#include "nr.h" void NR::slvsml(Mat_O_DP &u, Mat_I_DP &rhs) { int i,j; DP h=0.5; for (i=0;i<3;i++) for (j=0;j<3;j++) u[i][j]=0.0; u[1][1] = -h*h*rhs[1][1]/4.0; }