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U8_MIN :: u8(0);
U16_MIN :: u16(0);
U32_MIN :: u32(0);
U64_MIN :: u64(0);
U8_MAX :: ~u8(0);
U16_MAX :: ~u16(0);
U32_MAX :: ~u32(0);
U64_MAX :: ~u64(0);
I8_MIN :: i8( ~u8(0) >> 1);
I16_MIN :: i16( ~u16(0) >> 1);
I32_MIN :: i32( ~u32(0) >> 1);
I64_MIN :: i64( ~u64(0) >> 1);
I8_MAX :: -I8_MIN - 1;
I16_MAX :: -I16_MIN - 1;
I32_MAX :: -I32_MIN - 1;
I64_MAX :: -I64_MIN - 1;
foreign __llvm_core {
@(link_name="llvm.ctpop.i8") __llvm_ctpop8 :: proc(u8) -> u8 ---;
@(link_name="llvm.ctpop.i16") __llvm_ctpop16 :: proc(u16) -> u16 ---;
@(link_name="llvm.ctpop.i32") __llvm_ctpop32 :: proc(u32) -> u32 ---;
@(link_name="llvm.ctpop.i64") __llvm_ctpop64 :: proc(u64) -> u64 ---;
@(link_name="llvm.ctlz.i8") __llvm_ctlz8 :: proc(u8, bool) -> u8 ---;
@(link_name="llvm.ctlz.i16") __llvm_ctlz16 :: proc(u16, bool) -> u16 ---;
@(link_name="llvm.ctlz.i32") __llvm_ctlz32 :: proc(u32, bool) -> u32 ---;
@(link_name="llvm.ctlz.i64") __llvm_ctlz64 :: proc(u64, bool) -> u64 ---;
@(link_name="llvm.cttz.i8") __llvm_cttz8 :: proc(u8, bool) -> u8 ---;
@(link_name="llvm.cttz.i16") __llvm_cttz16 :: proc(u16, bool) -> u16 ---;
@(link_name="llvm.cttz.i32") __llvm_cttz32 :: proc(u32, bool) -> u32 ---;
@(link_name="llvm.cttz.i64") __llvm_cttz64 :: proc(u64, bool) -> u64 ---;
@(link_name="llvm.bitreverse.i8") __llvm_bitreverse8 :: proc(u8) -> u8 ---;
@(link_name="llvm.bitreverse.i16") __llvm_bitreverse16 :: proc(u16) -> u16 ---;
@(link_name="llvm.bitreverse.i32") __llvm_bitreverse32 :: proc(u32) -> u32 ---;
@(link_name="llvm.bitreverse.i64") __llvm_bitreverse64 :: proc(u64) -> u64 ---;
@(link_name="llvm.bswap.i16") byte_swap16 :: proc(u16) -> u16 ---;
@(link_name="llvm.bswap.i32") byte_swap32 :: proc(u32) -> u32 ---;
@(link_name="llvm.bswap.i64") byte_swap64 :: proc(u64) -> u64 ---;
}
byte_swap_uint :: proc(i: uint) -> uint {
when size_of(uint) == size_of(u32) {
return uint(byte_swap32(u32(i)));
} else {
return uint(byte_swap64(u64(i)));
}
}
byte_swap :: proc[byte_swap16, byte_swap32, byte_swap64, byte_swap_uint];
count_ones8 :: proc(i: u8) -> u8 { return __llvm_ctpop8(i); }
count_ones16 :: proc(i: u16) -> u16 { return __llvm_ctpop16(i); }
count_ones32 :: proc(i: u32) -> u32 { return __llvm_ctpop32(i); }
count_ones64 :: proc(i: u64) -> u64 { return __llvm_ctpop64(i); }
count_zeros8 :: proc(i: u8) -> u8 { return 8 - count_ones8(i); }
count_zeros16 :: proc(i: u16) -> u16 { return 16 - count_ones16(i); }
count_zeros32 :: proc(i: u32) -> u32 { return 32 - count_ones32(i); }
count_zeros64 :: proc(i: u64) -> u64 { return 64 - count_ones64(i); }
rotate_left8 :: proc(i: u8, s: uint) -> u8 { return (i << s)|(i >> (8*size_of(u8) - s)); }
rotate_left16 :: proc(i: u16, s: uint) -> u16 { return (i << s)|(i >> (8*size_of(u16) - s)); }
rotate_left32 :: proc(i: u32, s: uint) -> u32 { return (i << s)|(i >> (8*size_of(u32) - s)); }
rotate_left64 :: proc(i: u64, s: uint) -> u64 { return (i << s)|(i >> (8*size_of(u64) - s)); }
rotate_right8 :: proc(i: u8, s: uint) -> u8 { return (i >> s)|(i << (8*size_of(u8) - s)); }
rotate_right16 :: proc(i: u16, s: uint) -> u16 { return (i >> s)|(i << (8*size_of(u16) - s)); }
rotate_right32 :: proc(i: u32, s: uint) -> u32 { return (i >> s)|(i << (8*size_of(u32) - s)); }
rotate_right64 :: proc(i: u64, s: uint) -> u64 { return (i >> s)|(i << (8*size_of(u64) - s)); }
leading_zeros8 :: proc(i: u8) -> u8 { return __llvm_ctlz8(i, false); }
leading_zeros16 :: proc(i: u16) -> u16 { return __llvm_ctlz16(i, false); }
