101e04c3fSmrg/**************************************************************************
201e04c3fSmrg *
301e04c3fSmrg * Copyright © 2016 Intel Corporation
401e04c3fSmrg * All Rights Reserved.
501e04c3fSmrg *
601e04c3fSmrg * Permission is hereby granted, free of charge, to any person obtaining a
701e04c3fSmrg * copy of this software and associated documentation files (the
801e04c3fSmrg * "Software"), to deal in the Software without restriction, including
901e04c3fSmrg * without limitation the rights to use, copy, modify, merge, publish,
1001e04c3fSmrg * distribute, sub license, and/or sell copies of the Software, and to
1101e04c3fSmrg * permit persons to whom the Software is furnished to do so, subject to
1201e04c3fSmrg * the following conditions:
1301e04c3fSmrg *
1401e04c3fSmrg * The above copyright notice and this permission notice (including the
1501e04c3fSmrg * next paragraph) shall be included in all copies or substantial portions
1601e04c3fSmrg * of the Software.
1701e04c3fSmrg *
1801e04c3fSmrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
1901e04c3fSmrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
2001e04c3fSmrg * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
2101e04c3fSmrg * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
2201e04c3fSmrg * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
2301e04c3fSmrg * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
2401e04c3fSmrg * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
2501e04c3fSmrg *
2601e04c3fSmrg **************************************************************************/
2701e04c3fSmrg
2801e04c3fSmrg#ifndef U_BITCAST_H_
2901e04c3fSmrg#define U_BITCAST_H_
3001e04c3fSmrg
3101e04c3fSmrg#include <string.h>
327ec681f3Smrg#include <stdint.h>
3301e04c3fSmrg
3401e04c3fSmrg#include "c99_compat.h"
3501e04c3fSmrg
3601e04c3fSmrg#ifdef __cplusplus
3701e04c3fSmrgextern "C" {
3801e04c3fSmrg#endif
3901e04c3fSmrg
407ec681f3Smrgstatic inline uint32_t
4101e04c3fSmrgu_bitcast_f2u(float f)
4201e04c3fSmrg{
4301e04c3fSmrg   unsigned u;
4401e04c3fSmrg   memcpy(&u, &f, sizeof(u));
4501e04c3fSmrg   return u;
4601e04c3fSmrg}
4701e04c3fSmrg
487ec681f3Smrgstatic inline uint64_t
497ec681f3Smrgu_bitcast_d2u(double d)
507ec681f3Smrg{
517ec681f3Smrg   uint64_t u;
527ec681f3Smrg   memcpy(&u, &d, sizeof(u));
537ec681f3Smrg   return u;
547ec681f3Smrg}
557ec681f3Smrg
5601e04c3fSmrgstatic inline float
577ec681f3Smrgu_bitcast_u2f(uint32_t u)
5801e04c3fSmrg{
5901e04c3fSmrg   float f;
6001e04c3fSmrg   memcpy(&f, &u, sizeof(f));
6101e04c3fSmrg   return f;
6201e04c3fSmrg}
6301e04c3fSmrg
647ec681f3Smrgstatic inline double
657ec681f3Smrgu_bitcast_u2d(uint64_t u)
667ec681f3Smrg{
677ec681f3Smrg   double d;
687ec681f3Smrg   memcpy(&d, &u, sizeof(d));
697ec681f3Smrg   return d;
707ec681f3Smrg}
717ec681f3Smrg
7201e04c3fSmrg#ifdef __cplusplus
7301e04c3fSmrg}
7401e04c3fSmrg#endif
7501e04c3fSmrg
7601e04c3fSmrg#endif /* U_BITCAST_H_ */
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