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Fix integrate_spectrum for small integration ranges #2163

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merged 2 commits into from May 27, 2019

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@adonath adonath commented May 27, 2019

This PR fixes a bug in the integrate_spectrum method reported by @luca-giunti. If emin and emax was within the same decade, the integration method would return 0, as the total number of sub-bins for the integration would be rounded to 0. A regression test is added as well.

@adonath adonath requested a review from luca-giunti May 27, 2019
@adonath adonath self-assigned this May 27, 2019
@adonath adonath added the bug label May 27, 2019
@adonath adonath added this to the 0.12 milestone May 27, 2019
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@luca-giunti luca-giunti left a comment

Hi @adonath! Thanks. Did you change the line n = int((logmax - logmin)) * ndecade in integrate_spectrum()? In the diff I only see the new test function.

Cheers :)

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@adonath adonath commented May 27, 2019

@luca-giunti Thanks! Indeed the commit was missing, I just added it to the PR.

@adonath adonath merged commit b07cac1 into gammapy:master May 27, 2019
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