xref: /netbsd-src/external/gpl3/gcc/dist/libgfortran/m4/specific.m4 (revision b1e838363e3c6fc78a55519254d99869742dd33c)
1include(head.m4)
2define(atype_code,regexp(file,`_\([ircl][0-9]+\).[fF]90',`\1'))dnl
3define(atype_letter,substr(atype_code, 0, 1))dnl
4define(atype_kind,substr(atype_code, 1))dnl
5define(get_typename2, `$1 (kind=$2)')dnl
6define(get_typename, `get_typename2(ifelse($1,i,integer,ifelse($1,r,real,ifelse($1,l,logical,ifelse($1,c,complex,unknown)))),`$2')')dnl
7dnl
8dnl KIND=17 is special: This is just a naming convention
9dnl in the library, for Fortran source code KIND=16 is needed
10dnl
11define(name_kind, ifelse(atype_kind,17,16,atype_kind))dnl
12define(atype_name, get_typename(atype_letter,name_kind))dnl
13define(name, regexp(regexp(file, `[^/]*$', `\&'), `^_\([^_]*\)_', `\1'))dnl
14define(rtype_name,get_typename(ifelse(name,abs,ifelse(atype_letter,c,r,atype_letter),ifelse(name,aimag,ifelse(atype_letter,c,r,atype_letter),atype_letter)),name_kind))dnl
15define(function_name,dnl
16ifelse(name,conjg,`_gfortran_specific__conjg_'atype_kind,`_gfortran_specific__'name`_'atype_code))dnl
17
18define(type,dnl
19ifelse(atype_letter,l,LOGICAL,dnl
20ifelse(atype_letter,i,INTEGER,dnl
21ifelse(atype_letter,r,REAL,dnl
22ifelse(atype_letter,c,COMPLEX,UNKNOW)))))dnl
23define(Q,ifelse(atype_kind,4,F,
24ifelse(atype_kind,8,`',
25ifelse(atype_kind,10,L,
26ifelse(atype_kind,16,L,
27ifelse(atype_kind,17,L,
28`_'atype_kind))))))dnl
29
30dnl A few specifics require a function other than their name, or
31dnl nothing. The list is currently:
32dnl    - integer and logical specifics require no libm function
33dnl    - AINT requires the trunc() family functions
34dnl    - ANINT requires round()
35dnl    - AIMAG, CONJG, DIM, SIGN require no libm function
36define(needed,dnl
37ifelse(atype_letter,i,`none',dnl
38ifelse(atype_letter,l,`none',dnl
39ifelse(name,aint,trunc,dnl
40ifelse(name,anint,round,dnl
41ifelse(name,aimag,none,dnl
42ifelse(name,conjg,none,dnl
43ifelse(name,dim,none,dnl
44ifelse(name,sign,none,dnl
45ifelse(name,abs,fabs,name))))))))))dnl
46define(prefix,ifelse(atype_letter,c,C,`'))dnl
47
48dnl Special case for fabs, for which the corresponding complex function
49dnl is not cfabs but cabs.
50define(NEEDED,translit(ifelse(prefix`'needed,`Cfabs',`abs',needed),`a-z',`A-Z'))dnl
51
52#include "config.h"
53#include "kinds.inc"
54#include "c99_protos.inc"
55
56`#if defined (HAVE_GFC_'type`_'atype_kind`)'
57ifelse(NEEDED,NONE,`',`#ifdef HAVE_'prefix`'NEEDED`'Q)
58
59elemental function function_name (parm)
60   atype_name, intent (in) :: parm
61   rtype_name :: function_name
62
63   function_name = name (parm)
64end function
65
66ifelse(NEEDED,NONE,`',`#endif')
67#endif
68