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-
- (*
- * Copyright 1987, 1989 Samuel H. Smith; All rights reserved
- *
- * This is a component of the ProDoor System.
- * Do not distribute modified versions without my permission.
- * Do not remove or alter this notice or any other copyright notice.
- * If you use this in your own program you must distribute source code.
- * Do not use any of this in a commercial product.
- *
- *)
-
- function dtof(B: double): real;
- {convert 8 byte double to real}
- var
- PasReal: real;
- R: array [0..5] of byte absolute PasReal;
- begin
- PasReal := 0;
- move(B[2],R[1],5);
- R[0] := B[7];
- dtof := PasReal;
- end;
-
- function dtol(B: double): longint;
- {convert 8 byte double to long integer}
- begin
- dtol := trunc(dtof(B));
- end;
-
- procedure ftod(PasReal: real; var B: double);
- {convert real to 8 byte double}
- var
- R: array [0..5] of byte absolute PasReal;
- begin
- fillchar(B[0],8,0);
- B[7] := R[0];
- move(R[1],B[2],5);
- end;
-
-
- (*-----------------------------------------------------------------*)
- procedure incd(var d: double; n: real);
- begin
- ftod( int(dtof(d)) + n, d );
- end;
-
-