michael@0: // vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0: function randomFloat () {
michael@0:     // note that in fuzz-testing, this can used as the size of a buffer to allocate.
michael@0:     // so it shouldn't return astronomic values. The maximum value 10000000 is already quite big.
michael@0:     var fac = 1.0;
michael@0:     var r = Math.random();
michael@0:     if (r < 0.25)
michael@0:         fac = 10;
michael@0:     else if (r < 0.7)
michael@0:         fac = 10000000;
michael@0:     else if (r < 0.8)
michael@0:         fac = NaN;
michael@0:     return -0.5*fac + Math.random() * fac;
michael@0: }
michael@0: 
michael@0: for (var i = 0; i < 100000; i++)
michael@0:     randomFloat();
michael@0: