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|
import py
from pypy.module.micronumpy.compile import (numpy_compile, Assignment,
ArrayConstant, NumberConstant, Operator, Variable, RangeConstant, Execute,
FunctionCall, FakeSpace, W_NDimArray)
class TestCompiler(object):
def compile(self, code):
return numpy_compile(code)
def test_vars(self):
code = """
a = 2
b = 3
"""
interp = self.compile(code)
assert isinstance(interp.code.statements[0], Assignment)
assert interp.code.statements[0].name == 'a'
assert interp.code.statements[0].expr.v == 2
assert interp.code.statements[1].name == 'b'
assert interp.code.statements[1].expr.v == 3
def test_array_literal(self):
code = "a = [1,2,3]"
interp = self.compile(code)
assert isinstance(interp.code.statements[0].expr, ArrayConstant)
st = interp.code.statements[0]
assert st.expr.items == [NumberConstant(1), NumberConstant(2),
NumberConstant(3)]
def test_array_literal2(self):
code = "a = [[1],[2],[3]]"
interp = self.compile(code)
assert isinstance(interp.code.statements[0].expr, ArrayConstant)
st = interp.code.statements[0]
assert st.expr.items == [ArrayConstant([NumberConstant(1)]),
ArrayConstant([NumberConstant(2)]),
ArrayConstant([NumberConstant(3)])]
def test_expr_1(self):
code = "b = a + 1"
interp = self.compile(code)
assert (interp.code.statements[0].expr ==
Operator(Variable("a"), "+", NumberConstant(1)))
def test_expr_2(self):
code = "b = a + b - 3"
interp = self.compile(code)
assert (interp.code.statements[0].expr ==
Operator(Operator(Variable("a"), "+", Variable("b")), "-",
NumberConstant(3)))
def test_expr_3(self):
# an equivalent of range
code = "a = |20|"
interp = self.compile(code)
assert interp.code.statements[0].expr == RangeConstant(20)
def test_expr_only(self):
code = "3 + a"
interp = self.compile(code)
assert interp.code.statements[0] == Execute(
Operator(NumberConstant(3), "+", Variable("a")))
def test_array_access(self):
code = "a -> 3"
interp = self.compile(code)
assert interp.code.statements[0] == Execute(
Operator(Variable("a"), "->", NumberConstant(3)))
def test_function_call(self):
code = "sum(a)"
interp = self.compile(code)
assert interp.code.statements[0] == Execute(
FunctionCall("sum", [Variable("a")]))
def test_comment(self):
code = """
# some comment
a = b + 3 # another comment
"""
interp = self.compile(code)
assert interp.code.statements[0] == Assignment(
'a', Operator(Variable('b'), "+", NumberConstant(3)))
class TestRunner(object):
def run(self, code):
interp = numpy_compile(code)
space = FakeSpace()
interp.run(space)
return interp
def test_one(self):
code = """
a = 3
b = 4
a + b
"""
interp = self.run(code)
assert sorted(interp.variables.keys()) == ['a', 'b']
assert interp.results[0]
def test_array_add(self):
code = """
a = [1,2,3,4]
b = [4,5,6,5]
c = a + b
c -> 3
"""
interp = self.run(code)
assert interp.results[-1].value == 9
def test_array_getitem(self):
code = """
a = [1,2,3,4]
b = [4,5,6,5]
a + b -> 3
"""
interp = self.run(code)
assert interp.results[0].value == 3 + 6
def test_range_getitem(self):
code = """
r = |20| + 3
r -> 3
"""
interp = self.run(code)
assert interp.results[0].value == 6
def test_sum(self):
code = """
a = [1,2,3,4,5]
r = sum(a)
r
"""
interp = self.run(code)
assert interp.results[0].get_scalar_value().value == 15
def test_sum2(self):
code = """
a = |30|
b = a + a
