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|
var spectral_line = [ 0,
7621.0, // A
6869.955, // B
6562.816, // C
5895.944, // D
5269.557, // E
4861.344, // F
4340.477, // G'
3968.494 // H
];
var refarr = [ /* Reference results. These happen to
be derived from a run on Microsoft
Quick BASIC on the IBM PC/AT. */
" Marginal ray 47.09479120920 0.04178472683",
" Paraxial ray 47.08372160249 0.04177864821",
"Longitudinal spherical aberration: -0.01106960671",
" (Maximum permissible): 0.05306749907",
"Offense against sine condition (coma): 0.00008954761",
" (Maximum permissible): 0.00250000000",
"Axial chromatic aberration: 0.00448229032",
" (Maximum permissible): 0.05306749907"
];
/* The test case used in this program is the design for a 4 inch
achromatic telescope objective used as the example in Wyld's
classic work on ray tracing by hand, given in Amateur Telescope
Making, Volume 3. */
var testcase = [
[ 27.05, 1.5137, 63.6, 0.52 ],
[ -16.68, 1, 0, 0.138 ],
[ -16.68, 1.6164, 36.7, 0.38 ],
[ -78.1, 1, 0, 0 ]
];
var current_surfaces, paraxial, clear_aperture, aberr_lspher,
aberr_osc, aberr_lchrom, max_lspher, max_osc, max_lchrom,
radius_of_curvature, object_distance, ray_height,
axis_slope_angle, from_index, to_index;
var s; // Design being traced
var od_sa; // Object distance and slope angle
var outarr; // Computed output of program goes here
var niter = 1000; // Iteration counter
// Display a string on the debug console
function show(s)
{
print( s ,100,300);
}
/* Perform ray trace in specific spectral line */
function trace_line(line, ray_h) {
var i;
object_distance = 0;
ray_height = ray_h;
from_index = 1;
for (i = 0; i < current_surfaces; i++) {
radius_of_curvature = s[i][0];
to_index = s[i][1];
if (to_index > 1.0) {
to_index = to_index + ((spectral_line[4] -
spectral_line[line]) /
(spectral_line[3] - spectral_line[6])) * ((s[i][1] - 1) /
s[i][2]);
}
transit_surface();
from_index = to_index;
if (i < current_surfaces) {
object_distance = object_distance - s[i][3];
}
}
}
/* Calculate passage through surface
If the variable PARAXIAL is true, the trace through the
surface will be done using the paraxial approximations.
Otherwise, the normal trigonometric trace will be done.
This subroutine takes the following global inputs:
radius_of_curvature Radius of curvature of surface
being crossed. If 0, surface is
plane.
object_distance Distance of object focus from
lens vertex. If 0, incoming
rays are parallel and
the following must be specified:
ray_height Height of ray from axis. Only
relevant if object_distance == 0
axis_slope_angle Angle incoming ray makes with axis
at intercept
from_index Refractive index of medium being left
to_index Refractive index of medium being
entered.
The outputs are the following global variables:
object_distance Distance from vertex to object focus
after refraction.
axis_slope_angle Angle incoming ray makes with axis
at intercept after refraction.
