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revision 1.20.2.17, Sat Jan 25 22:51:20 2003 UTC revision 1.20.2.18, Sun Jan 26 05:09:00 2003 UTC
# Line 942  Line 942 
942  float sse_to_PSNR(long sse, int pixels)  float sse_to_PSNR(long sse, int pixels)
943  {  {
944          if (sse==0)          if (sse==0)
945                  return 99.99;                  return 99.99F;
946    
947          return 48.131 - 10*log10((float)sse/(float)(pixels));   // log10(255*255)=4.8131          return 48.131F - 10*(float)log10((float)sse/(float)(pixels));   // log10(255*255)=4.8131
948    
949  }  }
950    

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