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https://gitea.wildfiregames.com/0ad/0ad
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383cf7b220
use intrinsics for cpu_AtomicAdd and cpu_CAS, get rid of the corresponding assembly implementations. (wrapper functions are necessary at work because mere declarations aren't enough to export the functions from DLL) also remove no longer needed fminf This was SVN commit r8521.
110 lines
2.4 KiB
C++
110 lines
2.4 KiB
C++
/* Copyright (c) 2010 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "precompiled.h"
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#include "lib/posix/posix.h"
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#if ARCH_IA32
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# include "lib/sysdep/arch/ia32/ia32_asm.h"
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#endif
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#if !HAVE_C99_MATH
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float rintf(float f)
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{
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#if ARCH_IA32
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return ia32_asm_rintf(f);
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#else
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return (float)(int)f;
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#endif
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}
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double rint(double d)
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{
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#if ARCH_IA32
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return ia32_asm_rint(d);
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#else
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return (double)(int)d;
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#endif
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}
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size_t fpclassifyd(double d)
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{
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#if ARCH_IA32
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return ia32_asm_fpclassifyd(d);
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#else
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// really sucky stub implementation; doesn't attempt to cover all cases.
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if(d != d)
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return FP_NAN;
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else
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return FP_NORMAL;
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#endif
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}
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size_t fpclassifyf(float f)
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{
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#if ARCH_IA32
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return ia32_asm_fpclassifyf(f);
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#else
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const double d = (double)f;
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return fpclassifyd(d);
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#endif
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}
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#endif // #if !HAVE_C99_MATH
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#if EMULATE_WCSDUP
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wchar_t* wcsdup(const wchar_t* str)
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{
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const size_t num_chars = wcslen(str);
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wchar_t* dst = (wchar_t*)malloc((num_chars+1)*sizeof(wchar_t)); // note: wcsdup is required to use malloc
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if(!dst)
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return 0;
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wcscpy_s(dst, num_chars+1, str);
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return dst;
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}
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#endif
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#if EMULATE_WCSCASECMP
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int wcscasecmp (const wchar_t* s1, const wchar_t* s2)
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{
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wint_t a1, a2;
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if (s1 == s2)
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return 0;
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do
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{
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a1 = towlower(*s1++);
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a2 = towlower(*s2++);
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if (a1 == L'\0')
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break;
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}
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while (a1 == a2);
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return a1 - a2;
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}
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#endif
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