Actual source code: petscsys.h
petsc-3.12.1 2019-10-22
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      1: !
      2: !
      3: !  Part of the base include file for Fortran use of PETSc.
      4: !  Note: This file should contain only define statements and
      5: !  not the declaration of variables.

      7: ! No spaces for #defines as some compilers (PGI) also adds
      8: ! those additional spaces during preprocessing - bad for fixed format
      9: !
     10: #if !defined (PETSCSYSDEF_H)
     11: #define PETSCSYSDEF_H
     12: #include "petscconf.h"
     13: #if defined (PETSC_HAVE_MPIUNI)
     14: #include "petsc/mpiuni/mpiunifdef.h"
     15: #endif
     16: #include "petscversion.h"
     17: #include "petsc/finclude/petscviewer.h"
     18: #include "petsc/finclude/petscerror.h"
     19: #include "petsc/finclude/petsclog.h"
     20: #include "petsc/finclude/petscbag.h"

     22: !
     23: ! The real*8,complex*16 notatiton is used so that the
     24: ! PETSc double/complex variables are not affected by
     25: ! compiler options like -r4,-r8, sometimes invoked
     26: ! by the user. NAG compiler does not like integer*4,real*8

     28: #if defined(PETSC_USE_FORTRANKIND)
     29: #define integer8 integer(kind=selected_int_kind(10))
     30: #define integer4 integer(kind=selected_int_kind(5))
     31: #define integer2 integer(kind=selected_int_kind(3))
     32: #define integer1 integer(kind=selected_int_kind(1))
     33: #define PetscBool  logical(kind=4)
     34: #else
     35: #define integer8 integer*8
     36: #define integer4 integer*4
     37: #define integer2 integer*2
     38: #define integer1 integer*1
     39: #define PetscBool  logical*4
     40: #endif

     42: #if (PETSC_SIZEOF_VOID_P == 8)
     43: #define PetscOffset integer8
     44: #define PetscFortranAddr integer8
     45: #else
     46: #define PetscOffset integer4
     47: #define PetscFortranAddr integer4
     48: #endif

     50: #if defined(PETSC_USE_64BIT_INDICES)
     51: #define PetscInt integer8
     52: #else
     53: #define PetscInt integer4
     54: #endif
     55: #define PetscInt64 integer8
     56: #if defined(PETSC_USING_F90) && !defined(PETSC_USE_FORTRANKIND)
     57: #define PetscObjectState integer4
     58: #define PetscObjectId integer4
     59: #else
     60: #define PetscObjectState PetscInt64
     61: #define PetscObjectId PetscInt64
     62: #endif

     64: #if (PETSC_SIZEOF_INT == 4)
     65: #define PetscFortranInt integer4
     66: #elif (PETSC_SIZEOF_INT == 8)
     67: #define PetscFortranInt integer8
     68: #endif
     69: !
     70: #if (PETSC_SIZEOF_SIZE_T == 8)
     71: #define PetscSizeT integer8
     72: #else
     73: #define PetscSizeT integer4
     74: #endif
     75: !
     76: #if defined(PETSC_HAVE_MPIUNI)
     77: #define MPI_Comm PetscFortranInt
     78: #define MPI_Group PetscFortranInt
     79: #define PetscMPIInt PetscFortranInt
     80: #else
     81: #define MPI_Comm integer
     82: #define MPI_Group integer
     83: #define PetscMPIInt integer
     84: #endif
     85: !
     86: #define PetscEnum PetscFortranInt
     87: #define PetscErrorCode PetscFortranInt
     88: #define PetscClassId PetscFortranInt
     89: #define PetscLogEvent PetscFortranInt
     90: #define PetscLogStage PetscFortranInt
     91: #define PetscVoid PetscFortranAddr
     92: !
     93: #define PetscCopyMode PetscEnum
     94: !
     95: #define PetscDataType PetscEnum
     96: #define PetscFPTrap PetscEnum
     97: !
     98: #if defined (PETSC_USE_FORTRANKIND)
     99: #define PetscFortranFloat real(kind=selected_real_kind(5))
    100: #define PetscFortranDouble real(kind=selected_real_kind(10))
    101: #define PetscFortranLongDouble real(kind=selected_real_kind(19))
    102: #if defined(PETSC_USE_REAL_SINGLE)
    103: #define PetscFortranComplex complex(kind=selected_real_kind(5))
    104: #elif defined(PETSC_USE_REAL_DOUBLE)
    105: #define PetscFortranComplex complex(kind=selected_real_kind(10))
    106: #elif defined(PETSC_USE_REAL___FLOAT128)
    107: #define PetscFortranComplex complex(kind=selected_real_kind(20))
    108: #endif
    109: #define PetscChar(a) character(len = a) ::
    110: #else
    111: #define PetscFortranFloat real*4
    112: #define PetscFortranDouble real*8
    113: #define PetscFortranLongDouble real*16
    114: #if defined(PETSC_USE_REAL_SINGLE)
    115: #define PetscFortranComplex complex*8
    116: #elif defined(PETSC_USE_REAL_DOUBLE)
    117: #define PetscFortranComplex complex*16
    118: #elif defined(PETSC_USE_REAL___FLOAT128)
    119: #define PetscFortranComplex complex*32
    120: #endif
    121: #define PetscChar(a) character*(a)
    122: #endif

