00001 /* 00002 Copyright (C) 2006, 2007 Sony Computer Entertainment Inc. 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, 00006 with or without modification, are permitted provided that the 00007 following conditions are met: 00008 * Redistributions of source code must retain the above copyright 00009 notice, this list of conditions and the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright 00011 notice, this list of conditions and the following disclaimer in the 00012 documentation and/or other materials provided with the distribution. 00013 * Neither the name of the Sony Computer Entertainment Inc nor the names 00014 of its contributors may be used to endorse or promote products derived 00015 from this software without specific prior written permission. 00016 00017 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #ifndef _VECTORMATH_VECIDX_AOS_H 00031 #define _VECTORMATH_VECIDX_AOS_H 00032 00033 00034 #include "floatInVec.h" 00035 00036 namespace Vectormath { 00037 namespace Aos { 00038 00039 //----------------------------------------------------------------------------- 00040 // VecIdx 00041 // Used in setting elements of Vector3, Vector4, Point3, or Quat with the 00042 // subscripting operator. 00043 // 00044 00045 VM_ATTRIBUTE_ALIGNED_CLASS16 (class) VecIdx 00046 { 00047 private: 00048 __m128 &ref; 00049 int i; 00050 public: 00051 inline VecIdx( __m128& vec, int idx ): ref(vec) { i = idx; } 00052 00053 // implicitly casts to float unless _VECTORMATH_NO_SCALAR_CAST defined 00054 // in which case, implicitly casts to floatInVec, and one must call 00055 // getAsFloat to convert to float. 00056 // 00057 #ifdef _VECTORMATH_NO_SCALAR_CAST 00058 inline operator floatInVec() const; 00059 inline float getAsFloat() const; 00060 #else 00061 inline operator float() const; 00062 #endif 00063 00064 inline float operator =( float scalar ); 00065 inline floatInVec operator =( const floatInVec &scalar ); 00066 inline floatInVec operator =( const VecIdx& scalar ); 00067 inline floatInVec operator *=( float scalar ); 00068 inline floatInVec operator *=( const floatInVec &scalar ); 00069 inline floatInVec operator /=( float scalar ); 00070 inline floatInVec operator /=( const floatInVec &scalar ); 00071 inline floatInVec operator +=( float scalar ); 00072 inline floatInVec operator +=( const floatInVec &scalar ); 00073 inline floatInVec operator -=( float scalar ); 00074 inline floatInVec operator -=( const floatInVec &scalar ); 00075 }; 00076 00077 } // namespace Aos 00078 } // namespace Vectormath 00079 00080 #endif