lassie% a.out
x? 3.14159
places? 3
3.141590 rounded to 3 places: 3.142
x? 7.33313241
places? 5
7.333132 rounded to 5 places: 7.33313
x? -2.94
places? 1
-2.940000 rounded to 1 places: -2.9
x? -2.94
places? 0
-2.940000 rounded to 0 places: -3
x? -1
places? -1