// big number1000000000000000000000000000.0 => float n;// overflow itrepeat( 20 ) n *=> n;// test it<<< Math.isinf( n ) >>>;// bye sanity0 *=> n;// test it<<< Math.isnan( n ) >>>; // *** RE-ENABLED in 1.4.2.1; differences due the fast-math compiler flag// for example, if -ffast-math enabled, the above returns 1 on Mac // intel but 0 on Mac arm64; fast-math is now disabled by default *** // more<<< 1.0 / 0.0 => Math.isinf >>>;// *** the following alos differs if fast-math is enabled<<< 0.0 / 0.0 => Math.isnan >>>;<<< Math.INFINITY, -Math.INFINITY >>>;<<< Math.INFINITY => Math.isinf >>>;