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Meeting Pearls 2
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Meeting Pearls Vol. II (1995)(GTI - Schatztruhe)[!].iso
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Oberon_Interfaces
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MathFFP.mod
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1994-03-05
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2KB
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66 lines
(*
(*
** Amiga Oberon Interface Module:
** $VER: MathFFP.mod 40.15 (28.12.93) Oberon 3.0
**
** © 1993 by Fridtjof Siebert
*)
*)
MODULE MathFFP;
IMPORT
Exec *;
CONST
pi * = 3.141592653589793;
twoPi * = 2 * pi;
pi2 * = pi / 2;
pi4 * = pi / 4;
e * = 2.718281828459045;
log10 * = 2.302585092994046;
fpTen * = 10;
fpOne * = 1;
fpHalf * = 1/2;
fpZero * = 0;
CONST
MathFFPName * = "mathffp.library";
VAR
base * : Exec.LibraryPtr;
(*--- functions in V33 or higher (Release 1.2) ---*)
PROCEDURE Fix * {base,-30}(x{0} : REAL): LONGINT;
PROCEDURE Flt * {base,-36}(x{0} : LONGINT): REAL;
PROCEDURE Cmp * {base,-42}(x{1} : REAL;
y{0} : REAL): LONGINT;
PROCEDURE Tst * {base,-48}(x{1} : REAL): LONGINT;
PROCEDURE Abs * {base,-54}(x{0} : REAL): REAL;
PROCEDURE Neg * {base,-60}(x{0} : REAL): REAL;
PROCEDURE Add * {base,-66}(x{0} : REAL;
y{1} : REAL): REAL;
PROCEDURE Sub * {base,-72}(x{0} : REAL;
y{1} : REAL): REAL;
PROCEDURE Mul * {base,-78}(x{0} : REAL;
y{1} : REAL): REAL;
PROCEDURE Div * {base,-84}(x{0} : REAL;
y{1} : REAL): REAL;
PROCEDURE Floor* {base,-90}(x{0} : REAL): REAL;
PROCEDURE Ceil * {base,-96}(x{0} : REAL): REAL;
(* $OvflChk- $RangeChk- $StackChk- $NilChk- $ReturnChk- $CaseChk- *)
BEGIN
base := Exec.OpenLibrary(MathFFPName,33);
IF base=NIL THEN HALT(20) END;
CLOSE
IF base#NIL THEN Exec.CloseLibrary(base) END;
END MathFFP.