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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2021/07/10 12:18:18 UTC

[GitHub] [incubator-nuttx] SPRESENSE opened a new pull request #4115: libc/math: Fix calculation error of log function

SPRESENSE opened a new pull request #4115:
URL: https://github.com/apache/incubator-nuttx/pull/4115


   ## Summary
   Fix a problem where the log function would loop infinitely by
   calculation error when a specific value was passed. For example,
   in the following case, the log function loops infinitely and
   never returns. So, this commit fixes to return the right value.
   
     double a = 7883961.5;
     double b = log(a);
   
   ## Impact
   None
   
   ## Testing
   In the above case, log function returns the right value.
   


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[GitHub] [incubator-nuttx] nealef commented on pull request #4115: libc/math: Fix calculation error of log function

Posted by GitBox <gi...@apache.org>.
nealef commented on pull request #4115:
URL: https://github.com/apache/incubator-nuttx/pull/4115#issuecomment-887909341


   Using this code the operation `log(318.0)` still loops infinitely.


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[GitHub] [incubator-nuttx] xiaoxiang781216 merged pull request #4115: libc/math: Fix calculation error of log function

Posted by GitBox <gi...@apache.org>.
xiaoxiang781216 merged pull request #4115:
URL: https://github.com/apache/incubator-nuttx/pull/4115


   


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