def test_promote():
from blaze.expr.graph import IntNode, FloatNode
# ----------------------------------
x,y = IntNode(1), FloatNode(1.)
res = promote(x,y)
# TODO: check if this is platform specific
assert res == blaze.float64
# ----------------------------------
x,y = IntNode(1), IntNode(1)
res = promote(x,y)
assert res == blaze.int32
def test_promote():
from blaze.expr.graph import IntNode, FloatNode
# ----------------------------------
x,y = IntNode(1), FloatNode(1.)
res = promote(x,y)
## TODO: check if this is platform specific
assert res == blaze.float64
## ----------------------------------
x,y = IntNode(1), IntNode(1)
res = promote(x,y)
assert res == blaze.int32
# ----------------------------------
x = NDArray([1,2,3], dshape('3, int32'))
y = NDArray([1,2,3], dshape('3, int32'))
res = promote(x,y)
assert res == blaze.int32
def test_promote():
from blaze.expr.graph import IntNode, FloatNode
# ----------------------------------
x, y = IntNode(1), FloatNode(1.)
res = promote(x, y)
## TODO: check if this is platform specific
assert res == blaze.float64
## ----------------------------------
x, y = IntNode(1), IntNode(1)
res = promote(x, y)
assert res == blaze.int32
# ----------------------------------
x = NDArray([1, 2, 3], dshape('3, int32'))
y = NDArray([1, 2, 3], dshape('3, int32'))
res = promote(x, y)
assert res == blaze.int32
def simple_type(self):
""" If possible determine the datashape before we even
hit eval(). This is possible only for simple types.
Possible::
2, 2, int32
Example Not Possible::
X, 2, int32
"""
# Get the the simple types for each of the operands.
if not all(coretypes.is_simple(op.simple_type()) for op in self.operands if op is not None):
raise NotSimple()
else:
return coretypes.promote(*self.operands)
def simple_type(self):
""" If possible determine the datashape before we even
hit eval(). This is possible only for simple types.
Possible::
2, 2, int32
Example Not Possible::
X, 2, int32
"""
# Get the the simple types for each of the operands.
if not all(
coretypes.is_simple(op.simple_type())
for op in self.operands if op is not None):
raise NotSimple()
else:
return coretypes.promote(*self.operands)
