blob: bf7c7d07eabcb64b7505aaf4afe0b431ac1af0c0 [file] [log] [blame]
// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function Module(stdlib) {
"use asm";
var abs = stdlib.Math.abs;
// f: double -> double
function f(a) {
a = +a;
return +abs(a);
}
// g: unsigned -> double
function g(a) {
a = a | 0;
return +abs(+(a >>> 0));
}
// h: signed -> double
function h(a) {
a = a|0;
return +abs(+(a | 0));
}
return { f: f, g: g, h: h };
}
var m = Module({ Math: Math });
var f = m.f;
var g = m.g;
var h = m.h;
assertTrue(isNaN(f(NaN)));
assertTrue(isNaN(f(undefined)));
assertTrue(isNaN(f(function() {})));
assertEquals("Infinity", String(1/f(0)));
assertEquals("Infinity", String(1/f(-0)));
assertEquals("Infinity", String(f(Infinity)));
assertEquals("Infinity", String(f(-Infinity)));
assertEquals(0, f(0));
assertEquals(0.1, f(0.1));
assertEquals(0.5, f(0.5));
assertEquals(0.1, f(-0.1));
assertEquals(0.5, f(-0.5));
assertEquals(1, f(1));
assertEquals(1.1, f(1.1));
assertEquals(1.5, f(1.5));
assertEquals(1, f(-1));
assertEquals(1.1, f(-1.1));
assertEquals(1.5, f(-1.5));
assertEquals(0, g(0));
assertEquals(0, g(0.1));
assertEquals(0, g(0.5));
assertEquals(0, g(-0.1));
assertEquals(0, g(-0.5));
assertEquals(1, g(1));
assertEquals(1, g(1.1));
assertEquals(1, g(1.5));
assertEquals(4294967295, g(-1));
assertEquals(4294967295, g(-1.1));
assertEquals(4294967295, g(-1.5));
assertEquals(0, h(0));
assertEquals(0, h(0.1));
assertEquals(0, h(0.5));
assertEquals(0, h(-0.1));
assertEquals(0, h(-0.5));
assertEquals(1, h(1));
assertEquals(1, h(1.1));
assertEquals(1, h(1.5));
assertEquals(1, h(-1));
assertEquals(1, h(-1.1));
assertEquals(1, h(-1.5));
assertEquals(Number.MIN_VALUE, f(Number.MIN_VALUE));
assertEquals(Number.MIN_VALUE, f(-Number.MIN_VALUE));
assertEquals(Number.MAX_VALUE, f(Number.MAX_VALUE));
assertEquals(Number.MAX_VALUE, f(-Number.MAX_VALUE));