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function Re (z: Complex): Real; |
`Re' extracts the real part of the complex number `z'.
`Re' is an ISO-10206 Extended Pascal extension.
program ReDemo; var z: Complex; begin z := Cmplx (1, 2); WriteLn (Re (z) : 0 : 5) end. |
section 9.45 Cmplx, section 9.111 Im, section 9.13 Arg