32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
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// Copyright 2016 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, env, heap) {
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"use asm";
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var a = new stdlib.Int32Array(heap);
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var b = new stdlib.Float32Array(heap);
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var fround = stdlib.Math.fround;
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var value = env.value|0;
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function foo() {
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var x = fround(0.0);
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x = (a[0]=value|0,fround(b[0]));
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return fround(x);
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}
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return { foo: foo };
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}
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var buffer = new ArrayBuffer(32);
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assertEquals(0.0, Module(this, {value: 0x00000000}, buffer).foo());
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assertEquals(-0.0, Module(this, {value: 0x80000000}, buffer).foo());
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assertEquals(5.0, Module(this, {value: 0x40a00000}, buffer).foo());
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assertEquals(-5.0, Module(this, {value: 0xc0a00000}, buffer).foo());
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assertEquals(129.375, Module(this, {value: 0x43016000}, buffer).foo());
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assertEquals(-129.375, Module(this, {value: 0xc3016000}, buffer).foo());
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assertEquals(Infinity, Module(this, {value: 0x7f800000}, buffer).foo());
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assertEquals(-Infinity, Module(this, {value: 0xff800000}, buffer).foo());
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assertEquals(NaN, Module(this, {value: 0x7fffffff}, buffer).foo());
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