GNU/Linux |
CentOS 4.8 |
i386 |
log1p(3) |
log1p − logarithm of 1 plus argument
#include <math.h>
double log1p(double x);
float log1pf(float x);
long double log1pl(long double x);
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.
BSD, C99. The float and the long double variants are C99 requirements.
exp(3), log(3), expm1(3)
log1p(3) |