line: floor 1.1 = 1
line: floor 2.0 = 2
line: floor -1.1 = -2
line: floor -2.0 = -2

line: ceil 1.1 = 2
line: ceil 2.0 = 2
line: ceil -1.1 = -1
line: ceil -2.0 = -2

line: int 1.1 = 1
line: int 2.0 = 2
line: int -1.1 = -1
line: int -2.0 = -2

# float precision makes these tricky, skipping tests for now
# line: decimal 1.353 = 0.353
# line: decimal -1.554 = 0.554

line: dec 10.0 = 9
line: dec 10.1 = 10

line: inc 11.0 = 12
line: inc 10.1 = 11

line: round 10.1 = 10
line: round 10.9 = 11
line: round 10.5 = 11

line: round_places 10.155 to 2 places = 10.16
line: round_places 10.955 to 0 places = 11
line: round_places 10.50011 to 4 places = 10.5001

line: clamp 1 (2->4) = 2
line: clamp 2 (2->4) = 2
line: clamp 3 (2->4) = 3
line: clamp 4 (2->4) = 4
line: clamp 5 (2->4) = 4

line: clampf 1.0 (2.1->2.9) = 2.1
line: clampf 2.1 (2.1->2.9) = 2.1
line: clampf 2.4 (2.1->2.9) = 2.4
line: clampf 2.9 (2.1->2.9) = 2.9
line: clampf 3.0 (2.1->2.9) = 2.9