47ec735026
R=bmeurer@chromium.org Review URL: https://codereview.chromium.org/606583002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24215 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
39 lines
1.0 KiB
JavaScript
39 lines
1.0 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 fround = stdlib.Math.fround;
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// f: double -> float
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function f(a) {
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a = +a;
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return fround(a);
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}
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return { f: f };
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}
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var f = Module({ Math: Math }).f;
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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("Infinity", String(f(1E200)));
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assertEquals("-Infinity", String(f(-1E200)));
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assertEquals("Infinity", String(1/f(1E-300)));
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assertEquals("-Infinity", String(1/f(-1E-300)));
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assertEquals(0, f(0));
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assertEquals(1, f(1));
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assertEquals(1.5, f(1.5));
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assertEquals(1.3370000123977661, f(1.337));
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assertEquals(-4.300000190734863, f(-4.3));
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