*/
function transit_surface() {
var iang, /* Incidence angle */
rang, /* Refraction angle */
iang_sin, /* Incidence angle sin */
rang_sin, /* Refraction angle sin */
old_axis_slope_angle, sagitta;
if (paraxial) {
if (radius_of_curvature != 0) {
if (object_distance == 0) {
axis_slope_angle = 0;
iang_sin = ray_height / radius_of_curvature;
} else {
iang_sin = ((object_distance - radius_of_curvature) /
radius_of_curvature) * axis_slope_angle;
}
rang_sin = (from_index / to_index) * iang_sin;
old_axis_slope_angle = axis_slope_angle;
axis_slope_angle = axis_slope_angle + iang_sin - rang_sin;
if (object_distance != 0) {
ray_height = object_distance * old_axis_slope_angle;
}
object_distance = ray_height / axis_slope_angle;
return;
}
object_distance = object_distance * (to_index / from_index);
axis_slope_angle = axis_slope_angle * (from_index / to_index);
return
}
if (radius_of_curvature != 0) {
if (object_distance == 0) {
axis_slope_angle = 0;
iang_sin = ray_height / radius_of_curvature;
} else {
iang_sin = ((object_distance - radius_of_curvature) /
radius_of_curvature) * Math.sin(axis_slope_angle);
}
iang = Math.asin(iang_sin);
rang_sin = (from_index / to_index) * iang_sin;
old_axis_slope_angle = axis_slope_angle;
axis_slope_angle = axis_slope_angle + iang - Math.asin(rang_sin);
sagitta = Math.sin((old_axis_slope_angle + iang) / 2);
sagitta = 2 * radius_of_curvature * sagitta * sagitta;
object_distance = ((radius_of_curvature * Math.sin(
old_axis_slope_angle + iang)) *
(1 / Math.tan(axis_slope_angle))) + sagitta;
return;
}
rang = -Math.asin((from_index / to_index) * Math.sin(axis_slope_angle))
object_distance = object_distance * ((to_index *
Math.cos(-rang)) / (from_index *
Math.cos(axis_slope_angle)));
axis_slope_angle = -rang;
}
// Format a floating point number as does C "%.11f"
function fnum(n) {
var s = n.toFixed(11);
if (n >= 0) {
s = " " + s;
}
return s;
}
// Run the benchmark for the specified number of iterations
function RunBenchmark() {
var start, stop;
// Load test case into working array
clear_aperture = 4;
current_surfaces = 4;
s = testcase;
axis_slope_angle = 0;
od_sa = [ [0, 0], [0, 0]];
niter = 1000;
start = new Date();
for (itercount = 0; itercount < niter; itercount++) {
for (paraxial = 0; paraxial <= 1; paraxial++) {
// Do main trace in D light
trace_line(4, clear_aperture / 2);
od_sa[paraxial][0] = object_distance;
od_sa[paraxial][1] = axis_slope_angle;
}
paraxial = 0;
// Trace marginal ray in C
trace_line(3, clear_aperture / 2);
od_cline = object_distance;
// Trace marginal ray in F
trace_line(6, clear_aperture / 2);
od_fline = object_distance;
aberr_lspher = od_sa[1][0] - od_sa[0][0];
aberr_osc = (1.0 - (od_sa[1][0] * od_sa[1][1]) /
(Math.sin(od_sa[0][1]) * od_sa[0][0]));
aberr_lchrom = od_fline - od_cline;
max_lspher = Math.sin(od_sa[0][1]);
// D light
max_lspher = 0.0000926 / (max_lspher * max_lspher);
max_osc = 0.0025;
max_lchrom = max_lspher;
}
stop = new Date();
var mstime = stop.getTime() - start.getTime();
show("Elapsed time in seconds: " + (mstime / 1000).toFixed(3));
show("Time for 1000 iterations: " + ((mstime / 1000) * (1000.0 / niter)).toFixed(4));
outarr = [
" Marginal ray " + fnum(od_sa[0][0]) + " " + fnum(od_sa[0][1]),
" Paraxial ray " + fnum(od_sa[1][0]) + " " + fnum(od_sa[1][1]),
"Longitudinal spherical aberration: " + fnum(aberr_lspher),
" (Maximum permissible): " + fnum(max_lspher),
