0340fa389a69f1aa28b45a37599ac8b8353efd26,labs/sequences/log_domain.py,,safe_log,#Any#,10

Before Change

def safe_log(x):
    if x == 0:
        return logzero()
    return np.log(x)
    
def logsum_pair(logx, logy):
    """
    Return log(x+y), avoiding arithmetic underflow/overflow.

After Change

//    return -np.inf

def safe_log(x):
    y       = np.zeros(x.shape)	+ logzero()
    y[x>0]  = np.log(x[x>0]) 
    return y
    
def logsum_pair(logx, logy):
    """
    Return log(x+y), avoiding arithmetic underflow/overflow.

Instances