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-rw-r--r--macros/modulate.sci1
1 files changed, 1 insertions, 0 deletions
diff --git a/macros/modulate.sci b/macros/modulate.sci
index bbce31a..03117ae 100644
--- a/macros/modulate.sci
+++ b/macros/modulate.sci
@@ -52,6 +52,7 @@ function [y,t]=modulate(x,fc,fs,method,opt)
// 1. 1. 0. 0.
//Author
//Ankur Mallick
+
funcprot(0);
if (argn(2)<3|argn(2)>5) then
error('Incorrect number of input arguments.');