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LOG1P

Section: Linux Programmer's Manual (3)
Updated: 2002-07-27
Index Return to Main Contents
 

NAME

log1p - logarithm of 1 plus argument  

SYNOPSIS

#include <math.h>

double log1p(double x);

float log1pf(float x);
long double log1pl(long double x);
Compile with -std=c99; link with -lm.  

DESCRIPTION

log1p(x) returns a value equivalent to `log (1 + x)'. It is computed in a way that is accurate even if the value of x is near zero.  

CONFORMING TO

BSD, C99. The float and the long double variants are C99 requirements.  

SEE ALSO

exp(3), expm1(3), log(3)


 

Index

NAME
SYNOPSIS
DESCRIPTION
CONFORMING TO
SEE ALSO

This document was created by man2html, using the manual pages.
Time: 00:12:38 GMT, May 13, 2005





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