tree c8f62de847e195719732366ec05df2f21f74f000
parent e98991b8cfaf29016d14b8ec437d3dedfc0a5eb7
author Bram Moolenaar <Bram@vim.org> 1456600455 +0100
committer Bram Moolenaar <Bram@vim.org> 1456600455 +0100

patch 7.4.1437
Problem:    Old system doesn't have isinf() and NAN. (Ben Fritz)
Solution:   Adjust #ifdefs.  Detect isnan() and isinf() functions with
            configure. Use a replacement when missing. (Kazunobu Kuriyama)