From d1df1132c67a5d4d8e5ee5df43646fab19e7c3d3 Mon Sep 17 00:00:00 2001 From: mfranz <mfranz> Date: Wed, 25 Mar 2009 17:52:43 +0000 Subject: [PATCH] add tangens function --- Nasal/math.nas | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Nasal/math.nas b/Nasal/math.nas index 554329aaa..ca4d7943e 100644 --- a/Nasal/math.nas +++ b/Nasal/math.nas @@ -11,5 +11,7 @@ var asin = func(y) { atan2(y, sqrt(1-y*y)) } var acos = func(x) { atan2(sqrt(1-x*x), x) } +var tan = func(x) sin(x) / (cos(x) or die("tangens infinity")); + var _iln10 = 1/ln(10); var log10 = func(x) { ln(x) * _iln10; }