- unsigned long long mask;
- if (type.floating)
- mask = ~(unsigned long long)0;
- else if (type.fixed)
- mask = ((unsigned long long)1 << (type.width / 2)) - 1;
- else if (type.sign)
- mask = ((unsigned long long)1 << (type.width - 1)) - 1;
- else
- mask = ((unsigned long long)1 << type.width) - 1;
- value += (double)(mask & rand());
+ if (type.floating) {
+ value *= 2.0;
+ }
+ else {
+ unsigned long long mask;
+ if (type.fixed)
+ mask = ((unsigned long long)1 << (type.width / 2)) - 1;
+ else if (type.sign)
+ mask = ((unsigned long long)1 << (type.width - 1)) - 1;
+ else
+ mask = ((unsigned long long)1 << type.width) - 1;
+ value += (double)(mask & rand());
+ if (!type.fixed && !type.sign && type.width == 32) {
+ /*
+ * rand only returns half the possible range
+ * XXX 64bit values...
+ */
+ if(rand() & 1)
+ value += (double)0x80000000;
+ }
+ }