[jsk_ik_server/ik-evaluation.l] avoid zero division ik ik-evaluation.l

jsk-ros-pkg / jsk_control

jsk control ros packages

http://github.com/jsk-ros-pkg/jsk_control

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Closed knorth55 closed 2 years ago

knorth55 commented 3 years ago

when the sum of grid values is zero, all the values be nan because of zero division. this PR avoid the error.

cc. @Takuzumi240