bypass steepness calcs when steepness == 1#697

Rick-Methot-NOAA merged 4 commits intomainnmfs-ost/ss3-source-code:mainfrom

689-33024pre-fails-with-steepness-100nmfs-ost/ss3-source-code:689-33024pre-fails-with-steepness-100Copy head branch name to clipboard