derek.holloway
7502bf64a4
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42 lines
1.6 KiB
C++
42 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#if __CLC_FPSIZE == 64
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#define MIN_CONSTANT 0x1.fffffffffffffp-1
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#elif __CLC_FPSIZE == 32
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#define MIN_CONSTANT 0x1.fffffep-1f
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#elif __CLC_FPSIZE == 16
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#define MIN_CONSTANT 0x1.ffcp-1h
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#endif
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_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __clc_fract(__CLC_GENTYPE x,
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private __CLC_GENTYPE *iptr) {
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*iptr = __clc_floor(x);
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__CLC_GENTYPE sub = x - *iptr;
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__CLC_GENTYPE r = sub >= MIN_CONSTANT ? MIN_CONSTANT : sub;
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r = __clc_isinf(x) ? __CLC_FP_LIT(0.0) : r;
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return r;
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}
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#define __CLC_FRACT_DEF(addrspace) \
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_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __clc_fract( \
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__CLC_GENTYPE x, addrspace __CLC_GENTYPE *iptr) { \
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__CLC_GENTYPE private_iptr; \
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__CLC_GENTYPE ret = __clc_fract(x, &private_iptr); \
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*iptr = private_iptr; \
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return ret; \
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}
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__CLC_FRACT_DEF(local);
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__CLC_FRACT_DEF(global);
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#if _CLC_DISTINCT_GENERIC_AS_SUPPORTED
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__CLC_FRACT_DEF(generic);
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#endif
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#undef MIN_CONSTANT
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