#ifndef GRID_MATRIX_UTILS_H #define GRID_MATRIX_UTILS_H namespace Grid { namespace MatrixUtils { template inline void Size(Matrix& A,int &N,int &M){ N=A.size(); assert(N>0); M=A[0].size(); for(int i=0;i inline void SizeSquare(Matrix& A,int &N) { int M; Size(A,N,M); assert(N==M); } template inline void Fill(Matrix& A,T & val) { int N,M; Size(A,N,M); for(int i=0;i inline void Diagonal(Matrix& A,T & val) { int N; SizeSquare(A,N); for(int i=0;i inline void Identity(Matrix& A) { Fill(A,0.0); Diagonal(A,1.0); } }; } #endif