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60d1aac8d2
PR-URL: https://github.com/nodejs/node/pull/12784 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
85 lines
2.0 KiB
JavaScript
85 lines
2.0 KiB
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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function Module(stdlib) {
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"use asm";
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var abs = stdlib.Math.abs;
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// f: double -> double
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function f(a) {
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a = +a;
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return +abs(a);
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}
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// g: unsigned -> double
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function g(a) {
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a = a | 0;
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return +abs(+(a >>> 0));
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}
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// h: signed -> double
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function h(a) {
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a = a|0;
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return +abs(+(a | 0));
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}
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return { f: f, g: g, h: h };
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}
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var m = Module({ Math: Math });
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var f = m.f;
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var g = m.g;
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var h = m.h;
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assertTrue(isNaN(f(NaN)));
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assertTrue(isNaN(f(undefined)));
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assertTrue(isNaN(f(function() {})));
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assertEquals("Infinity", String(1/f(0)));
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assertEquals("Infinity", String(1/f(-0)));
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assertEquals("Infinity", String(f(Infinity)));
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assertEquals("Infinity", String(f(-Infinity)));
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assertEquals(0, f(0));
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assertEquals(0.1, f(0.1));
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assertEquals(0.5, f(0.5));
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assertEquals(0.1, f(-0.1));
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assertEquals(0.5, f(-0.5));
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assertEquals(1, f(1));
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assertEquals(1.1, f(1.1));
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assertEquals(1.5, f(1.5));
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assertEquals(1, f(-1));
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assertEquals(1.1, f(-1.1));
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assertEquals(1.5, f(-1.5));
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assertEquals(0, g(0));
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assertEquals(0, g(0.1));
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assertEquals(0, g(0.5));
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assertEquals(0, g(-0.1));
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assertEquals(0, g(-0.5));
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assertEquals(1, g(1));
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assertEquals(1, g(1.1));
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assertEquals(1, g(1.5));
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assertEquals(4294967295, g(-1));
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assertEquals(4294967295, g(-1.1));
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assertEquals(4294967295, g(-1.5));
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assertEquals(0, h(0));
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assertEquals(0, h(0.1));
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assertEquals(0, h(0.5));
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assertEquals(0, h(-0.1));
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assertEquals(0, h(-0.5));
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assertEquals(1, h(1));
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assertEquals(1, h(1.1));
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assertEquals(1, h(1.5));
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assertEquals(1, h(-1));
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assertEquals(1, h(-1.1));
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assertEquals(1, h(-1.5));
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assertEquals(Number.MIN_VALUE, f(Number.MIN_VALUE));
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assertEquals(Number.MIN_VALUE, f(-Number.MIN_VALUE));
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assertEquals(Number.MAX_VALUE, f(Number.MAX_VALUE));
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assertEquals(Number.MAX_VALUE, f(-Number.MAX_VALUE));
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