1  /* do not edit automatically generated by mc from dtoa.  */
       2  /* dtoa.def provides routines to convert between a C double.
       3  
       4  Copyright (C) 2008-2023 Free Software Foundation, Inc.
       5  Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
       6  
       7  This file is part of GNU Modula-2.
       8  
       9  GNU Modula-2 is free software; you can redistribute it and/or modify
      10  it under the terms of the GNU General Public License as published by
      11  the Free Software Foundation; either version 3, or (at your option)
      12  any later version.
      13  
      14  GNU Modula-2 is distributed in the hope that it will be useful, but
      15  WITHOUT ANY WARRANTY; without even the implied warranty of
      16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17  General Public License for more details.
      18  
      19  Under Section 7 of GPL version 3, you are granted additional
      20  permissions described in the GCC Runtime Library Exception, version
      21  3.1, as published by the Free Software Foundation.
      22  
      23  You should have received a copy of the GNU General Public License and
      24  a copy of the GCC Runtime Library Exception along with this program;
      25  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      26  <http://www.gnu.org/licenses/>.  */
      27  
      28  
      29  #if !defined (_dtoa_H)
      30  #   define _dtoa_H
      31  
      32  #include "config.h"
      33  #include "system.h"
      34  #   ifdef __cplusplus
      35  extern "C" {
      36  #   endif
      37  #include <stdbool.h>
      38  #   if !defined (PROC_D)
      39  #      define PROC_D
      40         typedef void (*PROC_t) (void);
      41         typedef struct { PROC_t proc; } PROC;
      42  #   endif
      43  
      44  #   include "GSYSTEM.h"
      45  
      46  #   if defined (_dtoa_C)
      47  #      define EXTERN
      48  #   else
      49  #      define EXTERN extern
      50  #   endif
      51  
      52  typedef enum {dtoa_maxsignificant, dtoa_decimaldigits} dtoa_Mode;
      53  
      54  
      55  /*
      56     strtod - returns a REAL given a string, s.  It will set
      57              error to TRUE if the number is too large.
      58  */
      59  
      60  EXTERN double dtoa_strtod (void * s, bool *error);
      61  
      62  /*
      63     dtoa - converts a REAL, d, into a string.  The address of the
      64            string is returned.
      65            mode       indicates the type of conversion required.
      66            ndigits    determines the number of digits according to mode.
      67            decpt      the position of the decimal point.
      68            sign       does the string have a sign?
      69  */
      70  
      71  EXTERN void * dtoa_dtoa (double d, dtoa_Mode mode, int ndigits, int *decpt, bool *sign);
      72  #   ifdef __cplusplus
      73  }
      74  #   endif
      75  
      76  #   undef EXTERN
      77  #endif