Difference between revisions of "LSL Partial Sums Benchmark"
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(New page: <pre> // // The Computer Language Shootout // http://shootout.alioth.debian.org/ // // contributed by Isaac Gouy // modifed by Babbage Linden // test() { integer n = 250; f...) |
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Revision as of 18:35, 13 April 2008
<lsl> // // The Computer Language Shootout // http://shootout.alioth.debian.org/ // // contributed by Isaac Gouy // modifed by Babbage Linden //
test() {
integer n = 250; float twothirds = 2.0/3.0;
float a1 = 0.0; float a2 = 0.0; float a3 = 0.0; float a4 = 0.0; float a5 = 0.0; float a6 = 0.0; float a7 = 0.0; float a8 = 0.0; float a9 = 0.0; float alt = -1.0;
integer k;
for (k=1; k <= n; k++)
{
float k2 = llPow(k,2);
float k3 = k2*k;
float sk = llSin(k);
float ck = llCos(k);
alt = -alt;
a1 += llPow(twothirds,k-1);
a2 += llPow(k,-0.5);
a3 += 1.0/(k*(k+1.0));
a4 += 1.0/(k3 * sk*sk);
a5 += 1.0/(k3 * ck*ck);
a6 += 1.0/k;
a7 += 1.0/k2;
a8 += alt/k;
a9 += alt/(2.0*k -1.0);
}
llSay(0, (string)a1 + " (2/3)^k");
llSay(0, (string)a2 + " k^-0.5");
llSay(0, (string)a3 + " 1/k(k+1)");
llSay(0, (string)a4 + " Flint Hills");
llSay(0, (string)a5 + " Cookson Hills");
llSay(0, (string)a6 + " Harmonic");
llSay(0, (string)a7 + " Riemann Zeta");
llSay(0, (string)a8 + " Alternating Harmonic");
llSay(0, (string)a9 + " Gregory");
}
time() {
llResetTime(); llSay(0, "Starting tests..."); test(); llSay(0, "Finished tests in " + (string)llGetTime() + "s");
}
default {
state_entry()
{
time();
}
touch_start(integer num)
{
time();
}
} </lsl>