Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!pilchuck!dataio!bright
From: bright@Data-IO.COM (Walter Bright)
Newsgroups: comp.lang.c
Subject: Re: Help with function
Keywords: abs(), strtod(), don't work
Message-ID: <2284@dataio.Data-IO.COM>
Date: 8 Jan 90 20:03:43 GMT
References: <3198@cbnewsj.ATT.COM>
Reply-To: bright@dataio.Data-IO.COM (Walter Bright)
Distribution: na
Organization: Data I/O Corporation; Redmond, WA
Lines: 15

In article <3198@cbnewsj.ATT.COM> veenu@cbnewsj.ATT.COM (veenu.r.rashid) writes:
<	On the compiler I'm using, abs() and strtol() seem to generate incorrect
<or at least inaccurate results.  I'm using the following code:
<main(int argc, char *argv[])
<{	double temp;
<	temp = strtod(argv[1]);		/* get the argument as a double	*/
<	printf("Absolute value of %g is %g\n", temp, abs(temp));
<}

Errors:
	You need the double abs which is called fabs().
	You need to #include:
		#include <stdio.h>	/* for printf	*/
		#include <math.h>	/* for fabs	*/
		#include <stdlib.h>	/* for strtod	*/