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pyMOR
pymor
Commits
eb78e381
Commit
eb78e381
authored
Apr 20, 2020
by
René Fritze
Committed by
René Fritze
Jun 26, 2020
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[tools] adds util function to find 0 vecs in arrays
parent
ba84cd00
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src/pymor/tools/floatcmp.py
src/pymor/tools/floatcmp.py
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src/pymor/tools/floatcmp.py
View file @
eb78e381
...
...
@@ -64,3 +64,24 @@ def bounded(lower, upper, x, rtol=None, atol=None):
absolute tolerance for float_cmp
"""
return
(
lower
<
x
<
upper
)
or
float_cmp
(
x
,
lower
,
rtol
,
atol
)
or
float_cmp
(
x
,
upper
,
rtol
,
atol
)
def
contains_zero_vector
(
vector_array
,
rtol
=
None
,
atol
=
None
):
"""returns `True` iff any vector in the array float_compares to 0s of the same dim
Parameters
----------
vector_array
a |VectorArray| implementation
rtol
relative tolerance for float_cmp
atol
absolute tolerance for float_cmp
"""
zero
=
np
.
zeros
(
vector_array
.
dim
)
for
i
in
range
(
len
(
vector_array
)):
vec
=
vector_array
[
i
].
to_numpy
()
if
float_cmp_all
(
vec
,
zero
,
rtol
,
atol
):
return
True
return
False
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