COSH(3) BSD Library Functions Manual COSH(3)

NAME
     ccoosshh - hyperbolic cosine function

SYNOPSIS
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     double
     ccoosshh(double x);

     long double
     ccoosshhll(long double x);

     float
     ccoosshhff(float x);

DESCRIPTION
     The ccoosshhff() function computes the hyperbolic cosine of x.

SSPPEECCIIAALL VVAALLUUEESS
     ccoosshh(+-0) returns 1.

     ccoosshh(+-infinity) returns +infinity.

SEE ALSO
     acos(3), asin(3), atan(3), atan2(3), cos(3), sin(3), sinh(3), tan(3),
     tanh(3), math(3)

STANDARDS     The ccoosshh() function conforms to ISO/IEC 9899:1999(E).

BSD                            November 20, 2002                           BSD