/* SPDX-License-Identifier: MIT * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies * of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Copyright: * 2020 Evan Nemerson * 2020 Himanshi Mathur */ /* This is a SIMDe extension which is not part of AVX-512. It exists * because a lot of numerical methods in SIMDe have algoriths which do * something like: * * float sgn = input < 0 ? -1 : 1; * ... * return res * sgn; * * Which can be replaced with a much more efficient call to xorsign: * * return simde_x_mm512_xorsign_ps(res, input); * * While this was originally intended for use in SIMDe, please feel * free to use it in your code. */ #if !defined(SIMDE_X86_AVX512_XORSIGN_H) #define SIMDE_X86_AVX512_XORSIGN_H #include "types.h" #include "mov.h" #include "and.h" #include "xor.h" #include "set1.h" HEDLEY_DIAGNOSTIC_PUSH SIMDE_DISABLE_UNWANTED_DIAGNOSTICS SIMDE_BEGIN_DECLS_ SIMDE_FUNCTION_ATTRIBUTES simde__m512 simde_x_mm512_xorsign_ps(simde__m512 dest, simde__m512 src) { return simde_mm512_xor_ps(simde_mm512_and_ps(simde_mm512_set1_ps(-0.0f), src), dest); } SIMDE_FUNCTION_ATTRIBUTES simde__m512d simde_x_mm512_xorsign_pd(simde__m512d dest, simde__m512d src) { return simde_mm512_xor_pd(simde_mm512_and_pd(simde_mm512_set1_pd(-0.0), src), dest); } SIMDE_END_DECLS_ HEDLEY_DIAGNOSTIC_POP #endif /* !defined(SIMDE_X86_AVX512_XORSIGN_H) */