From 895bc2040982831cd38e2df4e29ae448f4efcbde Mon Sep 17 00:00:00 2001
From: ha7ilm <retzlerandras@gmail.com>
Date: Fri, 20 Nov 2015 08:21:09 +0100
Subject: [PATCH] Fixed fastddc_fwd_cc :-)

---
 csdr.c                     |  3 ++-
 grc_tests/test_fastddc.grc | 43 +++++++++++++++++++++++++++++++-------
 2 files changed, 37 insertions(+), 9 deletions(-)

diff --git a/csdr.c b/csdr.c
index 0e02ceb..4d2fc25 100644
--- a/csdr.c
+++ b/csdr.c
@@ -1684,9 +1684,10 @@ int main(int argc, char *argv[])
 		{
 			FEOF_CHECK;
 			//overlapped FFT
-			for(int i=0;i<ddc.overlap_length;i++) input[i]=input[i+ddc.overlap_length];
+			for(int i=0;i<ddc.overlap_length;i++) input[i]=input[i+ddc.input_size];
 			fread(input+ddc.overlap_length, sizeof(complexf), ddc.input_size, stdin);
 			apply_window_c(input,windowed,ddc.fft_size,window);
+			//memcpy(windowed, input, ddc.fft_size*sizeof(complexf)); //we can switch off windows
 			fft_execute(plan);
 			fwrite(output, sizeof(complexf), ddc.fft_size, stdout);
 			TRY_YIELD;
diff --git a/grc_tests/test_fastddc.grc b/grc_tests/test_fastddc.grc
index 79d064f..099e75b 100644
--- a/grc_tests/test_fastddc.grc
+++ b/grc_tests/test_fastddc.grc
@@ -69,6 +69,33 @@
       <value></value>
     </param>
   </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>comment</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(128, 179)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+    <param>
+      <key>id</key>
+      <value>decimation</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>4</value>
+    </param>
+  </block>
   <block>
     <key>variable_slider</key>
     <param>
@@ -238,7 +265,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(424, 59)</value>
+      <value>(424, 235)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -281,7 +308,7 @@
     </param>
     <param>
       <key>commandline</key>
-      <value>csdr fastddc_fwd_cc 10 | csdr fastddc_inv_cc 10 0.1</value>
+      <value>csdr fastddc_fwd_cc 4 | csdr fastddc_inv_cc 4 0.1</value>
     </param>
     <param>
       <key>comment</key>
@@ -297,7 +324,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(584, 59)</value>
+      <value>(616, 235)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -403,7 +430,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(936, 155)</value>
+      <value>(952, 155)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -439,7 +466,7 @@
     </param>
     <param>
       <key>samp_rate</key>
-      <value>samp_rate</value>
+      <value>samp_rate/decimation</value>
     </param>
     <param>
       <key>title</key>
@@ -494,7 +521,7 @@
     </param>
     <param>
       <key>_enabled</key>
-      <value>True</value>
+      <value>1</value>
     </param>
     <param>
       <key>fft_size</key>
@@ -506,7 +533,7 @@
     </param>
     <param>
       <key>_coordinate</key>
-      <value>(936, 371)</value>
+      <value>(616, 379)</value>
     </param>
     <param>
       <key>_rotation</key>
@@ -617,7 +644,7 @@
     </param>
     <param>
       <key>samp_rate</key>
-      <value>samp_rate</value>
+      <value>samp_rate/decimation</value>
     </param>
     <param>
       <key>t_scale</key>