Actual source code: petsc.h
1: !
2: ! $Id: petsc.h,v 1.100 2001/08/30 19:57:08 balay Exp $;
3: !
4: ! Base include file for Fortran use of the PETSc package.
5: !
6: #include "petscconf.h"
8: #if !defined(PETSC_AVOID_MPIF_H) && !defined(PETSC_AVOID_DECLARATIONS)
9: #include "mpif.h"
10: #endif
12: #include finclude/petscdef.h
14: #if !defined (PETSC_AVOID_DECLARATIONS)
15: ! ------------------------------------------------------------------------
16: ! Non Common block Stuff declared first
17: !
18: ! Flags
19: !
20: integer PETSC_TRUE,PETSC_FALSE
21: integer PETSC_YES,PETSC_NO
22: parameter (PETSC_TRUE = 1,PETSC_FALSE = 0)
23: parameter (PETSC_YES=1, PETSC_NO=0)
25: integer PETSC_DECIDE,PETSC_DETERMINE
26: parameter (PETSC_DECIDE=-1,PETSC_DETERMINE=-1)
28: integer PETSC_DEFAULT_INTEGER
29: parameter (PETSC_DEFAULT_INTEGER = -2)
31: PetscFortranDouble PETSC_DEFAULT_DOUBLE_PRECISION
32: parameter (PETSC_DEFAULT_DOUBLE_PRECISION=-2.0d0)
34: integer PETSC_FP_TRAP_OFF,PETSC_FP_TRAP_ON
35: parameter (PETSC_FP_TRAP_OFF = 0,PETSC_FP_TRAP_ON = 1)
39: !
40: ! Default PetscViewers.
41: !
42: PetscFortranAddr PETSC_VIEWER_DRAW_WORLD
43: PetscFortranAddr PETSC_VIEWER_DRAW_SELF
44: PetscFortranAddr PETSC_VIEWER_SOCKET_WORLD
45: PetscFortranAddr PETSC_VIEWER_SOCKET_SELF
46: PetscFortranAddr PETSC_VIEWER_STDOUT_WORLD
47: PetscFortranAddr PETSC_VIEWER_STDOUT_SELF
48: PetscFortranAddr PETSC_VIEWER_STDERR_WORLD
49: PetscFortranAddr PETSC_VIEWER_STDERR_SELF
50: PetscFortranAddr PETSC_VIEWER_BINARY_WORLD
51: PetscFortranAddr PETSC_VIEWER_BINARY_SELF
52: PetscFortranAddr PETSC_VIEWER_MATLAB_WORLD
53: PetscFortranAddr PETSC_VIEWER_MATLAB_SELF
55: !
56: ! The numbers used below should match those in
57: ! src/fortran/custom/zpetsc.h
58: !
59: parameter (PETSC_VIEWER_DRAW_WORLD = -4)
60: parameter (PETSC_VIEWER_DRAW_SELF = -5)
61: parameter (PETSC_VIEWER_SOCKET_WORLD = -6)
62: parameter (PETSC_VIEWER_SOCKET_SELF = -7)
63: parameter (PETSC_VIEWER_STDOUT_WORLD = -8)
64: parameter (PETSC_VIEWER_STDOUT_SELF = -9)
65: parameter (PETSC_VIEWER_STDERR_WORLD = -10)
66: parameter (PETSC_VIEWER_STDERR_SELF = -11)
67: parameter (PETSC_VIEWER_BINARY_WORLD = -12)
68: parameter (PETSC_VIEWER_BINARY_SELF = -13)
69: parameter (PETSC_VIEWER_MATLAB_WORLD = -14)
70: parameter (PETSC_VIEWER_MATLAB_SELF = -15)
71: !
72: ! PETSc DataTypes
73: !
