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authorKarl Berry <karl@freefriends.org>2009-06-09 00:38:32 +0000
committerKarl Berry <karl@freefriends.org>2009-06-09 00:38:32 +0000
commit5a5ed51adcf876db905825989f564b51d622c0dd (patch)
treee735ac11e0f5fa09d2ef7c8992654fb5ff98b39e /Master/texmf/doc/asymptote/examples/gamma.asy
parentfa0e85e77e9560d371aa26d0ddc1500c4c050e16 (diff)
asy doc, tlpsrc patterns
git-svn-id: svn://tug.org/texlive/trunk@13675 c570f23f-e606-0410-a88d-b1316a301751
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+import graph;
+size(300,IgnoreAspect);
+
+bool3 branch(real x)
+{
+ static int lastsign=0;
+ if(x <= 0 && x == floor(x)) return false;
+ int sign=sgn(gamma(x));
+ bool b=lastsign == 0 || sign == lastsign;
+ lastsign=sign;
+ return b ? true : default;
+}
+
+draw(graph(gamma,-4,4,n=2000,branch),red);
+
+scale(false);
+xlimits(-4,4);
+ylimits(-6,6);
+crop();
+
+xaxis("$x$",RightTicks(NoZero));
+yaxis(LeftTicks(NoZero));
+
+label("$\Gamma(x)$",(1,2),red);