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cfbf9e0d14
PR-URL: https://github.com/nodejs/node/pull/52465 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
// Copyright 2024 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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// Flags: --turbofan --no-always-turbofan --js-float16array
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function storeAndLoad (x) {
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var a = new Float16Array(1)
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a[0] = x
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return a[0]
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}
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function assertAlmostEquals (expected, actual, epsilon = 1e-4) {
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assertTrue(
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Math.abs(expected - actual) < epsilon,
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`value difference bigger than ${epsilon} got ${actual} expected ${expected}`
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)
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}
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assertAlmostEquals(0, storeAndLoad(0))
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assertAlmostEquals(0.1, storeAndLoad(0.1))
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assertAlmostEquals(0.01, storeAndLoad(0.01))
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assertAlmostEquals(0.001, storeAndLoad(0.001))
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assertAlmostEquals(0.0001, storeAndLoad(0.0001))
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assertAlmostEquals(0.00001, storeAndLoad(0.00001))
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assertAlmostEquals(12, storeAndLoad(12))
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assertAlmostEquals(32, storeAndLoad(32))
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assertAlmostEquals(123, storeAndLoad(123))
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assertAlmostEquals(12.12, storeAndLoad(12.12), 0.01)
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assertAlmostEquals(32.333, storeAndLoad(32.333), 0.015)
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assertAlmostEquals(123.11, storeAndLoad(123.11), 0.0151)
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assertEquals(NaN, storeAndLoad(NaN))
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assertEquals(Infinity, storeAndLoad(Infinity))
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assertEquals(-Infinity, storeAndLoad(-Infinity))
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const source = new Float16Array([0.1, 0.2, 0.3])
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const copied = new Float32Array(source)
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for (let i = 0; i < source.length; i++) {
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assertAlmostEquals(source[i], copied[i])
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}
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