From 4ffd67ef7a9a1a465d2a8cc35a785edb149de24a Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Mon, 28 Sep 2009 22:01:49 +0000 Subject: asymptote 1.87 git-svn-id: svn://tug.org/texlive/trunk@15535 c570f23f-e606-0410-a88d-b1316a301751 --- Build/source/utils/asymptote/triple.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'Build/source/utils/asymptote/triple.h') diff --git a/Build/source/utils/asymptote/triple.h b/Build/source/utils/asymptote/triple.h index e1ea5a41e4d..a4b1b3739cf 100644 --- a/Build/source/utils/asymptote/triple.h +++ b/Build/source/utils/asymptote/triple.h @@ -178,6 +178,12 @@ public: triple expi(double theta, double phi); +// Return the component of vector v perpendicular to a unit vector u. +inline triple perp(triple v, triple u) +{ + return v-dot(v,u)*u; +} + } //namespace camp GC_DECLARE_PTRFREE(camp::triple); -- cgit v1.2.3