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Do not take logarithm of values <= 0, fixes #5164

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This commit is contained in:
heckflosse
2019-02-06 13:25:57 +01:00
parent 37027e46bd
commit 5ddbefd8c4
1 changed files with 3 additions and 3 deletions
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6
rtengine/EdgePreservingDecomposition.cc
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@@ -894,12 +894,12 @@ void EdgePreservingDecomposition::CompressDynamicRange(float *Source, float Scal
#endif #endif
for(int ii = 0; ii < n - 3; ii += 4) { for(int ii = 0; ii < n - 3; ii += 4) {
_mm_storeu_ps( &Source[ii], xlogf(LVFU(Source[ii]) + epsv)); _mm_storeu_ps( &Source[ii], xlogf(vmaxf(LVFU(Source[ii]), ZEROV) + epsv));
} }
} }
for(int ii = n - (n % 4); ii < n; ii++) { for(int ii = n - (n % 4); ii < n; ii++) {
Source[ii] = xlogf(Source[ii] + eps); Source[ii] = xlogf(std::max(Source[ii], 0.f) + eps);
} }
#else #else
@@ -908,7 +908,7 @@ void EdgePreservingDecomposition::CompressDynamicRange(float *Source, float Scal
#endif #endif
for(int ii = 0; ii < n; ii++) { for(int ii = 0; ii < n; ii++) {
Source[ii] = xlogf(Source[ii] + eps); Source[ii] = xlogf(std::max(Source[ii], 0.f) + eps);
} }
#endif #endif