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Added tests for issue 16735 #19730

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merged 2 commits into from Jul 9, 2020
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dkodar20
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@dkodar20 dkodar20 commented Jul 9, 2020

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Fixes #16735

Brief description of what is fixed or changed

Adds tests to concrete/tests/test_sums_products.py and series/tests/test_limitseq.py

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#### References to other Issues or PRs
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Fixes #16735

#### Brief description of what is fixed or changed
Adds tests to `concrete/tests/test_sums_products.py` and `series/tests/test_limitseq.py`

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@dkodar20 dkodar20 changed the title Added tests for issue 16735 Added tests for issue #16735 Jul 9, 2020
@dkodar20 dkodar20 changed the title Added tests for issue #16735 Added tests for issue 16735 Jul 9, 2020
@@ -1317,6 +1317,11 @@ def test_issue_14313():
assert Sum(S.Half**floor(n/2), (n, 1, oo)).is_convergent()


@XFAIL
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@sachin-4099 sachin-4099 Jul 9, 2020

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This should be removed. This is not a test which fails.

@@ -125,6 +125,10 @@ def test_issue_10382():
assert limit_seq(fibonacci(n+1)/fibonacci(n), n) == S.GoldenRatio


def test_issue_16735():
assert limit_seq(5**n/factorial(n),n) == 0
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@sachin-4099 sachin-4099 Jul 9, 2020

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There should be a space after comma.

@@ -1317,6 +1317,11 @@ def test_issue_14313():
assert Sum(S.Half**floor(n/2), (n, 1, oo)).is_convergent()


@XFAIL
def test_issue_16735():
assert Sum(5**n/gamma(n+1), (n, 1, oo)).is_convergent() is True
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This can be S.true rather than True.

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@dkodar20 dkodar20 Jul 9, 2020

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I see that S.true issue. When it is True, the test fails and hence I added @XFAIL

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@dkodar20 dkodar20 Jul 9, 2020

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Please review the changes now.

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sachin-4099 commented Jul 9, 2020

Looks good to me. Once the build passes, this can be merged @jksuom.

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codecov bot commented Jul 9, 2020

Codecov Report

Merging #19730 into master will increase coverage by 4.386%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##            master    #19730       +/-   ##
=============================================
+ Coverage   71.333%   75.720%   +4.386%     
=============================================
  Files          659       659               
  Lines       171335    171401       +66     
  Branches     40416     40437       +21     
=============================================
+ Hits        122220    129785     +7565     
+ Misses       43300     35967     -7333     
+ Partials      5815      5649      -166     

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jksuom commented Jul 9, 2020

Thanks, looks good.

@jksuom jksuom merged commit fe44a93 into sympy:master Jul 9, 2020
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@dkodar20 dkodar20 deleted the 16735_concrete_series branch Jul 11, 2020
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Sum.is_convergent uses the incorrect results from limit_seq
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