sum(b)
"""
interp = self.run(code)
assert interp.results[0].get_scalar_value().value == 30 * (30 - 1)
def test_array_write(self):
code = """
a = [1,2,3,4,5]
a[3] = 15
a -> 3
"""
interp = self.run(code)
assert interp.results[0].value == 15
def test_min(self):
interp = self.run("""
a = |30|
a[15] = -12
b = a + a
min(b)
""")
assert interp.results[0].get_scalar_value().value == -24
def test_max(self):
interp = self.run("""
a = |30|
a[13] = 128
b = a + a
max(b)
""")
assert interp.results[0].get_scalar_value().value == 256
def test_slice(self):
interp = self.run("""
a = [1,2,3,4]
b = a -> :
b -> 3
""")
assert interp.results[0].value == 4
def test_slice_step(self):
interp = self.run("""
a = |30|
b = a -> ::2
b -> 3
""")
assert interp.results[0].value == 6
def test_setslice(self):
interp = self.run("""
a = |30|
b = |10|
b[1] = 5
a[::3] = b
a -> 3
""")
assert interp.results[0].value == 5
def test_slice2(self):
interp = self.run("""
a = |30|
s1 = a -> 0:20:2
s2 = a -> 0:30:3
b = s1 + s2
b -> 3
""")
assert interp.results[0].value == 15
def test_multidim_getitem(self):
interp = self.run("""
a = [[1,2]]
a -> 0 -> 1
""")
assert interp.results[0].value == 2
def test_multidim_getitem_2(self):
interp = self.run("""
a = [[1, 2], [3, 4], [5, 6], [7, 8], [9, 10]]
b = a + a
b -> 1 -> 1
""")
assert interp.results[0].value == 8
def test_set_slice(self):
interp = self.run("""
a = |30|
b = |30|
b[:] = a + a
b -> 3
""")
assert interp.results[0].value == 6
def test_set_slice2(self):
interp = self.run("""
a = |30|
b = |10|
b[1] = 5.5
c = b + b
a[0:30:3] = c
a -> 3
""")
assert interp.results[0].value == 11
def test_dot(self):
interp = self.run("""
a = [[1, 2], [3, 4]]
b = [[5, 6], [7, 8]]
c = dot(a, b)
c -> 0 -> 0
""")
assert interp.results[0].value == 19
def test_flat_iter(self):
interp = self.run('''
a = |30|
b = flat(a)
b -> 3
''')
assert interp.results[0].value == 3
def test_take(self):
py.test.skip("unsupported")
interp = self.run("""
a = |10|
b = take(a, [1, 1, 3, 2])
b -> 2
""")
assert interp.results[0].value == 3
def test_any(self):
interp = self.run("""
a = [0,0,0,0,0.1,0,0,0,0]
b = any(a)
b -> 0
""")
assert interp.results[0].value == 1
def test_where(self):
interp = self.run('''
a = [1, 0, 3, 0]
b = [1, 1, 1, 1]
c = [0, 0, 0, 0]
d = where(a, b, c)
d -> 1
''')
assert interp.results[0].value == 0
def test_complex(self):
interp = self.run('''
a = (0, 1)
b = [(0, 1), (1, 0)]
b -> 0
''')
assert interp.results[0].real == 0
assert interp.results[0].imag == 1
def test_view_none(self):
interp = self.run('''
a = [1, 0, 3, 0]
b = None
c = view(a, b)
c -> 0
''')
assert interp.results[0].value == 1
def test_view_ndarray(self):
interp = self.run('''
a = [1, 0, 3, 0]
b = ndarray
c = view(a, b)
c
''')
results = interp.results[0]
assert isinstance(results, W_NDimArray)
def test_view_dtype(self):
interp = self.run('''
a = [1, 0, 3, 0]
b = int
c = view(a, b)
c
''')
results = interp.results[0]
assert isinstance(results, W_NDimArray)
def test_astype_dtype(self):
interp = self.run('''
a = [1, 0, 3, 0]
b = int
c = astype(a, b)
c
''')
results = interp.results[0]
assert isinstance(results, W_NDimArray)
assert results.get_dtype().is_int()
def test_searchsorted(self):
interp = self.run('''
a = [1, 4, 5, 6, 9]
b = |30| -> ::-1
c = searchsorted(a, b)
c -> -1
''')
assert interp.results[0].value == 0
|
