82a4f54cc5
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* libgfortran.h (GFC_FPE_DOWNWARD, GFC_FPE_TONEAREST,
GFC_FPE_TOWARDZERO, GFC_FPE_UPWARD): New defines.
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* libgfortran.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): New prototypes.
* config/fpu-387.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): New functions.
* config/fpu-aix.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-generic.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-glibc.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-sysv.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* configure.ac: Check for fp_rnd and fp_rnd_t.
* io/io.h (enum unit_round): Use GFC_FPE_* for the value.
* io/read.c (convert_real): Set FP ronding mode.
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* config.h.in: Regenerate.
* configure: Regenerate.
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* gfortran.dg/round_4.f90: New.
Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>
From-SVN: r201093
141 lines
4.5 KiB
C
141 lines
4.5 KiB
C
/* Header file to the Fortran front-end and runtime library
|
|
Copyright (C) 2007-2013 Free Software Foundation, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License as published by the Free
|
|
Software Foundation; either version 3, or (at your option) any later
|
|
version.
|
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GCC; see the file COPYING3. If not see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
|
|
/* Flags to specify which standard/extension contains a feature.
|
|
Note that no features were obsoleted nor deleted in F2003.
|
|
Please remember to keep those definitions in sync with
|
|
gfortran.texi. */
|
|
#define GFC_STD_F2008_TS (1<<9) /* POST-F2008 technical reports. */
|
|
#define GFC_STD_F2008_OBS (1<<8) /* Obsolescent in F2008. */
|
|
#define GFC_STD_F2008 (1<<7) /* New in F2008. */
|
|
#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. */
|
|
#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) /* Obsolescent in F95. */
|
|
#define GFC_STD_F77 (1<<0) /* Included in F77, but not deleted or
|
|
obsolescent in later standards. */
|
|
|
|
|
|
/* Bitmasks for the various FPE that can be enabled. */
|
|
#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_INEXACT (1<<5)
|
|
|
|
/* Defines for floating-point rounding modes. */
|
|
#define GFC_FPE_DOWNWARD 1
|
|
#define GFC_FPE_TONEAREST 2
|
|
#define GFC_FPE_TOWARDZERO 3
|
|
#define GFC_FPE_UPWARD 4
|
|
|
|
|
|
/* Bitmasks for the various runtime checks that can be enabled. */
|
|
#define GFC_RTCHECK_BOUNDS (1<<0)
|
|
#define GFC_RTCHECK_ARRAY_TEMPS (1<<1)
|
|
#define GFC_RTCHECK_RECURSION (1<<2)
|
|
#define GFC_RTCHECK_DO (1<<3)
|
|
#define GFC_RTCHECK_POINTER (1<<4)
|
|
#define GFC_RTCHECK_MEM (1<<5)
|
|
#define GFC_RTCHECK_ALL (GFC_RTCHECK_BOUNDS | GFC_RTCHECK_ARRAY_TEMPS \
|
|
| GFC_RTCHECK_RECURSION | GFC_RTCHECK_DO \
|
|
| GFC_RTCHECK_POINTER | GFC_RTCHECK_MEM)
|
|
|
|
|
|
/* Possible values for the CONVERT I/O specifier. */
|
|
typedef enum
|
|
{
|
|
GFC_CONVERT_NONE = -1,
|
|
GFC_CONVERT_NATIVE = 0,
|
|
GFC_CONVERT_SWAP,
|
|
GFC_CONVERT_BIG,
|
|
GFC_CONVERT_LITTLE
|
|
}
|
|
unit_convert;
|
|
|
|
|
|
/* Runtime errors. */
|
|
typedef enum
|
|
{
|
|
LIBERROR_FIRST = -3, /* Marker for the first error. */
|
|
LIBERROR_EOR = -2, /* End of record, must be negative. */
|
|
LIBERROR_END = -1, /* End of file, must be negative. */
|
|
LIBERROR_OK = 0, /* Indicates success, must be zero. */
|
|
LIBERROR_OS = 5000, /* OS error, more info in errno. */
|
|
LIBERROR_OPTION_CONFLICT,
|
|
LIBERROR_BAD_OPTION,
|
|
LIBERROR_MISSING_OPTION,
|
|
LIBERROR_ALREADY_OPEN,
|
|
LIBERROR_BAD_UNIT,
|
|
LIBERROR_FORMAT,
|
|
LIBERROR_BAD_ACTION,
|
|
LIBERROR_ENDFILE,
|
|
LIBERROR_BAD_US,
|
|
LIBERROR_READ_VALUE,
|
|
LIBERROR_READ_OVERFLOW,
|
|
LIBERROR_INTERNAL,
|
|
LIBERROR_INTERNAL_UNIT,
|
|
LIBERROR_ALLOCATION,
|
|
LIBERROR_DIRECT_EOR,
|
|
LIBERROR_SHORT_RECORD,
|
|
LIBERROR_CORRUPT_FILE,
|
|
LIBERROR_INQUIRE_INTERNAL_UNIT, /* Must be different from STAT_STOPPED_IMAGE. */
|
|
LIBERROR_LAST /* Not a real error, the last error # + 1. */
|
|
}
|
|
libgfortran_error_codes;
|
|
|
|
/* Must kept in sync with libgfortrancaf.h. */
|
|
typedef enum
|
|
{
|
|
GFC_STAT_UNLOCKED = 0,
|
|
GFC_STAT_LOCKED,
|
|
GFC_STAT_LOCKED_OTHER_IMAGE,
|
|
GFC_STAT_STOPPED_IMAGE = 6000 /* See LIBERROR_INQUIRE_INTERNAL_UNIT above. */
|
|
}
|
|
libgfortran_stat_codes;
|
|
|
|
/* Default unit number for preconnected standard input and output. */
|
|
#define GFC_STDIN_UNIT_NUMBER 5
|
|
#define GFC_STDOUT_UNIT_NUMBER 6
|
|
#define GFC_STDERR_UNIT_NUMBER 0
|
|
|
|
|
|
/* FIXME: Increase to 15 for Fortran 2008. Also needs changes to
|
|
GFC_DTYPE_RANK_MASK. See PR 36825. */
|
|
#define GFC_MAX_DIMENSIONS 7
|
|
|
|
#define GFC_DTYPE_RANK_MASK 0x07
|
|
#define GFC_DTYPE_TYPE_SHIFT 3
|
|
#define GFC_DTYPE_TYPE_MASK 0x38
|
|
#define GFC_DTYPE_SIZE_SHIFT 6
|
|
|
|
/* Basic types. BT_VOID is used by ISO C Binding so funcs like c_f_pointer
|
|
can take any arg with the pointer attribute as a param. These are also
|
|
used in the run-time library for IO. */
|
|
typedef enum
|
|
{ BT_UNKNOWN = 0, BT_INTEGER, BT_LOGICAL, BT_REAL, BT_COMPLEX,
|
|
BT_DERIVED, BT_CHARACTER, BT_CLASS, BT_PROCEDURE, BT_HOLLERITH, BT_VOID,
|
|
BT_ASSUMED
|
|
}
|
|
bt;
|