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authorKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
committerKarl Berry <karl@freefriends.org>2021-02-25 19:22:25 +0000
commitad547a6b5986815fda458221149728d9d9ab1d87 (patch)
tree16296910eb3eca724371474ea9aea3994dc69614 /Build/source/utils/asymptote/examples/buildcycle.asy
parent947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (diff)
restore Build,TODO from r57911
git-svn-id: svn://tug.org/texlive/trunk@57915 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/asymptote/examples/buildcycle.asy')
-rw-r--r--Build/source/utils/asymptote/examples/buildcycle.asy22
1 files changed, 22 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/examples/buildcycle.asy b/Build/source/utils/asymptote/examples/buildcycle.asy
new file mode 100644
index 00000000000..e4e7f8c7c96
--- /dev/null
+++ b/Build/source/utils/asymptote/examples/buildcycle.asy
@@ -0,0 +1,22 @@
+size(200);
+
+real w=1.35;
+
+path[] p;
+for(int k=0; k < 2; ++k) {
+ int i=2+2*k;
+ int ii=i^2;
+ p[k]=(w/ii,1){1,-ii}::(w/i,1/i)::(w,1/ii){ii,-1};
+}
+
+path q0=(0,0)--(w,0.5);
+path q1=(0,0)--(w,1.5);
+draw(q0); draw(p[0]); draw(q1); draw(p[1]);
+path s=buildcycle(q0,p[0],q1,p[1]);
+fill(s,mediumgrey);
+
+label("$P$",intersectionpoint(p[0],q0),N);
+label("$Q$",intersectionpoint(p[0],q1),E);
+label("$R$",intersectionpoint(p[1],q1),W);
+label("$S$",intersectionpoint(p[1],q0),S);
+label("$f > 0$",0.5*(min(s)+max(s)),UnFill);