From 277d1edfa17bf3719d90ddbac8e31f6181e952c3 Mon Sep 17 00:00:00 2001
From: Sandeep Gupta
Date: Sun, 18 Jun 2017 23:55:40 +0530
Subject: First commit

---
 src/c/signalProcessing/ifft/ir2tx.c | 46 +++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/c/signalProcessing/ifft/ir2tx.c

(limited to 'src/c/signalProcessing/ifft/ir2tx.c')

diff --git a/src/c/signalProcessing/ifft/ir2tx.c b/src/c/signalProcessing/ifft/ir2tx.c
new file mode 100644
index 0000000..6602f77
--- /dev/null
+++ b/src/c/signalProcessing/ifft/ir2tx.c
@@ -0,0 +1,46 @@
+/*
+ * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ * Copyright (C) 2008 - INRIA - Allan SIMON
+ *
+ * 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
+ *
+ */
+
+#include "ifft_internal.h"
+/*
+** radix 2 iteration subroutine
+*/
+void ir2tx(int nthpo, doubleComplex* c0, doubleComplex* c1)
+{
+  int kk;
+ /* double *cr0, *ci0, *cr1, *ci1, r1, fi1;*/
+ doubleComplex temp ;
+
+/*  cr0 = &(c0[0].re);
+  ci0 = &(c0[0].im);
+  cr1 = &(c1[0].re);
+  ci1 = &(c1[0].im);*/
+
+  for(kk=0;kk<nthpo;kk+=2)
+    {
+
+
+    temp   = zadds ( c0[kk] , c1[kk] );
+	c1[kk] = zdiffs( c0[kk] , c1[kk] );
+	c0[kk] = DoubleComplex ( zreals ( temp ) , zimags( temp ));
+/*
+      r1 = cr0[kk] + cr1[kk];
+      cr1[kk] = cr0[kk] - cr1[kk];
+      cr0[kk] = r1;
+
+
+      fi1 = ci0[kk] + ci1[kk];
+      ci1[kk] = ci0[kk] - ci1[kk];
+      ci0[kk] = fi1;
+*/
+    }
+}
-- 
cgit