TRUNC

The IEC Operators and additional, norm-extending \ functions Converting from REAL to INT. The whole number portion of the value will be used.

When you perform a type conversion from a larger to a smaller type, you risk losing some information.

Example in IL:

LD 2.7  TRUNC  GE %MW8

Examples in ST:

i:=TRUNC(1.9); (* Result is 1 *)
i:=TRUNC(-1.4); (* Result is -1 *)