sunos man page for erf

Query: erf

OS: sunos

Section: 3m

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

erf(3M) 						  Mathematical Library Functions						   erf(3M)

NAME
erf, erff, erfl - error function
SYNOPSIS
cc [ flag... ] file... -lm [ library... ] #include <math.h> double erf(double x); float erff(float x); long double erfl(long double x);
DESCRIPTION
These functions compute the error function of their argument x, defined as: 2/sqrt(pi)(**|integral from 0 to x of exp(-t(**t) dt Equation that computes error function of x.
RETURN VALUES
Upon successful completion, these functions return the value of the error function. If x is NaN, a NaN is returned. If x is +-0, +-0 is returned. If x is +-Inf, +-1 is returned. If x is subnormal, 2/sqrt() * 2 is returned.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+
SEE ALSO
erfc(3M), feclearexcept(3M), fetestexcept(3M), isnan(3M), math.h(3HEAD), attributes(5), standards(5) SunOS 5.10 1 Nov 2003 erf(3M)
Related Man Pages
erfl(3) - suse
erf(3m) - sunos
erfcf(3m) - opensolaris
erfcl(3m) - opensolaris
erfl(3m) - opensolaris
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