js/src/jit-test/tests/basic/hypot-approx.js@6474c204b198
js/src/jit-test/tests/basic/hypot-approx.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 loadRelativeToScript("../../../tests/ecma_6/Math/shell.js");
3 for (var i = -20; i < 20; i++) {
4 assertEq(Math.hypot(+0, i), Math.abs(i));
5 assertEq(Math.hypot(-0, i), Math.abs(i));
6 }
8 // The implementation must avoid underlow.
9 // The implementation must avoid overflow, where possible.
10 // The implementation must minimise rounding errors.
12 assertNear(Math.hypot(1e-300, 1e-300), 1.414213562373095e-300);
13 assertNear(Math.hypot(1e-300, 1e-300, 1e-300), 1.732050807568877e-300);
15 assertNear(Math.hypot(1e-3, 1e-3, 1e-3), 0.0017320508075688772);
17 assertNear(Math.hypot(1e300, 1e300), 1.4142135623730952e+300);
18 assertNear(Math.hypot(1e100, 1e200, 1e300), 1e300);
20 assertNear(Math.hypot(1e3, 1e-3), 1000.0000000005);
21 assertNear(Math.hypot(1e-300, 1e300), 1e300);
22 assertNear(Math.hypot(1e3, 1e-3, 1e3, 1e-3), 1414.2135623738021555);
24 for (var i = 1, j = 1; i < 2; i += 0.05, j += 0.05)
25 assertNear(Math.hypot(i, j), Math.sqrt(i * i + j * j));
