66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Copyright:
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* 2023 Michael R. Crusoe <crusoe@debian.org>
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*/
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#if !defined(SIMDE_X86_AVX512_RCP_H)
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#define SIMDE_X86_AVX512_RCP_H
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#include "types.h"
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HEDLEY_DIAGNOSTIC_PUSH
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SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
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SIMDE_BEGIN_DECLS_
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// TODO: "The maximum relative error for this approximation is less than 2^-14."
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// vs 1.5*2^-12 for _mm{,256}_rcp_ps
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SIMDE_FUNCTION_ATTRIBUTES
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simde__m512
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simde_mm512_rcp14_ps (simde__m512 a) {
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#if defined(SIMDE_X86_AVX512F_NATIVE)
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return _mm512_rcp14_ps(a);
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#else
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simde__m512_private
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r_,
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a_ = simde__m512_to_private(a);
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SIMDE_VECTORIZE
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for (size_t i = 0 ; i < (sizeof(r_.f32) / sizeof(r_.f32[0])) ; i++) {
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r_.f32[i] = SIMDE_FLOAT32_C(1.0) / a_.f32[i];
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}
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return simde__m512_from_private(r_);
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#endif
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}
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#if defined(SIMDE_X86_AVX512F_ENABLE_NATIVE_ALIASES)
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#undef _mm512_rcp14_ps
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#define _mm512_rcp14_ps(a) simde_mm512_rcp14_ps(a)
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#endif
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SIMDE_END_DECLS_
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HEDLEY_DIAGNOSTIC_POP
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#endif /* !defined(SIMDE_X86_AVX512_RCP_H) */
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