Four Dealings with the Number in NetLogo: "round","precision", "ceiling", "floor" in NetLogo

• round

round number

Reports the integer nearest to number.

If the decimal portion of number is exactly .5, the number is rounded in the positive direction.

show round 4.2

=> 4

show round 4.5

=> 5

show round -4.5

=> -4

• precision

precision number places

Reports number rounded to places decimal places.

If places is negative, the rounding takes place to the left of the decimal point.

show precision 1.23456789 3

=> 1.235

show precision 3834 -3

=> 4000

  

• ceiling

ceiling number

Reports the smallest integer greater than or equal to number.

show ceiling 4.5

=> 5

show ceiling -4.5

=> -4

  

• floor

floor number

Reports the largest integer less than or equal to number.

show floor 4.5

=> 4

show floor -4.5

=> -5