You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.9 KiB
56 lines
1.9 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (c) 2015 Advanced Micro Devices, Inc.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if __CLC_FPSIZE == 64
|
||
|
|
#define MIN_CONSTANT 0x1.fffffffffffffp-1
|
||
|
|
#define ZERO 0.0
|
||
|
|
#elif __CLC_FPSIZE == 32
|
||
|
|
#define MIN_CONSTANT 0x1.fffffep-1f
|
||
|
|
#define ZERO 0.0f
|
||
|
|
#elif __CLC_FPSIZE == 16
|
||
|
|
#define MIN_CONSTANT 0x1.ffcp-1h
|
||
|
|
#define ZERO 0.0h
|
||
|
|
#endif
|
||
|
|
|
||
|
|
_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE fract(__CLC_GENTYPE x, private __CLC_GENTYPE *iptr) {
|
||
|
|
*iptr = floor(x);
|
||
|
|
__CLC_GENTYPE r = fmin(x - *iptr, MIN_CONSTANT);
|
||
|
|
r = isinf(x) ? ZERO : r;
|
||
|
|
r = isnan(x) ? x : r;
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#define FRACT_DEF(addrspace) \
|
||
|
|
_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE fract(__CLC_GENTYPE x, addrspace __CLC_GENTYPE *iptr) { \
|
||
|
|
__CLC_GENTYPE private_iptr; \
|
||
|
|
__CLC_GENTYPE ret = fract(x, &private_iptr); \
|
||
|
|
*iptr = private_iptr; \
|
||
|
|
return ret; \
|
||
|
|
}
|
||
|
|
|
||
|
|
FRACT_DEF(local);
|
||
|
|
FRACT_DEF(global);
|
||
|
|
|
||
|
|
#undef MIN_CONSTANT
|
||
|
|
#undef ZERO
|