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Fix PSNR formula.

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This commit is contained in:
castano 2007-07-17 01:53:56 +00:00
parent bfb4c39a3d
commit cc5bb56f3f
1 changed files with 1 additions and 1 deletions
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2
src/nvimage/nvtt/tools/imgdiff.cpp
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@ -85,7 +85,7 @@ struct Error
mabse /= samples; mabse /= samples;
mse /= samples; mse /= samples;
rmse = sqrt(mse); rmse = sqrt(mse);
psnr = (rmse == 0) ? 999.0f : 20.0f * log10(32767.0 / rmse); psnr = (rmse == 0) ? 999.0f : 20.0f * log10(255.0 / rmse);
} }
void print() void print()