->variants[ 3]->type;
-		t_type_info_string        = record->variants[ 4]->type;
-		t_type_info_boolean       = record->variants[ 5]->type;
-		t_type_info_any           = record->variants[ 6]->type;
-		t_type_info_pointer       = record->variants[ 7]->type;
-		t_type_info_procedure     = record->variants[ 8]->type;
-		t_type_info_array         = record->variants[ 9]->type;
-		t_type_info_dynamic_array = record->variants[10]->type;
-		t_type_info_slice         = record->variants[11]->type;
-		t_type_info_vector        = record->variants[12]->type;
-		t_type_info_tuple         = record->variants[13]->type;
-		t_type_info_struct        = record->variants[14]->type;
-		t_type_info_raw_union     = record->variants[15]->type;
-		t_type_info_union         = record->variants[16]->type;
-		t_type_info_enum          = record->variants[17]->type;
-		t_type_info_map           = record->variants[18]->type;
+		t_type_info_complex       = record->variants[ 4]->type;
+		t_type_info_quaternion    = record->variants[ 5]->type;
+		t_type_info_string        = record->variants[ 6]->type;
+		t_type_info_boolean       = record->variants[ 7]->type;
+		t_type_info_any           = record->variants[ 8]->type;
+		t_type_info_pointer       = record->variants[ 9]->type;
+		t_type_info_procedure     = record->variants[10]->type;
+		t_type_info_array         = record->variants[11]->type;
+		t_type_info_dynamic_array = record->variants[12]->type;
+		t_type_info_slice         = record->variants[13]->type;
+		t_type_info_vector        = record->variants[14]->type;
+		t_type_info_tuple         = record->variants[15]->type;
+		t_type_info_struct        = record->variants[16]->type;
+		t_type_info_raw_union     = record->variants[17]->type;
+		t_type_info_union         = record->variants[18]->type;
+		t_type_info_enum          = record->variants[19]->type;
+		t_type_info_map           = record->variants[20]->type;
 
 		t_type_info_named_ptr         = make_type_pointer(c->allocator, t_type_info_named);
 		t_type_info_integer_ptr       = make_type_pointer(c->allocator, t_type_info_integer);
 		t_type_info_float_ptr         = make_type_pointer(c->allocator, t_type_info_float);
+		t_type_info_complex_ptr       = make_type_pointer(c->allocator, t_type_info_complex);
+		t_type_info_quaternion_ptr   = make_type_pointer(c->allocator, t_type_info_quaternion);
 		t_type_info_string_ptr        = make_type_pointer(c->allocator, t_type_info_string);
 		t_type_info_boolean_ptr       = make_type_pointer(c->allocator, t_type_info_boolean);
 		t_type_info_any_ptr           = make_type_pointer(c->allocator, t_type_info_any);
diff --git a/src/common.c b/src/common.c
index 2c40e22ed..fe07dc175 100644
--- a/src/common.c
+++ b/src/common.c
@@ -2,6 +2,8 @@
 #define GB_IMPLEMENTATION
 #include "gb/gb.h"
 
+#include <math.h>
+
 gbAllocator heap_allocator(void) {
 	return gb_heap_allocator();
 }
@@ -104,6 +106,10 @@ i16 f32_to_f16(f32 value) {
 	}
 }
 
+f64 gb_sqrt(f64 x) {
+	return sqrt(x);
+}
+
 
 
 #define for_array(index_, array_) for (isize index_ = 0; index_ < (array_).count; index_++)
diff --git a/src/exact_value.c b/src/exact_value.c
index 7e8e69f50..eec5d157a 100644
--- a/src/exact_value.c
+++ b/src/exact_value.c
@@ -5,6 +5,14 @@
 
 typedef struct AstNode AstNode;
 
+typedef struct Complex128 {
+	f64 real, imag;
+} Complex128;
+
+typedef struct Quaternion256 {
+	f64 real, imag, jmag, kmag;
+} Quaternion256;
+
 typedef enum ExactValueKind {
 	ExactValue_Invalid,
 
@@ -12,6 +20,8 @@ typedef enum ExactValueKind {
 	ExactValue_String,
 	ExactValue_Integer,
 	ExactValue_Float,
+	ExactValue_Complex,
+	ExactValue_Quaternion,
 	ExactValue_Pointer,
 	ExactValue_Compound, // TODO(bill): Is this good enough?
 
@@ -21,12 +31,14 @@ typedef enum ExactValueKind {
 typedef struct ExactValue {
 	ExactValueKind kind;
 	union {
-		bool     value_bool;
-		String   value_string;
-		i64      value_integer; // NOTE(bill): This must be an integer and not a pointer
-		f64      value_float;
-		i64      value_pointer;
-		AstNode *value_compound;
+		bool          value_bool;
+		String        value_string;
+		i64           value_integer; // NOTE(bill): This must be an integer and not a pointer
+		f64           value_float;
+		i64           value_pointer;
+		Complex128    value_complex;
+		Quaternion256 value_quaternion;
+		AstNode *     value_compound;
 	};
 } ExactValue;
 
@@ -66,6 +78,23 @@ ExactValue exact_value_float(f64 f) {
 	return result;
 }
 
+ExactValue exact_value_complex(f64 real, f64 imag) {
+	ExactValue result = {ExactValue_Complex};
+	result.value_complex.real = real;
+	result.value_complex.imag = imag;
+	return result;
+}
+
+ExactValue exact_value_quaternion(f64 real, f64 imag, f64 jmag, f64 kmag) {
+	ExactValue result = {ExactValue_Quaternion};
+	result.value_quaternion.real = real;
+	result.value_quaternion.imag = imag;
+	result.value_quaternion.jmag = jmag;
+	result.value_quaternion.kmag = kmag;
+	return result;
+}
+
+
 ExactValue exact_value_pointer(i64 ptr) {
 	ExactValue result = {ExactValue_Pointer};
 	result.value_pointer = ptr;
@@ -113,9 +142,7 @@ ExactValue exact_value_integer_from_string(String string) {
 	return exact_value_integer(result);
 }
 
-
-
-ExactValue exact_value_float_from_string(String string) {
+f64 float_from_string(String string) {
 	isize i = 0;
 	u8 *str = string.text;
 	isize len = string.len;
@@ -190,8 +217,11 @@ ExactValue exact_value_float_from_string(String string) {
 		while (exp >   0) { scale *= 10.0; exp -=  1; }
 	}
 
-	f64 result = sign * (frac ? (value / scale) : (value * scale));
-	return exact_value_float(result);
+	return sign * (frac ? (value / scale) : (value * scale));
+}
+
+ExactValue exact_value_float_from_string(String string) {
+	return exact_value_float(float_from_string(string));
 }
 
 
@@ -200,6 +230,18 @@ ExactValue exact_value_from_basic_literal(Token token) {
 	case Token_String:  return exact_value_string(token.string);
 	case Token_Integer: return exact_value_integer_from_string(token.string);
 	case Token_Float:   return exact_value_float_from_string(token.string);
+	case Token_Imag: {
+		String str = token.string;
+		Rune last_rune = cast(Rune)str.text[str.len-1];
+		str.len--; // Ignore the `i|j|k`
+		f64 imag = float_from_string(str);
+
+		switch (last_rune) {
+		case 'i': return exact_value_complex(0, imag);
+		case 'j': return exact_value_quaternion(0, 0, imag, 0);
+		case 'k': return exact_value_quaternion(0, 0, 0, imag);
+		}
+	}
 	case Token_Rune: {
 		Rune r = GB_RUNE_INVALID;
 		gb_utf8_decode(token.string.text, token.string.len, &r);
@@ -245,6 +287,128 @@ ExactValue exact_value_to_float(ExactValue v) {
 	return r;
 }
 
+ExactValue exact_value_to_complex(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+		return exact_value_complex(cast(i64)v.value_integer, 0);
+	case ExactValue_Float:
+		return exact_value_complex(v.value_float, 0);
+	case ExactValue_Complex:
+		return v;
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+
+
+ExactValue exact_value_to_quaternion(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+		return exact_value_quaternion(cast(i64)v.value_integer, 0, 0, 0);
+	case ExactValue_Float:
+		return exact_value_quaternion(v.value_float, 0, 0, 0);
+	case ExactValue_Complex:
+		return exact_value_quaternion(v.value_complex.real, v.value_complex.imag, 0, 0);
+	case ExactValue_Quaternion:
+		return v;
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+
+
+ExactValue exact_value_real(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+	case ExactValue_Float:
+		return v;
+	case ExactValue_Complex:
+		return exact_value_float(v.value_complex.real);
+	case ExactValue_Quaternion:
+		return exact_value_float(v.value_quaternion.real);
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+
+ExactValue exact_value_imag(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+	case ExactValue_Float:
+		return exact_value_integer(0);
+	case ExactValue_Complex:
+		return exact_value_float(v.value_complex.imag);
+	case ExactValue_Quaternion:
+		return exact_value_float(v.value_quaternion.imag);
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+
+ExactValue exact_value_jmag(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+	case ExactValue_Float:
+	case ExactValue_Complex:
+		return exact_value_integer(0);
+	case ExactValue_Quaternion:
+		return exact_value_float(v.value_quaternion.jmag);
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+ExactValue exact_value_kmag(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+	case ExactValue_Float:
+	case ExactValue_Complex:
+		return exact_value_integer(0);
+	case ExactValue_Quaternion:
+		return exact_value_float(v.value_quaternion.kmag);
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+
+
+ExactValue exact_value_make_imag(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+		return exact_value_complex(0, exact_value_to_float(v).value_float);
+	case ExactValue_Float:
+		return exact_value_complex(0, v.value_float);
+	default:
+		GB_PANIC("Expected an integer or float type for `exact_value_make_imag`");
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+ExactValue exact_value_make_jmag(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+		return exact_value_quaternion(0, 0, exact_value_to_float(v).value_float, 0);
+	case ExactValue_Float:
+		return exact_value_quaternion(0, 0, v.value_float, 0);
+	default:
+		GB_PANIC("Expected an integer or float type for `exact_value_make_jmag`");
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+ExactValue exact_value_make_kmag(ExactValue v) {
+	switch (v.kind) {
+	case ExactValue_Integer:
+		return exact_value_quaternion(0, 0, 0, exact_value_to_float(v).value_float);
+	case ExactValue_Float:
+		return exact_value_quaternion(0, 0, 0, v.value_float);
+	default:
+		GB_PANIC("Expected an integer or float type for `exact_value_make_kmag`");
+	}
+	ExactValue r = {ExactValue_Invalid};
+	return r;
+}
+
+
 
