code changes by Shashikiran Yadalam during FOSSEE Fellowship 2018

1 files changed, 27 insertions, 7 deletions

diff --git a/macros/wrev.sci b/macros/wrev.sci
index a01ed77..343b24c 100644
--- a/macros/wrev.sci
+++ b/macros/wrev.sci
@@ -1,12 +1,25 @@
-function [y]= wrev(x)
+// Copyright (C) 2018 - IIT Bombay - FOSSEE
+//
+// This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution.  The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+// Author:[insert name]
+// Organization: FOSSEE, IIT Bombay
+// Email: toolbox@scilab.in
 
-// Reverses order of elements of input vector
+
+function y = wrev(x)
+
+
+    // Reverses order of elements of input vector
 // Calling Sequence
 //	[y]=wrev(x)
 // Parameters
 //	x: Input vector of string, real or complex values
 // Description
-//	This is an Octave function.
+//	This is an Octave function which is built in scilab.
 //	This function reverses the order of elements of the input vector x.
 // Examples
 // 1.	wrev([1 2 3])
@@ -15,9 +28,16 @@ function [y]= wrev(x)
 //	ans= cba
 
 funcprot(0);
-rhs=argn(2);
-if (rhs~=1) then
-	error("Wrong number of input arguments.")
-else	y=callOctave("wrev",x)
+  if (argn(2)< 1| argn(2) > 1) then
+       error("wrong number of input arguments"); //number of input arguments has to be 1
+       end
+  if(~isvector(x))//checks whether input is a vector
+    error('x must be a vector');
+  end
+  if(type(x)==10 | type(x)==1) then
+  //revers the vector
+  l = size(x,"c");
+  k = 0:l-1;
+  y = x(l-k);
 end
 endfunction