/* Common declarations for all of libgfor.
- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>, and
Andy Vaught <andy@xena.eas.asu.edu>
You should have received a copy of the GNU Lesser General Public
License along with libgfor; see the file COPYING.LIB. If not,
-write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
/* As a special exception, if you link this library with other files,
some of which are compiled with GCC, to produce an executable,
#define M_PI 3.14159265358979323846264338327
#endif
-#include "config.h"
-#include "c99_protos.h"
-
#if HAVE_COMPLEX_H
# include <complex.h>
#else
#define complex __complex__
#endif
+#include "config.h"
+#include "c99_protos.h"
+
#if HAVE_IEEEFP_H
#include <ieeefp.h>
#endif
/* The isfinite macro is only available with C99, but some non-C99
systems still provide fpclassify, and there is a `finite' function
- in BSD. When isfinite is not available, try to use one of the
+ in BSD.
+
+ Also, isfinite is broken on Cygwin.
+
+ When isfinite is not available, try to use one of the
alternatives, or bail out. */
+
+#if defined(HAVE_BROKEN_ISFINITE) || defined(__CYGWIN__)
+#undef isfinite
+#endif
+
+#if defined(HAVE_BROKEN_ISNAN)
+#undef isnan
+#endif
+
+#if defined(HAVE_BROKEN_FPCLASSIFY)
+#undef fpclassify
+#endif
+
#if !defined(isfinite)
-static inline int
-isfinite (double x)
-{
-#if defined(fpclassify)
- return (fpclassify(x) != FP_NAN && fpclassify(x) != FP_INFINITE);
-#elif defined(HAVE_FINITE)
- return finite (x);
+#if !defined(fpclassify)
+#define isfinite(x) ((x) - (x) == 0)
#else
-#error "libgfortran needs isfinite, fpclassify, or finite"
-#endif
-}
+#define isfinite(x) (fpclassify(x) != FP_NAN && fpclassify(x) != FP_INFINITE)
+#endif /* !defined(fpclassify) */
+#endif /* !defined(isfinite) */
+
+#if !defined(isnan)
+#if !defined(fpclassify)
+#define isnan(x) ((x) != (x))
+#else
+#define isnan(x) (fpclassify(x) == FP_NAN)
+#endif /* !defined(fpclassify) */
#endif /* !defined(isfinite) */
/* TODO: find the C99 version of these an move into above ifdef. */
#define IMAGPART(z) (__imag__(z))
#define COMPLEX_ASSIGN(z_, r_, i_) {__real__(z_) = (r_); __imag__(z_) = (i_);}
-typedef int8_t GFC_INTEGER_1;
-typedef int16_t GFC_INTEGER_2;
-typedef int32_t GFC_INTEGER_4;
-typedef int64_t GFC_INTEGER_8;
-typedef uint8_t GFC_UINTEGER_1;
-typedef uint16_t GFC_UINTEGER_2;
-typedef uint32_t GFC_UINTEGER_4;
-typedef uint64_t GFC_UINTEGER_8;
-typedef GFC_INTEGER_4 GFC_LOGICAL_4;
-typedef GFC_INTEGER_8 GFC_LOGICAL_8;
-typedef float GFC_REAL_4;
-typedef double GFC_REAL_8;
-typedef complex float GFC_COMPLEX_4;
-typedef complex double GFC_COMPLEX_8;
+#include "kinds.h"
/* The following two definitions must be consistent with the types used
by the compiler. */
/* The type used of array indices, amongst other things. */
-typedef size_t index_type;
+typedef ssize_t index_type;
/* The type used for the lengths of character variables. */
typedef GFC_INTEGER_4 gfc_charlen_type;
(GFC_INTEGER_4)((((GFC_UINTEGER_4)1) << 31) - 1)
#define GFC_INTEGER_8_HUGE \
(GFC_INTEGER_8)((((GFC_UINTEGER_8)1) << 63) - 1)
+#ifdef HAVE_GFC_INTEGER_16
+#define GFC_INTEGER_16_HUGE \
+ (GFC_INTEGER_16)((((GFC_UINTEGER_16)1) << 127) - 1)
+#endif
+
#define GFC_REAL_4_HUGE FLT_MAX
#define GFC_REAL_8_HUGE DBL_MAX
+#ifdef HAVE_GFC_REAL_10
+#define GFC_REAL_10_HUGE LDBL_MAX
+#endif
+#ifdef HAVE_GFC_REAL_16
+#define GFC_REAL_16_HUGE LDBL_MAX
+#endif
#ifndef GFC_MAX_DIMENSIONS
#define GFC_MAX_DIMENSIONS 7
#define GFC_ARRAY_DESCRIPTOR(r, type) \
struct {\
type *data;\
- type *base;\
+ size_t offset;\
index_type dtype;\
descriptor_dimension dim[r];\
}
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, char) gfc_array_char;
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_4) gfc_array_i4;
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_8) gfc_array_i8;
+#ifdef HAVE_GFC_INTEGER_16
+typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_INTEGER_16) gfc_array_i16;
+#endif
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_4) gfc_array_r4;
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_8) gfc_array_r8;
+#ifdef HAVE_GFC_REAL_10
+typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_10) gfc_array_r10;
+#endif
+#ifdef HAVE_GFC_REAL_16
+typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_REAL_16) gfc_array_r16;
+#endif
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_4) gfc_array_c4;
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_8) gfc_array_c8;
+#ifdef HAVE_GFC_COMPLEX_10
+typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_10) gfc_array_c10;
+#endif
+#ifdef HAVE_GFC_COMPLEX_16
+typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_COMPLEX_16) gfc_array_c16;
+#endif
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_4) gfc_array_l4;
typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_8) gfc_array_l8;
+#ifdef HAVE_GFC_LOGICAL_16
+typedef GFC_ARRAY_DESCRIPTOR (GFC_MAX_DIMENSIONS, GFC_LOGICAL_16) gfc_array_l16;
+#endif
#define GFC_DTYPE_RANK_MASK 0x07
#define GFC_DTYPE_TYPE_SHIFT 3
int mem_check;
int use_stderr, all_unbuffered, default_recl;
- int fpu_round, fpu_precision, fpu_invalid, fpu_denormal, fpu_zerodiv,
- fpu_overflow, fpu_underflow, fpu_precision_loss;
+ int fpu_round, fpu_precision, fpe;
int sighup, sigint;
}
options_t;
-
extern options_t options;
internal_proto(options);
+/* Compile-time options that will influence the library. */
+
+typedef struct
+{
+ int warn_std;
+ int allow_std;
+}
+compile_options_t;
+
+extern compile_options_t compile_options;
+internal_proto(compile_options);
+
+extern void init_compile_options (void);
+internal_proto(init_compile_options);
+
+
/* Structure for statement options. */
typedef struct
ERROR_BAD_US,
ERROR_READ_VALUE,
ERROR_READ_OVERFLOW,
+ ERROR_ARRAY_STRIDE,
ERROR_LAST /* Not a real error, the last error # + 1. */
}
error_codes;
+/* Flags to specify which standard/extension contains a feature.
