Fix a divide by zero issue

[tianjunwork]

Signed-off-by: Jun Tian jun.tian@intel.com

Description

With command line in #602, behavior is different between gcc-10 and 8. gcc-10 gives floating point exception for divide by zero. gcc-8 simply returns 0. This PR fixes the exception when code is compiled with gcc-10.

Issue

602

Author(s)

@tianjunwork

Performance impact

• [ ] quality
• [ ] memory
• [ ] speed
• [ ] 8 bit
• [ ] 10 bit
• [x] N/A

Merge method

• [x] Allow the maintainer to squash and merge when PR is ready to create a 1-commit to the master branch. The maintainer will be able to fix typos / combine commit messages to create a more readable 1-commit message or use whatever is stated in the 'Description' section
• [ ] I will clean up my commits and the maintainer shall use 'rebase and merge' to the master branch

[intelmark]

Looks safe and appropriate to fix a divide by zero error.

[1480c1]

Please use

Fixes #602

under the issue line to make sure it properly auto-closes the issue, unless it doesn't fully close the issue

[tianjunwork]

Thanks Chris. I didn't add auto-close since the issue includes other topics still in discussion.