 ExactValue exact_unary_operator_value(TokenKind op, ExactValue v, i32 precision) {
 	switch (op) {
@@ -253,6 +417,8 @@ ExactValue exact_unary_operator_value(TokenKind op, ExactValue v, i32 precision)
 		case ExactValue_Invalid:
 		case ExactValue_Integer:
 		case ExactValue_Float:
+		case ExactValue_Complex:
+		case ExactValue_Quaternion:
 			return v;
 		}
 	} break;
@@ -271,6 +437,18 @@ ExactValue exact_unary_operator_value(TokenKind op, ExactValue v, i32 precision)
 			i.value_float = -i.value_float;
 			return i;
 		}
+		case ExactValue_Complex: {
+			f64 real = v.value_complex.real;
+			f64 imag = v.value_complex.imag;
+			return exact_value_complex(-real, -imag);
+		}
+		case ExactValue_Quaternion: {
+			f64 real = v.value_quaternion.real;
+			f64 imag = v.value_quaternion.imag;
+			f64 jmag = v.value_quaternion.jmag;
+			f64 kmag = v.value_quaternion.kmag;
+			return exact_value_quaternion(-real, -imag, -jmag, -kmag);
+		}
 		}
 	} break;
 
@@ -324,8 +502,12 @@ i32 exact_value_order(ExactValue v) {
 		return 2;
 	case ExactValue_Float:
 		return 3;
-	case ExactValue_Pointer:
+	case ExactValue_Complex:
 		return 4;
+	case ExactValue_Quaternion:
+		return 5;
+	case ExactValue_Pointer:
+		return 6;
 
 	default:
 		GB_PANIC("How'd you get here? Invalid Value.kind");
@@ -346,6 +528,8 @@ void match_exact_values(ExactValue *x, ExactValue *y) {
 
 	case ExactValue_Bool:
 	case ExactValue_String:
+	case ExactValue_Complex:
+	case ExactValue_Quaternion:
 		return;
 
 	case ExactValue_Integer:
@@ -356,16 +540,30 @@ void match_exact_values(ExactValue *x, ExactValue *y) {
 			// TODO(bill): Is this good enough?
 			*x = exact_value_float(cast(f64)x->value_integer);
 			return;
+		case ExactValue_Complex:
+			*x = exact_value_complex(cast(f64)x->value_integer, 0);
+			return;
+		case ExactValue_Quaternion:
+			*x = exact_value_quaternion(cast(f64)x->value_integer, 0, 0, 0);
+			return;
 		}
 		break;
 
 	case ExactValue_Float:
-		if (y->kind == ExactValue_Float)
+		switch (y->kind) {
+		case ExactValue_Float:
+			return;
+		case ExactValue_Complex:
+			*x = exact_value_to_complex(*x);
 			return;
+		case ExactValue_Quaternion:
+			*x = exact_value_to_quaternion(*x);
+			return;
+		}
 		break;
 	}
 
-	compiler_error("How'd you get here? Invalid ExactValueKind");
+	compiler_error("match_exact_values: How'd you get here? Invalid ExactValueKind %d", x->kind);
 }
 
 // TODO(bill): Allow for pointer arithmetic? Or are pointer slices good enough?
@@ -420,6 +618,84 @@ ExactValue exact_binary_operator_value(TokenKind op, ExactValue x, ExactValue y)
 		default: goto error;
 		}
 	} break;
+
+	case ExactValue_Complex: {
+		y = exact_value_to_complex(y);
+		f64 a = x.value_complex.real;
+		f64 b = x.value_complex.imag;
+		f64 c = y.value_complex.real;
+		f64 d = y.value_complex.imag;
+		f64 real = 0;
+		f64 imag = 0;
+		switch (op) {
+		case Token_Add:
+			real = a + c;
+			imag = b + d;
+			break;
+		case Token_Sub:
+			real = a - c;
+			imag = b - d;
+			break;
+		case Token_Mul:
+			real = (a*c - b*d);
+			imag = (b*c + a*d);
+			break;
+		case Token_Quo: {
+			f64 s = c*c + d*d;
+			real = (a*c + b*d)/s;
+			imag = (b*c - a*d)/s;
+		} break;
+		default: goto error;
+		}
+		return exact_value_complex(real, imag);
+	} break;
+
+	case ExactValue_Quaternion: {
+		y = exact_value_to_quaternion(y);
+		f64 a = x.value_quaternion.real;
+		f64 b = x.value_quaternion.imag;
+		f64 c = x.value_quaternion.jmag;
+		f64 d = x.value_quaternion.kmag;
+
+		f64 e = x.value_quaternion.real;
+		f64 f = x.value_quaternion.imag;
+		f64 g = x.value_quaternion.jmag;
+		f64 h = x.value_quaternion.kmag;
+
+		f64 real = 0;
+		f64 imag = 0;
+		f64 jmag = 0;
+		f64 kmag = 0;
+		switch (op) {
+		case Token_Add:
+			real = a + e;
+			imag = b + f;
+			jmag = c + g;
+			kmag = d + h;
+			break;
+		case Token_Sub:
+			real = a - e;
+			imag = b - f;
+			jmag = c - g;
+			kmag = d - h;
+			break;
+		case Token_Mul:
+			real = a*f + b*e + c*h - d*g;
+			imag = a*g - b*h + c*e + d*f;
+			jmag = a*h + b*g - c*f + d*e;
+			kmag = a*e - b*f - c*g - d*h;
+			break;
+		case Token_Quo: {
+			f64 s = e*e + f*f + g*g + h*h;
+			real = (+a*e + b*f + c*g + d*h)/s;
+			imag = (-a*f + b*e - c*h + d*h)/s;
+			jmag = (-a*g + b*h + c*e - d*f)/s;
+			kmag = (-a*h - b*g + c*f + d*e)/s;
+		} break;
+		default: goto error;
+		}
+		return exact_value_quaternion(real, imag, jmag, kmag);
+	} break;
 	}
 
 error:
@@ -480,6 +756,34 @@ bool compare_exact_values(TokenKind op, ExactValue x, ExactValue y) {
 		}
 	} break;
 
+	case ExactValue_Complex: {
+		f64 a = x.value_complex.real;
+		f64 b = x.value_complex.imag;
+		f64 c = y.value_complex.real;
+		f64 d = y.value_complex.imag;
+		switch (op) {
+		case Token_CmpEq: return cmp_f64(a, c) == 0 && cmp_f64(b, d) == 0;
+		case Token_NotEq: return cmp_f64(a, c) != 0 || cmp_f64(b, d) != 0;
+		}
+	} break;
+
+	case ExactValue_Quaternion: {
+		f64 a = x.value_quaternion.real;
+		f64 b = x.value_quaternion.imag;
+		f64 c = x.value_quaternion.jmag;
+		f64 d = x.value_quaternion.kmag;
+
+		f64 e = y.value_quaternion.real;
+		f64 f = y.value_quaternion.imag;
+		f64 g = y.value_quaternion.jmag;
+		f64 h = y.value_quaternion.kmag;
+
+		switch (op) {
+		case Token_CmpEq: return cmp_f64(a, e) == 0 && cmp_f64(b, f) == 0 && cmp_f64(c, g) == 0 && cmp_f64(d, h) == 0;
+		case Token_NotEq: return cmp_f64(a, e) != 0 || cmp_f64(b, f) != 0 || cmp_f64(c, g) != 0 || cmp_f64(d, h) != 0;
+		}
+	} break;
+
 	case ExactValue_String: {
 		String a = x.value_string;
 		String b = y.value_string;
diff --git a/src/ir.c b/src/ir.c
index fb638fb27..bfe4f3781 100644
--- a/src/ir.c
+++ b/src/ir.c
@@ -1351,6 +1351,7 @@ irValue *ir_emit_store(irProcedure *p, irValue *address, irValue *value) {
 	return ir_emit(p, ir_instr_store(p, address, value));
 }
 irValue *ir_emit_load(irProcedure *p, irValue *address) {
+	GB_ASSERT(address != NULL);
 	return ir_emit(p, ir_instr_load(p, address));
 }
 irValue *ir_emit_select(irProcedure *p, irValue *cond, irValue *t, irValue *f) {
@@ -1653,6 +1654,7 @@ irValue *ir_addr_load(irProcedure *proc, irAddr addr) {
 }
 
 irValue *ir_emit_array_epi(irProcedure *proc, irValue *s, i32 index);
+irValue *ir_emit_struct_ev(irProcedure *proc, irValue *s, i32 index);
 
 irValue *ir_emit_ptr_offset(irProcedure *proc, irValue *ptr, irValue *offset) {
 	offset = ir_emit_conv(proc, offset, t_int);
@@ -1716,6 +1718,180 @@ irValue *ir_emit_arith(irProcedure *proc, TokenKind op, irValue *left, irValue *
 		return ir_emit_load(proc, res);
 	}
 
