def intersection(self, o):
if self.is_compatible(o):
svl, svu = Vector(self.lower, smart=True), Vector(self.upper, smart=True)
ovl, ovu = Vector(o.lower, smart=True), Vector(o.upper, smart=True)
return Interval(self.dim, vmax(svl, ovl)[0], vmin(svu, ovu)[0], self.stamp)
else:
return NullInterval(self.dim)
def union(self, o):
if o.is_Null and self.dim is o.dim:
return self._rebuild()
elif self.is_compatible(o):
svl, svu = Vector(self.lower, smart=True), Vector(self.upper, smart=True)
ovl, ovu = Vector(o.lower, smart=True), Vector(o.upper, smart=True)
return Interval(self.dim, vmin(svl, ovl)[0], vmax(svu, ovu)[0], self.stamp)
else:
raise ValueError("Cannot compute union of non-compatible Intervals (%s, %s)" %
(self, o))
def union(self, o):
if o.is_Null and self.dim == o.dim:
return self._rebuild()
elif self.is_compatible(o):
svl, svu = Vector(self.lower, smart=True), Vector(self.upper,
smart=True)
ovl, ovu = Vector(o.lower, smart=True), Vector(o.upper, smart=True)
return Interval(self.dim,
vmin(svl, ovl)[0],
vmax(svu, ovu)[0], self.stamp)
else:
return IntervalGroup([self._rebuild(), o._rebuild()])
