Example #1
0
 def is_gray(self):
     return (alltrue(self._lut[:, 0] == self._lut[:, 1])
             and alltrue(self._lut[:, 0] == self._lut[:, 2]))
Example #2
0
 def _is_sorted(self, x):
     "return true if x is sorted"
     if len(x)<2: return 1
     return alltrue(x[1:]-x[0:-1]>=0)
 def is_gray(self):
     return (alltrue(self._lut[:,0] == self._lut[:,1])
                 and alltrue(self._lut[:,0] == self._lut[:,2]))