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erf |
Portability: | UNIX compatible |
SYNOPSIS | |
DESCRIPTION | |
RETURN VALUE | |
EXAMPLE | |
RELATED FUNCTIONS | |
SEE ALSO |
SYNOPSIS |
#include <lcmath.h> double erf(double x);
DESCRIPTION |
erf
computes the error function of its argument
x
. The value returned by
erf
is defined
by this equation:
RETURN VALUE |
erf
returns the error function of its argument.
EXAMPLE |
This example computes the error function
using
erf
:
#include <stdio.h> #include <lcmath.h> #define SVECTOR .7854 main() { double erfv; erfv = erf(SVECTOR); printf("erf(%f) = %f\n", SVECTOR, erfv); }
RELATED FUNCTIONS |
SEE ALSO |
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