Template which rounds it's argument to an integer, rounding halves to the closest even integer.
No rounding:
{{RoundToEven|1}}: NOT HALF
{{RoundToEven|2}}: NOT HALF
{{RoundToEven|3}}: NOT HALF
Normal rounding:
{{RoundToEven|0.4}}: NOT HALF
{{RoundToEven|0.6}}: NOT HALF
{{RoundToEven|1.5}}: HALF
{{RoundToEven|3.5}}: HALF
Rounding to even:
{{RoundToEven|0.5}}: HALF
{{RoundToEven|2.5}}: HALF
{{RoundToEven|4.5}}: HALF
{{RoundToEven|6.5}}: HALF