Files
clang-p2996/libclc/clc/lib/generic/math/clc_fract.inc
Fraser Cormack 78d95cc544 [libclc] Move fract to the CLC library (#137785)
The builtin was already vectorized so there's no difference to codegen
for non-SPIR-V targets.
2025-04-29 13:58:13 +01:00

39 lines
1.5 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#if __CLC_FPSIZE == 64
#define MIN_CONSTANT 0x1.fffffffffffffp-1
#elif __CLC_FPSIZE == 32
#define MIN_CONSTANT 0x1.fffffep-1f
#elif __CLC_FPSIZE == 16
#define MIN_CONSTANT 0x1.ffcp-1h
#endif
_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __clc_fract(__CLC_GENTYPE x,
private __CLC_GENTYPE *iptr) {
*iptr = __clc_floor(x);
__CLC_GENTYPE r = __clc_fmin(x - *iptr, MIN_CONSTANT);
r = __clc_isinf(x) ? __CLC_FP_LIT(0.0) : r;
r = __clc_isnan(x) ? x : r;
return r;
}
#define FRACT_DEF(addrspace) \
_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __clc_fract( \
__CLC_GENTYPE x, addrspace __CLC_GENTYPE *iptr) { \
__CLC_GENTYPE private_iptr; \
__CLC_GENTYPE ret = __clc_fract(x, &private_iptr); \
*iptr = private_iptr; \
return ret; \
}
FRACT_DEF(local);
FRACT_DEF(global);
#undef MIN_CONSTANT