diff options
| -rw-r--r-- | fg21sim/configs/checkers.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fg21sim/configs/checkers.py b/fg21sim/configs/checkers.py index e225234..0788443 100644 --- a/fg21sim/configs/checkers.py +++ b/fg21sim/configs/checkers.py @@ -44,6 +44,30 @@ def _check_existence(configs, keys): return results +def _is_power2(n): + """Check a number whether a power of 2""" + # Credit: https://stackoverflow.com/a/29489026/4856091 + return (n and not (n & (n-1))) + + +def check_common(configs): + """Check the "[common]" section of the configurations.""" + results = {} + # "common/nside" must be a power of 2 + key = "common/nside" + if not _is_power2(configs.getn(key)): + results[key] = "not a power of 2" + # "common/lmax" must be greater than "common/lmin" + key = "common/lmax" + if configs.getn(key) <= configs.getn("common/lmin"): + results[key] = "not greater than 'common/lmin'" + # Check enabled components + key = "common/components" + if len(configs.getn(key)) == 0: + results[key] = "no components enabled/selected" + return results + + def check_frequency(configs): """Check the "[frequency]" section of the configurations.""" results = {} @@ -121,6 +145,7 @@ def check_galactic_snr(configs): # Available checkers to validate the configurations _CHECKERS = [ + check_common, check_frequency, check_output, check_galactic_synchrotron, |