mirror of
https://github.com/titanscouting/tra-analysis.git
synced 2024-12-29 10:19:11 +00:00
49 lines
889 B
Python
49 lines
889 B
Python
_tol = 1e-5
|
|
|
|
def sim(a,b):
|
|
if (a==b):
|
|
return True
|
|
elif a == 0 or b == 0:
|
|
return False
|
|
if (a<b):
|
|
return (1-a/b)<=_tol
|
|
else:
|
|
return (1-b/a)<=_tol
|
|
|
|
def nsim(a,b):
|
|
if (a==b):
|
|
return False
|
|
elif a == 0 or b == 0:
|
|
return True
|
|
if (a<b):
|
|
return (1-a/b)>_tol
|
|
else:
|
|
return (1-b/a)>_tol
|
|
|
|
def gsim(a,b):
|
|
if a >= b:
|
|
return True
|
|
return (1-a/b)<=_tol
|
|
|
|
def lsim(a,b):
|
|
if a <= b:
|
|
return True
|
|
return (1-b/a)<=_tol
|
|
|
|
def set_tol(value=1e-5):
|
|
r"""Set Error Tolerance
|
|
|
|
Set the tolerance for detriming if two numbers are simliar, i.e
|
|
:math:`\left|\frac{a}{b}\right| = 1 \pm tolerance`
|
|
|
|
Parameters
|
|
----------
|
|
value: float
|
|
The Value to set the tolerance to show be very small as it respresents the
|
|
percentage of acceptable error in detriming if two values are the same.
|
|
"""
|
|
global _tol
|
|
if isinstance(value,float):
|
|
_tol = value
|
|
else:
|
|
raise TypeError(type(value)) |