math-unary.js - mozsearch

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// |jit-test| --canonicalize-nan-at-uses=on

load(libdir + "nans.js");

function testUnary(fn) {

  testWithFloatTypedArrays((FloatArray, UintArray, NaNs, UnaryMath) => {

    var f = new FloatArray(2);

    var u = new UintArray(f.buffer);

    for (var i = 0; i < 100; ++i) {

      u[0] = NaNs[i % NaNs.length];

      var x = UnaryMath(f[0]);

      // Store possibly tainted value.

      f[1] = x;

      assertEq(f[1], NaN);

      assertEq(x, NaN);

      assertSameNaNPayload(FloatArray, u[0], u[1], `Math.${UnaryMath.name}`);

  }, fn);

testUnary(Math.abs);

testUnary(Math.acos);

testUnary(Math.asin);

testUnary(Math.atan);

testUnary(Math.ceil);

testUnary(Math.cos);

testUnary(Math.exp);

testUnary(Math.floor);

testUnary(Math.log);

testUnary(Math.round);

testUnary(Math.sin);

testUnary(Math.sqrt);

testUnary(Math.tan);

testUnary(Math.log10);

testUnary(Math.log2);

testUnary(Math.log1p);

testUnary(Math.expm1);

testUnary(Math.cosh);

testUnary(Math.sinh);

testUnary(Math.tanh);

testUnary(Math.acosh);

testUnary(Math.asinh);

testUnary(Math.atanh);

testUnary(Math.trunc);

testUnary(Math.sign);

testUnary(Math.cbrt);

testUnary(Math.hypot);