Real Constant Expression

<real constant expression>

──┬─────┬─ <real constant primary> ────────────────────────────────────►
  ├─ + ─┤
  └─ ─ ─┘
►─┬─────────────────────────────────────────┬──────────────────────────┤
  │ ┌◄────────────────────────────────────┐ │
  └─┴─┬─ + ───┬─ <real constant primary> ─┴─┘
      ├─ ─ ───┤
      ├─ * ───┤
      ├─ / ───┤
      ├─ DIV ─┤
      └─ MOD ─┘

<real constant primary>

──┬─ <real constant> ─────────────────────────────────┬────────────────┤
  ├─ <real constant identifier> ──────────────────────┤
  ├─ HEX ── ( ── <string constant expression> ── ) ───┤
  ├─ OCTAL ── ( ── <string constant expression> ── ) ─┤
  ├─ <integer constant primary> ──────────────────────┤
  └─ ( ── <real constant expression> ── ) ────────────┘

Explanation

Refer to Real Expressions earlier in this section for explanations of the various kinds of real expressions.