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31 lines
886 B
C
31 lines
886 B
C
/*
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* PROJECT: ReactOS CRT library
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: Implementation of _controlfp_s (adapted from wine msvcrt/math.c)
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* COPYRIGHT: Copyright 2000 Jon Griffiths
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* Copyright 2010 Piotr Caban
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* Copyright 2021 Roman Masanin <36927roma@gmail.com>
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*/
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#include <precomp.h>
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#include <float.h>
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#ifdef _M_ARM
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#define INVALID_MASK ~(_MCW_EM | _MCW_RC | _MCW_DN)
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#else
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#define INVALID_MASK ~(_MCW_EM | _MCW_IC | _MCW_RC | _MCW_PC | _MCW_DN)
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#endif
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int CDECL _controlfp_s(unsigned int* cur, unsigned int newval, unsigned int mask)
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{
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unsigned int val;
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if (!MSVCRT_CHECK_PMT((newval & mask & INVALID_MASK) == 0))
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{
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if (cur) *cur = _controlfp(0, 0); /* retrieve it anyway */
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return EINVAL;
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}
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val = _controlfp(newval, mask);
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if (cur) *cur = val;
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return 0;
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}
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