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CObs class added

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Fabian Joswig 2021-10-16 12:07:40 +01:00
parent dc4514e8d0
commit 286008a20e
1 changed files with 61 additions and 0 deletions
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61
pyerrors/pyerrors.py
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@ -632,6 +632,67 @@ class Obs:
return derived_observable(lambda x: anp.sinc(x[0]), [self]) return derived_observable(lambda x: anp.sinc(x[0]), [self])
class CObs:
def __init__(self, real, imag=0.0):
self.real = real
self.imag = imag
def gamma_method(self, **kwargs):
self.real.gamma_method(**kwargs)
self.imag.gamma_method(**kwargs)
def __add__(self, other):
if hasattr(other, 'real') and hasattr(other, 'imag'):
return CObs(self.real + other.real,
self.imag + other.imag)
else:
return CObs(self.real + other, self.imag)
def __radd__(self, y):
return self + y
def __sub__(self, other):
if hasattr(other, 'real') and hasattr(other, 'imag'):
return CObs(self.real - other.real, self.imag - other.imag)
else:
return CObs(self.real - other, self.imag)
def __rsub__(self, other):
return -1 * (self - other)
def __mul__(self, other):
if hasattr(other, 'real') and hasattr(other, 'imag'):
return CObs(self.real * other.real - self.imag * other.imag,
self.imag * other.real + self.real * other.imag)
else:
return CObs(self.real * other, self.imag * other)
def __rmul__(self, other):
return self * other
def __truediv__(self, other):
if hasattr(other, 'real') and hasattr(other, 'imag'):
r = other.real ** 2 + other.imag ** 2
return CObs((self.real * other.real + self.imag * other.imag) / r, (self.imag * other.real - self.real * other.imag) / r)
else:
return CObs(self.real / other, self.imag / other)
def __abs__(self):
return np.sqrt(self.real**2 + self.imag**2)
def __neg__(other):
return -1 * other
def __eq__(self, other):
return self.real == other.real and self.imag == other.imag
def __str__(self):
return '(' + str(self.real) + int(self.imag > - np.finfo(np.float64).eps) * '+' + str(self.imag) + 'j)'
def __repr__(self):
return 'CObs[' + str(self) + ']'
def derived_observable(func, data, **kwargs): def derived_observable(func, data, **kwargs):
"""Construct a derived Obs according to func(data, **kwargs) using automatic differentiation. """Construct a derived Obs according to func(data, **kwargs) using automatic differentiation.