+	if (is_type_complex(t_left)) {
+		ir_emit_comment(proc, str_lit("complex.arith.begin"));
+		Type *ft = base_complex_elem_type(t_left);
+
+		irValue *res = ir_add_local_generated(proc, type);
+		irValue *a = ir_emit_struct_ev(proc, left,  0);
+		irValue *b = ir_emit_struct_ev(proc, left,  1);
+		irValue *c = ir_emit_struct_ev(proc, right, 0);
+		irValue *d = ir_emit_struct_ev(proc, right, 1);
+
+		irValue *real = NULL;
+		irValue *imag = NULL;
+
+		switch (op) {
+		case Token_Add:
+			real = ir_emit_arith(proc, Token_Add, a, c, ft);
+			imag = ir_emit_arith(proc, Token_Add, b, d, ft);
+			break;
+		case Token_Sub:
+			real = ir_emit_arith(proc, Token_Sub, a, c, ft);
+			imag = ir_emit_arith(proc, Token_Sub, b, d, ft);
+			break;
+		case Token_Mul: {
+			irValue *x = ir_emit_arith(proc, Token_Mul, a, c, ft);
+			irValue *y = ir_emit_arith(proc, Token_Mul, b, d, ft);
+			real = ir_emit_arith(proc, Token_Sub, x, y, ft);
+			irValue *z = ir_emit_arith(proc, Token_Mul, b, c, ft);
+			irValue *w = ir_emit_arith(proc, Token_Mul, a, d, ft);
+			imag = ir_emit_arith(proc, Token_Add, z, w, ft);
+		} break;
+		case Token_Quo: {
+			irValue *s1 = ir_emit_arith(proc, Token_Mul, c, c, ft);
+			irValue *s2 = ir_emit_arith(proc, Token_Mul, d, d, ft);
+			irValue *s  = ir_emit_arith(proc, Token_Add, s1, s2, ft);
+
+			irValue *x = ir_emit_arith(proc, Token_Mul, a, c, ft);
+			irValue *y = ir_emit_arith(proc, Token_Mul, b, d, ft);
+			real = ir_emit_arith(proc, Token_Add, x, y, ft);
+			real = ir_emit_arith(proc, Token_Quo, real, s, ft);
+
+			irValue *z = ir_emit_arith(proc, Token_Mul, b, c, ft);
+			irValue *w = ir_emit_arith(proc, Token_Mul, a, d, ft);
+			imag = ir_emit_arith(proc, Token_Sub, z, w, ft);
+			imag = ir_emit_arith(proc, Token_Quo, imag, s, ft);
+		} break;
+		}
+
+		ir_emit_store(proc, ir_emit_struct_ep(proc, res, 0), real);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, res, 1), imag);
+
+		ir_emit_comment(proc, str_lit("complex.end.begin"));
+		return ir_emit_load(proc, res);
+	} else if (is_type_quaternion(t_left)) {
+		ir_emit_comment(proc, str_lit("quaternion.arith.begin"));
+		Type *ft = base_quaternion_elem_type(t_left);
+
+		irValue *res = ir_add_local_generated(proc, type);
+		irValue *a = ir_emit_struct_ev(proc, left,  0);
+		irValue *b = ir_emit_struct_ev(proc, left,  1);
+		irValue *c = ir_emit_struct_ev(proc, left,  2);
+		irValue *d = ir_emit_struct_ev(proc, left,  3);
+
+		irValue *e = ir_emit_struct_ev(proc, right, 0);
+		irValue *f = ir_emit_struct_ev(proc, right, 1);
+		irValue *g = ir_emit_struct_ev(proc, right, 2);
+		irValue *h = ir_emit_struct_ev(proc, right, 3);
+
+		irValue *real = NULL;
+		irValue *imag = NULL;
+		irValue *jmag = NULL;
+		irValue *kmag = NULL;
+
+		switch (op) {
+		case Token_Add:
+			real = ir_emit_arith(proc, Token_Add, a, e, ft);
+			imag = ir_emit_arith(proc, Token_Add, b, f, ft);
+			jmag = ir_emit_arith(proc, Token_Add, c, g, ft);
+			kmag = ir_emit_arith(proc, Token_Add, d, h, ft);
+			break;
+		case Token_Sub:
+			real = ir_emit_arith(proc, Token_Sub, a, e, ft);
+			imag = ir_emit_arith(proc, Token_Sub, b, f, ft);
+			jmag = ir_emit_arith(proc, Token_Sub, c, g, ft);
+			kmag = ir_emit_arith(proc, Token_Sub, d, h, ft);
+			break;
+		case Token_Mul: {
+			irValue *r0 = ir_emit_arith(proc, Token_Mul, a, e, ft);
+			irValue *r1 = ir_emit_arith(proc, Token_Mul, b, f, ft);
+			irValue *r2 = ir_emit_arith(proc, Token_Mul, c, h, ft);
+			irValue *r3 = ir_emit_arith(proc, Token_Mul, d, g, ft);
+			real = ir_emit_arith(proc, Token_Add, r0, r1, ft);
+			real = ir_emit_arith(proc, Token_Add, real, r2, ft);
+			real = ir_emit_arith(proc, Token_Add, real, r3, ft);
+
+			irValue *i0 = ir_emit_arith(proc, Token_Mul, a, g, ft);
+			irValue *i1 = ir_emit_arith(proc, Token_Mul, b, h, ft);
+			irValue *i2 = ir_emit_arith(proc, Token_Mul, c, e, ft);
+			irValue *i3 = ir_emit_arith(proc, Token_Mul, d, f, ft);
+			imag = ir_emit_arith(proc, Token_Sub, i0, i1, ft);
+			imag = ir_emit_arith(proc, Token_Add, imag, i2, ft);
+			imag = ir_emit_arith(proc, Token_Add, imag, i3, ft);
+
+			irValue *j0 = ir_emit_arith(proc, Token_Mul, a, h, ft);
+			irValue *j1 = ir_emit_arith(proc, Token_Mul, b, g, ft);
+			irValue *j2 = ir_emit_arith(proc, Token_Mul, c, f, ft);
+			irValue *j3 = ir_emit_arith(proc, Token_Mul, d, e, ft);
+			jmag = ir_emit_arith(proc, Token_Add, j0, j1, ft);
+			jmag = ir_emit_arith(proc, Token_Sub, imag, j2, ft);
+			jmag = ir_emit_arith(proc, Token_Sub, imag, j3, ft);
+
+			irValue *k0 = ir_emit_arith(proc, Token_Mul, a, e, ft);
+			irValue *k1 = ir_emit_arith(proc, Token_Mul, b, f, ft);
+			irValue *k2 = ir_emit_arith(proc, Token_Mul, c, g, ft);
+			irValue *k3 = ir_emit_arith(proc, Token_Mul, d, h, ft);
+			kmag = ir_emit_arith(proc, Token_Sub, j0, j1, ft);
+			kmag = ir_emit_arith(proc, Token_Sub, imag, j2, ft);
+			kmag = ir_emit_arith(proc, Token_Sub, imag, j3, ft);
+		} break;
+		case Token_Quo: {
+			irValue *s0 = ir_emit_arith(proc, Token_Mul, e, e, ft);
+			irValue *s1 = ir_emit_arith(proc, Token_Mul, f, f, ft);
+			irValue *s2 = ir_emit_arith(proc, Token_Mul, g, g, ft);
+			irValue *s3 = ir_emit_arith(proc, Token_Mul, h, h, ft);
+			irValue *s = ir_emit_arith(proc, Token_Add, s0, s1, ft);
+			s = ir_emit_arith(proc, Token_Add, s, s2, ft);
+			s = ir_emit_arith(proc, Token_Add, s, s3, ft);
+
+			irValue *r0 = ir_emit_arith(proc, Token_Mul, a, e, ft);
+			irValue *r1 = ir_emit_arith(proc, Token_Mul, b, f, ft);
+			irValue *r2 = ir_emit_arith(proc, Token_Mul, c, h, ft);
+			irValue *r3 = ir_emit_arith(proc, Token_Mul, d, g, ft);
+			real = ir_emit_arith(proc, Token_Add, r0, r1, ft);
+			real = ir_emit_arith(proc, Token_Add, real, r2, ft);
+			real = ir_emit_arith(proc, Token_Add, real, r3, ft);
+			real = ir_emit_arith(proc, Token_Quo, real, s, ft);
+
+			irValue *i0 = ir_emit_arith(proc, Token_Mul, a, f, ft);
+			irValue *i1 = ir_emit_arith(proc, Token_Mul, b, e, ft);
+			irValue *i2 = ir_emit_arith(proc, Token_Mul, c, h, ft);
+			irValue *i3 = ir_emit_arith(proc, Token_Mul, d, g, ft);
+			imag = ir_emit_arith(proc, Token_Sub, i1, i0, ft);
+			imag = ir_emit_arith(proc, Token_Sub, imag, i2, ft);
+			imag = ir_emit_arith(proc, Token_Add, imag, i3, ft);
+			imag = ir_emit_arith(proc, Token_Quo, imag, s, ft);
+
+			irValue *j0 = ir_emit_arith(proc, Token_Mul, a, g, ft);
+			irValue *j1 = ir_emit_arith(proc, Token_Mul, b, h, ft);
+			irValue *j2 = ir_emit_arith(proc, Token_Mul, c, e, ft);
+			irValue *j3 = ir_emit_arith(proc, Token_Mul, d, f, ft);
+			jmag = ir_emit_arith(proc, Token_Sub, j1, j0, ft);
+			jmag = ir_emit_arith(proc, Token_Add, imag, j2, ft);
+			jmag = ir_emit_arith(proc, Token_Sub, imag, j3, ft);
+			jmag = ir_emit_arith(proc, Token_Quo, jmag, s, ft);
+
+			irValue *k0 = ir_emit_arith(proc, Token_Mul, a, h, ft);
+			irValue *k1 = ir_emit_arith(proc, Token_Mul, b, g, ft);
+			irValue *k2 = ir_emit_arith(proc, Token_Mul, c, f, ft);
+			irValue *k3 = ir_emit_arith(proc, Token_Mul, d, e, ft);
+			kmag = ir_emit_arith(proc, Token_Add, k2, k3, ft);
+			kmag = ir_emit_arith(proc, Token_Sub, imag, k0, ft);
+			kmag = ir_emit_arith(proc, Token_Sub, imag, k1, ft);
+			kmag = ir_emit_arith(proc, Token_Quo, kmag, s, ft);
+		} break;
+		}
+
+		ir_emit_store(proc, ir_emit_struct_ep(proc, res, 0), real);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, res, 1), imag);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, res, 2), jmag);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, res, 3), kmag);
+
+		ir_emit_comment(proc, str_lit("quaternion.end.begin"));
+		return ir_emit_load(proc, res);
+	}
+
 
