Date: 2021-03-03T22:25:31+00:00

Actual source code: petscsys.h
petsc-3.14.5 2021-03-03
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      1: !
      2: !
      3: !  Base include file for Fortran use of the PETSc package.
      4: !
      5: #include "petscconf.h"
      6: #include "petscversion.h"
      7: #include "petsc/finclude/petscsys.h"

      9: !
     10: !    The following block allows one to write constants that match the
     11: !    precision of PetscReal as, for example,  x = .7_PETSC_REAL_KIND
     12: !
     13:        PetscReal,Parameter :: PetscReal_Private = 1.0
     14:        Integer,Parameter   :: PETSC_REAL_KIND = Selected_Real_Kind(Precision(PetscReal_Private))

     17: #if !defined(PETSC_AVOID_MPIF_H)
     18: #if defined(PETSC_HAVE_MPIUNI)
     19: #include "petsc/mpiuni/mpif.h"
     20: #else
     21: !
     22: !  This code is extremely fragile; it assumes the format of the mpif.h file has
     23: !  a particular structure that does not change with MPI implementation versions. But since
     24: !  mpif.h is a bit of a deadwater and PETSC_PROMOTE_FORTRAN_INTEGER is
     25: !  rarely used it is maybe ok to include fragile code
     26: !
     27: #if defined(PETSC_HAVE_MPICH_NUMVERSION) && defined(PETSC_PROMOTE_FORTRAN_INTEGER)
     28: #define INTEGER integer4
     29: #define MPI_STATUS_IGNORE(A) mpi_status_ignore(5)
     30: #define MPI_STATUSES_IGNORE(B,C) mpi_statuses_ignore(5,1)
     31: #elif defined(PETSC_HAVE_OMPI_MAJOR_VERSION)  && defined(PETSC_PROMOTE_FORTRAN_INTEGER)
     32: #define integer integer4
     33: #define INTEGER integer4
     34: #endif
     35: #include "mpif.h"
     36: #if defined(PETSC_HAVE_MPICH_NUMVERSION) && defined(PETSC_PROMOTE_FORTRAN_INTEGER)
     37: #undef INTEGER
     38: #undef MPI_STATUS_IGNORE
     39: #undef MPI_STATUSES_IGNORE
     40: #elif defined(PETSC_HAVE_OMPI_MAJOR_VERSION) && defined(PETSC_PROMOTE_FORTRAN_INTEGER)
     41: #undef integer
     42: #undef INTEGER
     43: #endif
     44: #endif
     45: #endif

     47:       type tPetscOptions
     48:         PetscFortranAddr:: v PETSC_FORTRAN_TYPE_INITIALIZE
     49:       end type tPetscOptions

     51:       PetscOptions, parameter :: PETSC_NULL_OPTIONS = tPetscOptions(0)

     53: ! ------------------------------------------------------------------------
     54: !     Non Common block Stuff declared first
     55: !
     56: !     Flags
     57: !
     58:       PetscBool, parameter :: PETSC_TRUE = .true.
     59:       PetscBool, parameter :: PETSC_FALSE = .false.

     61:       PetscInt, parameter :: PETSC_DECIDE = -1
     62:       PetscInt, parameter :: PETSC_DETERMINE = -1
     63:       PetscInt, parameter :: PETSC_DEFAULT_INTEGER = -2

     65:       PetscReal, parameter :: PETSC_DEFAULT_REAL = -2.0d0

     67:       PetscEnum, parameter :: PETSC_FP_TRAP_OFF = 0
     68:       PetscEnum, parameter :: PETSC_FP_TRAP_ON = 1

     70:       PetscFortranAddr, parameter :: PETSC_STDOUT = 0
     71: !
     72: !     PETSc DataTypes
     73: !
     74: #if defined(PETSC_USE_REAL_SINGLE)
     75: #define PETSC_REAL PETSC_FLOAT
     76: #elif defined(PETSC_USE_REAL___FLOAT128)
     77: #define PETSC_REAL PETSC___FLOAT128
     78: #else
     79: #define PETSC_REAL PETSC_DOUBLE
     80: #endif
     81: #define PETSC_FORTRANADDR PETSC_LONG

