blob: 18a5a0b2c3d55b82f107cdf6495c36b41d075ac6 [file] [log] [blame]
// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function Module(stdlib) {
"use asm";
var floor = stdlib.Math.floor;
// f: double -> float
function f(a) {
a = +a
return +floor(a);
}
return { f: f };
}
var f = Module({ Math: Math }).f;
assertTrue(isNaN(f(NaN)));
assertTrue(isNaN(f(undefined)));
assertTrue(isNaN(f(function() {})));
assertEquals(0, f(0));
assertEquals(+0, f(+0));
assertEquals(-0, f(-0));
assertEquals(0, f(0.49999));
assertEquals(+0, f(0.6));
assertEquals(+0, f(0.5));
assertEquals(-1, f(-0.1));
assertEquals(-1, f(-0.5));
assertEquals(-1, f(-0.6));
assertEquals(-2, f(-1.6));
assertEquals(-1, f(-0.50001));
assertEquals("Infinity", String(f(Infinity)));
assertEquals("-Infinity", String(f(-Infinity)));