 	if (op == Token_Add) {
 		if (is_type_pointer(t_left)) {
@@ -1890,6 +2066,20 @@ irValue *ir_emit_struct_ep(irProcedure *proc, irValue *s, i32 index) {
 		GB_ASSERT(t->Tuple.variable_count > 0);
 		GB_ASSERT(gb_is_between(index, 0, t->Tuple.variable_count-1));
 		result_type = make_type_pointer(a, t->Tuple.variables[index]->type);
+	} else if (is_type_complex(t)) {
+		Type *ft = base_complex_elem_type(t);
+		switch (index) {
+		case 0: result_type = make_type_pointer(a, ft); break;
+		case 1: result_type = make_type_pointer(a, ft); break;
+		}
+	} else if (is_type_quaternion(t)) {
+		Type *ft = base_quaternion_elem_type(t);
+		switch (index) {
+		case 0: result_type = make_type_pointer(a, ft); break;
+		case 1: result_type = make_type_pointer(a, ft); break;
+		case 2: result_type = make_type_pointer(a, ft); break;
+		case 3: result_type = make_type_pointer(a, ft); break;
+		}
 	} else if (is_type_slice(t)) {
 		switch (index) {
 		case 0: result_type = make_type_pointer(a, make_type_pointer(a, t->Slice.elem)); break;
@@ -1956,6 +2146,20 @@ irValue *ir_emit_struct_ev(irProcedure *proc, irValue *s, i32 index) {
 		GB_ASSERT(t->Tuple.variable_count > 0);
 		GB_ASSERT(gb_is_between(index, 0, t->Tuple.variable_count-1));
 		result_type = t->Tuple.variables[index]->type;
+	} else if (is_type_complex(t)) {
+		Type *ft = base_complex_elem_type(t);
+		switch (index) {
+		case 0: result_type = ft; break;
+		case 1: result_type = ft; break;
+		}
+	} else if (is_type_quaternion(t)) {
+		Type *ft = base_quaternion_elem_type(t);
+		switch (index) {
+		case 0: result_type = ft; break;
+		case 1: result_type = ft; break;
+		case 2: result_type = ft; break;
+		case 3: result_type = ft; break;
+		}
 	} else if (is_type_slice(t)) {
 		switch (index) {
 		case 0: result_type = make_type_pointer(a, t->Slice.elem); break;
@@ -2285,6 +2489,10 @@ irValue *ir_emit_conv(irProcedure *proc, irValue *value, Type *t) {
 			ExactValue ev = value->Constant.value;
 			if (is_type_float(dst)) {
 				ev = exact_value_to_float(ev);
+			} else if (is_type_complex(dst)) {
+				ev = exact_value_to_complex(ev);
+			} else if (is_type_quaternion(dst)) {
+				ev = exact_value_to_quaternion(ev);
 			} else if (is_type_string(dst)) {
 				// Handled elsewhere
 				GB_ASSERT(ev.kind == ExactValue_String);
@@ -2350,6 +2558,30 @@ irValue *ir_emit_conv(irProcedure *proc, irValue *value, Type *t) {
 		return ir_emit(proc, ir_instr_conv(proc, kind, value, src, dst));
 	}
 
+	if (is_type_complex(src) && is_type_complex(dst)) {
+		Type *ft = base_complex_elem_type(dst);
+		irValue *gen = ir_add_local_generated(proc, dst);
+		irValue *real = ir_emit_conv(proc, ir_emit_struct_ev(proc, value, 0), ft);
+		irValue *imag = ir_emit_conv(proc, ir_emit_struct_ev(proc, value, 1), ft);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, gen, 0), real);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, gen, 1), imag);
+		return ir_emit_load(proc, gen);
+	}
+
+	if (is_type_quaternion(src) && is_type_quaternion(dst)) {
+		Type *ft = base_quaternion_elem_type(dst);
+		irValue *gen = ir_add_local_generated(proc, dst);
+		irValue *real = ir_emit_conv(proc, ir_emit_struct_ev(proc, value, 0), ft);
+		irValue *imag = ir_emit_conv(proc, ir_emit_struct_ev(proc, value, 1), ft);
+		irValue *jmag = ir_emit_conv(proc, ir_emit_struct_ev(proc, value, 2), ft);
+		irValue *kmag = ir_emit_conv(proc, ir_emit_struct_ev(proc, value, 3), ft);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, gen, 0), real);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, gen, 1), imag);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, gen, 2), jmag);
+		ir_emit_store(proc, ir_emit_struct_ep(proc, gen, 3), kmag);
+		return ir_emit_load(proc, gen);
+	}
+
 	// float <-> integer
 	if (is_type_float(src) && is_type_integer(dst)) {
 		irConvKind kind = irConv_fptosi;
@@ -3704,6 +3936,96 @@ irValue *ir_build_expr(irProcedure *proc, AstNode *expr) {
 					// return ir_emit(proc, ir_instr_vector_shuffle(proc, vector, indices, index_count));
 				} break;
 
