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104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
/*
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* Math functions
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*
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* Copyright 2021 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <math.h>
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#include <float.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "ntdll_misc.h"
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double math_error( int type, const char *name, double arg1, double arg2, double retval )
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{
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return retval;
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}
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/*********************************************************************
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* abs (NTDLL.@)
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*/
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int CDECL abs( int i )
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{
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return i >= 0 ? i : -i;
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}
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#if (defined(__GNUC__) || defined(__clang__)) && defined(__i386__)
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#define FPU_DOUBLE(var) double var; \
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__asm__ __volatile__( "fstpl %0;fwait" : "=m" (var) : )
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#define FPU_DOUBLES(var1,var2) double var1,var2; \
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__asm__ __volatile__( "fstpl %0;fwait" : "=m" (var2) : ); \
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__asm__ __volatile__( "fstpl %0;fwait" : "=m" (var1) : )
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/*********************************************************************
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* _CIcos (NTDLL.@)
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*/
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double CDECL _CIcos(void)
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{
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FPU_DOUBLE(x);
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return cos(x);
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}
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/*********************************************************************
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* _CIlog (NTDLL.@)
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*/
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double CDECL _CIlog(void)
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{
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FPU_DOUBLE(x);
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return log(x);
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}
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/*********************************************************************
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* _CIpow (NTDLL.@)
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*/
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double CDECL _CIpow(void)
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{
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FPU_DOUBLES(x,y);
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return pow(x,y);
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}
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/*********************************************************************
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* _CIsin (NTDLL.@)
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*/
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double CDECL _CIsin(void)
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{
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FPU_DOUBLE(x);
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return sin(x);
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}
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/*********************************************************************
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* _CIsqrt (NTDLL.@)
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*/
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double CDECL _CIsqrt(void)
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{
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FPU_DOUBLE(x);
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return sqrt(x);
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}
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/*********************************************************************
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* _ftol (NTDLL.@)
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*/
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LONGLONG CDECL _ftol(void)
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{
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FPU_DOUBLE(x);
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return (LONGLONG)x;
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}
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#endif /* (defined(__GNUC__) || defined(__clang__)) && defined(__i386__) */
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