io.py 文件源码

def b2t(tb, n=1e2, logger=None, **kwargs):
    tb = np.array(tb)
    if isinstance(tb, type(1.1)):
        return a2t(b2a(tb))
    if tb.shape == ():
        return a2t(b2a(tb))
    if len(tb) < n:
        n = len(tb)
    tbs = -1.*np.logspace(np.log10(-tb.min()),
                          np.log10(-tb.max()), n)
    ages = []
    for i, tbi in enumerate(tbs):
        ages += a2t(b2a(tbi)),
        if logger:
            logger(i)
    ages = np.array(ages)
    return tbs, ages