include/metacode.h

   1 /*
   2  * $Id$
   3  *
   4  *                This source code is part of
   5  *
   6  *                 G   R   O   M   A   C   S
   7  *
   8  *          GROningen MAchine for Chemical Simulations
   9  *
  10  *                        VERSION 3.1
  11  * Copyright (c) 1991-2001, University of Groningen, The Netherlands
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * If you want to redistribute modifications, please consider that
  18  * scientific software is very special. Version control is crucial -
  19  * bugs must be traceable. We will be happy to consider code for
  20  * inclusion in the official distribution, but derived work must not
  21  * be called official GROMACS. Details are found in the README & COPYING
  22  * files - if they are missing, get the official version at www.gromacs.org.
  23  *
  24  * To help us fund GROMACS development, we humbly ask that you cite
  25  * the papers on the package - you can find them in the top README file.
  26  *
  27  * For more info, check our website at http://www.gromacs.org
  28  *
  29  * And Hey:
  30  * Getting the Right Output Means no Artefacts in Calculating Stuff
  31  */
  32
  33 #ifndef _metacode_h
  34 #define _metacode_h
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include <config.h>
  38 #endif
  39
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <stdarg.h>
  43 #include <types/simple.h>
  44
  45 #ifndef FALSE
  46 #define FALSE 0
  47 #endif
  48 #ifndef TRUE
  49 #define TRUE  1
  50 #endif
  51
  52 #define FCON "     &" /* continuation line in f77 */
  53 #define max(a,b) (((a) > (b)) ? (a) : (b))
  54
  55
  56 /* Array referencing shortcut */
  57 #define ARRAY(a,idx)          _array(#a,#idx)
  58
  59 typedef struct {
  60   char typename[150];
  61   char name[150];
  62   bool breferenced;
  63   bool bvector;
  64   bool bconst;
  65   char constval[50];
  66 } decl_t;         /* Argument and variable buffer element */
  67
  68 extern int prec;  /* precision (4=single, 8=double) */
  69 extern int IND;   /* current indentation */
  70 extern char *codebuffer; /* buffer to which code is written */
  71 extern char header[10000]; /* buffer for info and loop name */
  72 extern FILE *output;  /* output file */
  73 extern decl_t *decl_list; /* list with args and vars */
  74 extern int ndecl; /* length of above list */
  75 extern int nargs; /* first nargs are arguments, rest is vars */
  76
  77 extern bool bC;
  78
  79 /* Concatenate a string to a buffer with plus sign between terms. */
  80 void add_to_buffer(char *buffer,char *term);
  81
  82 /* initiate output buffers */
  83 void init_metacode(void);
  84
  85 /* write a function to file and empty buffers */
  86 void flush_buffers(void);
  87
  88 /* Return the correct indentation as a string */
  89 char *indent(void);
  90
  91 /* Print a line of code to the output file */
  92 void code(char *fmt, ...);
  93
  94 void newline(void);
  95
  96 /* Add a comment */
  97 void comment(char *s);
  98
  99 /* Define a new floating-point variable */
 100 void declare_real(char *name);
 101 void declare_real_vector(char *name);
 102
 103 void declare_const_real(char *name,double val);
 104 void declare_const_int(char *name,int val);
 105
 106 void declare_int(char *name);
 107 void declare_int_vector(char *name);
 108 void declare_real4(char *name);
 109 void declare_int4(char *name);
 110 void declare_int8(char *name);
 111 void declare_intreal(char *name);
 112 void declare_other(char *typename,char *name);
 113
 114 /* Cray vector pragma */
 115 void vector_pragma(void);
 116
 117
 118 char *_array(char *a,char *idx, ...);
 119
 120 void _p_state(char *left,char *right,char *symb);
 121
 122 void file_error(char *fn);
 123
 124 void assign(char *left, char *right, ...);
 125
 126 void increment(char *left,char *right, ...);
 127
 128 void decrement(char *left,char *right, ...);
 129
 130 void add(char *left,char *r1,char *r2, ...);
 131
 132 void subtract(char *left,char *r1,char *r2, ...);
 133
 134 void multiply(char *left,char *r1,char *r2, ...);
 135
 136 void closeit(void);
 137
 138 void usage(int argc,char *argv[]);
 139
 140 int count_lines(char *fn);
 141
 142 void edit_warning(char *fn);
 143
 144 void start_loop(char *lvar,char *from,char *to);
 145
 146 void start_stride_loop(char *lvar,char *from,char *to, char *stride);
 147
 148 void end_loop(void);
 149
 150 void start_if(char *cond);
 151 void do_else(void);
 152 void end_if(void);
 153
 154 void close_func(void);
 155
 156 #endif
 157