/*************************************************************************** * Copyright (c) 2025, The OpenBLAS Project * All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name of the OpenBLAS project nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ #if defined(BFLOAT16) && defined(BFLOAT16CONVERSION) static float bfloat16tof32 (bfloat16 value) { blasint one = 1; float result; sbf16tos_(&one, &value, &one, &result, &one); return result; } #ifdef BGEMM static bfloat16 f32tobfloat16(float value) { blasint one = 1; bfloat16 result; sbstobf16_(&one, &value, &one, &result, &one); return result; } #endif #ifdef BGEMM #define ALPHA bfloat16tof32(alpha) #define BETA bfloat16tof32(beta) #define BF16TOF32(x) (bfloat16tof32(x)) #define F32TOBF16(x) (f32tobfloat16(x)) #else #define ALPHA alpha #define BETA beta #define BF16TOF32(x) (bfloat16tof32(x)) #define F32TOBF16(x) x #endif #else #define ALPHA alpha #define BETA beta #define BF16TOF32(x) x #define F32TOBF16(x) x #endif