added commandline parser

1 files changed, 30 insertions, 0 deletions

diff --git a/tools/matrixIO.h b/tools/matrixIO.h
new file mode 100644
index 0000000..88cd419
--- /dev/null
+++ b/tools/matrixIO.h
@@ -0,0 +1,30 @@
+#ifndef MATIO_H
+#define MATIO_H
+
+#include<iostream>
+
+namespace Eigen{
+    template<class Matrix>
+    void write_stream(std::ostream &ostr, const Matrix& matrix){
+        typename Matrix::Index rows=matrix.rows(), cols=matrix.cols();
+        ostr<<rows<<" "<<cols<<std::endl;
+        for (int r=0;r<rows;++r)
+        {
+            for (int c=0;c<cols;++c)
+                ostr<<matrix(r,c)<<" ";
+            ostr<<std::endl;
+        }
+    }
+    template<class Matrix>
+    void read_stream(std::istream &istr, Matrix& matrix){
+        typename Matrix::Index rows=0, cols=0;
+        istr>>rows>>cols;
+        matrix.resize(rows, cols);
+        for (int r=0;r<rows;++r)
+            for (int c=0;c<cols;++c)
+                istr>>matrix(r,c);
+    }
+} // Eigen::
+
+
+#endif
\ No newline at end of file