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Diffstat (limited to 'gr-digital/lib/pfb_clock_sync_ccf_impl.cc')
-rw-r--r--gr-digital/lib/pfb_clock_sync_ccf_impl.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/gr-digital/lib/pfb_clock_sync_ccf_impl.cc b/gr-digital/lib/pfb_clock_sync_ccf_impl.cc
index 60ee02aea5..c8e1221c90 100644
--- a/gr-digital/lib/pfb_clock_sync_ccf_impl.cc
+++ b/gr-digital/lib/pfb_clock_sync_ccf_impl.cc
@@ -308,6 +308,9 @@ namespace gr {
// Normalize the taps
for(unsigned int i = 0; i < difftaps.size(); i++) {
difftaps[i] *= d_nfilters/pwr;
+ if(difftaps[i] != difftaps[i]) {
+ throw std::runtime_error("pfb_clock_sync_ccf::create_diff_taps produced NaN.");
+ }
}
}