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eb0cab140f
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2768 8ced0084-cf51-0410-be5f-012b33b47a6e
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program 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
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _MATH_UTIL_H_
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#define _MATH_UTIL_H_
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#include <xmmintrin.h>
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/*
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There are two different flavors of float to int conversion:
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_mm_cvtps_epi32() and _mm_cvttps_epi32(). The first rounds
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according to the MXCSR rounding bits. The second one always
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uses round towards zero.
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*/
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inline float pow2f(float x) {return x * x;}
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inline double pow2(double x) {return x * x;}
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void SaveSSEState();
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void LoadSSEState();
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void LoadDefaultSSEState();
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#define ROUND_UP(x, a) (((x) + (a) - 1) & ~((a) - 1))
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#endif // _MATH_UTIL_H_
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