From 11dbedfaad4a9a9521ece2198a8dc491678b1902 Mon Sep 17 00:00:00 2001 From: shyouhei Date: Wed, 29 Aug 2007 04:06:12 +0000 Subject: add tag v1_8_6_5001 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_5001@13304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ruby_1_8_6/missing/hypot.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 ruby_1_8_6/missing/hypot.c (limited to 'ruby_1_8_6/missing/hypot.c') diff --git a/ruby_1_8_6/missing/hypot.c b/ruby_1_8_6/missing/hypot.c new file mode 100644 index 0000000000..aad5259e92 --- /dev/null +++ b/ruby_1_8_6/missing/hypot.c @@ -0,0 +1,17 @@ +/* public domain rewrite of hypot */ + +#include + +double hypot(x,y) + double x, y; +{ + if (x < 0) x = -x; + if (y < 0) y = -y; + if (x < y) { + double tmp = x; + x = y; y = tmp; + } + if (y == 0.0) return x; + y /= x; + return x * sqrt(1.0+y*y); +} -- cgit v1.2.3