[Digikam-devel] [Bug 169814] compilation error: no exp2()

[Andi Clemens]

http://bugs.kde.org/show_bug.cgi?id=169814





--- Comment #2 from Andi Clemens <andi clemens gmx net>  2008-08-25 23:14:16 ---
SVN commit 852440 by aclemens:

compile

 M  +2 -2      dmetadata.cpp  


--- trunk/extragear/graphics/digikam/libs/dmetadata/dmetadata.cpp
#852439:852440
@@ -1208,7 +1208,7 @@
         return 22;
     else if (aperture == 10.0)
         return 32;
-    return exp2(aperture / 2.0);
+    return exp(log(2) * aperture / 2.0);
 }

 double DMetadata::apexShutterSpeedToExposureTime(double shutterSpeed)
@@ -1254,7 +1254,7 @@
     else if (shutterSpeed == 13.0)
         return 0.000125; // 1/8000

-    return exp2( - shutterSpeed);
+    return exp( - log(2) * shutterSpeed);
 }

 /**


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