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92 lines
1.8 KiB
OpenEdge ABL
92 lines
1.8 KiB
OpenEdge ABL
{
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Created: Thursday, March 15, 1990 at 8:43 AM
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FixMath.p
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Pascal Interface to Fixed Point Math
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Copyright Apple Computer, Inc. 1985-1991
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All rights reserved
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This file is used in these builds: BigBang
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Change History (most recent first):
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<4> 8/8/91 JL Updated Copyright.
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<3> 11/7/90 VL (&dba) Moved the necessary inline out of the MC68881
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conditional.
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<2> 11/5/90 JL Adding conditional for MC6881
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}
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{$IFC UNDEFINED UsingIncludes}
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{$SETC UsingIncludes := 0}
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{$ENDC}
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{$IFC NOT UsingIncludes}
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UNIT FixMath;
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INTERFACE
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{$ENDC}
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{$IFC UNDEFINED UsingFixMath}
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{$SETC UsingFixMath := 1}
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{$I+}
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{$SETC FixMathIncludes := UsingIncludes}
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{$SETC UsingIncludes := 1}
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{$IFC UNDEFINED UsingTypes}
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{$I $$Shell(PInterfaces)Types.p}
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{$ENDC}
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{$SETC UsingIncludes := FixMathIncludes}
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FUNCTION Fix2Frac(x: Fixed): Fract;
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INLINE $A841;
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FUNCTION Fix2Long(x: Fixed): LONGINT;
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INLINE $A840;
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FUNCTION FixATan2(x: LONGINT;y: LONGINT): Fixed;
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INLINE $A818;
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FUNCTION Long2Fix(x: LONGINT): Fixed;
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INLINE $A83F;
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FUNCTION Frac2Fix(x: Fract): Fixed;
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INLINE $A842;
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{$IFC OPTION(MC68881)}
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FUNCTION Frac2X(x: Fract): Extended;
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FUNCTION Fix2X(x: Fixed): Extended;
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FUNCTION X2Fix(x: Extended): Fixed;
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FUNCTION X2Frac(x: Extended): Fract;
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{$ELSEC}
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FUNCTION Frac2X(x: Fract): Extended;
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INLINE $A845;
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FUNCTION Fix2X(x: Fixed): Extended;
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INLINE $A843;
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FUNCTION X2Fix(x: Extended): Fixed;
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INLINE $A844;
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FUNCTION X2Frac(x: Extended): Fract;
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INLINE $A846;
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{$ENDC}
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FUNCTION FracMul(x: Fract;y: Fract): Fract;
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INLINE $A84A;
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FUNCTION FixDiv(x: Fixed;y: Fixed): Fixed;
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INLINE $A84D;
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FUNCTION FracDiv(x: Fract;y: Fract): Fract;
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INLINE $A84B;
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FUNCTION FracSqrt(x: Fract): Fract;
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INLINE $A849;
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FUNCTION FracSin(x: Fixed): Fract;
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INLINE $A848;
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FUNCTION FracCos(x: Fixed): Fract;
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INLINE $A847;
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{$ENDC} { UsingFixMath }
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{$IFC NOT UsingIncludes}
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END.
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{$ENDC}
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