     83:       PetscEnum, parameter :: PETSC_DATATYPE_UNKNOWN = 0
     84:       PetscEnum, parameter :: PETSC_DOUBLE = 1
     85:       PetscEnum, parameter :: PETSC_COMPLEX = 2
     86:       PetscEnum, parameter :: PETSC_LONG = 3
     87:       PetscEnum, parameter :: PETSC_SHORT = 4
     88:       PetscEnum, parameter :: PETSC_FLOAT = 5
     89:       PetscEnum, parameter :: PETSC_CHAR = 6
     90:       PetscEnum, parameter :: PETSC_BIT_LOGICAL = 7
     91:       PetscEnum, parameter :: PETSC_ENUM = 8
     92:       PetscEnum, parameter :: PETSC_BOOL = 9
     93:       PetscEnum, parameter :: PETSC___FLOAT128 = 10
     94:       PetscEnum, parameter :: PETSC_OBJECT = 11
     95:       PetscEnum, parameter :: PETSC_FUNCTION = 12
     96:       PetscEnum, parameter :: PETSC_STRING = 13
     97:       PetscEnum, parameter :: PETSC___FP16 = 14
     98:       PetscEnum, parameter :: PETSC_STRUCT = 15
     99:       PetscEnum, parameter :: PETSC_INT = 16
    100: !
    101: !
    102: !
    103:       PetscEnum, parameter :: PETSC_COPY_VALUES = 0
    104:       PetscEnum, parameter :: PETSC_OWN_POINTER = 1
    105:       PetscEnum, parameter :: PETSC_USE_POINTER = 2
    106: !
    107: ! ------------------------------------------------------------------------
    108: !     PETSc mathematics include file. Defines certain basic mathematical
    109: !    constants and functions for working with single and double precision
    110: !    floating point numbers as well as complex and integers.
    111: !
    112: !     Representation of complex i
    113: !
    114: #if defined(PETSC_USE_REAL_SINGLE)
    115:       PetscFortranComplex, parameter :: PETSC_i = (0.0e0,1.0e0)
    116: #else
    117:       PetscFortranComplex, parameter :: PETSC_i = (0.0d0,1.0d0)
    118: #endif
    119: !
    120: ! ----------------------------------------------------------------------------
    121: !    BEGIN PETSc aliases for MPI_ constants
    122: !
    123: !   These values for __float128 are handled in the common block (below)
    124: !     and transmitted from the C code
    125: !
    126: #if !defined(PETSC_USE_REAL___FLOAT128)
    127: #if defined (PETSC_USE_REAL_SINGLE)
    128:       integer4, parameter :: MPIU_REAL = MPI_REAL
    129: #else
    130:       integer4, parameter :: MPIU_REAL = MPI_DOUBLE_PRECISION
    131: #endif

    133:       integer4, parameter :: MPIU_SUM = MPI_SUM

    135: #if defined(PETSC_USE_COMPLEX)
    136: #if defined (PETSC_USE_REAL_SINGLE)
    137:       integer4, parameter :: MPIU_SCALAR = MPI_COMPLEX
    138: #else
    139:       integer4, parameter :: MPIU_SCALAR = MPI_DOUBLE_COMPLEX
    140: #endif
    141: #else
    142: #if defined (PETSC_USE_REAL_SINGLE)
    143:       parameter (MPIU_SCALAR = MPI_REAL)
    144: #else
    145:       parameter(MPIU_SCALAR = MPI_DOUBLE_PRECISION)
    146: #endif
    147: #endif
    148: #endif

    150: #if defined(PETSC_USE_64BIT_INDICES)
    151:       integer4, parameter :: MPIU_INTEGER = MPI_INTEGER8
    152: #else
    153:       integer4, parameter :: MPIU_INTEGER = MPI_INTEGER
    154: #endif

    156: !      A PETSC_NULL_FUNCTION pointer
    157: !
    158:       external PETSC_NULL_FUNCTION
    159: !
    160: !     Possible arguments to PetscPushErrorHandler()
    161: !
    162:       external PETSCTRACEBACKERRORHANDLER
    163:       external PETSCABORTERRORHANDLER
    164:       external PETSCEMACSCLIENTERRORHANDLER
    165:       external PETSCATTACHDEBUGGERERRORHANDLER
    166:       external PETSCIGNOREERRORHANDLER
    167: !
    168:       external  PetscIsInfOrNanScalar
    169:       external  PetscIsInfOrNanReal
    170:       PetscBool PetscIsInfOrNanScalar
    171:       PetscBool PetscIsInfOrNanReal

    174: ! ----------------------------------------------------------------------------
    175: !
    176: !     Random numbers
    177: !
    178:       type tPetscRandom
    179:         sequence
    180:         PetscFortranAddr:: v PETSC_FORTRAN_TYPE_INITIALIZE
    181:       end type tPetscRandom

    183:       PetscRandom, parameter :: PETSC_NULL_RANDOM = tPetscRandom(0)
    184: !
    185: #define PETSCRAND 'rand'
    186: #define PETSCRAND48 'rand48'
    187: #define PETSCSPRNG 'sprng'
    188: #define PETSCRANDER48 'rander48'
    189: !
    190: !
    191: !
    192:       PetscEnum, parameter :: PETSC_BINARY_INT_SIZE = 4
    193:       PetscEnum, parameter :: PETSC_BINARY_FLOAT_SIZE = 4
    194:       PetscEnum, parameter :: PETSC_BINARY_CHAR_SIZE = 1
    195:       PetscEnum, parameter :: PETSC_BINARY_SHORT_SIZE = 2
    196:       PetscEnum, parameter :: PETSC_BINARY_DOUBLE_SIZE = 8
    197: #if defined(PETSC_USE_COMPLEX)
    198:       PetscEnum, parameter :: PETSC_BINARY_SCALAR_SIZE = 16
    199: #else
    200:       PetscEnum, parameter :: PETSC_BINARY_SCALAR_SIZE = 8
    201: #endif

