ASMB,L,R,C
* 
*  **************************************************************** 
*  * (C) COPYRIGHT HEWLETT-PACKARD COMPANY 1979.  ALL RIGHTS      * 
*  * RESERVED.  NO PART OF THIS PROGRAM MAY BE PHOTOCOPIED,       * 
*  * REPRODUCED OR TRANSLATED TO ANOTHER PROGRAM LANGUAGE WITHOUT * 
*  * THE PRIOR WRITTEN CONSENT OF HEWLETT-PACKARD COMPANY.        * 
*  **************************************************************** 
* 
*   NAME: PART OF MATH LIBRARY
*   SOURCE:  24998-18XXX  SEE NAM FOR LAST THREE DIGITS 
*   RELOC: PART OF 24998-12001
*   PGMR: BG & JTS
* 
      HED "FLTDR" - FORTRAN INTERFACE TO .FLTD .
      NAM FLTDR,7 24998-1X100 REV.2001 790417 
* 
      ENT FLTDR 
      EXT .FLTD,.ENTR 
* 
*     FLTDR PROVIDES A FORTRAN-CALLABLE CONVERSION FROM 
*     DOUBLE INTEGER TO SINGLE-PRECISION (32-BIT) 
*     FLOATING-POINT. 
* 
*     CALLING SEQUENCE: 
* 
*                   A = FLTDR(X)
* 
*     WHERE X IS DECLARED REAL BUT CONTAINS A DOUBLE
*     INTEGER VALUE.
* 
*     OVERFLOW CANNOT OCCUR, BUT PRECISION MAY BE LOST
*     SINCE SINGLE PRECISION CARRIES ONLY 23 BITS AND 
*     DOUBLE INTEGER HAS 31.  EXCESS BITS ARE TRUNCATED,
*     SO THE VALUE OF THE RESULT IS ALWAYS LESS THAN OR 
*     EQUAL TO THE VALUE OF THE ARGUMENT: IF IT IS NEGATIVE,
*     THE ABSOLUTE VALUE IS GREATER THAN OR EQUAL TO. 
      SPC 3 
FLTDA DEF *-* 
FLTDR NOP 
      JSB .ENTR     COPY ADDRESS. 
      DEF FLTDA 
      DLD FLTDA,I   DO OPERATION. 
      JSB .FLTD 
      JMP FLTDR,I   EXIT. RESULT IS IN (A,B)
* 
      END 
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