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authorKarl Berry <karl@freefriends.org>2009-09-28 22:01:49 +0000
committerKarl Berry <karl@freefriends.org>2009-09-28 22:01:49 +0000
commit4ffd67ef7a9a1a465d2a8cc35a785edb149de24a (patch)
tree3d4edc7989e1207e31f6df6da1cb6cc1172a0cd1 /Build/source/utils/asymptote/triple.h
parente2e3d91772c578b56fb93aa7c6b6e519034ae2a1 (diff)
asymptote 1.87
git-svn-id: svn://tug.org/texlive/trunk@15535 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/asymptote/triple.h')
-rw-r--r--Build/source/utils/asymptote/triple.h6
1 files changed, 6 insertions, 0 deletions
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);