etc/octaspire_easing_amalgamated.c
double octaspire_easing_out_cubic(double t, double const b, double const c, double const d)
{
    t = (t / d) - 1;
    return c * (pow(t,3) + 1) + b;
}
// cubic easing out - decelerating to zero velocity
cubic easing out - decelerating to zero velocity
cubic easing out - decelerating to zero velocity
double octaspire_easing_out_cubic(double t, double const b, double const c, double const d)
{
    t = (t / d) - 1;
    return c * (pow(t,3) + 1) + b;
}
double octaspire_easing_out_cubic ( double t , double const b , double const c , double const d ) { t = ( t / d ) - 1 ; return c * ( pow ( t , 3 ) + 1 ) + b ; }
cubic easing out - decelerating to zero velocity
cubic easing out - decelerating to zero velocity