COSH(3) BSD Programmer's Manual COSH(3)NAME
cosh, coshf - hyperbolic cosine function
LIBRARY
libm
SYNOPSIS
#include <math.h>
double
cosh(double x);
float
coshf(float x);
DESCRIPTION
The cosh() and coshf() functions compute the hyperbolic cosine of x.
RETURN VALUES
If the magnitude of x is too large, cosh(x) and coshf(x) return Inf and
sets the global variable errno to ERANGE.
SEE ALSOacos(3), asin(3), atan(3), atan2(3), cos(3), math(3), sin(3), sinh(3),
tan(3), tanh(3)STANDARDS
The cosh() function conforms to ANSI X3.159-1989 ("ANSI C").
MirOS BSD #10-current May 2, 1991 1