dolphin/Source/Core/Common/Src/MathUtil.h

// Copyright (C) 2003-2008 Dolphin Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/

#ifndef _MATH_UTIL_H
#define _MATH_UTIL_H

#include <xmmintrin.h>

/*
   There are two different flavors of float to int conversion:
   _mm_cvtps_epi32() and _mm_cvttps_epi32(). The first rounds
   according to the MXCSR rounding bits. The second one always
   uses round towards zero.
 */

inline float pow2f(float x) {return x * x;}
inline double pow2(double x) {return x * x;}

void SaveSSEState();
void LoadSSEState();
void LoadDefaultSSEState();

#endif