+ Keep them in sync with their counterparts in gcc/fortran/gfortran.h. */
+#define GFC_STD_LEGACY (1<<6) /* Backward compatibility. */
+#define GFC_STD_GNU (1<<5) /* GNU Fortran extension. */
+#define GFC_STD_F2003 (1<<4) /* New in F2003. */
+/* Note that no features were obsoleted nor deleted in F2003. */
+#define GFC_STD_F95 (1<<3) /* New in F95. */
+#define GFC_STD_F95_DEL (1<<2) /* Deleted in F95. */
+#define GFC_STD_F95_OBS (1<<1) /* Obsoleted in F95. */
+#define GFC_STD_F77 (1<<0) /* Up to and including F77. */
+
+/* Bitmasks for the various FPE that can be enabled.
+ Keep them in sync with their counterparts in gcc/fortran/gfortran.h. */
+#define GFC_FPE_INVALID (1<<0)
+#define GFC_FPE_DENORMAL (1<<1)
+#define GFC_FPE_ZERO (1<<2)
+#define GFC_FPE_OVERFLOW (1<<3)
+#define GFC_FPE_UNDERFLOW (1<<4)
+#define GFC_FPE_PRECISION (1<<5)
+
/* The filename and line number don't go inside the globals structure.
They are set by the rest of the program and must be linked to. */
/* error.c */
-extern char *gfc_itoa (int64_t);
+#define GFC_ITOA_BUF_SIZE (sizeof (GFC_INTEGER_LARGEST) * 3 + 2)
+#define GFC_XTOA_BUF_SIZE (sizeof (GFC_UINTEGER_LARGEST) * 2 + 1)
+#define GFC_OTOA_BUF_SIZE (sizeof (GFC_INTEGER_LARGEST) * 3 + 1)
+#define GFC_BTOA_BUF_SIZE (sizeof (GFC_INTEGER_LARGEST) * 8 + 1)
+
+extern const char *gfc_itoa (GFC_INTEGER_LARGEST, char *, size_t);
internal_proto(gfc_itoa);
-extern char *xtoa (uint64_t);
+extern const char *xtoa (GFC_UINTEGER_LARGEST, char *, size_t);
internal_proto(xtoa);
extern void os_error (const char *) __attribute__ ((noreturn));
extern void generate_error (int, const char *);
internal_proto(generate_error);
+/* fpu.c */
+
+extern void set_fpu (void);
+internal_proto(set_fpu);
+
/* memory.c */
extern void *get_mem (size_t) __attribute__ ((malloc));
/* string.c */
-extern int find_option (const char *, int, st_option *, const char *);
+extern int find_option (const char *, int, const st_option *, const char *);
internal_proto(find_option);
extern int fstrlen (const char *, int);
/* Repacking functions. */
-/* ??? These four aren't currently used by the compiler, though we
+/* ??? These eight aren't currently used by the compiler, though we
certainly could do so. */
GFC_INTEGER_4 *internal_pack_4 (gfc_array_i4 *);
internal_proto(internal_pack_4);
GFC_INTEGER_8 *internal_pack_8 (gfc_array_i8 *);
internal_proto(internal_pack_8);
+GFC_COMPLEX_4 *internal_pack_c4 (gfc_array_c4 *);
+internal_proto(internal_pack_c4);
+
+GFC_COMPLEX_8 *internal_pack_c8 (gfc_array_c8 *);
+internal_proto(internal_pack_c8);
+
extern void internal_unpack_4 (gfc_array_i4 *, const GFC_INTEGER_4 *);
internal_proto(internal_unpack_4);
extern void internal_unpack_8 (gfc_array_i8 *, const GFC_INTEGER_8 *);
internal_proto(internal_unpack_8);
+extern void internal_unpack_c4 (gfc_array_c4 *, const GFC_COMPLEX_4 *);
+internal_proto(internal_unpack_c4);
+
+extern void internal_unpack_c8 (gfc_array_c8 *, const GFC_COMPLEX_8 *);
+internal_proto(internal_unpack_c8);
+
/* string_intrinsics.c */
extern GFC_INTEGER_4 compare_string (GFC_INTEGER_4, const char *,