"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "mpmath/ctx_base.py" between
mpmath-0.18.tar.gz and mpmath-0.19.tar.gz

About: mpmath is a Python library for arbitrary-precision floating-point arithmetic.

ctx_base.py  (mpmath-0.18):ctx_base.py  (mpmath-0.19)
skipping to change at line 441 skipping to change at line 441
def maxcalls(ctx, f, N): def maxcalls(ctx, f, N):
""" """
Return a wrapped copy of *f* that raises ``NoConvergence`` when *f* Return a wrapped copy of *f* that raises ``NoConvergence`` when *f*
has been called more than *N* times:: has been called more than *N* times::
>>> from mpmath import * >>> from mpmath import *
>>> mp.dps = 15 >>> mp.dps = 15
>>> f = maxcalls(sin, 10) >>> f = maxcalls(sin, 10)
>>> print(sum(f(n) for n in range(10))) >>> print(sum(f(n) for n in range(10)))
1.95520948210738 1.95520948210738
>>> f(10) >>> f(10) # doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last): Traceback (most recent call last):
... ...
NoConvergence: maxcalls: function evaluated 10 times NoConvergence: maxcalls: function evaluated 10 times
""" """
counter = [0] counter = [0]
def f_maxcalls_wrapped(*args, **kwargs): def f_maxcalls_wrapped(*args, **kwargs):
counter[0] += 1 counter[0] += 1
if counter[0] > N: if counter[0] > N:
raise ctx.NoConvergence("maxcalls: function evaluated %i times" % N) raise ctx.NoConvergence("maxcalls: function evaluated %i times" % N)
skipping to change at line 469 skipping to change at line 469
is equal to or higher than the working precision:: is equal to or higher than the working precision::
>>> from mpmath import * >>> from mpmath import *
>>> mp.dps = 15; mp.pretty = True >>> mp.dps = 15; mp.pretty = True
>>> f = memoize(maxcalls(sin, 1)) >>> f = memoize(maxcalls(sin, 1))
>>> f(2) >>> f(2)
0.909297426825682 0.909297426825682
>>> f(2) >>> f(2)
0.909297426825682 0.909297426825682
>>> mp.dps = 25 >>> mp.dps = 25
>>> f(2) >>> f(2) # doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last): Traceback (most recent call last):
... ...
NoConvergence: maxcalls: function evaluated 1 times NoConvergence: maxcalls: function evaluated 1 times
""" """
f_cache = {} f_cache = {}
def f_cached(*args, **kwargs): def f_cached(*args, **kwargs):
if kwargs: if kwargs:
key = args, tuple(kwargs.items()) key = args, tuple(kwargs.items())
else: else:
 End of changes. 2 change blocks. 
2 lines changed or deleted 2 lines changed or added

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