diff options
| -rw-r--r-- | src/hdf5-file.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/hdf5-file.c b/src/hdf5-file.c index a3e7d21b..4ec11e75 100644 --- a/src/hdf5-file.c +++ b/src/hdf5-file.c @@ -297,6 +297,7 @@ static double get_wavelength(struct hdfile *f) H5Dclose(dh); if ( r < 0 ) return -1.0; + if ( isnan(lambda) ) return -1.0; /* Convert nm -> m */ if ( nm ) return lambda / 1.0e9; |