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simd_math_avx512f.h
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Fri, Jul 12, 06:35

simd_math_avx512f.h
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#ifndef SIMD_MATH
#define SIMD_MATH_
//
#include <immintrin.h>
//
//
//
#ifdef __INTEL_COMPILER
//
//#warning "simd_math AVX512F detected"
inline __m512d operator + (__m512d a, __m512d b) {return _mm512_add_pd(a, b);}
inline __m512d operator - (__m512d a, __m512d b) {return _mm512_sub_pd(a, b);}
inline __m512d operator * (__m512d a, __m512d b) {return _mm512_mul_pd(a, b);}
inline __m512d operator / (__m512d a, __m512d b) {return _mm512_div_pd(a, b);}
#endif
#define __INV RCP_2NR_AVX512
//#define __INV _mm512_rcp28_pd
//#define __INV _mm512_rcp14_pd
#define __SQRT _mm512_sqrt_pd
//
//
//
inline __m512d RCP_2NR_AVX512(const __m512d d)
{
__m512d x0;
x0 = _mm512_div_pd(_mm512_set1_pd(1.), d);
return x0;
x0 = _mm512_rcp28_pd (d);
//
x0 = x0 + x0 - d*x0*x0;
x0 = x0 + x0 - d*x0*x0;
//
return x0;
}
//
//
//
#endif

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