Actual source code: petscdef.h
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 (__PETSCDEF_H)
12: #include "petscconf.h"
13: #include finclude/petscviewerdef.h
14: #include finclude/petscerrordef.h
15: #include finclude/petsclogdef.h
16: #include finclude/petscsysdef.h
17: #include finclude/petscdrawdef.h
19: !
20: ! The real*8,complex*16 notatiton is used so that the
21: ! PETSc double/complex variables are not affected by
22: ! compiler options like -r4,-r8, sometimes invoked
23: ! by the user. NAG compiler does not like integer*4,real*8
25: #if defined(PETSC_USE_FORTRANKIND)
26: #define integer8 integer(kind=selected_int_kind(10))
27: #define integer4 integer(kind=selected_int_kind(5))
28: #define PetscTruth logical(kind=4)
29: #else
30: #define integer8 integer*8
31: #define integer4 integer*4
32: #define PetscTruth logical*4
33: #endif
35: #if (PETSC_SIZEOF_VOID_P == 8)
36: #define PetscFortranAddr integer8
37: #define PetscOffset integer8
38: #else
39: #define PetscOffset integer4
40: #define PetscFortranAddr integer4
41: #endif
43: #if defined(PETSC_USE_64BIT_INDICES)
44: #define PetscInt integer8
45: #else
46: #define PetscInt integer4
47: #endif
49: #if (PETSC_SIZEOF_INT == 4)
50: #define PetscFortranInt integer4
51: #elif (PETSC_SIZEOF_INT == 8)
52: #define PetscFortranInt integer8
53: #endif
54: !
55: #if (PETSC_SIZEOF_SIZE_T == 8)
56: #define PetscSizeT integer8
57: #else
58: #define PetscSizeT integer4
59: #endif
60: !
61: #if defined(PETSC_HAVE_MPIUNI)
62: #define MPI_Comm PetscFortranInt
63: #define PetscMPIInt PetscFortranInt
64: #else
65: #define MPI_Comm integer
66: #define PetscMPIInt integer
67: #endif
68: !
69: #define PetscEnum PetscFortranInt
70: #define PetscErrorCode PetscFortranInt
71: #define PetscCookie PetscFortranInt
72: #define PetscLogEvent PetscFortranInt
73: #define PetscLogStage PetscFortranInt
74: #define PetscVoid PetscFortranAddr
75: !
76: #if defined(PETSC_FORTRAN_PETSCTRUTH_INT)
77: #undef PetscTruth
78: #define PetscTruth PetscEnum
79: #endif
80: !
81: #define PetscDataType PetscEnum
82: #define PetscFPTrap PetscEnum
83: !
84: #if defined (PETSC_USE_FORTRANKIND)
85: #define PetscFortranFloat real(kind=selected_real_kind(5))
86: #define PetscFortranDouble real(kind=selected_real_kind(10))
87: #define PetscFortranLongDouble real(kind=selected_real_kind(16))
88: #define PetscFortranComplex complex(kind=selected_real_kind(10))
89: #define PetscChar(a) character(len = a) ::
90: #else
91: #define PetscFortranFloat real*4
92: #define PetscFortranDouble real*8
93: #define PetscFortranLongDouble real*16
94: #define PetscFortranComplex complex*16
95: #define PetscChar(a) character*(a)
96: #endif
98: #if defined(PETSC_USE_COMPLEX)
99: #define PETSC_SCALAR PETSC_COMPLEX
100: #else
101: #if defined(PETSC_USE_SINGLE)
102: #define PETSC_SCALAR PETSC_FLOAT
103: #elif defined(PETSC_USE_LONG_DOUBLE)
104: #define PETSC_SCALAR PETSC_LONG_DOUBLE
105: #else
106: #define PETSC_SCALAR PETSC_DOUBLE
107: #endif
108: #endif
109: !
110: ! Macro for templating between real and complex
111: !
112: #if defined(PETSC_USE_COMPLEX)
113: #define PetscScalar PetscFortranComplex
114: !
115: ! F90 uses real(), conjg() when KIND parameter is used.
116: !
117: #if defined (PETSC_MISSING_DREAL)
118: #define PetscRealPart(a) real(a)
119: #define PetscConj(a) conjg(a)
120: #define PetscImaginaryPart(a) aimg(a)
121: #else
122: #define PetscRealPart(a) dreal(a)
123: #define PetscConj(a) dconjg(a)
124: #define PetscImaginaryPart(a) daimg(a)
125: #endif
126: #else
127: #if defined (PETSC_USE_SINGLE)
128: #define PetscScalar PetscFortranFloat
129: #elif defined(PETSC_USE_LONG_DOUBLE)
130: #define PetscScalar PetscFortranLongDouble
131: #else
132: #define PetscScalar PetscFortranDouble
133: #endif
134: #define PetscRealPart(a) a
135: #define PetscConj(a) a
136: #define PetscImaginaryPart(a) a
137: #endif
139: #if defined (PETSC_USE_SINGLE)
140: #define PetscReal PetscFortranFloat
141: #elif defined(PETSC_USE_LONG_DOUBLE)
142: #define PetscReal PetscFortranLongDouble
143: #else
144: #define PetscReal PetscFortranDouble
145: #endif
147: !
148: ! Allows the matrix Fortran Kernels to work with single precision
149: ! matrix data structures
150: !
151: #if defined(PETSC_USE_COMPLEX)
152: #define MatScalar PetscScalar
153: #elif defined(PETSC_USE_MAT_SINGLE)
154: #define MatScalar real*4
155: #else
156: #define MatScalar PetscScalar
157: #endif
158: !
159: ! PetscLogDouble variables are used to contain double precision numbers
160: ! that are not used in the numerical computations, but rather in logging,
161: ! timing etc.
162: !
163: #define PetscObject PetscFortranAddr
164: #define PetscLogDouble PetscFortranDouble
165: !
166: ! Macros for error checking
167: !
168: #if defined(PETSC_USE_ERRORCHECKING)
169: #define SETERRQ(n,s,ierr) call MPI_Abort(PETSC_COMM_WORLD,n,ierr)
170: #define CHKERRQ(n) if (n .ne. 0) call MPI_Abort(PETSC_COMM_WORLD,n,n)
171: #define CHKMEMQ call chkmemfortran(__LINE__,__FILE__,ierr)
172: #else
173: #define SETERRQ(n,s,ierr)
174: #define CHKERRQ(n)
175: #define CHKMEMQ
176: #endif
178: #define PetscMatlabEngine PetscFortranAddr
180: #if defined(PETSC_STDCALL)
181: #define PETSC_DEC_ATTRIBUTES(A,B) DEC$ ATTRIBUTESC, ALIAS:B ::A
182: #else
183: #define PETSC_DEC_ATTRIBUTES(A,B)
184: #endif
186: #if !defined(PetscFlush)
187: #if defined(PETSC_HAVE_FLUSH)
188: #define PetscFlush(a) call flush(a)
189: #elif defined(PETSC_HAVE_FLUSH_)
190: #define PetscFlush(a) call flush_(a)
191: #else
192: #define PetscFlush(a)
193: #endif
194: #endif
197: #endif