1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 function Module(stdlib) { 6 "use asm"; 7 8 var floor = stdlib.Math.floor; 9 10 // f: double -> float 11 function f(a) { 12 a = +a; 13 return floor(a); 14 } 15 16 return { f: f }; 17 } 18 19 var f = Module({ Math: Math }).f; 20 21 assertTrue(isNaN(f(NaN))); 22 assertTrue(isNaN(f(undefined))); 23 assertTrue(isNaN(f(function() {}))); 24 25 assertEquals(0, f(0)); 26 assertEquals(+0, f(+0)); 27 assertEquals(-0, f(-0)); 28 assertEquals(0, f(0.49999)); 29 assertEquals(+0, f(0.6)); 30 assertEquals(+0, f(0.5)); 31 assertEquals(-1, f(-0.1)); 32 assertEquals(-1, f(-0.5)); 33 assertEquals(-1, f(-0.6)); 34 assertEquals(-2, f(-1.6)); 35 assertEquals(-1, f(-0.50001)); 36 37 assertEquals("Infinity", String(f(Infinity))); 38 assertEquals("-Infinity", String(f(-Infinity))); 39