"Offense against sine condition (coma): " + fnum(aberr_osc),
" (Maximum permissible): " + fnum(max_osc),
"Axial chromatic aberration: " + fnum(aberr_lchrom),
" (Maximum permissible): " + fnum(max_lchrom)
];
errors = 0;
for (i = 0; i < refarr.length; i++) {
if (refarr[i] != outarr[i]) {
var e;
errors += 1;
show("Error in results on line " + (i + 1));
show("Expected: " + refarr[i]);
show("Received: " + outarr[i]);
e = "";
for (j = 0; j < refarr[i].length; j++) {
if (refarr[i][j] == outarr[i][j]) {
e += " ";
} else {
e += "^";
}
}
show("(Errors) " + e);
}
}
if (errors > 0) {
show("" + errors + " error" + ((errors > 1) ? "s" : "") + " in results. This is VERY SERIOUS.");
} else {
show("No errors in results.");
}
}
var FN = "/.fonts/";
var test = true;
var tick=0;
var begin=0;
function print(text,x,y) {
var back = new TRectangle(x, y, 200, 50, 0xFFFFFF);
var hello = new TText(text, x, y, 0, 'Vera', 22);
back.setSize(hello.width, hello.height);
}
var a = new Array();
var b = new Array();
function DisplayPrimeNumbers(nombre) {
var this_number,divisor,not_prime;
this_number = 3;
while(this_number < nombre) {
divisor = parseInt( this_number / 2);
not_prime = 0;
while(divisor > 1) {
if(this_number % divisor == 0) {
not_prime = 1;
divisor = 0;
} else {
divisor = divisor - 1;
}
}
if(not_prime == 0) {
return this_number;
} else {
return -1
}
this_number = this_number + 1;
}
}
function bench() {
var result=0;
for (var j = 0 ; i < 100000 ; i++ ) {
for (var i = 0 ; i < 10000 ; i++ ) {
a[i] = i*3+7.9+j;
b[i] = 7*i+5.7+j;
}
}
for (var j = 0 ; i < 100000 ; i++ ) {
for (var i = 0 ; i < 10000 ; i++ ) {
result += a[i]-b[i] % 10000 + j;
}
}
return result;
}
function isPrime(n) {
prime = true;
for (var i = 3; i <= Math.sqrt(n); i += 2)
if (n % i == 0) {
prime = false;
break;
}
if (( n%2 !=0 && prime && n > 2) || n == 2) {
return n;
} else {
return -1;
}
}
var ccres=0;
function main()
{
var bg;
var obj;
var deb=0;
elx.print(DisplayPrimeNumbers(2147483647));
elx.print("Rock n Roll " + elx.version() + "\n");
elx.include('Cauldron.js');
ecore_timer_add(1, function () { tick++}, null);
var back = new TRectangle(10, 10, 100, 50, 0xFFFFFF);
var hello = new TText('Hello World !', 10, 10, 0, 'Vera', 22);
back.setSize(hello.width, hello.height);
var obj = new TRectangle(50, 50, 250, 200, 0x804000);
var anim = new TAnimator();
anim.onChange = function() {
var x = obj.x ;
var y = obj.y ;
if (begin == 0) {
x = 50;
y = 50;
} else if (begin == 1) {
x = 100;
y = 100;
} else if (begin == 2) {
x = 200;
y = 200;
}
obj.move(x, y);
}
anim.setSpeed(1/5);
anim.start();
screen.onKeyup = function(event) {
switch (event.keyname) {
/* case 'GP/Up' : hello.setStyle('outline', 0xFF0000); break;
case 'GP/Down' : hello.setStyle('glow', 0xFF00FF); break;
case 's' : hello.setStyle('shadow', 0x0000FF, 128); break;
case 'f' :
hello.setStyle('shadow', 0xFF0000);
evas_object_text_style_set(hello.handle, EVAS_TEXT0YLE_FAR_SHADOW); break;
case 'd' : print("tick : "+tick,200,300);break;*/
case 'l' : deb=event.timestamp;
begin=1;
elx.print("debut="+deb + "\n");
print('precedent='+ccres,0,100);
RunBenchmark();
begin=2;
deb = event.timestamp-deb;
print('Temps ecoule : '+deb,0,150);
hello.setStyle('outline', 0xFF0000);
elx.print("fin="+event.timestamp+" soit "+deb + "\n");
break;
default : screen.quit()
}
}
screen.main();
}
main(); |
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