leading_zeros32 :: proc(i: u32) -> u32 { return __llvm_ctlz32(i, false); }
leading_zeros64 :: proc(i: u64) -> u64 { return __llvm_ctlz64(i, false); }
trailing_zeros8 :: proc(i: u8) -> u8 { return __llvm_cttz8(i, false); }
trailing_zeros16 :: proc(i: u16) -> u16 { return __llvm_cttz16(i, false); }
trailing_zeros32 :: proc(i: u32) -> u32 { return __llvm_cttz32(i, false); }
trailing_zeros64 :: proc(i: u64) -> u64 { return __llvm_cttz64(i, false); }
reverse_bits8 :: proc(i: u8) -> u8 { return __llvm_bitreverse8(i); }
reverse_bits16 :: proc(i: u16) -> u16 { return __llvm_bitreverse16(i); }
reverse_bits32 :: proc(i: u32) -> u32 { return __llvm_bitreverse32(i); }
reverse_bits64 :: proc(i: u64) -> u64 { return __llvm_bitreverse64(i); }
from_be_u8 :: proc(i: u8) -> u8 { return i; }
from_be_u16 :: proc(i: u16) -> u16 { when ODIN_ENDIAN == "big" { return i; } else { return byte_swap(i); } }
from_be_u32 :: proc(i: u32) -> u32 { when ODIN_ENDIAN == "big" { return i; } else { return byte_swap(i); } }
from_be_u64 :: proc(i: u64) -> u64 { when ODIN_ENDIAN == "big" { return i; } else { return byte_swap(i); } }
from_be_uint :: proc(i: uint) -> uint { when ODIN_ENDIAN == "big" { return i; } else { return byte_swap(i); } }
from_le_u8 :: proc(i: u8) -> u8 { return i; }
from_le_u16 :: proc(i: u16) -> u16 { when ODIN_ENDIAN == "little" { return i; } else { return byte_swap(i); } }
from_le_u32 :: proc(i: u32) -> u32 { when ODIN_ENDIAN == "little" { return i; } else { return byte_swap(i); } }
from_le_u64 :: proc(i: u64) -> u64 { when ODIN_ENDIAN == "little" { return i; } else { return byte_swap(i); } }
from_le_uint :: proc(i: uint) -> uint { when ODIN_ENDIAN == "little" { return i; } else { return byte_swap(i); } }
to_be_u8 :: proc(i: u8) -> u8 { return i; }
to_be_u16 :: proc(i: u16) -> u16 { when ODIN_ENDIAN == "big" { return i; } else { return byte_swap(i); } }
to_be_u32 :: proc(i: u32) -> u32 { when ODIN_ENDIAN == "big" { return i; } else { return byte_swap(i); } }
to_be_u64 :: proc(i: u64) -> u64 { when ODIN_ENDIAN == "big" { return i; } else { return byte_swap(i); } }
to_be_uint :: proc(i: uint) -> uint { when ODIN_ENDIAN == "big" { return i; } else { return byte_swap(i); } }
to_le_u8 :: proc(i: u8) -> u8 { return i; }
to_le_u16 :: proc(i: u16) -> u16 { when ODIN_ENDIAN == "little" { return i; } else { return byte_swap(i); } }
to_le_u32 :: proc(i: u32) -> u32 { when ODIN_ENDIAN == "little" { return i; } else { return byte_swap(i); } }
to_le_u64 :: proc(i: u64) -> u64 { when ODIN_ENDIAN == "little" { return i; } else { return byte_swap(i); } }
to_le_uint :: proc(i: uint) -> uint { when ODIN_ENDIAN == "little" { return i; } else { return byte_swap(i); } }
overflowing_add_u8 :: proc(lhs, rhs: u8) -> (u8, bool) { foreign __llvm_core @(link_name="llvm.uadd.with.overflow.i8") op :: proc(u8, u8) -> (u8, bool) ---; return op(lhs, rhs); }
overflowing_add_i8 :: proc(lhs, rhs: i8) -> (i8, bool) { foreign __llvm_core @(link_name="llvm.sadd.with.overflow.i8") op :: proc(i8, i8) -> (i8, bool) ---; return op(lhs, rhs); }
overflowing_add_u16 :: proc(lhs, rhs: u16) -> (u16, bool) { foreign __llvm_core @(link_name="llvm.uadd.with.overflow.i16") op :: proc(u16, u16) -> (u16, bool) ---; return op(lhs, rhs); }
overflowing_add_i16 :: proc(lhs, rhs: i16) -> (i16, bool) { foreign __llvm_core @(link_name="llvm.sadd.with.overflow.i16") op :: proc(i16, i16) -> (i16, bool) ---; return op(lhs, rhs); }
