-[(]expression[)]

The operand for the unary minus operator (-) must be arithmetic type. The unary operator is placed before an operand, linking from the right to the left.

Specifying the negative unary operator for a negative value will return a positive value. Specifying the positive unary operator for a negative value will return a negative value.

const integer NG_END = -1;           //Statement in the DEFINE section
integer sloopcnt, sloopmax, sloopmin;
sloopcnt = -(sloopmax - sloopmin);   //Statement in the MAIN section