From f23a2b33ca1bebf0c3a5fa26fdcff11827744b77 Mon Sep 17 00:00:00 2001
From: Marcus D Leech
Date: Sun, 16 May 2010 08:30:03 -0700
Subject: gnuradio-core: allows configuring FFTW to use ESTIMATE vs. MEASURE

---
 gnuradio-core/src/lib/general/gri_fft.cc | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'gnuradio-core/src/lib/general')

diff --git a/gnuradio-core/src/lib/general/gri_fft.cc b/gnuradio-core/src/lib/general/gri_fft.cc
index e535f28c7..1ce14eefd 100644
--- a/gnuradio-core/src/lib/general/gri_fft.cc
+++ b/gnuradio-core/src/lib/general/gri_fft.cc
@@ -28,6 +28,7 @@
 #include <stdio.h>
 #include <cassert>
 #include <stdexcept>
+#include <gr_prefs.h>
 
 
 boost::mutex &
@@ -113,7 +114,9 @@ gri_fft_complex::gri_fft_complex (int fft_size, bool forward)
 			      reinterpret_cast<fftwf_complex *>(d_inbuf), 
 			      reinterpret_cast<fftwf_complex *>(d_outbuf),
 			      forward ? FFTW_FORWARD : FFTW_BACKWARD,
-			      FFTW_MEASURE);
+			      gr_prefs::singleton()->get_bool("fftw", "estimate", false) == true ? FFTW_ESTIMATE
+			      : FFTW_MEASURE);
+
 
   if (d_plan == NULL) {
     fprintf(stderr, "gri_fft_complex: error creating plan\n");
@@ -165,7 +168,8 @@ gri_fft_real_fwd::gri_fft_real_fwd (int fft_size)
   d_plan = fftwf_plan_dft_r2c_1d (fft_size,
 				  d_inbuf,
 				  reinterpret_cast<fftwf_complex *>(d_outbuf),
-				  FFTW_MEASURE);
+				  gr_prefs::singleton()->get_bool("fftw", "estimate", false) == true ? FFTW_ESTIMATE
+			      : FFTW_MEASURE);
 
   if (d_plan == NULL) {
     fprintf(stderr, "gri_fft_real_fwd: error creating plan\n");
-- 
cgit