cosh ( x -- y )
Factor handbook » The language » Numbers » Mathematical functions » Trigonometric and hyperbolic functions

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Vocabulary
math.functions

Inputs and outputs

x	a number
y	a number

Word description
Hyperbolic cosine.

Definition

IN: math.functions

GENERIC: cosh ( x -- y ) foldable flushable

Methods

USING: kernel math math.functions math.libm ;

M: complex cosh
    >float-rect
    [ [ fcosh ] [ fcos ] bi* * ] [ [ fsinh ] [ fsin ] bi* * ]
    2bi rect> ;


USING: math math.functions math.libm ;

M: float cosh fcosh ; inline


USING: math math.functions ;

M: real cosh >float cosh ; inline