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Replace all x^(1/3) with std::cbrt(x)

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This commit is contained in:
heckflosse
2016-02-25 16:50:21 +01:00
parent bf66671a6d
commit 1b220543f3
6 changed files with 38 additions and 37 deletions
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14
rtengine/demosaic_algos.cc
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@@ -90,17 +90,17 @@ void RawImageSource::eahd_demosaic ()
threshold = (int)(0.008856 * MAXVALD);
for (int i = 0; i < maxindex; i++) {
cache[i] = exp(1.0 / 3.0 * log(double(i) / MAXVALD));
cache[i] = std::cbrt(double(i) / MAXVALD);
}
// end of cielab preparation
const JaggedArray<float>
rh (W, 3), gh (W, 4), bh (W, 3),
rv (W, 3), gv (W, 4), bv (W, 3),
lLh (W, 3), lah (W, 3), lbh (W, 3),
lLv (W, 3), lav (W, 3), lbv (W, 3),
homh (W, 3), homv (W, 3);
rh (W, 3), gh (W, 4), bh (W, 3),
rv (W, 3), gv (W, 4), bv (W, 3),
lLh (W, 3), lah (W, 3), lbh (W, 3),
lLv (W, 3), lav (W, 3), lbv (W, 3),
homh (W, 3), homv (W, 3);
// interpolate first two lines
interpolate_row_g (gh[0], gv[0], 0);
@@ -2703,7 +2703,7 @@ void RawImageSource::ahd_demosaic(int winx, int winy, int winw, int winh)
for (i = 0; i < 0x10000; i++) {
r = (double)i / 65535.0;
cbrt[i] = r > 0.008856 ? pow(r, 0.333333333) : 7.787 * r + 16 / 116.0;
cbrt[i] = r > 0.008856 ? std::cbrt(r) : 7.787 * r + 16 / 116.0;
}
for (i = 0; i < 3; i++)