erfcl man page on YellowDog

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ERF(3)			   Linux Programmer's Manual			ERF(3)

NAME
       erf,  erff, erfl, erfc, erfcf, erfcl - error function and complementary
       error function

SYNOPSIS
       #include <math.h>

       double erf(double x);
       float erff(float x);
       long double erfl(long double x);

       double erfc(double x);
       float erfcf(float x);
       long double erfcl(long double x);

       Link with -lm.

DESCRIPTION
       The erf() function returns the error function of x; defined as

       erf(x) = 2/sqrt(pi)* integral from 0 to x of exp(-t*t) dt

       The erfc() function returns the complementary error function of x, that
       is 1.0 - erf(x).

CONFORMING TO
       SVr4, 4.3BSD, C99.  The float and long double variants are requirements
       of C99.

SEE ALSO
       cerf(3), exp(3)

BSD				  2002-07-27				ERF(3)
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