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-rw-r--r--macros/unshiftdata.sci1
1 files changed, 1 insertions, 0 deletions
diff --git a/macros/unshiftdata.sci b/macros/unshiftdata.sci
index 46c3777..08220cc 100644
--- a/macros/unshiftdata.sci
+++ b/macros/unshiftdata.sci
@@ -65,6 +65,7 @@ function y = unshiftdata(x,perm,nshifts)
//shiftdata
//Author
//Ankur Mallick
+
funcprot(0);
if(argn(2)<1|argn(2)<2|(argn(2)<3&size(perm)==0)|argn(2)>3)
error('Incorrect number of input arguments.');