matrix.sp.v = fortran_matrix_to_c(matrix.r4a.r, rl.i4.v, ru.i4.v, cl.i4.v, cu.i4.v) Maps a floating matrix data in FORTRAN column-major form to a matrix in Numerical Recipes in C form. matrix a FORTRAN matrix passed by address rl,ru,cl,cu upper and lower indices (row and column) of matrix This function returns values as follows: data matrix (structure of type Matrix) This function requires the following include files: ul_physlib_h:physlib_h