77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/*
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Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef SIMD_MINMAX_H
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#define SIMD_MINMAX_H
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#include "btScalar.h"
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template <class T>
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SIMD_FORCE_INLINE const T& btMin(const T& a, const T& b) {
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return b < a ? b : a;
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}
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template <class T>
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SIMD_FORCE_INLINE const T& btMax(const T& a, const T& b) {
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return a < b ? b : a;
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}
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template <class T>
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SIMD_FORCE_INLINE void btSetMin(T& a, const T& b) {
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if (a > b) a = b;
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}
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template <class T>
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SIMD_FORCE_INLINE void btSetMax(T& a, const T& b) {
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if (a < b) a = b;
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}
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// Specialize on float/double for platforms that have btFsel natively
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#ifdef BT_HAVE_NATIVE_FSEL
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SIMD_FORCE_INLINE float btMin( float a, float b) {
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return (float)btFsel((a-b), b, a);
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}
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SIMD_FORCE_INLINE float btMax( float a, float b) {
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return (float)btFsel((a-b), a, b);
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}
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SIMD_FORCE_INLINE void btSetMin(float& a, float b) {
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a = (float)btFsel((a-b), b, a);
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}
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SIMD_FORCE_INLINE void btSetMax(float& a, float b) {
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a = (float)btFsel((a-b), a, b);
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}
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SIMD_FORCE_INLINE double btMin( double a, double b) {
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return btFsel((a-b), b, a);
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}
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SIMD_FORCE_INLINE double btMax( double a, double b) {
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return btFsel((a-b), a, b);
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}
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SIMD_FORCE_INLINE void btSetMin(double& a, double b) {
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a = btFsel((a-b), b, a);
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}
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SIMD_FORCE_INLINE void btSetMax(double& a, double b) {
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a = btFsel((a-b), a, b);
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}
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#endif
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#endif
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