74: integer PETSC_INT,PETSC_DOUBLE,PETSC_COMPLEX
75: integer PETSC_LONG,PETSC_SHORT,PETSC_FLOAT
76: integer PETSC_CHAR,PETSC_LOGICAL
78: parameter (PETSC_INT=0,PETSC_DOUBLE=1,PETSC_COMPLEX=2)
79: parameter (PETSC_LONG=3,PETSC_SHORT=4,PETSC_FLOAT=5)
80: parameter (PETSC_CHAR=6,PETSC_LOGICAL=7)
81: !
82: ! ------------------------------------------------------------------------
83: ! PETSc mathematics include file. Defines certain basic mathematical
84: ! constants and functions for working with single and double precision
85: ! floating point numbers as well as complex and integers.
86: !
87: ! Representation of complex i
88: !
89: PetscFortranComplex PETSC_i
90: parameter (PETSC_i = (0.0d0,1.0d0))
91: !
92: ! Basic constants
93: !
94: PetscFortranDouble PETSC_PI,PETSC_DEGREES_TO_RADIANS
95: PetscFortranDouble PETSC_MAX,PETSC_MIN
97: parameter (PETSC_PI = 3.14159265358979323846264d0)
98: parameter (PETSC_DEGREES_TO_RADIANS = 0.01745329251994d0)
99: parameter (PETSC_MAX = 1.d300,PETSC_MIN = -1.d300)
101: PetscFortranDouble PETSC_MACHINE_EPSILON
102: PetscFortranDouble PETSC_SQRT_MACHINE_EPSILON
103: PetscFortranDouble PETSC_SMALL
105: #if defined(PETSC_USE_SINGLE)
106: parameter (PETSC_MACHINE_EPSILON = 1.e-7)
107: parameter (PETSC_SQRT_MACHINE_EPSILON = 3.e-4)
108: parameter (PETSC_SMALL = 1.e-5)
109: #else
110: parameter (PETSC_MACHINE_EPSILON = 1.d-14)
111: parameter (PETSC_SQRT_MACHINE_EPSILON = 1.d-7)
112: parameter (PETSC_SMALL = 1.d-10)
113: #endif
114: !
115: ! ----------------------------------------------------------------------------
116: ! BEGIN COMMON-BLOCK VARIABLES
117: !
118: !
119: ! PETSc world communicator
120: !
121: MPI_Comm PETSC_COMM_WORLD,PETSC_COMM_SELF
122: !
123: ! Fortran Null
124: !
125: PetscChar(80) PETSC_NULL_CHARACTER
126: PetscFortranInt PETSC_NULL_INTEGER
127: PetscFortranDouble PETSC_NULL_DOUBLE
128: PetscFortranInt PETSC_NULL
129: !
130: ! A PETSC_NULL_FUNCTION pointer
131: !
132: external PETSC_NULL_FUNCTION
133: PetscScalar PETSC_NULL_SCALAR
134: PetscReal PETSC_NULL_REAL
135: !
136: ! Common Block to store some of the PETSc constants.
137: ! which can be set - only at runtime.
138: !
139: !
140: ! A string should be in a different common block
141: !
142: common /petscfortran1/ PETSC_NULL_CHARACTER
143: common /petscfortran2/ PETSC_NULL_INTEGER
144: common /petscfortran3/ PETSC_NULL
145: common /petscfortran4/ PETSC_NULL_SCALAR
146: common /petscfortran5/ PETSC_NULL_DOUBLE
147: common /petscfortran6/ PETSC_NULL_REAL
148: common /petscfortran7/ PETSC_COMM_WORLD,PETSC_COMM_SELF
149: !
150: ! Possible arguments to PetscPushErrorHandler()
151: !
152: external PETSCTRACEBACKERRORHANDLER
153: external PETSCABORTERRORHANDLER
154: external PETSCEMACSCLIENTERRORHANDLER
155: external PETSCATTACHDEBUGGERERRORHANDLER
156: external PETSCIGNOREERRORHANDLER
158:
159: ! END COMMON-BLOCK VARIABLES
160: ! ----------------------------------------------------------------------------
162: #endif