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https://github.com/Karaka-Management/cOMS.git
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50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/**
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* Jingga
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*
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* @package Stdlib
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* @copyright Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link https://jingga.app
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*/
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#ifndef STDLIB_INTRINSICS_H
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#define STDLIB_INTRINSICS_H
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#include <immintrin.h>
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#include <inttypes.h>
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#include <x86intrin.h>
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#include <xmmintrin.h>
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#include "Types.h"
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namespace Stdlib::Intrinsics
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{
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inline f32 sqrt(f32 a) { return _mm_cvtss_f32(_mm_sqrt_ss(_mm_set_ss(a))); }
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inline f32 round(f32 a)
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{
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return _mm_cvtss_f32(
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_mm_round_ss(_mm_setzero_ps(), _mm_set_ss(a), (_MM_FROUND_TO_NEAREST_INT | _MM_FROUND_NO_EXC)));
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}
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inline uint32 round_to_int(f32 a) { return (uint32) _mm_cvtss_si32(_mm_set_ss(a)); }
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inline f32 floor(f32 a) { return _mm_cvtss_f32(_mm_floor_ss(_mm_setzero_ps(), _mm_set_ss(a))); }
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inline f32 ceil(f32 a) { return _mm_cvtss_f32(_mm_ceil_ss(_mm_setzero_ps(), _mm_set_ss(a))); }
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inline uint32 hash(uint64 a, uint64 b = 0)
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{
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uint8 seed[16] = {
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0xaa, 0x9b, 0xbd, 0xb8, 0xa1, 0x98, 0xac, 0x3f, 0x1f, 0x94, 0x07, 0xb3, 0x8c, 0x27, 0x93, 0x69,
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};
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__m128i hash = _mm_set_epi64x(a, b);
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hash = _mm_aesdec_si128(hash, _mm_loadu_si128((__m128i *) seed));
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hash = _mm_aesdec_si128(hash, _mm_loadu_si128((__m128i *) seed));
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return _mm_extract_epi32(hash, 0);
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}
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} // namespace Stdlib::Intrinsics
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#endif |