/*
- Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
-#include <cmath>
#include "gamma_lut.h"
#include "lut_cache.h"
+#include <cmath>
-using namespace libdcp;
+using namespace dcp;
LUTCache<GammaLUT> GammaLUT::cache;
-GammaLUT::GammaLUT(int bits, float gamma)
- : LUT<float> (bits, gamma)
+GammaLUT::GammaLUT (int bit_depth, float gamma)
+ : _bit_depth (bit_depth)
+ , _gamma (gamma)
{
- int const bit_length = pow(2, bits);
+ _lut = new float[int(std::pow(2.0f, _bit_depth))];
+ int const bit_length = pow (2, _bit_depth);
for (int i = 0; i < bit_length; ++i) {
_lut[i] = pow(float(i) / (bit_length - 1), gamma);
}