huwcampbell.com
Reactos
[CRT] Add round and roundf and add it to msvcrtex to make clang v14 happy
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sdk/include/crt/math.h
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sdk/include/crt/math.h
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_Check_return_ long lrintl(_In_ long double x);
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#pragma function(lrint, lrintf, lrintl)
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#endif
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#ifndef _CRTBLD
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_Check_return_ __CRT_INLINE double round(_In_ double x) { return (x < 0) ? ceil(x - 0.5f) : floor(x + 0.5); }
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_Check_return_ __CRT_INLINE float roundf(_In_ float x) { return (x < 0) ? ceilf(x - 0.5f) : floorf(x + 0.5); }
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_Check_return_ __CRT_INLINE long double roundl(_In_ long double x) { return (x < 0) ? ceill(x - 0.5f) : floorl(x + 0.5); }
···
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_Check_return_ __CRT_INLINE long long llrintf(_In_ float x) { return (long long)((x < 0) ? (x - 0.5f) : (x + 0.5)); }
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_Check_return_ __CRT_INLINE long long llrintl(_In_ long double x) { return (long long)((x < 0) ? (x - 0.5f) : (x + 0.5)); }
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_Check_return_ __CRT_INLINE double log2(_In_ double x) { return log(x) / log(2); }
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#endif /* !_CRTBLD */
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#ifndef NO_OLDNAMES /* !__STDC__ */
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sdk/lib/crt/math/round.c
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sdk/lib/crt/math/round.c
···
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/*
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* COPYRIGHT: BSD - See COPYING.ARM in the top level directory
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* PROJECT: ReactOS CRT library
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* PURPOSE: Portable implementation of round
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* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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*/
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#include <math.h>
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double round(double arg)
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{
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if (arg < 0.0)
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return ceil(arg - 0.5);
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else
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return floor(arg + 0.5);
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}
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sdk/lib/crt/math/roundf.c
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sdk/lib/crt/math/roundf.c
···
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/*
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* COPYRIGHT: BSD - See COPYING.ARM in the top level directory
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* PROJECT: ReactOS CRT library
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* PURPOSE: Portable implementation of roundf
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* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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*/
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#include <math.h>
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float roundf(float arg)
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{
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if (arg < 0.0)
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return ceilf(arg - 0.5);
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else
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return floorf(arg + 0.5);
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}