Actual source code: petscsys.h

petsc-master 2020-06-02
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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/petsclog.h"
 19: #include "petsc/finclude/petscbag.h"

 21: !
 22: ! The real*8,complex*16 notatiton is used so that the
 23: ! PETSc double/complex variables are not affected by
 24: ! compiler options like -r4,-r8, sometimes invoked
 25: ! by the user. NAG compiler does not like integer*4,real*8

 27: #define integer8 integer(kind=selected_int_kind(10))
 28: #define integer4 integer(kind=selected_int_kind(5))
 29: #define integer2 integer(kind=selected_int_kind(3))
 30: #define integer1 integer(kind=selected_int_kind(1))
 31: #define PetscBool  logical(kind=4)

 33: #if (PETSC_SIZEOF_VOID_P == 8)
 34: #define PetscOffset integer8
 35: #define PetscFortranAddr integer8
 36: #else
 37: #define PetscOffset integer4
 38: #define PetscFortranAddr integer4
 39: #endif

 41: #if defined(PETSC_USE_64BIT_INDICES)
 42: #define PetscInt integer8
 43: #else
 44: #define PetscInt integer4
 45: #endif
 46: #define PetscInt64 integer8
 47: #define PetscObjectState PetscInt64
 48: #define PetscObjectId PetscInt64

 50: #if (PETSC_SIZEOF_INT == 4)
 51: #define PetscFortranInt integer4
 52: #elif (PETSC_SIZEOF_INT == 8)
 53: #define PetscFortranInt integer8
 54: #endif
 55: !
 56: #if (PETSC_SIZEOF_SIZE_T == 8)
 57: #define PetscSizeT integer8
 58: #else
 59: #define PetscSizeT integer4
 60: #endif
 61: !
 62: #if defined(PETSC_HAVE_MPIUNI)
 63: #define MPI_Comm MPIUNI_FInt
 64: #define MPI_Group MPIUNI_FInt
 65: #define PetscMPIInt MPIUNI_FInt
 66: #else
 67: #define MPI_Comm integer4
 68: #define MPI_Group integer4
 69: #define PetscMPIInt integer4
 70: #endif
 71: !
 72: #define PetscEnum PetscFortranInt
 73: #define PetscErrorCode PetscFortranInt
 74: #define PetscClassId PetscFortranInt
 75: #define PetscLogEvent PetscFortranInt
 76: #define PetscLogStage PetscFortranInt
 77: #define PetscVoid PetscFortranAddr
 78: !
 79: #define PetscCopyMode PetscEnum
 80: !
 81: #define PetscDataType PetscEnum
 82: #define PetscFPTrap PetscEnum
 83: !
 84: #define PetscFortranFloat real(kind=selected_real_kind(5))
 85: #define PetscFortranDouble real(kind=selected_real_kind(10))
 86: #define PetscFortranLongDouble real(kind=selected_real_kind(19))
 87: #if defined(PETSC_USE_REAL_SINGLE)
 88: #define PetscFortranComplex complex(kind=selected_real_kind(5))
 89: #elif defined(PETSC_USE_REAL_DOUBLE)
 90: #define PetscFortranComplex complex(kind=selected_real_kind(10))
 91: #elif defined(PETSC_USE_REAL___FLOAT128)
 92: #define PetscFortranComplex complex(kind=selected_real_kind(20))
 93: #endif
 94: #define PetscChar(a) character(len = a) ::

