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log transform: Fix segfault

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This commit is contained in:
Ingo Weyrich 2020-01-03 11:35:20 +01:00
parent 49d594f67a
commit e07ff4032b
1 changed files with 3 additions and 10 deletions
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13
rtengine/iptransform.cc
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@ -1217,15 +1217,7 @@ void ImProcFunctions::transformLCPCAOnly(Imagefloat *original, Imagefloat *trans
assert(pLCPMap && params->lensProf.useCA && pLCPMap->isCACorrectionAvailable());
const bool useLog = params->commonTrans.method == "log";
float** chOrig[3];
chOrig[0] = original->r.ptrs;
chOrig[1] = original->g.ptrs;
chOrig[2] = original->b.ptrs;
float** chTrans[3];
chTrans[0] = transformed->r.ptrs;
chTrans[1] = transformed->g.ptrs;
chTrans[2] = transformed->b.ptrs;
float** chTrans[3] = {transformed->r.ptrs, transformed->g.ptrs, transformed->b.ptrs};
std::unique_ptr<Imagefloat> tempLog;
if (useLog) {
@ -1237,6 +1229,7 @@ void ImProcFunctions::transformLCPCAOnly(Imagefloat *original, Imagefloat *trans
logEncode(original, original, multiThread);
}
}
float** chOrig[3] = {original->r.ptrs, original->g.ptrs, original->b.ptrs};
#ifdef _OPENMP
#pragma omp parallel for if (multiThread)
@ -1276,7 +1269,7 @@ void ImProcFunctions::transformLCPCAOnly(Imagefloat *original, Imagefloat *trans
if (!useLog) {
chTrans[c][y][x] = (chOrig[c][y1][x1] * (1.0 - Dx) * (1.0 - Dy) + chOrig[c][y1][x2] * Dx * (1.0 - Dy) + chOrig[c][y2][x1] * (1.0 - Dx) * Dy + chOrig[c][y2][x2] * Dx * Dy);
} else {
chTrans[c][y][x] = (chOrig[c][y1][x1] * (1.0 - Dx) * (1.0 - Dy) + chOrig[c][y1][x2] * Dx * (1.0 - Dy) + chOrig[c][y2][x1] * (1.0 - Dx) * Dy + chOrig[c][y2][x2] * Dx * Dy);
chTrans[c][y][x] = xexpf(chOrig[c][y1][x1] * (1.0 - Dx) * (1.0 - Dy) + chOrig[c][y1][x2] * Dx * (1.0 - Dy) + chOrig[c][y2][x1] * (1.0 - Dx) * Dy + chOrig[c][y2][x2] * Dx * Dy);
}
}
} else {