DonKarlssonSan

// Hyperboloc functions by toneburst from 
// https://machinesdontcare.wordpress.com/2008/03/10/glsl-cosh-sinh-tanh/
// These are missing in GLSL 1.10 and 1.20, uncomment if you need them 

/*
/// COSH Function (Hyperbolic Cosine)
float cosh(float val)
{
    float tmp = exp(val);
    float cosH = (tmp + 1.0 / tmp) / 2.0;