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-rw-r--r--dmagick/c/compare.d3
1 files changed, 2 insertions, 1 deletions
diff --git a/dmagick/c/compare.d b/dmagick/c/compare.d
index dfa0617..b42ed20 100644
--- a/dmagick/c/compare.d
+++ b/dmagick/c/compare.d
@@ -19,7 +19,8 @@ extern(C)
PeakSignalToNoiseRatioMetric,
RootMeanSquaredErrorMetric,
NormalizedCrossCorrelationErrorMetric,
- FuzzErrorMetric
+ FuzzErrorMetric,
+ UndefinedErrorMetric = 0
}
double* GetImageChannelDistortions(Image*, const(Image)*, const MetricType, ExceptionInfo*);