method

cosh

v2_2_9 - Show latest stable - Class: Math

cosh(p1)

public

Computes the hyperbolic cosine of x (expressed in radians).

Domain: (-INFINITY, INFINITY)

Codomain: [1, INFINITY)

Math.cosh(0) #=> 1.0

static VALUE
math_cosh(VALUE obj, VALUE x)
{
    Need_Float(x);
    return DBL2NUM(cosh(RFLOAT_VALUE(x)));
}