overflowing_add_u32 :: proc(lhs, rhs: u32) -> (u32, bool) { foreign __llvm_core @(link_name="llvm.uadd.with.overflow.i32") op :: proc(u32, u32) -> (u32, bool) ---; return op(lhs, rhs); }
overflowing_add_i32 :: proc(lhs, rhs: i32) -> (i32, bool) { foreign __llvm_core @(link_name="llvm.sadd.with.overflow.i32") op :: proc(i32, i32) -> (i32, bool) ---; return op(lhs, rhs); }
overflowing_add_u64 :: proc(lhs, rhs: u64) -> (u64, bool) { foreign __llvm_core @(link_name="llvm.uadd.with.overflow.i64") op :: proc(u64, u64) -> (u64, bool) ---; return op(lhs, rhs); }
overflowing_add_i64 :: proc(lhs, rhs: i64) -> (i64, bool) { foreign __llvm_core @(link_name="llvm.sadd.with.overflow.i64") op :: proc(i64, i64) -> (i64, bool) ---; return op(lhs, rhs); }
overflowing_add_uint :: proc(lhs, rhs: uint) -> (uint, bool) {
when size_of(uint) == size_of(u32) {
x, ok := overflowing_add_u32(u32(lhs), u32(rhs));
return uint(x), ok;
} else {
x, ok := overflowing_add_u64(u64(lhs), u64(rhs));
return uint(x), ok;
}
}
overflowing_add_int :: proc(lhs, rhs: int) -> (int, bool) {
when size_of(int) == size_of(i32) {
x, ok := overflowing_add_i32(i32(lhs), i32(rhs));
return int(x), ok;
} else {
x, ok := overflowing_add_i64(i64(lhs), i64(rhs));
return int(x), ok;
}
}
overflowing_add :: proc[
overflowing_add_u8, overflowing_add_i8,
overflowing_add_u16, overflowing_add_i16,
overflowing_add_u32, overflowing_add_i32,
overflowing_add_u64, overflowing_add_i64,
overflowing_add_uint, overflowing_add_int,
];
overflowing_sub_u8 :: proc(lhs, rhs: u8) -> (u8, bool) { foreign __llvm_core @(link_name="llvm.usub.with.overflow.i8") op :: proc(u8, u8) -> (u8, bool) ---; return op(lhs, rhs); }
overflowing_sub_i8 :: proc(lhs, rhs: i8) -> (i8, bool) { foreign __llvm_core @(link_name="llvm.ssub.with.overflow.i8") op :: proc(i8, i8) -> (i8, bool) ---; return op(lhs, rhs); }
overflowing_sub_u16 :: proc(lhs, rhs: u16) -> (u16, bool) { foreign __llvm_core @(link_name="llvm.usub.with.overflow.i16") op :: proc(u16, u16) -> (u16, bool) ---; return op(lhs, rhs); }
overflowing_sub_i16 :: proc(lhs, rhs: i16) -> (i16, bool) { foreign __llvm_core @(link_name="llvm.ssub.with.overflow.i16") op :: proc(i16, i16) -> (i16, bool) ---; return op(lhs, rhs); }
overflowing_sub_u32 :: proc(lhs, rhs: u32) -> (u32, bool) { foreign __llvm_core @(link_name="llvm.usub.with.overflow.i32") op :: proc(u32, u32) -> (u32, bool) ---; return op(lhs, rhs); }
overflowing_sub_i32 :: proc(lhs, rhs: i32) -> (i32, bool) { foreign __llvm_core @(link_name="llvm.ssub.with.overflow.i32") op :: proc(i32, i32) -> (i32, bool) ---; return op(lhs, rhs); }
overflowing_sub_u64 :: proc(lhs, rhs: u64) -> (u64, bool) { foreign __llvm_core @(link_name="llvm.usub.with.overflow.i64") op :: proc(u64, u64) -> (u64, bool) ---; return op(lhs, rhs); }
overflowing_sub_i64 :: proc(lhs, rhs: i64) -> (i64, bool) { foreign __llvm_core @(link_name="llvm.ssub.with.overflow.i64") op :: proc(i64, i64) -> (i64, bool) ---; return op(lhs, rhs); }
overflowing_sub_uint :: proc(lhs, rhs: uint) -> (uint, bool) {
when size_of(uint) == size_of(u32) {
x, ok := overflowing_sub_u32(u32(lhs), u32(rhs));
return uint(x), ok;
} else {
x, ok := overflowing_sub_u64(u64(lhs), u64(rhs));
return uint(x), ok;
}
}
overflowing_sub_int :: proc(lhs, rhs: int) -> (int, bool) {
when size_of(int) == size_of(i32) {
x, ok := overflowing_sub_i32(i32(lhs), i32(rhs));
return int(x), ok;
} else {
x, ok := overflowing_sub_i64(i64(lhs), i64(rhs));
return int(x), ok;
}
}
overflowing_sub :: proc[
