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author | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2021-02-25 19:22:25 +0000 |
commit | ad547a6b5986815fda458221149728d9d9ab1d87 (patch) | |
tree | 16296910eb3eca724371474ea9aea3994dc69614 /Build/source/utils/asymptote/examples/1overx.asy | |
parent | 947b43de3dd21d58ccc2ffadefc4441ea1c2a813 (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.asy | 17 |
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); |