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

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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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9
rtengine/rawimagesource.cc
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@@ -1422,6 +1422,7 @@ SSEFUNCTION int RawImageSource::findHotDeadPixels( PixelsMap &bpMap, float thres
}
#else
// 25 fabs function calls and 25 float additions without SSE
for (int mm = rr - 2; mm <= rr + 2; mm++) {
for (int nn = cc - 2; nn <= cc + 2; nn++) {
@@ -4209,14 +4210,14 @@ void RawImageSource::HLRecovery_CIELab (float* rin, float* gin, float* bin, floa
float go = min(g, maxval);
float bo = min(b, maxval);
float yy = xyz_cam[1][0] * r + xyz_cam[1][1] * g + xyz_cam[1][2] * b;
float fy = (yy < 65535.0 ? Color::cachef[yy] / 327.68 : (exp(log(yy / MAXVALD) / 3.0 )));
float fy = (yy < 65535.0 ? Color::cachef[yy] / 327.68 : std::cbrt(yy / MAXVALD));
// compute LCH decompostion of the clipped pixel (only color information, thus C and H will be used)
float x = xyz_cam[0][0] * ro + xyz_cam[0][1] * go + xyz_cam[0][2] * bo;
float y = xyz_cam[1][0] * ro + xyz_cam[1][1] * go + xyz_cam[1][2] * bo;
float z = xyz_cam[2][0] * ro + xyz_cam[2][1] * go + xyz_cam[2][2] * bo;
x = (x < 65535.0 ? Color::cachef[x] / 327.68 : (exp(log(x / MAXVALD) / 3.0 )));
y = (y < 65535.0 ? Color::cachef[y] / 327.68 : (exp(log(y / MAXVALD) / 3.0 )));
z = (z < 65535.0 ? Color::cachef[z] / 327.68 : (exp(log(z / MAXVALD) / 3.0 )));
x = (x < 65535.0 ? Color::cachef[x] / 327.68 : std::cbrt(x / MAXVALD));
y = (y < 65535.0 ? Color::cachef[y] / 327.68 : std::cbrt(y / MAXVALD));
z = (z < 65535.0 ? Color::cachef[z] / 327.68 : std::cbrt(z / MAXVALD));
// convert back to rgb
double fz = fy - y + z;
double fx = fy + x - y;