    124: #if defined(PETSC_USE_COMPLEX)
    125: #define PETSC_SCALAR PETSC_COMPLEX
    126: #else
    127: #if defined(PETSC_USE_REAL_SINGLE)
    128: #define PETSC_SCALAR PETSC_FLOAT
    129: #elif defined(PETSC_USE_REAL___FLOAT128)
    130: #define PETSC_SCALAR PETSC___FLOAT128
    131: #else
    132: #define PETSC_SCALAR PETSC_DOUBLE
    133: #endif
    134: #endif
    135: #if defined(PETSC_USE_REAL_SINGLE)
    136: #define  PETSC_REAL  PETSC_FLOAT
    137: #define PetscIntToReal(a) real(a)
    138: #elif defined(PETSC_USE_REAL___FLOAT128)
    139: #define PETSC_REAL PETSC___FLOAT128
    140: #define PetscIntToReal(a) dble(a)
    141: #else
    142: #define  PETSC_REAL  PETSC_DOUBLE
    143: #define PetscIntToReal(a) dble(a)
    144: #endif
    145: !
    146: !     Macro for templating between real and complex
    147: !
    148: #define PetscComplex PetscFortranComplex
    149: #if defined(PETSC_USE_COMPLEX)
    150: #define PetscScalar PetscFortranComplex
    151: !
    152: ! F90 uses real(), conjg() when KIND parameter is used.
    153: !
    154: #define PetscRealPart(a) real(a)
    155: #define PetscConj(a) conjg(a)
    156: #define PetscImaginaryPart(a) aimag(a)
    157: #else
    158: #if defined (PETSC_USE_REAL_SINGLE)
    159: #define PetscScalar PetscFortranFloat
    160: #elif defined(PETSC_USE_REAL___FLOAT128)
    161: #define PetscScalar PetscFortranLongDouble
    162: #elif defined(PETSC_USE_REAL_DOUBLE)
    163: #define PetscScalar PetscFortranDouble
    164: #endif
    165: #define PetscRealPart(a) a
    166: #define PetscConj(a) a
    167: #define PetscImaginaryPart(a) 0.0
    168: #endif

    170: #if defined (PETSC_USE_REAL_SINGLE)
    171: #define PetscReal PetscFortranFloat
    172: #elif defined(PETSC_USE_REAL___FLOAT128)
    173: #define PetscReal PetscFortranLongDouble
    174: #elif defined(PETSC_USE_REAL_DOUBLE)
    175: #define PetscReal PetscFortranDouble
    176: #endif

    178: !
    179: !    Allows the matrix Fortran Kernels to work with single precision
    180: !    matrix data structures
    181: !
    182: #define MatScalar PetscScalar
    183: !
    184: !     PetscLogDouble variables are used to contain double precision numbers
    185: !     that are not used in the numerical computations, but rather in logging,
    186: !     timing etc.
    187: !
    188: #define PetscObject PetscFortranAddr
    189: #define PetscLogDouble PetscFortranDouble
    190: !
    191: !     Macros for error checking
    192: !
    193: #define SETERRQ(c,ierr,s)  call PetscError(c,ierr,0,s); return
    194: #define SETERRA(c,ierr,s)  call PetscError(c,ierr,0,s); call MPIU_Abort(c,ierr)
    195: #define CHKERRQ(ierr) if (ierr .ne. 0) then;call PetscErrorF(ierr);return;endif
    196: #define CHKERRA(ierr) if (ierr .ne. 0) then;call PetscErrorF(ierr);call MPIU_Abort(MPI_COMM_SELF,ierr);endif
    197: #define CHKMEMQ call chkmemfortran(__LINE__,__FILE__,ierr)

    199: #define PetscMatlabEngine PetscFortranAddr

    201: #if !defined(PetscFlush)
    202: #if defined(PETSC_HAVE_FORTRAN_FLUSH)
    203: #define PetscFlush(a)    flush(a)
    204: #elif defined(PETSC_HAVE_FORTRAN_FLUSH_)
    205: #define PetscFlush(a)    flush_(a)
    206: #else
    207: #define PetscFlush(a)
    208: #endif
    209: #endif

    211: #define PetscRandom type(tPetscRandom)
    212: #define PetscRandomType character*(80)
    213: #define PetscBinarySeekType PetscEnum

    215: #define PetscBuildTwoSidedType PetscEnum
    216: #define PetscSubcommType PetscEnum

    218: #define PetscOptions type(tPetscOptions)

    220: #define PetscFunctionList PetscFortranAddr

    222: #endif