4.4BSD/usr/src/old/lib2648/newmat.c

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/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
static char sccsid[] = "@(#)newmat.c	5.1 (Berkeley) 4/26/85";
#endif not lint

/*
 * newmat: return a brand new bitmat with the proper size.
 * To get rid of it just call free.
 */

#include "bit.h"

bitmat
newmat(rows, cols)
int rows, cols;
{
	int size = ((cols + 7) >> 3) * rows;
	char *m;

#ifdef TRACE
	if (size <= 0 && trace) {
		fprintf(trace, "newmat: rows=%d, cols=%d\n", rows, cols);
		abort();
	}
	if (trace)
		fprintf(trace, "newmat: malloc(%d) =", size);
#endif
	m = (char *) malloc(size);
#ifdef TRACE
	if (trace)
		fprintf(trace, "%x\n", m);
#endif
	zermat(m, rows, cols);
	return (m);
}