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-rw-r--r--gnuradio-core/src/lib/general/gri_fft.cc8
1 files changed, 6 insertions, 2 deletions
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");