LOG1P(3) Linux Programmer's Manual LOG1P(3)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.
DESCRIPTIONlog1p(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 long double variants are C99 requirements.
SEE ALSOexp(3), expm1(3), log(3)
2002-07-27 LOG1P(3)