 96: #if defined(PETSC_USE_COMPLEX)
 97: #define PETSC_SCALAR PETSC_COMPLEX
 98: #else
 99: #if defined(PETSC_USE_REAL_SINGLE)
100: #define PETSC_SCALAR PETSC_FLOAT
101: #elif defined(PETSC_USE_REAL___FLOAT128)
102: #define PETSC_SCALAR PETSC___FLOAT128
103: #else
104: #define PETSC_SCALAR PETSC_DOUBLE
105: #endif
106: #endif
107: #if defined(PETSC_USE_REAL_SINGLE)
108: #define  PETSC_REAL  PETSC_FLOAT
109: #define PetscIntToReal(a) real(a)
110: #elif defined(PETSC_USE_REAL___FLOAT128)
111: #define PETSC_REAL PETSC___FLOAT128
112: #define PetscIntToReal(a) dble(a)
113: #else
114: #define  PETSC_REAL  PETSC_DOUBLE
115: #define PetscIntToReal(a) dble(a)
116: #endif
117: !
118: !     Macro for templating between real and complex
119: !
120: #define PetscComplex PetscFortranComplex
121: #if defined(PETSC_USE_COMPLEX)
122: #define PetscScalar PetscFortranComplex
123: !
124: ! F90 uses real(), conjg() when KIND parameter is used.
125: !
126: #define PetscRealPart(a) real(a)
127: #define PetscConj(a) conjg(a)
128: #define PetscImaginaryPart(a) aimag(a)
129: #else
130: #if defined (PETSC_USE_REAL_SINGLE)
131: #define PetscScalar PetscFortranFloat
132: #elif defined(PETSC_USE_REAL___FLOAT128)
133: #define PetscScalar PetscFortranLongDouble
134: #elif defined(PETSC_USE_REAL_DOUBLE)
135: #define PetscScalar PetscFortranDouble
136: #endif
137: #define PetscRealPart(a) a
138: #define PetscConj(a) a
139: #define PetscImaginaryPart(a) 0.0
140: #endif

142: #if defined (PETSC_USE_REAL_SINGLE)
143: #define PetscReal PetscFortranFloat
144: #elif defined(PETSC_USE_REAL___FLOAT128)
145: #define PetscReal PetscFortranLongDouble
146: #elif defined(PETSC_USE_REAL_DOUBLE)
147: #define PetscReal PetscFortranDouble
148: #endif

150: !
151: !    Allows the matrix Fortran Kernels to work with single precision
152: !    matrix data structures
153: !
154: #define MatScalar PetscScalar
155: !
156: !     PetscLogDouble variables are used to contain double precision numbers
157: !     that are not used in the numerical computations, but rather in logging,
158: !     timing etc.
159: !
160: #define PetscObject PetscFortranAddr
161: #define PetscLogDouble PetscFortranDouble
162: !
163: !     Macros for error checking
164: !
165: #define SETERRQ(c,ierr,s)  call PetscError(c,ierr,0,s); return
166: #define SETERRA(c,ierr,s)  call PetscError(c,ierr,0,s); call MPIU_Abort(c,ierr)
167: #define CHKERRQ(ierr) if (ierr .ne. 0) then;call PetscErrorF(ierr);return;endif
168: #define CHKERRA(ierr) if (ierr .ne. 0) then;call PetscErrorF(ierr);call MPIU_Abort(MPI_COMM_SELF,ierr);endif
169: #define CHKMEMQ call chkmemfortran(__LINE__,__FILE__,ierr)

171: #define PetscMatlabEngine PetscFortranAddr

173: #if !defined(PetscFlush)
174: #if defined(PETSC_HAVE_FORTRAN_FLUSH)
175: #define PetscFlush(a)    flush(a)
176: #elif defined(PETSC_HAVE_FORTRAN_FLUSH_)
177: #define PetscFlush(a)    flush_(a)
178: #else
179: #define PetscFlush(a)
180: #endif
181: #endif

183: #define PetscRandom type(tPetscRandom)
184: #define PetscRandomType character*(80)
185: #define PetscBinarySeekType PetscEnum

187: #define PetscBuildTwoSidedType PetscEnum

189: #define PetscSubcomm type(tPetscSubcomm)
190: #define PetscSubcommType PetscEnum

192: #define PetscOptions type(tPetscOptions)

194: #define PetscFunctionList PetscFortranAddr

196: #define PetscInfoCommFlag PetscEnum
197: #endif