DMRG_spin_model/functions.h at master · nkphys/DMRG_spin_model · GitHub

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#include "tensor_type.h"

double dot_product(Mat_1_doub vec1, Mat_1_doub vec2);
DOUBLE_MKL_CSR_MAT CSR_MAT_TO_MKL_SPARSE(DOUBLE_CSR_MAT mat1 );
void Sum(Matrix_COO A, Matrix_COO B, Matrix_COO & temp);
Matrix_COO Sum(Matrix_COO A, Matrix_COO B);
void Sum(Matrix_COO A, Matrix_COO B, Matrix_COO & temp, double value1, double value2);
Matrix_COO Sum(Matrix_COO A, Matrix_COO B, double value1, double value2);
Matrix_COO Direct_Sum(Matrix_COO A, Matrix_COO B);
void Direct_Sum(Matrix_COO A, Matrix_COO B, Matrix_COO & temp);
Matrix_COO Direct_Product(Matrix_COO A, Matrix_COO B);
Matrix_COO Direct_Product_push_back(Matrix_COO A, Matrix_COO B);
void Direct_Product(Matrix_COO A, Matrix_COO B, Matrix_COO & temp);
void Printing_COO_Matrix(Matrix_COO A);
Matrix_COO Identity(int N);
void Add_FC(int c, int r, Matrix_COO temp, Matrix_COO & mat, double sgn, double thop);
void write(Matrix_COO A, ofstream & outputfile);
void write(Mat_2_doub A, ofstream & outputfile);