def test_it_writes_a_float64_to_buffer(self, space):
w_float64_type = ffitype.FloatRWStrategy(ffitype.FLOAT64)
data = lltype.malloc(rffi.CCHARP.TO, 8, flavor='raw')
w_f = space.newfloat(1e-12)
w_float64_type.write(space, data, w_f)
raw_res = misc.read_raw_float_data(data, 8)
assert raw_res == 1e-12
lltype.free(data, flavor='raw')
def test_it_writes_a_float32_to_buffer(self, space):
w_float32_type = ffitype.FloatRWStrategy(ffitype.FLOAT32)
data = lltype.malloc(rffi.CCHARP.TO, 4, flavor='raw')
w_f = space.newfloat(3.75)
w_float32_type.write(space, data, w_f)
raw_res = misc.read_raw_float_data(data, 4)
assert raw_res == 3.75
lltype.free(data, flavor='raw')
def test_it_writes_a_float64_to_buffer(self, space):
w_float64_type = ffitype.FloatRWStrategy(ffitype.FLOAT64)
data = lltype.malloc(rffi.CCHARP.TO, 8, flavor='raw')
w_f = space.newfloat(1e-12)
w_float64_type.write(space, data, w_f)
raw_res = misc.read_raw_float_data(data, 8)
assert raw_res == 1e-12
lltype.free(data, flavor='raw')
def test_it_writes_a_float32_to_buffer(self, space):
w_float32_type = ffitype.FloatRWStrategy(ffitype.FLOAT32)
data = lltype.malloc(rffi.CCHARP.TO, 4, flavor='raw')
w_f = space.newfloat(3.75)
w_float32_type.write(space, data, w_f)
raw_res = misc.read_raw_float_data(data, 4)
assert raw_res == 3.75
lltype.free(data, flavor='raw')
def convert_to_object(self, cdata):
value = misc.read_raw_float_data(cdata, self.size)
return self.space.wrap(value)
def read(self, space, data):
result = misc.read_raw_float_data(data, self.typesize)
return space.newfloat(float(result))
def convert_to_object(self, cdata):
halfsize = self.size >> 1
cdata2 = rffi.ptradd(cdata, halfsize)
real = misc.read_raw_float_data(cdata, halfsize)
imag = misc.read_raw_float_data(cdata2, halfsize)
return self.space.newcomplex(real, imag)
