81 lines
3.1 KiB
C++
81 lines
3.1 KiB
C++
/*
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Copyright (C) 2006, 2007 Sony Computer Entertainment Inc.
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All rights reserved.
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Redistribution and use in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the Sony Computer Entertainment Inc nor the names
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of its contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _VECTORMATH_VECIDX_AOS_H
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#define _VECTORMATH_VECIDX_AOS_H
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#include "floatInVec.h"
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namespace Vectormath {
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namespace Aos {
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//-----------------------------------------------------------------------------
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// VecIdx
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// Used in setting elements of Vector3, Vector4, Point3, or Quat with the
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// subscripting operator.
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//
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VM_ATTRIBUTE_ALIGNED_CLASS16 (class) VecIdx
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{
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private:
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__m128 &ref;
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int i;
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public:
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inline VecIdx( __m128& vec, int idx ): ref(vec) { i = idx; }
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// implicitly casts to float unless _VECTORMATH_NO_SCALAR_CAST defined
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// in which case, implicitly casts to floatInVec, and one must call
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// getAsFloat to convert to float.
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//
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#ifdef _VECTORMATH_NO_SCALAR_CAST
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inline operator floatInVec() const;
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inline float getAsFloat() const;
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#else
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inline operator float() const;
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#endif
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inline float operator =( float scalar );
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inline floatInVec operator =( const floatInVec &scalar );
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inline floatInVec operator =( const VecIdx& scalar );
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inline floatInVec operator *=( float scalar );
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inline floatInVec operator *=( const floatInVec &scalar );
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inline floatInVec operator /=( float scalar );
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inline floatInVec operator /=( const floatInVec &scalar );
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inline floatInVec operator +=( float scalar );
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inline floatInVec operator +=( const floatInVec &scalar );
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inline floatInVec operator -=( float scalar );
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inline floatInVec operator -=( const floatInVec &scalar );
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};
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} // namespace Aos
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} // namespace Vectormath
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#endif
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