calc_sector_angle: Check for real division by zero not with epsilon that was way to large

23 jobs from Fix_calc_sector_angle in 41 minutes and 49 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #38403
VS2013
VS2013-32-bit-shared-apps

04:38

passed #38404
VS2013
VS2013-32-bit-shared-no-apps

03:48

passed #38407
VS2013
VS2013-32-bit-static-apps

04:41

passed #38408
VS2013
VS2013-32-bit-static-no-apps

03:56

passed #38401
VS2013
VS2013-64-bit-shared-apps

05:01

passed #38402
VS2013
VS2013-64-bit-shared-no-apps

04:10

passed #38405
VS2013
VS2013-64-bit-static-apps

05:09

passed #38406
VS2013
VS2013-64-bit-static-no-apps

04:22

passed #38395
VS2015
VS2015-32-bit-shared-apps

06:06

passed #38396
VS2015
VS2015-32-bit-shared-no-apps

04:40

passed #38399
VS2015
VS2015-32-bit-static-apps

05:34

passed #38400
VS2015
VS2015-32-bit-static-no-apps

05:02

passed #38393
VS2015
VS2015-64-bit-shared-apps

07:02

passed #38394
VS2015
VS2015-64-bit-shared-no-apps

05:25

passed #38397
VS2015
VS2015-64-bit-static-apps

07:05

passed #38398
VS2015
VS2015-64-bit-static-no-apps

05:38

passed #38387
Linux
clang-c++11

31:06

passed #38389
Linux
clang-c++14

28:35

passed #38392
Linux
cppcheck

01:11

passed #38386
Linux
gcc-c++11

05:23

passed #38388
Linux
gcc-c++14

05:45

passed #38390
Apple
macos-c++11

09:50

passed #38391
Apple
macos-c++98

09:49