+				case BuiltinProc_complex: {
+					ir_emit_comment(proc, str_lit("complex"));
+					irValue *real = ir_build_expr(proc, ce->args.e[0]);
+					irValue *imag = ir_build_expr(proc, ce->args.e[1]);
+					irValue *dst = ir_add_local_generated(proc, tv->type);
+
+					Type *ft = base_complex_elem_type(tv->type);
+					real = ir_emit_conv(proc, real, ft);
+					imag = ir_emit_conv(proc, imag, ft);
+					ir_emit_store(proc, ir_emit_struct_ep(proc, dst, 0), real);
+					ir_emit_store(proc, ir_emit_struct_ep(proc, dst, 1), imag);
+
+					return ir_emit_load(proc, dst);
+				} break;
+
+				case BuiltinProc_quaternion: {
+					ir_emit_comment(proc, str_lit("quaternion"));
+					irValue *real = ir_build_expr(proc, ce->args.e[0]);
+					irValue *imag = ir_build_expr(proc, ce->args.e[1]);
+					irValue *jmag = ir_build_expr(proc, ce->args.e[2]);
+					irValue *kmag = ir_build_expr(proc, ce->args.e[3]);
+					irValue *dst = ir_add_local_generated(proc, tv->type);
+
+					Type *ft = base_complex_elem_type(tv->type);
+					real = ir_emit_conv(proc, real, ft);
+					imag = ir_emit_conv(proc, imag, ft);
+					jmag = ir_emit_conv(proc, jmag, ft);
+					kmag = ir_emit_conv(proc, kmag, ft);
+					ir_emit_store(proc, ir_emit_struct_ep(proc, dst, 0), real);
+					ir_emit_store(proc, ir_emit_struct_ep(proc, dst, 1), imag);
+					ir_emit_store(proc, ir_emit_struct_ep(proc, dst, 2), jmag);
+					ir_emit_store(proc, ir_emit_struct_ep(proc, dst, 3), kmag);
+
+					return ir_emit_load(proc, dst);
+				} break;
+
+				case BuiltinProc_real: {
+					ir_emit_comment(proc, str_lit("real"));
+					irValue *val = ir_build_expr(proc, ce->args.e[0]);
+					irValue *real = ir_emit_struct_ev(proc, val, 0);
+					return ir_emit_conv(proc, real, tv->type);
+				} break;
+				case BuiltinProc_imag: {
+					ir_emit_comment(proc, str_lit("imag"));
+					irValue *val = ir_build_expr(proc, ce->args.e[0]);
+					irValue *imag = ir_emit_struct_ev(proc, val, 1);
+					return ir_emit_conv(proc, imag, tv->type);
+				} break;
+				case BuiltinProc_jmag: {
+					ir_emit_comment(proc, str_lit("jmag"));
+					irValue *val = ir_build_expr(proc, ce->args.e[0]);
+					irValue *jmag = ir_emit_struct_ev(proc, val, 2);
+					return ir_emit_conv(proc, jmag, tv->type);
+				} break;
+				case BuiltinProc_kmag: {
+					ir_emit_comment(proc, str_lit("kmag"));
+					irValue *val = ir_build_expr(proc, ce->args.e[0]);
+					irValue *kmag = ir_emit_struct_ev(proc, val, 3);
+					return ir_emit_conv(proc, kmag, tv->type);
+				} break;
+
+				case BuiltinProc_conj: {
+					ir_emit_comment(proc, str_lit("conj"));
+					irValue *val = ir_build_expr(proc, ce->args.e[0]);
+					irValue *res = NULL;
+					Type *t = ir_type(val);
+					if (is_type_complex(t)) {
+						res = ir_add_local_generated(proc, tv->type);
+						irValue *real = ir_emit_struct_ev(proc, val, 0);
+						irValue *imag = ir_emit_struct_ev(proc, val, 1);
+						imag = ir_emit_unary_arith(proc, Token_Sub, imag, ir_type(imag));
+						ir_emit_store(proc, ir_emit_struct_ep(proc, res, 0), real);
+						ir_emit_store(proc, ir_emit_struct_ep(proc, res, 1), imag);
+					} else if (is_type_quaternion(t)) {
+						res = ir_add_local_generated(proc, tv->type);
+						irValue *real = ir_emit_struct_ev(proc, val, 0);
+						irValue *imag = ir_emit_struct_ev(proc, val, 1);
+						irValue *jmag = ir_emit_struct_ev(proc, val, 2);
+						irValue *kmag = ir_emit_struct_ev(proc, val, 3);
+						imag = ir_emit_unary_arith(proc, Token_Sub, imag, ir_type(imag));
+						jmag = ir_emit_unary_arith(proc, Token_Sub, jmag, ir_type(jmag));
+						kmag = ir_emit_unary_arith(proc, Token_Sub, kmag, ir_type(kmag));
+						ir_emit_store(proc, ir_emit_struct_ep(proc, res, 0), real);
+						ir_emit_store(proc, ir_emit_struct_ep(proc, res, 1), imag);
+						ir_emit_store(proc, ir_emit_struct_ep(proc, res, 2), jmag);
+						ir_emit_store(proc, ir_emit_struct_ep(proc, res, 3), kmag);
+					}
+					return ir_emit_load(proc, res);
+				} break;
+
 				case BuiltinProc_slice_ptr: {
 					ir_emit_comment(proc, str_lit("slice_ptr"));
 					irValue *ptr = ir_build_expr(proc, ce->args.e[0]);
@@ -3760,6 +4082,27 @@ irValue *ir_build_expr(irProcedure *proc, AstNode *expr) {
 					ir_emit_comment(proc, str_lit("abs"));
 					irValue *x = ir_build_expr(proc, ce->args.e[0]);
 					Type *t = ir_type(x);
+					if (is_type_complex(t)) {
+						gbAllocator a = proc->module->allocator;
+						i64 sz = 8*type_size_of(a, t);
+						irValue **args = gb_alloc_array(a, irValue *, 1);
+						args[0] = x;
+						switch (sz) {
+						case 64:  return ir_emit_global_call(proc, "__abs_complex64",  args, 1);
+						case 128: return ir_emit_global_call(proc, "__abs_complex128", args, 1);
+						}
+						GB_PANIC("Unknown complex type");
+					} else if (is_type_quaternion(t)) {
+						gbAllocator a = proc->module->allocator;
+						i64 sz = 8*type_size_of(a, t);
+						irValue **args = gb_alloc_array(a, irValue *, 1);
+						args[0] = x;
+						switch (sz) {
+						case 128: return ir_emit_global_call(proc, "__abs_quaternion128", args, 1);
+						case 256: return ir_emit_global_call(proc, "__abs_quaternion256", args, 1);
+						}
+						GB_PANIC("Unknown quaternion type");
+					}
 					irValue *zero = ir_emit_conv(proc, v_zero, t);
 					irValue *cond = ir_emit_comp(proc, Token_Lt, x, zero);
 					irValue *neg = ir_emit(proc, ir_instr_unary_op(proc, Token_Sub, x, t));
@@ -6528,8 +6871,6 @@ void ir_gen_tree(irGen *s) {
 					case Basic_u32:
 					case Basic_i64:
 					case Basic_u64:
-					// case Basic_i128:
-					// case Basic_u128:
 					case Basic_int:
 					case Basic_uint: {
 						tag = ir_emit_conv(proc, ti_ptr, t_type_info_integer_ptr);
@@ -6540,16 +6881,27 @@ void ir_gen_tree(irGen *s) {
 						ir_emit_store(proc, ir_emit_struct_ep(proc, tag, 1), is_signed);
 					} break;
 
-					// case Basic_f16:
 					case Basic_f32:
-					case Basic_f64:
-					// case Basic_f128:
-					{
+					case Basic_f64: {
 						tag = ir_emit_conv(proc, ti_ptr, t_type_info_float_ptr);
 						irValue *bits = ir_const_int(a, type_size_of(a, t));
 						ir_emit_store(proc, ir_emit_struct_ep(proc, tag, 0), bits);
 					} break;
 
+					case Basic_complex64:
+					case Basic_complex128: {
+						tag = ir_emit_conv(proc, ti_ptr, t_type_info_complex_ptr);
+						irValue *bits = ir_const_int(a, type_size_of(a, t));
+						ir_emit_store(proc, ir_emit_struct_ep(proc, tag, 0), bits);
+					} break;
+
+					case Basic_quaternion128:
+					case Basic_quaternion256: {
+						tag = ir_emit_conv(proc, ti_ptr, t_type_info_quaternion_ptr);
+						irValue *bits = ir_const_int(a, type_size_of(a, t));
+						ir_emit_store(proc, ir_emit_struct_ep(proc, tag, 0), bits);
+					} break;
+
 					case Basic_rawptr:
 						tag = ir_emit_conv(proc, ti_ptr, t_type_info_pointer_ptr);
 						break;
diff --git a/src/ir_print.c b/src/ir_print.c
index beae020db..ab5926bd0 100644
--- a/src/ir_print.c
+++ b/src/ir_print.c
@@ -145,26 +145,30 @@ void ir_print_type(irFileBuffer *f, irModule *m, Type *t) {
 	switch (t->kind) {
 	case Type_Basic:
 		switch (t->Basic.kind) {
-		case Basic_bool:   ir_fprintf(f, "i1");                      return;
-		case Basic_i8:     ir_fprintf(f, "i8");                      return;
-		case Basic_u8:     ir_fprintf(f, "i8");                      return;
-		case Basic_i16:    ir_fprintf(f, "i16");                     return;
-		case Basic_u16:    ir_fprintf(f, "i16");                     return;
-		case Basic_i32:    ir_fprintf(f, "i32");                     return;
-		case Basic_u32:    ir_fprintf(f, "i32");                     return;
-		case Basic_i64:    ir_fprintf(f, "i64");                     return;
-		case Basic_u64:    ir_fprintf(f, "i64");                     return;
-		// case Basic_i128:   ir_fprintf(f, "i128");                    return;
-		// case Basic_u128:   ir_fprintf(f, "i128");                    return;
-		// case Basic_f16:    ir_fprintf(f, "half");                    return;
-		case Basic_f32:    ir_fprintf(f, "float");                   return;
-		case Basic_f64:    ir_fprintf(f, "double");                  return;
-		// case Basic_f128:   ir_fprintf(f, "fp128");                   return;
-		case Basic_rawptr: ir_fprintf(f, "%%..rawptr");              return;
-		case Basic_string: ir_fprintf(f, "%%..string");              return;
-		case Basic_uint:   ir_fprintf(f, "i%lld", word_bits);        return;
-		case Basic_int:    ir_fprintf(f, "i%lld", word_bits);        return;
-		case Basic_any:    ir_fprintf(f, "%%..any");                 return;
+		case Basic_bool:   ir_fprintf(f, "i1");                       return;
+		case Basic_i8:     ir_fprintf(f, "i8");                       return;
+		case Basic_u8:     ir_fprintf(f, "i8");                       return;
+		case Basic_i16:    ir_fprintf(f, "i16");                      return;
+		case Basic_u16:    ir_fprintf(f, "i16");                      return;
+		case Basic_i32:    ir_fprintf(f, "i32");                      return;
+		case Basic_u32:    ir_fprintf(f, "i32");                      return;
+		case Basic_i64:    ir_fprintf(f, "i64");                      return;
+		case Basic_u64:    ir_fprintf(f, "i64");                      return;
+
+		case Basic_f32:    ir_fprintf(f, "float");                    return;
+		case Basic_f64:    ir_fprintf(f, "double");                   return;
+
+		case Basic_complex64:  ir_fprintf(f, "%%..complex64");        return;
+		case Basic_complex128: ir_fprintf(f, "%%..complex128");       return;
+
+		case Basic_quaternion128: ir_fprintf(f, "%%..quaternion128"); return;
+		case Basic_quaternion256: ir_fprintf(f, "%%..quaternion256"); return;
+
+		case Basic_rawptr: ir_fprintf(f, "%%..rawptr");               return;
+		case Basic_string: ir_fprintf(f, "%%..string");               return;
+		case Basic_uint:   ir_fprintf(f, "i%lld", word_bits);         return;
+		case Basic_int:    ir_fprintf(f, "i%lld", word_bits);         return;
+		case Basic_any:    ir_fprintf(f, "%%..any");                  return;
 		}
 		break;
 	case Type_Pointer:
@@ -365,7 +369,7 @@ void ir_print_exact_value(irFileBuffer *f, irModule *m, ExactValue value, Type *
 	} break;
 	case ExactValue_Float: {
 		GB_ASSERT_MSG(is_type_float(type), "%s", type_to_string(type));
-		type = base_type(type);
+		type = core_type(type);
 		u64 u = *cast(u64*)&value.value_float;
 		switch (type->Basic.kind) {
 		case Basic_f32:
@@ -382,28 +386,52 @@ void ir_print_exact_value(irFileBuffer *f, irModule *m, ExactValue value, Type *
 
