>Psychtoolbox>PsychGamma

output = InvertGammaExtP(x,input)

Invert the gamma table using an extended power function.
See Brainard, Pelli, & Robson (2001).

Parameter x are the function parameters as returned
by FitGamma/FitGammaExtP. See ComputeGammaExtP.

Parameter maxInput is the maximum device input
value (typically 1).

8/7/00 dhb Wrote it.
6/5/10 dhb Update for OS/X assumption of input values as real’s in [0-1]