124 lines
2.2 KiB
Python
124 lines
2.2 KiB
Python
# test basic complex number functionality
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# constructor
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print(complex(1))
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print(complex(1.2))
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print(complex(1.2j))
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print(complex("1"))
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print(complex("1.2"))
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print(complex("1.2j"))
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print(complex(1, 2))
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print(complex(1j, 2j))
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# unary ops
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print(bool(1j))
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print(+(1j))
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print(-(1 + 2j))
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# binary ops
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print(1j + False)
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print(1j + True)
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print(1j + 2)
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print(1j + 2j)
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print(1j - 2)
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print(1j - 2j)
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print(1j * 2)
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print(1j * 2j)
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print(1j / 2)
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print((1j / 2j).real)
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print(1j / (1 + 2j))
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ans = 0j ** 0
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print("%.5g %.5g" % (ans.real, ans.imag))
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ans = 0j ** 1
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print("%.5g %.5g" % (ans.real, ans.imag))
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ans = 0j ** 0j
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print("%.5g %.5g" % (ans.real, ans.imag))
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ans = 1j ** 2.5
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print("%.5g %.5g" % (ans.real, ans.imag))
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ans = 1j ** 2.5j
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print("%.5g %.5g" % (ans.real, ans.imag))
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# comparison
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print(1j == 1)
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print(1j == 1j)
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# comparison of nan is special
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nan = float("nan") * 1j
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print(nan == 1j)
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print(nan == nan)
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# builtin abs
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print(abs(1j))
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print("%.5g" % abs(1j + 2))
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# builtin hash
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print(hash(1 + 0j))
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print(type(hash(1j)))
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# float on lhs should delegate to complex
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print(1.2 + 3j)
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# negative base and fractional power should create a complex
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ans = (-1) ** 2.3
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print("%.5g %.5g" % (ans.real, ans.imag))
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ans = (-1.2) ** -3.4
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print("%.5g %.5g" % (ans.real, ans.imag))
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# check printing of inf/nan
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print(float("nan") * 1j)
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print(float("-nan") * 1j)
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print(float("inf") * (1 + 1j))
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print(float("-inf") * (1 + 1j))
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# can't assign to attributes
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try:
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(1j).imag = 0
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except AttributeError:
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print("AttributeError")
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# can't convert rhs to complex
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try:
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1j + []
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except TypeError:
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print("TypeError")
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# unsupported unary op
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try:
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~(1j)
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except TypeError:
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print("TypeError")
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# unsupported binary op
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try:
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1j // 2
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except TypeError:
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print("TypeError")
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# unsupported binary op
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try:
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1j < 2j
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except TypeError:
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print("TypeError")
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# small int on LHS, complex on RHS, unsupported op
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try:
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print(1 | 1j)
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except TypeError:
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print("TypeError")
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# zero division
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try:
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1j / 0
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except ZeroDivisionError:
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print("ZeroDivisionError")
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# zero division via power
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try:
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0j ** -1
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except ZeroDivisionError:
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print("ZeroDivisionError")
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try:
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0j ** 1j
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except ZeroDivisionError:
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print("ZeroDivisionError")
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