freebsd man page for acosl

Query: acosl

OS: freebsd

Section: 3

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

ACOS(3) 						   BSD Library Functions Manual 						   ACOS(3)

NAME
acos, acosf, acosl -- arc cosine functions
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h> double acos(double x); float acosf(float x); long double acosl(long double x);
DESCRIPTION
The acos(), acosf(), and acosl() functions compute the principal value of the arc cosine of x.
RETURN VALUES
These functions return the arc cosine in the range [0, pi] radians. If: |x| > 1, acos(x) raises an invalid exception and returns an NaN.
SEE ALSO
asin(3), atan(3), atan2(3), cos(3), cosh(3), fenv(3), math(3), sin(3), sinh(3), tan(3), tanh(3)
STANDARDS
The acos(), acosf(), and acosl() functions conform to ISO/IEC 9899:1999 (``ISO C99'').
BSD
July 31, 2008 BSD
Related Man Pages
acosf(3) - mojave
acosl(3) - mojave
acosf(3) - suse
acosl(3) - suse
acosl(3) - freebsd
Similar Topics in the Unix Linux Community
Unix File Permissions
The Whole Story on #! /usr/bin/ksh
Memory Leaks
Is UNIX an open source OS ?