Run results for: trigetry

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_3 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) CriOS/66.0.3359.106 Mobile/14G60 Safari/602.1

Browser: Chrome Mobile iOS 66

Operating system: iOS 10.3.3

Device Platform: iPhone

Date tested: 6 years ago

Test name	Executions per second
q	1321903.0 Ops/sec
native	964359.6 Ops/sec
s	1439565.0 Ops/sec

Script Preparation code:

function sines(x) {
    if (x < -3.14159265) x += 6.28318531;
    else if (x > 3.14159265) x -= 6.28318531;
    if (x < 0) return 1.27323954 * x + .405284735 * x * x;
    else return 1.27323954 * x - 0.405284735 * x * x;
}

function coses(x) {
    x += 1.57079632;
    if (x > 3.14159265) x -= 6.28318531;
    if (x < 0) return 1.27323954 * x + 0.405284735 * x * x
    else return 1.27323954 * x - 0.405284735 * x * x;
}

function qMafsSin(x) {
        var sin;
        if (x < -3.14159265) x += 6.28318531;
        else if (x >  3.14159265) x -= 6.28318531;

        if (x < 0) {
          sin = 1.27323954 * x + .405284735 * x * x;
          if (sin < 0) sin = .225 * (sin *-sin - sin) + sin;
          else sin = .225 * (sin * sin - sin) + sin;
        } else {
          sin = 1.27323954 * x - 0.405284735 * x * x;
          if (sin < 0) sin = .225 * (sin *-sin - sin) + sin;
          else sin = .225 * (sin * sin - sin) + sin;
        }
        return sin;
}

function qMafsCos(x) {
        var cos;
        x += 1.57079632;
        if (x >  3.14159265) x -= 6.28318531;
        if (x < 0) {
          cos = 1.27323954 * x + 0.405284735 * x * x;
          if (cos < 0) cos = .225 * (cos *-cos - cos) + cos;
          else cos = .225 * (cos * cos - cos) + cos;
        } else {
          cos = 1.27323954 * x - 0.405284735 * x * x;
          if (cos < 0) cos = .225 * (cos *-cos - cos) + cos;
          else cos = .225 * (cos * cos - cos) + cos;
        }
        return cos;
}

Tests:

q
sines(10); coses(10);
native
Math.sin(10); Math.cos(10);
s
qMafsSin(10); qMafsCos(10);

q

native

s