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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/1overx.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/1overx.asy')
-rw-r--r--Build/source/utils/asymptote/examples/1overx.asy17
1 files changed, 17 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/examples/1overx.asy b/Build/source/utils/asymptote/examples/1overx.asy
new file mode 100644
index 00000000000..9bbbf282aca
--- /dev/null
+++ b/Build/source/utils/asymptote/examples/1overx.asy
@@ -0,0 +1,17 @@
+import graph;
+size(200,IgnoreAspect);
+
+real f(real x) {return 1/x;};
+
+bool3 branch(real x)
+{
+ static int lastsign=0;
+ if(x == 0) return false;
+ int sign=sgn(x);
+ bool b=lastsign == 0 || sign == lastsign;
+ lastsign=sign;
+ return b ? true : default;
+}
+
+draw(graph(f,-1,1,branch));
+axes("$x$","$y$",red);