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e473effb566bd6b0a979f90370a5219ce3910c33
[pf3gnuchains/gcc-fork.git] / libgfortran / m4 / specific.m4
1 include(head.m4)
2 define(atype_code,regexp(file,`_\([ircl][0-9]+\).[fF]90',`\1'))dnl
3 define(atype_letter,substr(atype_code, 0, 1))dnl
4 define(atype_kind,substr(atype_code, 1))dnl
5 define(get_typename2, `$1 (kind=$2)')dnl
6 define(get_typename, `get_typename2(ifelse($1,i,integer,ifelse($1,r,real,ifelse($1,l,logical,ifelse($1,c,complex,unknown)))),`$2')')dnl
7 define(atype_name, get_typename(atype_letter,atype_kind))dnl
8 define(name, regexp(regexp(file, `[^/]*$', `\&'), `^_\([^_]*\)_', `\1'))dnl
9 define(function_name,`specific__'name`_'atype_code)dnl
10
11 define(type,ifelse(atype_letter,l,LOGICAL,ifelse(atype_letter,i,INTEGER,ifelse(atype_letter,r,REAL,ifelse(atype_letter,c,COMPLEX,UNKNOW)))))dnl
12 define(Q,ifelse(atype_kind,4,F,ifelse(atype_kind,8,`',ifelse(atype_kind,10,L,ifelse(atype_kind,16,L,`_'atype_kind)))))dnl
13
14 dnl A few specifics require a function other than their name, or
15 dnl nothing. The list is currently:
16 dnl    - integer and logical specifics require no libm function
17 dnl    - AINT requires the trunc() family functions
18 dnl    - ANINT requires round()
19 dnl    - CONJG, DIM, SIGN require no libm function
20 define(needed,ifelse(atype_letter,i,`none',ifelse(atype_letter,l,`none',ifelse(name,aint,trunc,ifelse(name,anint,round,ifelse(name,conjg,none,ifelse(name,dim,none,ifelse(name,sign,none,ifelse(name,abs,fabs,name)))))))))dnl
21 define(prefix,ifelse(atype_letter,c,C,`'))dnl
22
23 dnl Special case for fabs, for which the corresponding complex function
24 dnl is not cfabs but cabs.
25 define(NEEDED,translit(ifelse(prefix`'needed,`Cfabs',`abs',needed),`a-z',`A-Z'))dnl
26
27 #include "config.h"
28 #include "kinds.inc"
29 #include "c99_protos.inc"
30
31 `#if defined (HAVE_GFC_'type`_'atype_kind`)'
32 ifelse(NEEDED,NONE,`',`#ifdef HAVE_'prefix`'NEEDED`'Q)
33
34 elemental function function_name (parm)
35    atype_name, intent (in) :: parm
36    atype_name :: function_name
37
38    function_name = name (parm)
39 end function
40
41 ifelse(NEEDED,NONE,`',`#endif')
42 #endif