── DIMP ── ( ──<arithmetic expression>── , ──<arithmetic expression>───►
►─ ) ──────────────────────────────────────────────────────────────────┤

The DIMP function returns the following as a double-precision value:

first <arithmetic expression>IMPsecond <arithmetic expression>

Both arithmetic expressions are first extended to double-precision, if necessary, and the IMP operation is performed on all 96 bits.