overflowing_sub_u8, overflowing_sub_i8,
overflowing_sub_u16, overflowing_sub_i16,
overflowing_sub_u32, overflowing_sub_i32,
overflowing_sub_u64, overflowing_sub_i64,
overflowing_sub_uint, overflowing_sub_int,
];
overflowing_mul_u8 :: proc(lhs, rhs: u8) -> (u8, bool) { foreign __llvm_core @(link_name="llvm.umul.with.overflow.i8") op :: proc(u8, u8) -> (u8, bool) ---; return op(lhs, rhs); }
overflowing_mul_i8 :: proc(lhs, rhs: i8) -> (i8, bool) { foreign __llvm_core @(link_name="llvm.smul.with.overflow.i8") op :: proc(i8, i8) -> (i8, bool) ---; return op(lhs, rhs); }
overflowing_mul_u16 :: proc(lhs, rhs: u16) -> (u16, bool) { foreign __llvm_core @(link_name="llvm.umul.with.overflow.i16") op :: proc(u16, u16) -> (u16, bool) ---; return op(lhs, rhs); }
overflowing_mul_i16 :: proc(lhs, rhs: i16) -> (i16, bool) { foreign __llvm_core @(link_name="llvm.smul.with.overflow.i16") op :: proc(i16, i16) -> (i16, bool) ---; return op(lhs, rhs); }
overflowing_mul_u32 :: proc(lhs, rhs: u32) -> (u32, bool) { foreign __llvm_core @(link_name="llvm.umul.with.overflow.i32") op :: proc(u32, u32) -> (u32, bool) ---; return op(lhs, rhs); }
overflowing_mul_i32 :: proc(lhs, rhs: i32) -> (i32, bool) { foreign __llvm_core @(link_name="llvm.smul.with.overflow.i32") op :: proc(i32, i32) -> (i32, bool) ---; return op(lhs, rhs); }
overflowing_mul_u64 :: proc(lhs, rhs: u64) -> (u64, bool) { foreign __llvm_core @(link_name="llvm.umul.with.overflow.i64") op :: proc(u64, u64) -> (u64, bool) ---; return op(lhs, rhs); }
overflowing_mul_i64 :: proc(lhs, rhs: i64) -> (i64, bool) { foreign __llvm_core @(link_name="llvm.smul.with.overflow.i64") op :: proc(i64, i64) -> (i64, bool) ---; return op(lhs, rhs); }
overflowing_mul_uint :: proc(lhs, rhs: uint) -> (uint, bool) {
when size_of(uint) == size_of(u32) {
x, ok := overflowing_mul_u32(u32(lhs), u32(rhs));
return uint(x), ok;
} else {
x, ok := overflowing_mul_u64(u64(lhs), u64(rhs));
return uint(x), ok;
}
}
overflowing_mul_int :: proc(lhs, rhs: int) -> (int, bool) {
when size_of(int) == size_of(i32) {
x, ok := overflowing_mul_i32(i32(lhs), i32(rhs));
return int(x), ok;
} else {
x, ok := overflowing_mul_i64(i64(lhs), i64(rhs));
return int(x), ok;
}
}
overflowing_mul :: proc[
overflowing_mul_u8, overflowing_mul_i8,
overflowing_mul_u16, overflowing_mul_i16,
overflowing_mul_u32, overflowing_mul_i32,
overflowing_mul_u64, overflowing_mul_i64,
overflowing_mul_uint, overflowing_mul_int,
];
is_power_of_two_u8 :: proc(i: u8) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_i8 :: proc(i: i8) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_u16 :: proc(i: u16) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_i16 :: proc(i: i16) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_u32 :: proc(i: u32) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_i32 :: proc(i: i32) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_u64 :: proc(i: u64) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_i64 :: proc(i: i64) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_uint :: proc(i: uint) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two_int :: proc(i: int) -> bool { return i > 0 && (i & (i-1)) == 0; }
is_power_of_two :: proc[
is_power_of_two_u8, is_power_of_two_i8,
is_power_of_two_u16, is_power_of_two_i16,
is_power_of_two_u32, is_power_of_two_i32,
is_power_of_two_u64, is_power_of_two_i64,
is_power_of_two_uint, is_power_of_two_int,
]
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