tridimensional color transformation in CIE XYZ inspired by Steve Yedlin
first written by calvinsilly for Nuke, then ported to Fusion by EmberLightVFX and now to DCTL by xavijulez
https://github.com/calvinsilly/Tetrahedral-Interpolation
https://github.com/EmberLightVFX/Tetrahedral-Interpolation-for-Fusion