 		switch (type->Basic.kind) {
 		case 0: break;
-#if 0
-		case Basic_f16:
-			ir_fprintf(f, "bitcast (");
-			ir_print_type(f, m, t_u16);
-			ir_fprintf(f, " %u to ", cast(u16)f32_to_f16(cast(f32)value.value_float));
-			ir_print_type(f, m, t_f16);
-			ir_fprintf(f, ")");
-			break;
-		case Basic_f128:
-			ir_fprintf(f, "bitcast (");
-			ir_fprintf(f, "i128");
-			// TODO(bill): Actually support f128
-			ir_fprintf(f, " %llu to ", u);
-			ir_print_type(f, m, t_f128);
-			ir_fprintf(f, ")");
-			break;
-#endif
 		default:
 			ir_fprintf(f, "0x%016llx", u);
 			break;
 		}
 	} break;
+
+	case ExactValue_Complex: {
+		type = core_type(type);
+		if (is_type_quaternion(type)) {
+			Type *ft = base_quaternion_elem_type(type);
+			ir_fprintf(f, " {"); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+			ir_print_exact_value(f, m, exact_value_float(value.value_complex.real), ft);
+			ir_fprintf(f, ", "); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+			ir_print_exact_value(f, m, exact_value_float(value.value_complex.imag), ft);
+			ir_fprintf(f, ", "); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+			ir_print_exact_value(f, m, exact_value_float(0), ft);
+			ir_fprintf(f, ", "); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+			ir_print_exact_value(f, m, exact_value_float(0), ft);
+			ir_fprintf(f, "}");
+
+		} else {
+			GB_ASSERT_MSG(is_type_complex(type), "%s", type_to_string(type));
+			Type *ft = base_complex_elem_type(type);
+			ir_fprintf(f, " {"); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+			ir_print_exact_value(f, m, exact_value_float(value.value_complex.real), ft);
+			ir_fprintf(f, ", "); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+			ir_print_exact_value(f, m, exact_value_float(value.value_complex.imag), ft);
+			ir_fprintf(f, "}");
+		}
+	} break;
+
+	case ExactValue_Quaternion: {
+		GB_ASSERT_MSG(is_type_quaternion(type), "%s", type_to_string(type));
+		type = core_type(type);
+		Type *ft = base_quaternion_elem_type(type);
+		ir_fprintf(f, " {"); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+		ir_print_exact_value(f, m, exact_value_float(value.value_quaternion.real), ft);
+		ir_fprintf(f, ", "); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+		ir_print_exact_value(f, m, exact_value_float(value.value_quaternion.imag), ft);
+		ir_fprintf(f, ", "); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+		ir_print_exact_value(f, m, exact_value_float(value.value_quaternion.jmag), ft);
+		ir_fprintf(f, ", "); ir_print_type(f, m, ft); ir_fprintf(f, " ");
+		ir_print_exact_value(f, m, exact_value_float(value.value_quaternion.kmag), ft);
+		ir_fprintf(f, "}");
+	} break;
+
 	case ExactValue_Pointer:
 		if (value.value_pointer == 0) {
 			ir_fprintf(f, "null");
@@ -1007,6 +1035,72 @@ void ir_print_instr(irFileBuffer *f, irModule *m, irValue *value) {
 				case Token_LtEq:  ir_fprintf(f, "ole"); break;
 				case Token_GtEq:  ir_fprintf(f, "oge"); break;
 				}
+			} else if (is_type_complex(elem_type)) {
+				ir_fprintf(f, "call ");
+				ir_print_calling_convention(f, m, ProcCC_Odin);
+				ir_print_type(f, m, t_bool);
+				char *runtime_proc = "";
+				i64 sz = 8*type_size_of(m->allocator, elem_type);
+				switch (sz) {
+				case 64:
+					switch (bo->op) {
+					case Token_CmpEq: runtime_proc = "__complex64_eq"; break;
+					case Token_NotEq: runtime_proc = "__complex64_ne"; break;
+					}
+					break;
+				case 128:
+					switch (bo->op) {
+					case Token_CmpEq: runtime_proc = "__complex128_eq"; break;
+					case Token_NotEq: runtime_proc = "__complex128_ne"; break;
+					}
+					break;
+				}
+
+				ir_fprintf(f, " ");
+				ir_print_encoded_global(f, make_string_c(runtime_proc), false);
+				ir_fprintf(f, "(");
+				ir_print_type(f, m, type);
+				ir_fprintf(f, " ");
+				ir_print_value(f, m, bo->left, type);
+				ir_fprintf(f, ", ");
+				ir_print_type(f, m, type);
+				ir_fprintf(f, " ");
+				ir_print_value(f, m, bo->right, type);
+				ir_fprintf(f, ")\n");
+				return;
+			} else if (is_type_quaternion(elem_type)) {
+				ir_fprintf(f, "call ");
+				ir_print_calling_convention(f, m, ProcCC_Odin);
+				ir_print_type(f, m, t_bool);
+				char *runtime_proc = "";
+				i64 sz = 8*type_size_of(m->allocator, elem_type);
+				switch (sz) {
+				case 128:
+					switch (bo->op) {
+					case Token_CmpEq: runtime_proc = "__quaternion128_eq"; break;
+					case Token_NotEq: runtime_proc = "__quaternion128_ne"; break;
+					}
+					break;
+				case 256:
+					switch (bo->op) {
+					case Token_CmpEq: runtime_proc = "__quaternion256_eq"; break;
+					case Token_NotEq: runtime_proc = "__quaternion256_ne"; break;
+					}
+					break;
+				}
+
+				ir_fprintf(f, " ");
+				ir_print_encoded_global(f, make_string_c(runtime_proc), false);
+				ir_fprintf(f, "(");
+				ir_print_type(f, m, type);
+				ir_fprintf(f, " ");
+				ir_print_value(f, m, bo->left, type);
+				ir_fprintf(f, ", ");
+				ir_print_type(f, m, type);
+				ir_fprintf(f, " ");
+				ir_print_value(f, m, bo->right, type);
+				ir_fprintf(f, ")\n");
+				return;
 			} else {
 				ir_fprintf(f, "icmp ");
 				if (bo->op != Token_CmpEq &&
@@ -1415,6 +1509,16 @@ void print_llvm_ir(irGen *ir) {
 	ir_print_encoded_local(f, str_lit("..rawptr"));
 	ir_fprintf(f, " = type i8* ; Basic_rawptr\n");
 
+	ir_print_encoded_local(f, str_lit("..complex64"));
+	ir_fprintf(f, " = type {float, float} ; Basic_complex64\n");
+	ir_print_encoded_local(f, str_lit("..complex128"));
+	ir_fprintf(f, " = type {double, double} ; Basic_complex128\n");
+	ir_print_encoded_local(f, str_lit("..quaternion128"));
+	ir_fprintf(f, " = type {float, float, float, float} ; Basic_quaternion128\n");
+	ir_print_encoded_local(f, str_lit("..quaternion256"));
+	ir_fprintf(f, " = type {double, double, double, double} ; Basic_quaternion256\n");
+
+
 	ir_print_encoded_local(f, str_lit("..any"));
 	ir_fprintf(f, " = type {");
 	ir_print_type(f, m, t_type_info_ptr);
diff --git a/src/main.c b/src/main.c
index ccc2b4c3b..6c2167802 100644
--- a/src/main.c
+++ b/src/main.c
@@ -261,7 +261,7 @@ int main(int argc, char **argv) {
 	#if defined(GB_SYSTEM_WINDOWS)
 	// For more passes arguments: http://llvm.org/docs/Passes.html
 	exit_code = system_exec_command_line_app("llvm-opt", false,
-		"\"%.*sbin/opt\" \"%s\" -o \"%.*s\".bc "
+		"\"%.*sbin/opt\" \"%s\" -o \"%.*s.bc\" "
 		"-mem2reg "
 		"-memcpyopt "
 		"-die "
diff --git a/src/parser.c b/src/parser.c
index fbedb3855..5169bd7bf 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -1735,6 +1735,7 @@ AstNode *parse_operand(AstFile *f, bool lhs) {
 
 	case Token_Integer:
 	case Token_Float:
+	case Token_Imag:
 	case Token_Rune:
 		operand = ast_basic_lit(f, f->curr_token);
 		next_token(f);
@@ -3238,6 +3239,7 @@ AstNode *parse_stmt(AstFile *f) {
 	case Token_Ident:
 	case Token_Integer:
 	case Token_Float:
+	case Token_Imag:
 	case Token_Rune:
 	case Token_String:
 	case Token_OpenParen:
diff --git a/src/tokenizer.c b/src/tokenizer.c
index 6c7f76c02..398f39f98 100644
--- a/src/tokenizer.c
+++ b/src/tokenizer.c
@@ -7,6 +7,7 @@ TOKEN_KIND(Token__LiteralBegin, "_LiteralBegin"), \
 	TOKEN_KIND(Token_Ident,     "identifier"), \
 	TOKEN_KIND(Token_Integer,   "integer"), \
 	TOKEN_KIND(Token_Float,     "float"), \
+	TOKEN_KIND(Token_Imag,      "imaginary"), \
 	TOKEN_KIND(Token_Rune,      "rune"), \
 	TOKEN_KIND(Token_String,    "string"), \
 TOKEN_KIND(Token__LiteralEnd,   "_LiteralEnd"), \
@@ -547,18 +548,18 @@ Token scan_number_to_token(Tokenizer *t, bool seen_decimal_point) {
 			}
 		}
 
