add warning if total parametric volume is less then 1

6 jobs for master in 5 minutes and 57 seconds (queued for 1 second)
latest
Status Name Job ID Coverage
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passed clang-c++11 #142346
Linux

00:04:32

passed clang-c++14 #142350
Linux

00:05:53

passed gcc-c++11 #142344
Linux

00:01:45

passed gcc-c++14 #142348
Linux

00:02:17

passed macos-c++11 #142351
Apple

00:02:55

passed macos-c++14 #142352
Apple

00:05:01