75ac43928b
add floor, ceil, round (truncate and away from zero) for arm64. R=bmeurer@chromium.org, dcarney@chromium.org, mstarzinger@chromium.org, rodolph.perfetta@arm.com TEST=test/mjsunit/asm/math-floor.js,test/mjsunit/asm/math-ceil.js,test/unittest/compiler/js-builtin-reducer-unittest.cc Review URL: https://codereview.chromium.org/677433002 Cr-Commit-Position: refs/heads/master@{#25018} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@25018 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 ceil = stdlib.Math.ceil;
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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 ceil(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(0, f(0));
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assertEquals(+0, f(+0));
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assertEquals(-0, f(-0));
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assertEquals(1, f(0.49999));
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assertEquals(1, f(0.6));
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assertEquals(1, f(0.5));
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assertEquals(-0, f(-0.1));
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assertEquals(-0, f(-0.5));
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assertEquals(-0, f(-0.6));
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assertEquals(-1, f(-1.6));
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assertEquals(-0, f(-0.50001));
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assertEquals("Infinity", String(f(Infinity)));
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assertEquals("-Infinity", String(f(-Infinity)));
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