-		token.string.len = t->curr - token.string.text;
-		return token;
+		goto end;
 	}
 
 	scan_mantissa(t, 10);
 
+
 fraction:
 	if (t->curr_rune == '.') {
 		// HACK(bill): This may be inefficient
 		TokenizerState state = save_tokenizer_state(t);
 		advance_to_next_rune(t);
-		if (digit_value(t->curr_rune) >= 10) {
+		if (t->curr_rune == '.') {
 			// TODO(bill): Clean up this shit
 			restore_tokenizer_state(t, &state);
 			goto end;
@@ -577,6 +578,13 @@ exponent:
 		scan_mantissa(t, 10);
 	}
 
+	switch (t->curr_rune) {
+	case 'i': case 'j': case 'k':
+		token.kind = Token_Imag;
+		advance_to_next_rune(t);
+		break;
+	}
+
 end:
 	token.string.len = t->curr - token.string.text;
 	return token;
diff --git a/src/types.c b/src/types.c
index eee10dd45..ebbce3e39 100644
--- a/src/types.c
+++ b/src/types.c
@@ -12,25 +12,15 @@ typedef enum BasicKind {
 	Basic_i64,
 	Basic_u64,
 
-/* 	Basic_i16le,
-	Basic_i16be,
-	Basic_u16le,
-	Basic_u16be,
-	Basic_i32le,
-	Basic_i32be,
-	Basic_u32le,
-	Basic_u32be,
-	Basic_i64le,
-	Basic_i64be,
-	Basic_u64le,
-	Basic_u64be, */
-
-	// Basic_i128,
-	// Basic_u128,
-	// Basic_f16,
 	Basic_f32,
 	Basic_f64,
-	// Basic_f128,
+
+	Basic_complex64,
+	Basic_complex128,
+
+	Basic_quaternion128,
+	Basic_quaternion256,
+
 	Basic_int,
 	Basic_uint,
 	Basic_rawptr,
@@ -40,6 +30,8 @@ typedef enum BasicKind {
 	Basic_UntypedBool,
 	Basic_UntypedInteger,
 	Basic_UntypedFloat,
+	Basic_UntypedComplex,
+	Basic_UntypedQuaternion,
 	Basic_UntypedString,
 	Basic_UntypedRune,
 	Basic_UntypedNil,
@@ -51,17 +43,19 @@ typedef enum BasicKind {
 } BasicKind;
 
 typedef enum BasicFlag {
-	BasicFlag_Boolean  = GB_BIT(0),
-	BasicFlag_Integer  = GB_BIT(1),
-	BasicFlag_Unsigned = GB_BIT(2),
-	BasicFlag_Float    = GB_BIT(3),
-	BasicFlag_Pointer  = GB_BIT(4),
-	BasicFlag_String   = GB_BIT(5),
-	BasicFlag_Rune     = GB_BIT(6),
-	BasicFlag_Untyped  = GB_BIT(7),
-
-	BasicFlag_Numeric      = BasicFlag_Integer | BasicFlag_Float,
-	BasicFlag_Ordered      = BasicFlag_Numeric | BasicFlag_String  | BasicFlag_Pointer,
+	BasicFlag_Boolean     = GB_BIT(0),
+	BasicFlag_Integer     = GB_BIT(1),
+	BasicFlag_Unsigned    = GB_BIT(2),
+	BasicFlag_Float       = GB_BIT(3),
+	BasicFlag_Complex     = GB_BIT(4),
+	BasicFlag_Quaternion  = GB_BIT(5),
+	BasicFlag_Pointer     = GB_BIT(6),
+	BasicFlag_String      = GB_BIT(7),
+	BasicFlag_Rune        = GB_BIT(8),
+	BasicFlag_Untyped     = GB_BIT(9),
+
+	BasicFlag_Numeric      = BasicFlag_Integer | BasicFlag_Float   | BasicFlag_Complex | BasicFlag_Quaternion,
+	BasicFlag_Ordered      = BasicFlag_Integer | BasicFlag_Float   | BasicFlag_String  | BasicFlag_Pointer,
 	BasicFlag_ConstantType = BasicFlag_Boolean | BasicFlag_Numeric | BasicFlag_Pointer | BasicFlag_String | BasicFlag_Rune,
 } BasicFlag;
 
@@ -209,33 +203,43 @@ void selection_add_index(Selection *s, isize index) {
 
 
 gb_global Type basic_types[] = {
-	{Type_Basic, {Basic_Invalid,        0,                                       0, STR_LIT("invalid type")}},
-	{Type_Basic, {Basic_bool,           BasicFlag_Boolean,                       1, STR_LIT("bool")}},
-	{Type_Basic, {Basic_i8,             BasicFlag_Integer,                       1, STR_LIT("i8")}},
-	{Type_Basic, {Basic_u8,             BasicFlag_Integer | BasicFlag_Unsigned,  1, STR_LIT("u8")}},
-	{Type_Basic, {Basic_i16,            BasicFlag_Integer,                       2, STR_LIT("i16")}},
-	{Type_Basic, {Basic_u16,            BasicFlag_Integer | BasicFlag_Unsigned,  2, STR_LIT("u16")}},
-	{Type_Basic, {Basic_i32,            BasicFlag_Integer,                       4, STR_LIT("i32")}},
-	{Type_Basic, {Basic_u32,            BasicFlag_Integer | BasicFlag_Unsigned,  4, STR_LIT("u32")}},
-	{Type_Basic, {Basic_i64,            BasicFlag_Integer,                       8, STR_LIT("i64")}},
-	{Type_Basic, {Basic_u64,            BasicFlag_Integer | BasicFlag_Unsigned,  8, STR_LIT("u64")}},
-	// {Type_Basic, {Basic_i128,           BasicFlag_Integer,                      16, STR_LIT("i128")}},
-	// {Type_Basic, {Basic_u128,           BasicFlag_Integer | BasicFlag_Unsigned, 16, STR_LIT("u128")}},
-	// {Type_Basic, {Basic_f16,            BasicFlag_Float,                         2, STR_LIT("f16")}},
-	{Type_Basic, {Basic_f32,            BasicFlag_Float,                         4, STR_LIT("f32")}},
-	{Type_Basic, {Basic_f64,            BasicFlag_Float,                         8, STR_LIT("f64")}},
-	// {Type_Basic, {Basic_f128,           BasicFlag_Float,                        16, STR_LIT("f128")}},
-	{Type_Basic, {Basic_int,            BasicFlag_Integer,                      -1, STR_LIT("int")}},
-	{Type_Basic, {Basic_uint,           BasicFlag_Integer | BasicFlag_Unsigned, -1, STR_LIT("uint")}},
-	{Type_Basic, {Basic_rawptr,         BasicFlag_Pointer,                      -1, STR_LIT("rawptr")}},
-	{Type_Basic, {Basic_string,         BasicFlag_String,                       -1, STR_LIT("string")}},
-	{Type_Basic, {Basic_any,            0,                                      -1, STR_LIT("any")}},
-	{Type_Basic, {Basic_UntypedBool,    BasicFlag_Boolean | BasicFlag_Untyped,   0, STR_LIT("untyped bool")}},
-	{Type_Basic, {Basic_UntypedInteger, BasicFlag_Integer | BasicFlag_Untyped,   0, STR_LIT("untyped integer")}},
-	{Type_Basic, {Basic_UntypedFloat,   BasicFlag_Float   | BasicFlag_Untyped,   0, STR_LIT("untyped float")}},
-	{Type_Basic, {Basic_UntypedString,  BasicFlag_String  | BasicFlag_Untyped,   0, STR_LIT("untyped string")}},
-	{Type_Basic, {Basic_UntypedRune,    BasicFlag_Integer | BasicFlag_Untyped,   0, STR_LIT("untyped rune")}},
-	{Type_Basic, {Basic_UntypedNil,     BasicFlag_Untyped,                       0, STR_LIT("untyped nil")}},
+	{Type_Basic, {Basic_Invalid,           0,                                          0, STR_LIT("invalid type")}},
+
+	{Type_Basic, {Basic_bool,              BasicFlag_Boolean,                          1, STR_LIT("bool")}},
+
+	{Type_Basic, {Basic_i8,                BasicFlag_Integer,                          1, STR_LIT("i8")}},
+	{Type_Basic, {Basic_u8,                BasicFlag_Integer | BasicFlag_Unsigned,     1, STR_LIT("u8")}},
+	{Type_Basic, {Basic_i16,               BasicFlag_Integer,                          2, STR_LIT("i16")}},
+	{Type_Basic, {Basic_u16,               BasicFlag_Integer | BasicFlag_Unsigned,     2, STR_LIT("u16")}},
+	{Type_Basic, {Basic_i32,               BasicFlag_Integer,                          4, STR_LIT("i32")}},
+	{Type_Basic, {Basic_u32,               BasicFlag_Integer | BasicFlag_Unsigned,     4, STR_LIT("u32")}},
+	{Type_Basic, {Basic_i64,               BasicFlag_Integer,                          8, STR_LIT("i64")}},
+	{Type_Basic, {Basic_u64,               BasicFlag_Integer | BasicFlag_Unsigned,     8, STR_LIT("u64")}},
+
+	{Type_Basic, {Basic_f32,               BasicFlag_Float,                            4, STR_LIT("f32")}},
+	{Type_Basic, {Basic_f64,               BasicFlag_Float,                            8, STR_LIT("f64")}},
+
+	{Type_Basic, {Basic_complex64,         BasicFlag_Complex,                          8, STR_LIT("complex64")}},
+	{Type_Basic, {Basic_complex128,        BasicFlag_Complex,                         16, STR_LIT("complex128")}},
+
+	{Type_Basic, {Basic_quaternion128,     BasicFlag_Quaternion,                      16, STR_LIT("quaternion128")}},
+	{Type_Basic, {Basic_quaternion256,     BasicFlag_Quaternion,                      32, STR_LIT("quaternion256")}},
+
+	{Type_Basic, {Basic_int,               BasicFlag_Integer,                         -1, STR_LIT("int")}},
+	{Type_Basic, {Basic_uint,              BasicFlag_Integer | BasicFlag_Unsigned,    -1, STR_LIT("uint")}},
+
+	{Type_Basic, {Basic_rawptr,            BasicFlag_Pointer,                         -1, STR_LIT("rawptr")}},
+	{Type_Basic, {Basic_string,            BasicFlag_String,                          -1, STR_LIT("string")}},
+	{Type_Basic, {Basic_any,               0,                                         -1, STR_LIT("any")}},
+
+	{Type_Basic, {Basic_UntypedBool,       BasicFlag_Boolean    | BasicFlag_Untyped,   0, STR_LIT("untyped bool")}},
+	{Type_Basic, {Basic_UntypedInteger,    BasicFlag_Integer    | BasicFlag_Untyped,   0, STR_LIT("untyped integer")}},
+	{Type_Basic, {Basic_UntypedFloat,      BasicFlag_Float      | BasicFlag_Untyped,   0, STR_LIT("untyped float")}},
+	{Type_Basic, {Basic_UntypedComplex,    BasicFlag_Complex    | BasicFlag_Untyped,   0, STR_LIT("untyped complex")}},
+	{Type_Basic, {Basic_UntypedQuaternion, BasicFlag_Quaternion | BasicFlag_Untyped,   0, STR_LIT("untyped quaternion")}},
+	{Type_Basic, {Basic_UntypedString,     BasicFlag_String     | BasicFlag_Untyped,   0, STR_LIT("untyped string")}},
+	{Type_Basic, {Basic_UntypedRune,       BasicFlag_Integer    | BasicFlag_Untyped,   0, STR_LIT("untyped rune")}},
+	{Type_Basic, {Basic_UntypedNil,        BasicFlag_Untyped,                          0, STR_LIT("untyped nil")}},
 };
 
