return (this.dimensions().rows == matrix.dimensions().rows && this.dimensions().cols == matrix.dimensions().cols); 
return (this.rows() == matrix.rows() && this.cols() == matrix.cols()); 
    this.isSameSizeAs = function(matrix) {      matrix = Matrix.create(matrix);      return (this.dimensions().rows == matrix.dimensions().rows &&          this.dimensions().cols == matrix.dimensions().cols);    };
3123	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3123/5342f77e527065daffa19bf795180e4a4cdb069b/jsmetric.src.js/clean/jsmetric.src.js