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authorKarl Berry <karl@freefriends.org>2010-06-08 13:46:05 +0000
committerKarl Berry <karl@freefriends.org>2010-06-08 13:46:05 +0000
commita960e44eb527236f39aec81babc0474911a86078 (patch)
tree9950eca71791d90820a80a521a7cc252c0955db5 /Build/source/utils/asymptote/tr.cc
parent6443467452320c296faa1f43f0606a9457bd4463 (diff)
asy 1.96
git-svn-id: svn://tug.org/texlive/trunk@18817 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/asymptote/tr.cc')
-rw-r--r--Build/source/utils/asymptote/tr.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/Build/source/utils/asymptote/tr.cc b/Build/source/utils/asymptote/tr.cc
index d76ea846fc6..69041a5f80b 100644
--- a/Build/source/utils/asymptote/tr.cc
+++ b/Build/source/utils/asymptote/tr.cc
@@ -62,7 +62,6 @@
#endif
#include "tr.h"
-
#define DEFAULT_TILE_WIDTH 256
#define DEFAULT_TILE_HEIGHT 256
#define DEFAULT_TILE_BORDER 0
@@ -290,7 +289,8 @@ void trPerspective(TRcontext *tr,
GLdouble zNear, GLdouble zFar )
{
GLdouble xmin, xmax, ymin, ymax;
- ymax = zNear * tan(fovy * 3.14159265 / 360.0);
+ static const double halfradians=acos(-1.0)/360.0;
+ ymax = zNear * tan(fovy * halfradians);
ymin = -ymax;
xmin = ymin * aspect;
xmax = ymax * aspect;