Image convolution: Difference between revisions

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@@ Line 294: / Line 294: @@
 pure nothrow in {
     assert(im !is null);
-    assert(!isnan(filter.divisor) && !isnan(filter.offset_));
+    assert(!filter.divisor.isNaN && !filter.offset_.isNaN);
     assert(filter.divisor != 0);
     assert(filter.kernel.length > 0 && filter.kernel[0].length > 0);