 gb_global Type basic_type_aliases[] = {
@@ -253,25 +257,33 @@ gb_global Type *t_i32             = &basic_types[Basic_i32];
 gb_global Type *t_u32             = &basic_types[Basic_u32];
 gb_global Type *t_i64             = &basic_types[Basic_i64];
 gb_global Type *t_u64             = &basic_types[Basic_u64];
-// gb_global Type *t_i128            = &basic_types[Basic_i128];
-// gb_global Type *t_u128            = &basic_types[Basic_u128];
-// gb_global Type *t_f16             = &basic_types[Basic_f16];
+
 gb_global Type *t_f32             = &basic_types[Basic_f32];
 gb_global Type *t_f64             = &basic_types[Basic_f64];
-// gb_global Type *t_f128            = &basic_types[Basic_f128];
+
+gb_global Type *t_complex64       = &basic_types[Basic_complex64];
+gb_global Type *t_complex128      = &basic_types[Basic_complex128];
+
+gb_global Type *t_quaternion128   = &basic_types[Basic_quaternion128];
+gb_global Type *t_quaternion256   = &basic_types[Basic_quaternion256];
+
 gb_global Type *t_int             = &basic_types[Basic_int];
 gb_global Type *t_uint            = &basic_types[Basic_uint];
+
 gb_global Type *t_rawptr          = &basic_types[Basic_rawptr];
 gb_global Type *t_string          = &basic_types[Basic_string];
 gb_global Type *t_any             = &basic_types[Basic_any];
-gb_global Type *t_untyped_bool    = &basic_types[Basic_UntypedBool];
-gb_global Type *t_untyped_integer = &basic_types[Basic_UntypedInteger];
-gb_global Type *t_untyped_float   = &basic_types[Basic_UntypedFloat];
-gb_global Type *t_untyped_string  = &basic_types[Basic_UntypedString];
-gb_global Type *t_untyped_rune    = &basic_types[Basic_UntypedRune];
-gb_global Type *t_untyped_nil     = &basic_types[Basic_UntypedNil];
-gb_global Type *t_byte            = &basic_type_aliases[0];
-gb_global Type *t_rune            = &basic_type_aliases[1];
+
+gb_global Type *t_untyped_bool       = &basic_types[Basic_UntypedBool];
+gb_global Type *t_untyped_integer    = &basic_types[Basic_UntypedInteger];
+gb_global Type *t_untyped_float      = &basic_types[Basic_UntypedFloat];
+gb_global Type *t_untyped_complex    = &basic_types[Basic_UntypedComplex];
+gb_global Type *t_untyped_quaternion = &basic_types[Basic_UntypedQuaternion];
+gb_global Type *t_untyped_string     = &basic_types[Basic_UntypedString];
+gb_global Type *t_untyped_rune       = &basic_types[Basic_UntypedRune];
+gb_global Type *t_untyped_nil        = &basic_types[Basic_UntypedNil];
+gb_global Type *t_byte               = &basic_type_aliases[0];
+gb_global Type *t_rune               = &basic_type_aliases[1];
 
 
 gb_global Type *t_u8_ptr  = NULL;
@@ -293,6 +305,8 @@ gb_global Type *t_type_info_enum_value_ptr = NULL;
 gb_global Type *t_type_info_named         = NULL;
 gb_global Type *t_type_info_integer       = NULL;
 gb_global Type *t_type_info_float         = NULL;
+gb_global Type *t_type_info_complex       = NULL;
+gb_global Type *t_type_info_quaternion    = NULL;
 gb_global Type *t_type_info_any           = NULL;
 gb_global Type *t_type_info_string        = NULL;
 gb_global Type *t_type_info_boolean       = NULL;
@@ -312,6 +326,8 @@ gb_global Type *t_type_info_map           = NULL;
 gb_global Type *t_type_info_named_ptr         = NULL;
 gb_global Type *t_type_info_integer_ptr       = NULL;
 gb_global Type *t_type_info_float_ptr         = NULL;
+gb_global Type *t_type_info_complex_ptr       = NULL;
+gb_global Type *t_type_info_quaternion_ptr    = NULL;
 gb_global Type *t_type_info_any_ptr           = NULL;
 gb_global Type *t_type_info_string_ptr        = NULL;
 gb_global Type *t_type_info_boolean_ptr       = NULL;
@@ -615,6 +631,20 @@ bool is_type_float(Type *t) {
 	}
 	return false;
 }
+bool is_type_complex(Type *t) {
+	t = core_type(t);
+	if (t->kind == Type_Basic) {
+		return (t->Basic.flags & BasicFlag_Complex) != 0;
+	}
+	return false;
+}
+bool is_type_quaternion(Type *t) {
+	t = core_type(t);
+	if (t->kind == Type_Basic) {
+		return (t->Basic.flags & BasicFlag_Quaternion) != 0;
+	}
+	return false;
+}
 bool is_type_f32(Type *t) {
 	t = core_type(t);
 	if (t->kind == Type_Basic) {
@@ -695,6 +725,31 @@ Type *base_vector_type(Type *t) {
 	return t;
 }
 
+Type *base_complex_elem_type(Type *t) {
+	t = core_type(t);
+	if (is_type_complex(t)) {
+		switch (t->Basic.kind) {
+		case Basic_complex64:      return t_f32;
+		case Basic_complex128:     return t_f64;
+		case Basic_UntypedComplex: return t_untyped_float;
+		}
+	}
+	GB_PANIC("Invalid complex type");
+	return t_invalid;
+}
+Type *base_quaternion_elem_type(Type *t) {
+	t = core_type(t);
+	if (is_type_quaternion(t)) {
+		switch (t->Basic.kind) {
+		case Basic_quaternion128:     return t_f32;
+		case Basic_quaternion256:     return t_f64;
+		case Basic_UntypedQuaternion: return t_untyped_float;
+		}
+	}
+	GB_PANIC("Invalid quaternion type");
+	return t_invalid;
+}
+
 
 bool is_type_struct(Type *t) {
 	t = base_type(t);
@@ -950,11 +1005,13 @@ Type *default_type(Type *type) {
 	}
 	if (type->kind == Type_Basic) {
 		switch (type->Basic.kind) {
-		case Basic_UntypedBool:    return t_bool;
-		case Basic_UntypedInteger: return t_int;
-		case Basic_UntypedFloat:   return t_f64;
-		case Basic_UntypedString:  return t_string;
-		case Basic_UntypedRune:    return t_rune;
+		case Basic_UntypedBool:       return t_bool;
+		case Basic_UntypedInteger:    return t_int;
+		case Basic_UntypedFloat:      return t_f64;
+		case Basic_UntypedComplex:    return t_complex128;
+		case Basic_UntypedQuaternion: return t_quaternion256;
+		case Basic_UntypedString:     return t_string;
+		case Basic_UntypedRune:       return t_rune;
 		}
 	}
 	return type;
@@ -1542,6 +1599,11 @@ i64 type_align_of_internal(gbAllocator allocator, Type *t, TypePath *path) {
 
 		case Basic_int: case Basic_uint: case Basic_rawptr:
 			return build_context.word_size;
+
+		case Basic_complex64: case Basic_complex128:
+			return type_size_of_internal(allocator, t, path) / 2;
+		case Basic_quaternion128: case Basic_quaternion256:
+			return type_size_of_internal(allocator, t, path) / 4;
 		}
 	} break;