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Diffstat (limited to 'host/examples/ascii_art_dft.hpp')
| -rw-r--r-- | host/examples/ascii_art_dft.hpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/host/examples/ascii_art_dft.hpp b/host/examples/ascii_art_dft.hpp index fe411e400..73e627519 100644 --- a/host/examples/ascii_art_dft.hpp +++ b/host/examples/ascii_art_dft.hpp @@ -233,6 +233,10 @@ std::string dft_to_plot(const log_pwr_dft_type& dft_, float dyn_rng, float ref_lvl) { + if (dyn_rng <= 0.0) { + throw std::runtime_error("dyn_rng must be greater than zero in dft_to_plot"); + } + frame_type frame(width, height); // fill this frame // re-order the dft so dc in in the center |