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authorKarl Berry <karl@freefriends.org>2009-06-08 01:04:41 +0000
committerKarl Berry <karl@freefriends.org>2009-06-08 01:04:41 +0000
commitefda44c2e2e6bd08bf58ebdfb2f1879cff9e6f37 (patch)
tree105b5092688d84851b40816150f4a5c77df3ed08 /Master/texmf/asymptote/ode.asy
parent9e32dd6aee7faf4e59888cfbd7a927d497b563ad (diff)
first commit of asymptote binaries + support
git-svn-id: svn://tug.org/texlive/trunk@13665 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf/asymptote/ode.asy')
-rw-r--r--Master/texmf/asymptote/ode.asy15
1 files changed, 15 insertions, 0 deletions
diff --git a/Master/texmf/asymptote/ode.asy b/Master/texmf/asymptote/ode.asy
new file mode 100644
index 00000000000..5135dd9443f
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+++ b/Master/texmf/asymptote/ode.asy
@@ -0,0 +1,15 @@
+real euler(real y, real f(real x, real y), real a, real b=a, int n=0,
+ real h=0, bool dynamic=false, real tolmin=0, real tolmax=0)
+{
+ if(h == 0) {
+ if(b == a) return y;
+ if(n == 0) abort("Either n or h must be specified");
+ else h=(b-a)/n;
+ }
+ real x=a;
+ for(int i=0; i < n; ++i) {
+ y += h*f(x,y);
+ x += h;
+ }
+ return y;
+}