nan.js (536B)
1 // Copyright (C) 2016 The V8 Project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 esid: sec-math.clz32 6 description: > 7 Return 32 if x is NaN 8 info: | 9 Math.clz32 ( x ) 10 11 1. Let n be ToUint32(x). 12 2. Let p be the number of leading zero bits in the 32-bit binary representation of n. 13 3. Return p. 14 15 7.1.6 ToUint32 ( argument ) 16 17 [...] 18 2. If number is NaN, +0, -0, +∞, or -∞, return +0. 19 [...] 20 ---*/ 21 22 assert.sameValue(Math.clz32(NaN), 32); 23 24 reportCompare(0, 0);