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simplify busy work

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This commit is contained in:
William Entriken 2016-03-04 18:14:10 -05:00
parent 406465e207
commit 1029934c07
1 changed files with 5 additions and 34 deletions
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39
In Javascript/airgap.js
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@ -2,45 +2,15 @@
//As well as Jordan Harband for the nodejs simd library
//Tested to be working on Chrome at 1560khz
var _i32x4 = new Int32Array(4);
Int32x4 = function(x, y, z, w) {
if (!(this instanceof Int32x4)) {
return new Int32x4(x, y, z, w);
}
this.x_ = x|0;
this.y_ = y|0;
this.z_ = z|0;
this.w_ = w|0;
}
Int32x4store = function(tarray, index, value) {
var bpe = tarray.BYTES_PER_ELEMENT;
_i32x4[0] = value.x_;
_i32x4[1] = value.y_;
_i32x4[2] = value.z_;
_i32x4[3] = value.w_;
var array = bpe == 1 ? _i8x16 :
bpe == 2 ? _i16x8 :
bpe == 4 ? (tarray instanceof Float32Array ? _f32x4 : _i32x4) :
_f64x2;
var n = 16 / bpe;
for (var i = 0; i < n; ++i)
tarray[index + i] = array[i];
return value;
}
function now() {
return performance.now()*1000000;
}
var tarray = new Int32Array(4);
var zero = Int32x4(0,0,0,0);
var one = Int32x4(-1,-1,-1,-1);
var NSEC_PER_SEC = 1000000000;
var register = 3.1415
function square_am_signal(time,freq) {
document.getElementById('logs').value += "Playing / "+time+" seconds / "+freq+"Hz\n";
document.getElementById('logs').value += "Playing / "+time+" seconds / "+freq+"Hz\n";
var period = NSEC_PER_SEC/freq;
var start = now();
var end = now()+time*NSEC_PER_SEC;
@ -48,8 +18,9 @@ function square_am_signal(time,freq) {
var mid = start+period/2;
var reset = start+period;
while (now()<mid) {
Int32x4store(tarray, 0, one);
Int32x4store(tarray, 0, zero);
for (i = 0; i < 100; i++) {
register = 1 - Math.log(register) / 1.7193
}
}
while(now() < reset){
}