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116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
#ifndef GRID_MATH_ARITH_ADD_H
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#define GRID_MATH_ARITH_ADD_H
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namespace Grid {
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////// ADD ///////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// ADD is simple for now; cannot mix types and straightforward template
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// Scalar +/- Scalar
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// Vector +/- Vector
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// Matrix +/- Matrix
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template<class vtype,class ltype,class rtype> strong_inline void add(iScalar<vtype> * __restrict__ ret,
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const iScalar<ltype> * __restrict__ lhs,
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const iScalar<rtype> * __restrict__ rhs)
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{
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add(&ret->_internal,&lhs->_internal,&rhs->_internal);
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}
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template<class vtype,class ltype,class rtype,int N> strong_inline void add(iVector<vtype,N> * __restrict__ ret,
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const iVector<ltype,N> * __restrict__ lhs,
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const iVector<rtype,N> * __restrict__ rhs)
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{
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for(int c=0;c<N;c++){
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ret->_internal[c]=lhs->_internal[c]+rhs->_internal[c];
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}
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return;
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}
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template<class vtype,class ltype,class rtype, int N> strong_inline void add(iMatrix<vtype,N> * __restrict__ ret,
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const iMatrix<ltype,N> * __restrict__ lhs,
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const iMatrix<rtype,N> * __restrict__ rhs)
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{
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for(int c2=0;c2<N;c2++){
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for(int c1=0;c1<N;c1++){
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add(&ret->_internal[c1][c2],&lhs->_internal[c1][c2],&rhs->_internal[c1][c2]);
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}}
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return;
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}
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template<class vtype,class ltype,class rtype, int N> strong_inline void add(iMatrix<vtype,N> * __restrict__ ret,
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const iScalar<ltype> * __restrict__ lhs,
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const iMatrix<rtype,N> * __restrict__ rhs)
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{
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for(int c2=0;c2<N;c2++){
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for(int c1=0;c1<N;c1++){
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add(&ret->_internal[c1][c2],&lhs->_internal,&rhs->_internal[c1][c2]);
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}}
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return;
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}
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template<class vtype,class ltype,class rtype, int N> strong_inline void add(iMatrix<vtype,N> * __restrict__ ret,
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const iMatrix<ltype,N> * __restrict__ lhs,
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const iScalar<rtype> * __restrict__ rhs)
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{
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for(int c2=0;c2<N;c2++){
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for(int c1=0;c1<N;c1++){
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if ( c1==c2)
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add(&ret->_internal[c1][c2],&lhs->_internal[c1][c2],&rhs->_internal);
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else
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ret->_internal[c1][c2]=lhs->_internal[c1][c2];
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}}
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return;
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}
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// + operator for scalar, vector, matrix
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template<class ltype,class rtype>
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//strong_inline auto operator + (iScalar<ltype>& lhs,iScalar<rtype>&& rhs) -> iScalar<decltype(lhs._internal + rhs._internal)>
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strong_inline auto operator + (const iScalar<ltype>& lhs,const iScalar<rtype>& rhs) -> iScalar<decltype(lhs._internal + rhs._internal)>
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{
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typedef iScalar<decltype(lhs._internal+rhs._internal)> ret_t;
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ret_t ret;
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add(&ret,&lhs,&rhs);
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return ret;
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}
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template<class ltype,class rtype,int N>
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strong_inline auto operator + (const iVector<ltype,N>& lhs,const iVector<rtype,N>& rhs) ->iVector<decltype(lhs._internal[0]+rhs._internal[0]),N>
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{
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typedef iVector<decltype(lhs._internal[0]+rhs._internal[0]),N> ret_t;
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ret_t ret;
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add(&ret,&lhs,&rhs);
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return ret;
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}
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template<class ltype,class rtype,int N>
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strong_inline auto operator + (const iMatrix<ltype,N>& lhs,const iMatrix<rtype,N>& rhs) ->iMatrix<decltype(lhs._internal[0][0]+rhs._internal[0][0]),N>
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{
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typedef iMatrix<decltype(lhs._internal[0][0]+rhs._internal[0][0]),N> ret_t;
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ret_t ret;
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add(&ret,&lhs,&rhs);
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return ret;
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}
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template<class ltype,class rtype,int N>
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strong_inline auto operator + (const iScalar<ltype>& lhs,const iMatrix<rtype,N>& rhs)->iMatrix<decltype(lhs._internal+rhs._internal[0][0]),N>
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{
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typedef iMatrix<decltype(lhs._internal+rhs._internal[0][0]),N> ret_t;
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ret_t ret;
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add(&ret,&lhs,&rhs);
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return ret;
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}
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template<class ltype,class rtype,int N>
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strong_inline auto operator + (const iMatrix<ltype,N>& lhs,const iScalar<rtype>& rhs)->iMatrix<decltype(lhs._internal[0][0]+rhs._internal),N>
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{
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typedef iMatrix<decltype(lhs._internal[0][0]+rhs._internal),N> ret_t;
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ret_t ret;
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add(&ret,&lhs,&rhs);
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return ret;
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}
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}
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#endif
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