    203:       PetscEnum, parameter :: PETSC_BINARY_SEEK_SET = 0
    204:       PetscEnum, parameter :: PETSC_BINARY_SEEK_CUR = 1
    205:       PetscEnum, parameter :: PETSC_BINARY_SEEK_END = 2

    207:       PetscEnum, parameter :: PETSC_BUILDTWOSIDED_ALLREDUCE = 0
    208:       PetscEnum, parameter :: PETSC_BUILDTWOSIDED_IBARRIER = 1
    209:       PetscEnum, parameter :: PETSC_BUILDTWOSIDED_REDSCATTER = 2

    211:       type tPetscSubcomm
    212:         sequence
    213:         PetscFortranAddr:: v PETSC_FORTRAN_TYPE_INITIALIZE
    214:       end type tPetscSubcomm

    216:       PetscSubcomm, parameter :: PETSC_NULL_SUBCOMM = tPetscSubcomm(0)

    218: !
    219: !     PetscSubcommType
    220: !
    221:       PetscEnum, parameter :: PETSC_SUBCOMM_GENERAL = 0
    222:       PetscEnum, parameter :: PETSC_SUBCOMM_CONTIGUOUS = 1
    223:       PetscEnum, parameter :: PETSC_SUBCOMM_INTERLACED = 2

    225: #if defined(_WIN32) && defined(PETSC_USE_SHARED_LIBRARIES)
    226: !DEC$ ATTRIBUTES DLLEXPORT::PetscReal_Private
    227: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_REAL_KIND
    228: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_NULL_OPTIONS
    229: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_TRUE
    230: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_FALSE
    231: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_DECIDE
    232: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_DETERMINE
    233: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_DEFAULT_INTEGER
    234: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_DEFAULT_REAL
    235: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_FP_TRAP_OFF
    236: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_FP_TRAP_ON
    237: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_STDOUT
    238: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_INT
    239: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_DOUBLE
    240: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_COMPLEX
    241: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_LONG
    242: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_SHORT
    243: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_FLOAT
    244: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_CHAR
    245: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BIT_LOGICAL
    246: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_ENUM
    247: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BOOL
    248: !DEC$ ATTRIBUTES DLLEXPORT::PETSC___FLOAT128
    249: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_OBJECT
    250: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_FUNCTION
    251: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_STRING
    252: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_STRUC
    253: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_DATATYPE_UNKNOWN
    254: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_COPY_VALUES
    255: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_OWN_POINTER
    256: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_USE_POINTER
    257: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_i
    258: !DEC$ ATTRIBUTES DLLEXPORT::MPIU_REAL
    259: !DEC$ ATTRIBUTES DLLEXPORT::MPIU_SUM
    260: !DEC$ ATTRIBUTES DLLEXPORT::MPIU_SCALAR
    261: !DEC$ ATTRIBUTES DLLEXPORT::MPIU_INTEGER
    262: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_NULL_RANDOM
    263: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_INT_SIZE
    264: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_FLOAT_SIZE
    265: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_CHAR_SIZE
    266: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_SHORT_SIZE
    267: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_DOUBLE_SIZE
    268: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_SCALAR_SIZE
    269: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_SEEK_SET
    270: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_SEEK_CUR
    271: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BINARY_SEEK_END
    272: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BUILDTWOSIDED_ALLREDUCE
    273: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BUILDTWOSIDED_IBARRIER
    274: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_BUILDTWOSIDED_REDSCATTER
    275: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_SUBCOMM_GENERAL
    276: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_SUBCOMM_CONTIGUOUS
    277: !DEC$ ATTRIBUTES DLLEXPORT::PETSC_SUBCOMM_INTERLACED
    278: #endif

    280: ! ----------------------------------------------------------------------------
    281: !
    282: !     PetscInfoCommFlag Enum
    283: !
    284: !
    285: !     PetscInfoCommFlag
    286: !
    287:       PetscEnum PETSC_INFO_COMM_ALL
    288:       PetscEnum PETSC_INFO_COMM_NO_SELF
    289:       PetscEnum PETSC_INFO_COMM_ONLY_SELF
    290:       parameter(PETSC_INFO_COMM_ALL=-1)
    291:       parameter(PETSC_INFO_COMM_NO_SELF=0)
    292:       parameter(PETSC_INFO_COMM_ONLY_SELF=1)