LOG1P
Section: Linux Programmer's Manual (3)
Updated: 2002-07-27
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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
-
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