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Implement modf math builtin 

V2: use the reference implementation as suggested by Matt Arsenault

Patch By: Pavel Ondračka

llvm-svn: 258933
This commit is contained in:
Tom Stellard 2016-01-27 14:52:10 +00:00
parent a249f50970
commit 37d19875fa
6 changed files with 120 additions and 0 deletions
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1
libclc/generic/include/clc/clc.h
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@ -67,6 +67,7 @@
#include <clc/math/log1p.h>
#include <clc/math/log2.h>
#include <clc/math/mad.h>
#include <clc/math/modf.h>
#include <clc/math/nextafter.h>
#include <clc/math/pow.h>
#include <clc/math/pown.h>

24
libclc/generic/include/clc/math/modf.h Normal file
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@ -0,0 +1,24 @@
/*
* Copyright (c) 2014 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.
*/
#define __CLC_BODY <clc/math/modf.inc>
#include <clc/math/gentype.inc>

25
libclc/generic/include/clc/math/modf.inc Normal file
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@ -0,0 +1,25 @@
/*
* Copyright (c) 2014, 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.
*/
_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE modf(__CLC_GENTYPE x, global __CLC_GENTYPE *iptr);
_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE modf(__CLC_GENTYPE x, local __CLC_GENTYPE *iptr);
_CLC_OVERLOAD _CLC_DECL __CLC_GENTYPE modf(__CLC_GENTYPE x, private __CLC_GENTYPE *iptr);

1
libclc/generic/lib/SOURCES
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@ -96,6 +96,7 @@ math/log10.cl
math/log1p.cl
math/log2.cl
math/mad.cl
math/modf.cl
math/native_log.cl
math/native_log2.cl
math/tables.cl

32
libclc/generic/lib/math/modf.cl Normal file
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@ -0,0 +1,32 @@
/*
* 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.
*/
#include <clc/clc.h>
#include "math.h"
#ifdef cl_khr_fp64
#pragma OPENCL EXTENSION cl_khr_fp64 : enable
#endif
#define __CLC_BODY <modf.inc>
#include <clc/math/gentype.inc>

37
libclc/generic/lib/math/modf.inc Normal file
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@ -0,0 +1,37 @@
/*
* 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.
*/
_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE modf(__CLC_GENTYPE x, __CLC_GENTYPE *iptr) {
*iptr = trunc(x);
return copysign(isinf(x) ? 0.0f : x - *iptr, x);
}
#define MODF_DEF(addrspace) \
_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE modf(__CLC_GENTYPE x, addrspace __CLC_GENTYPE *iptr) { \
__CLC_GENTYPE private_iptr; \
__CLC_GENTYPE ret = modf(x, &private_iptr); \
*iptr = private_iptr; \
return ret; \
}
MODF_DEF(local);
MODF_DEF(global);