diff options
| -rw-r--r-- | Lib/whrandom.py | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/Lib/whrandom.py b/Lib/whrandom.py index 7317b44..8ed39c9 100644 --- a/Lib/whrandom.py +++ b/Lib/whrandom.py @@ -35,24 +35,24 @@ class whrandom: # Without arguments, initialize from current time. # With arguments (x, y, z), initialize from them. # - def __init__(self, x = None, y = None, z = None): - if x is None: - # Initialize from current time - import time - t = int(time.time() % 0x80000000) - t, x = divmod(t, 256) - t, y = divmod(t, 256) - t, z = divmod(t, 256) + def __init__(self, x = 0, y = 0, z = 0): self.seed(x, y, z) # # Set the seed from (x, y, z). # These must be integers in the range [0, 256). # - def seed(self, x, y, z): + def seed(self, x = 0, y = 0, z = 0): if not type(x) == type(y) == type(z) == type(0): raise TypeError, 'seeds must be integers' if not 0 <= x < 256 and 0 <= y < 256 and 0 <= z < 256: raise ValueError, 'seeds must be in range(0, 256)' + if 0 == x == y == z: + # Initialize from current time + import time + t = int(time.time() % 0x80000000) + t, x = divmod(t, 256) + t, y = divmod(t, 256) + t, z = divmod(t, 256) self._seed = (x, y, z) # # Get the next random number in the range [0.0, 1.0). |