[問題] 關於random generator
我目前用rand()/(double)RAND_MAX
來產生0~1之間的亂數
想請問如果產生-1~1之間的亂數?
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→
06/06 16:42, , 1F
06/06 16:42, 1F
推
06/06 16:50, , 2F
06/06 16:50, 2F
→
06/06 16:58, , 3F
06/06 16:58, 3F
→
06/06 17:02, , 4F
06/06 17:02, 4F
推
06/06 19:04, , 5F
06/06 19:04, 5F
→
06/06 20:10, , 6F
06/06 20:10, 6F
→
06/06 20:16, , 7F
06/06 20:16, 7F
→
06/06 22:11, , 8F
06/06 22:11, 8F
→
06/06 22:47, , 9F
06/06 22:47, 9F
→
06/06 22:54, , 10F
06/06 22:54, 10F
推
06/07 01:17, , 11F
06/07 01:17, 11F
推
06/07 08:18, , 12F
06/07 08:18, 12F
→
06/07 08:47, , 13F
06/07 08:47, 13F
→
06/07 18:45, , 14F
06/07 18:45, 14F