[Commit-gnuradio] [gnuradio] 04/07: Fix abs block to work no matter the input type; addresses issue #660.

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jcorgan pushed a commit to branch maint
in repository gnuradio.

commit 4e553afe7d5639fb54e886da0bf732772f22e77a
Author: Michael Dickens <address@hidden>
Date:   Tue Mar 25 12:55:48 2014 -0400

    Fix abs block to work no matter the input type; addresses issue #660.
---
 gr-blocks/lib/abs_XX_impl.cc.t | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/gr-blocks/lib/abs_XX_impl.cc.t b/gr-blocks/lib/abs_XX_impl.cc.t
index 2a701ad..6bb9f14 100644
--- a/gr-blocks/lib/abs_XX_impl.cc.t
+++ b/gr-blocks/lib/abs_XX_impl.cc.t
@@ -51,10 +51,12 @@ namespace gr {
     {
       @I_TYPE@ *iptr = (@I_TYPE@ *) input_items[0];
       @O_TYPE@ *optr = (@O_TYPE@ *) output_items[0];
-      
-      for(int i=0; i<noutput_items; i++)
-        optr[i] = abs(iptr[i]);
-      
+
+      for(int i=0; i<noutput_items; i++) {
+        @I_TYPE@ val = iptr[i];
+        optr[i] = ((val < ((@I_TYPE@)0)) ? -val : val);
+      }
+
       return noutput_items;
     }