91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
#ifndef _matdiv_n_
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#define _matdiv_n_
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#include "./utils/matrix.h"
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#include "./core/omp_config.h"
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namespace numerics{
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template <typename T>
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utils::Matrix<T> matdiv(const utils::Matrix<T>& A, const utils::Vector<T>& b, std::string method){
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utils::Matrix<T> C = A;
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if (method == "row"){
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for (uint64_t i = 0; i < A.rows(); ++i){
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for (uint64_t j = 0; j < A.cols(); ++j){
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C(i,j) /= b[j];
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}
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}
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}else if (method == "col"){
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for (uint64_t i = 0; i < A.rows(); ++i){
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for (uint64_t j = 0; j < A.cols(); ++j){
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C(i,j) /= b[i];
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}
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}
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}else{
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throw std::runtime_error("matdiv: choose div by: 'row' or 'col'");
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}
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return C;
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}
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template <typename T>
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void inplace_matdiv(utils::Matrix<T>& A, const utils::Matrix<T>& B){
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const uint64_t rows = A.rows();
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const uint64_t cols = A.cols();
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if ((rows != B.rows()) || (cols != B.cols())){
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throw std::runtime_error("inplace_matdiv: rows and cols are not the same'");
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}
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for (uint64_t i = 0; i < rows; ++i){
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for (uint64_t j = 0; j < cols; ++j){
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A(i,j) /= B(i,j);
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}
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}
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}
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template <typename T>
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utils::Matrix<T> matdiv(const utils::Matrix<T>& A, const utils::Matrix<T>& B){
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const uint64_t rows = A.rows();
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const uint64_t cols = A.cols();
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if ((rows != B.rows()) || (cols != B.cols())){
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throw std::runtime_error("matdiv: choose div by: 'row' or 'col'");
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}
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utils::Matrix<T> C = A;
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inplace_matdiv(C, B);
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return C;
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}
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template <typename T>
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void inplace_matdiv(utils::Matrix<T>& A, const T b){
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const uint64_t rows = A.rows();
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const uint64_t cols = A.cols();
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for (uint64_t i = 0; i < rows; ++i){
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for (uint64_t j = 0; j < cols; ++j){
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A(i,j) /= b;
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}
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}
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}
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} // namespace numerics
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#endif // _matdiv_n_
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