53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
from migen.fhdl.structure import *
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class Complex:
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def __init__(self, real, imag):
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self.real = real
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self.imag = imag
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def __neg__(self):
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return Complex(-self.real, -self.imag)
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def __add__(self, other):
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if isinstance(other, Complex):
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return Complex(self.real + other.real, self.imag + other.imag)
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else:
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return Complex(self.real + other, self.imag)
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__radd__ = __add__
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def __sub__(self, other):
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if isinstance(other, Complex):
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return Complex(self.real - other.real, self.imag - other.imag)
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else:
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return Complex(self.real - other, self.imag)
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def __rsub__(self, other):
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if isinstance(other, Complex):
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return Complex(other.real - self.real, other.imag - self.imag)
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else:
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return Complex(other - self.real, -self.imag)
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def __mul__(self, other):
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if isinstance(other, Complex):
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return Complex(self.real*other.real - self.imag*other.imag,
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self.real*other.imag + self.imag*other.real)
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else:
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return Complex(self.real*other, self.imag*other)
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__rmul__ = __mul__
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def __lshift__(self, other):
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return Complex(self.real << other, self.imag << other)
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def __rshift__(self, other):
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return Complex(self.real >> other, self.imag >> other)
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def __repr__(self):
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return repr(self.real) + " + " + repr(self.imag) + "j"
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def eq(self, r):
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if isinstance(r, Complex):
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return self.real.eq(r.real), self.imag.eq(r.imag)
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else:
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return self.real.eq(r), self.imag.eq(0)
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def SignalC(*args, **kwargs):
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real = Signal(*args, **kwargs)
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imag = Signal(*args, **kwargs)
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return Complex(real, imag)
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