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-rw-r--r--SunSpider/tests/sunspider-0.9/access-nbody.js169
1 files changed, 0 insertions, 169 deletions
diff --git a/SunSpider/tests/sunspider-0.9/access-nbody.js b/SunSpider/tests/sunspider-0.9/access-nbody.js
deleted file mode 100644
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--- a/SunSpider/tests/sunspider-0.9/access-nbody.js
+++ /dev/null
@@ -1,169 +0,0 @@
-/* The Great Computer Language Shootout
- http://shootout.alioth.debian.org/
- contributed by Isaac Gouy */
-
-var PI = 3.141592653589793;
-var SOLAR_MASS = 4 * PI * PI;
-var DAYS_PER_YEAR = 365.24;
-
-function Body(x,y,z,vx,vy,vz,mass){
- this.x = x;
- this.y = y;
- this.z = z;
- this.vx = vx;
- this.vy = vy;
- this.vz = vz;
- this.mass = mass;
-}
-
-Body.prototype.offsetMomentum = function(px,py,pz) {
- this.vx = -px / SOLAR_MASS;
- this.vy = -py / SOLAR_MASS;
- this.vz = -pz / SOLAR_MASS;
- return this;
-}
-
-function Jupiter(){
- return new Body(
- 4.84143144246472090e+00,
- -1.16032004402742839e+00,
- -1.03622044471123109e-01,
- 1.66007664274403694e-03 * DAYS_PER_YEAR,
- 7.69901118419740425e-03 * DAYS_PER_YEAR,
- -6.90460016972063023e-05 * DAYS_PER_YEAR,
- 9.54791938424326609e-04 * SOLAR_MASS
- );
-}
-
-function Saturn(){
- return new Body(
- 8.34336671824457987e+00,
- 4.12479856412430479e+00,
- -4.03523417114321381e-01,
- -2.76742510726862411e-03 * DAYS_PER_YEAR,
- 4.99852801234917238e-03 * DAYS_PER_YEAR,
- 2.30417297573763929e-05 * DAYS_PER_YEAR,
- 2.85885980666130812e-04 * SOLAR_MASS
- );
-}
-
-function Uranus(){
- return new Body(
- 1.28943695621391310e+01,
- -1.51111514016986312e+01,
- -2.23307578892655734e-01,
- 2.96460137564761618e-03 * DAYS_PER_YEAR,
- 2.37847173959480950e-03 * DAYS_PER_YEAR,
- -2.96589568540237556e-05 * DAYS_PER_YEAR,
- 4.36624404335156298e-05 * SOLAR_MASS
- );
-}
-
-function Neptune(){
- return new Body(
- 1.53796971148509165e+01,
- -2.59193146099879641e+01,
- 1.79258772950371181e-01,
- 2.68067772490389322e-03 * DAYS_PER_YEAR,
- 1.62824170038242295e-03 * DAYS_PER_YEAR,
- -9.51592254519715870e-05 * DAYS_PER_YEAR,
- 5.15138902046611451e-05 * SOLAR_MASS
- );
-}
-
-function Sun(){
- return new Body(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, SOLAR_MASS);
-}
-
-
-function NBodySystem(bodies){
- this.bodies = bodies;
- var px = 0.0;
- var py = 0.0;
- var pz = 0.0;
- var size = this.bodies.length;
- for (var i=0; i<size; i++){
- var b = this.bodies[i];
- var m = b.mass;
- px += b.vx * m;
- py += b.vy * m;
- pz += b.vz * m;
- }
- this.bodies[0].offsetMomentum(px,py,pz);
-}
-
-NBodySystem.prototype.advance = function(dt){
- var dx, dy, dz, distance, mag;
- var size = this.bodies.length;
-
- for (var i=0; i<size; i++) {
- var bodyi = this.bodies[i];
- for (var j=i+1; j<size; j++) {
- var bodyj = this.bodies[j];
- dx = bodyi.x - bodyj.x;
- dy = bodyi.y - bodyj.y;
- dz = bodyi.z - bodyj.z;
-
- distance = Math.sqrt(dx*dx + dy*dy + dz*dz);
- mag = dt / (distance * distance * distance);
-
- bodyi.vx -= dx * bodyj.mass * mag;
- bodyi.vy -= dy * bodyj.mass * mag;
- bodyi.vz -= dz * bodyj.mass * mag;
-
- bodyj.vx += dx * bodyi.mass * mag;
- bodyj.vy += dy * bodyi.mass * mag;
- bodyj.vz += dz * bodyi.mass * mag;
- }
- }
-
- for (var i=0; i<size; i++) {
- var body = this.bodies[i];
- body.x += dt * body.vx;
- body.y += dt * body.vy;
- body.z += dt * body.vz;
- }
-}
-
-NBodySystem.prototype.energy = function(){
- var dx, dy, dz, distance;
- var e = 0.0;
- var size = this.bodies.length;
-
- for (var i=0; i<size; i++) {
- var bodyi = this.bodies[i];
-
- e += 0.5 * bodyi.mass *
- ( bodyi.vx * bodyi.vx
- + bodyi.vy * bodyi.vy
- + bodyi.vz * bodyi.vz );
-
- for (var j=i+1; j<size; j++) {
- var bodyj = this.bodies[j];
- dx = bodyi.x - bodyj.x;
- dy = bodyi.y - bodyj.y;
- dz = bodyi.z - bodyj.z;
-
- distance = Math.sqrt(dx*dx + dy*dy + dz*dz);
- e -= (bodyi.mass * bodyj.mass) / distance;
- }
- }
- return e;
-}
-
-var ret;
-
-for ( var n = 3; n <= 24; n *= 2 ) {
- (function(){
- var bodies = new NBodySystem( Array(
- Sun(),Jupiter(),Saturn(),Uranus(),Neptune()
- ));
- var max = n * 100;
-
- ret = bodies.energy();
- for (var i=0; i<max; i++){
- bodies.advance(0.01);
- }
- ret = bodies.energy();
- })();
-}