/* * call-seq: * Dvector.read_row(filename, row=1, dvector=nil) -> dvector * * This routine reads a row of numbers from the named file. * The _row_ argument determines which line of the file to read, starting at 1 for the first line. * If the _dvector_ argument is <code>nil</code>, a new Dvector is allocated to hold the row of numbers. * Otherwise, the contents of _dvector_ are replaced by the numbers from the line in the file. * */ VALUE dvector_read_row(int argc, VALUE *argv, VALUE klass) {