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C/C++ Source or Header  |  1996-09-18  |  293 b   |  16 lines
  1. #include "Matrix.h"
  2.  
  3.  
  4. void Matrix::rowexchange(unsigned int r1,unsigned int r2)
  5.     {
  6.     unsigned int i;
  7.     mtrxtype a;
  8.     if(r1 > rows() || r1==0 || r2 > rows() || r2==0) error("bad subscript\n");
  9.     for(i=1;i<=cols();i++)
  10.         {
  11.         a=(*this)(r1,i);
  12.         (*this)(r1,i)=(*this)(r2,i);
  13.         (*this)(r1,i)=a;
  14.         }
  15.     }
  16.