--- a
+++ b/combinedDeepLearningActiveContour/minFunc/isLegal.m
@@ -0,0 +1,2 @@
+function [legal] = isLegal(v)
+legal = sum(any(imag(v(:))))==0 & sum(isnan(v(:)))==0 & sum(isinf(v(:)))==0;
\ No newline at end of file