def visit_MathNode(self, math_node):
"Translate a nodes.MathNode to an intrinsic or libc math call"
from numba.type_inference.modules import mathmodule
lowerable = is_math_function([math_node.arg], math_node.py_func)
if math_node.type.is_array or not lowerable:
# Generate a Python call
assert math_node.py_func is not None
result = nodes.call_pyfunc(math_node.py_func, [math_node.arg])
result = result.coerce(math_node.type)
else:
# Lower to intrinsic or libc math call
args = [math_node.arg], math_node.py_func, math_node.type
if is_intrinsic(math_node.py_func):
result = resolve_intrinsic(*args)
else:
result = resolve_libc_math(*args)
return self.visit(result)
def visit_MathNode(self, math_node):
"Translate a nodes.MathNode to an intrinsic or libc math call"
from numba.type_inference.modules import mathmodule
lowerable = is_math_function([math_node.arg], math_node.py_func)
if math_node.type.is_array or not lowerable:
# Generate a Python call
assert math_node.py_func is not None
result = nodes.call_pyfunc(math_node.py_func, [math_node.arg])
result = result.coerce(math_node.type)
else:
# Lower to intrinsic or libc math call
args = [math_node.arg], math_node.py_func, math_node.type
if is_intrinsic(math_node.py_func):
result = resolve_intrinsic(*args)
else:
result = resolve_libc_math(*args)
return self.visit(result)
def _resolve_abs(self, func, node, argtype):
is_math = is_math_function(node.args, abs)
# TODO: generate efficient inline code
if is_math and argtype.is_float:
return resolve_math_call(node, abs)
elif is_math and argtype.is_int:
if argtype.signed:
type = promote_closest(self.context, argtype, [long_, longlong])
funcs = {long_: 'labs', longlong: 'llabs'}
return function_util.external_call(
self.context,
self.llvm_module,
funcs[type],
args=[node.args[0]])
else:
# abs() on unsigned integral value
return node.args[0]
return None
def _resolve_abs(self, func, node, argtype):
is_math = is_math_function(node.args, abs)
# TODO: generate efficient inline code
if is_math and argtype.is_float:
return resolve_math_call(node, abs)
elif is_math and argtype.is_int:
if argtype.signed:
type = promote_closest(self.context, argtype,
[long_, longlong])
funcs = {long_: 'labs', longlong: 'llabs'}
return function_util.external_call(self.context,
self.llvm_module,
funcs[type],
args=[node.args[0]])
else:
# abs() on unsigned integral value
return node.args[0]
return None
def _resolve_round(self, func, node, argtype):
if is_math_function(node.args, round):
# round() always returns a float
return resolve_math_call(node, round)
return None
def _resolve_round(self, func, node, argtype):
if is_math_function(node.args, round):
# round() always returns a float
return resolve_math_call(node, round)
return None