ngspice/src/misc/printnum.c

31 lines
608 B
C

/**********
Copyright 1990 Regents of the University of California. All rights reserved.
Author: 1985 Wayne A. Christopher, U. C. Berkeley CAD Group
Modified: 2001 Paolo Nenzi
**********/
/* Paolo Nenzi 2001: printnum does not returns static data anymore.
* It is up to the caller to allocate space for strings.
*/
#include "ngspice.h"
#include "printnum.h"
#include <stdio.h>
int cp_numdgt = -1;
void printnum(char *buf, double num)
{
int n;
if (cp_numdgt > 1)
n = cp_numdgt;
else
n = 6;
if (num < 0.0)
n--;
(void) sprintf(buf, "%.*e", n, num);
}