Produces a triple output from a single float input. The single float **input** is copied to each channel. If float **inputR**, **inputG**, **inputB** are connected, then those will be convert to a color instead @parameters
input: The float to convert to a triple.
inputR: The float to place in the R component of resultRGB
inputG: The float to place in the G component of resultRGB
inputB: The float to place in the B component of resultRGB