本文整理汇总了Python中segpy.ibm_float.ieee2ibm函数的典型用法代码示例。如果您正苦于以下问题：Python ieee2ibm函数的具体用法？Python ieee2ibm怎么用？Python ieee2ibm使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了ieee2ibm函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: byte_arrays_of_floats
def byte_arrays_of_floats(draw):
num_items = draw(st.integers(min_value=0, max_value=10))
floats = draw(st.lists(ibm_compatible_floats(),
min_size=num_items,
max_size=num_items))
byte_data = b''.join([ieee2ibm(f) for f in floats])
return (byte_data, num_items)示例2: test_one
def test_one(self):
assert ieee2ibm(1.0) == b'\x41\x10\x00\x00'示例3: test_nan
def test_nan(self):
with self.assertRaises(ValueError):
ieee2ibm(float('nan'))示例4: test_smallest_subnormal
def test_smallest_subnormal(self):
self.assertEqual(ieee2ibm(5.147557589468029e-85), bytes((0x00, 0x00, 0x00, 0x01)))示例5: test_0_1
def test_0_1(self):
# Note, this is different from the Wikipedia example, because the Wikipedia example does
# round to nearest, and our routine does round to zero
self.assertEqual(ieee2ibm(0.1), bytes((0b01000000, 0b00011001, 0b10011001, 0b10011001)))示例6: test_one
def test_one(self):
self.assertEqual(ieee2ibm(1.0), b'\x41\x10\x00\x00')示例7: test_positive_half
def test_positive_half(self):
self.assertEqual(ieee2ibm(-0.5), bytes((0b11000000, 0x80, 0x00, 0x00)))示例8: test_subnormal
def test_subnormal(self):
ibm_start = bytes((0x00, 0x00, 0x00, 0x20))
f = ibm2ieee(ibm_start)
ibm_result = ieee2ibm(f)
self.assertEqual(ibm_start, ibm_result)示例9: test_too_small
def test_too_small(self):
with pytest.raises(OverflowError):
ieee2ibm(MIN_IBM_FLOAT * 10)示例10: test_too_large
def test_too_large(self):
with pytest.raises(OverflowError):
ieee2ibm(MAX_IBM_FLOAT * 10)示例11: test_inf
def test_inf(self):
with pytest.raises(ValueError):
ieee2ibm(float('inf'))示例12: test_nan
def test_nan(self):
with pytest.raises(ValueError):
ieee2ibm(float('nan'))示例13: test_too_small_subnormal
def test_too_small_subnormal(self):
with pytest.raises(FloatingPointError):
ieee2ibm(1e-86)示例14: test_smallest_subnormal
def test_smallest_subnormal(self):
assert ieee2ibm(5.147557589468029e-85) == bytes((0x00, 0x00, 0x00, 0x01))示例15: test_subnormal
def test_subnormal(self):
assert ieee2ibm(1.6472184286297693e-83) == bytes((0x00, 0x00, 0x00, 0x20))