/usr/lib/petscdir/3.7.7/x86_64-linux-gnu-real-debug/include/petsc/finclude/petscsys.h is in libpetsc3.7.7-dbg 3.7.7+dfsg1-2build5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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!
! Base include file for Fortran use of the PETSc package.
!
#include "petscconf.h"
#include "petscversion.h"
#include "petsc/finclude/petscsysdef.h"
#if !defined(PETSC_AVOID_MPIF_H)
#include "mpif.h"
#endif
! ------------------------------------------------------------------------
! Non Common block Stuff declared first
!
! Flags
!
PetscBool PETSC_TRUE
PetscBool PETSC_FALSE
#if defined(PETSC_FORTRAN_PETSCTRUTH_INT)
parameter (PETSC_TRUE = 1,PETSC_FALSE = 0)
#else
parameter (PETSC_TRUE = .true.,PETSC_FALSE = .false.)
#endif
PetscInt PETSC_DECIDE,PETSC_DETERMINE
parameter (PETSC_DECIDE=-1,PETSC_DETERMINE=-1)
PetscInt PETSC_DEFAULT_INTEGER
parameter (PETSC_DEFAULT_INTEGER = -2)
PetscReal PETSC_DEFAULT_REAL
parameter (PETSC_DEFAULT_REAL=-2.0d0)
PetscEnum PETSC_FP_TRAP_OFF
PetscEnum PETSC_FP_TRAP_ON
parameter (PETSC_FP_TRAP_OFF = 0,PETSC_FP_TRAP_ON = 1)
!
! Default PetscViewers.
!
PetscFortranAddr PETSC_VIEWER_DRAW_WORLD
PetscFortranAddr PETSC_VIEWER_DRAW_SELF
PetscFortranAddr PETSC_VIEWER_SOCKET_WORLD
PetscFortranAddr PETSC_VIEWER_SOCKET_SELF
PetscFortranAddr PETSC_VIEWER_STDOUT_WORLD
PetscFortranAddr PETSC_VIEWER_STDOUT_SELF
PetscFortranAddr PETSC_VIEWER_STDERR_WORLD
PetscFortranAddr PETSC_VIEWER_STDERR_SELF
PetscFortranAddr PETSC_VIEWER_BINARY_WORLD
PetscFortranAddr PETSC_VIEWER_BINARY_SELF
PetscFortranAddr PETSC_VIEWER_MATLAB_WORLD
PetscFortranAddr PETSC_VIEWER_MATLAB_SELF
!
! The numbers used below should match those in
! petsc/private/fortranimpl.h
!
parameter (PETSC_VIEWER_DRAW_WORLD = 4)
parameter (PETSC_VIEWER_DRAW_SELF = 5)
parameter (PETSC_VIEWER_SOCKET_WORLD = 6)
parameter (PETSC_VIEWER_SOCKET_SELF = 7)
parameter (PETSC_VIEWER_STDOUT_WORLD = 8)
parameter (PETSC_VIEWER_STDOUT_SELF = 9)
parameter (PETSC_VIEWER_STDERR_WORLD = 10)
parameter (PETSC_VIEWER_STDERR_SELF = 11)
parameter (PETSC_VIEWER_BINARY_WORLD = 12)
parameter (PETSC_VIEWER_BINARY_SELF = 13)
parameter (PETSC_VIEWER_MATLAB_WORLD = 14)
parameter (PETSC_VIEWER_MATLAB_SELF = 15)
!
! PETSc DataTypes
!
PetscEnum PETSC_INT
PetscEnum PETSC_DOUBLE
PetscEnum PETSC_COMPLEX
PetscEnum PETSC_LONG
PetscEnum PETSC_SHORT
PetscEnum PETSC_FLOAT
PetscEnum PETSC_CHAR
PetscEnum PETSC_BIT_LOGICAL
PetscEnum PETSC_ENUM
PetscEnum PETSC_BOOL
PetscEnum PETSC___FLOAT128
#if defined(PETSC_USE_REAL_SINGLE)
#define PETSC_REAL PETSC_FLOAT
#elif defined(PETSC_USE_REAL___FLOAT128)
#define PETSC_REAL PETSC___FLOAT128
#else
#define PETSC_REAL PETSC_DOUBLE
#endif
#define PETSC_FORTRANADDR PETSC_LONG
parameter (PETSC_INT=0,PETSC_DOUBLE=1,PETSC_COMPLEX=2)
parameter (PETSC_LONG=3,PETSC_SHORT=4,PETSC_FLOAT=5)
parameter (PETSC_CHAR=6,PETSC_BIT_LOGICAL=7,PETSC_ENUM=8)
parameter (PETSC_BOOL=9,PETSC___FLOAT128=10)
!
!
!
PetscEnum PETSC_COPY_VALUES
PetscEnum PETSC_OWN_POINTER
PetscEnum PETSC_USE_POINTER
parameter (PETSC_COPY_VALUES = 0)
parameter (PETSC_OWN_POINTER = 1)
parameter (PETSC_USE_POINTER = 2)
!
! ------------------------------------------------------------------------
! PETSc mathematics include file. Defines certain basic mathematical
! constants and functions for working with single and double precision
! floating point numbers as well as complex and integers.
!
! Representation of complex i
!
PetscFortranComplex PETSC_i
#if defined(PETSC_USE_REAL_SINGLE)
parameter (PETSC_i = (0.0e0,1.0e0))
#else
parameter (PETSC_i = (0.0d0,1.0d0))
#endif
!
! ----------------------------------------------------------------------------
! BEGIN PETSc aliases for MPI_ constants
!
! These values for __float128 are handled in the common block (below)
! and transmitted from the C code
!
#if !defined(PETSC_USE_REAL___FLOAT128)
integer MPIU_REAL
#if defined (PETSC_USE_REAL_SINGLE)
parameter (MPIU_REAL = MPI_REAL)
#else
parameter(MPIU_REAL = MPI_DOUBLE_PRECISION)
#endif
integer MPIU_SUM
parameter (MPIU_SUM = MPI_SUM)
integer MPIU_SCALAR
#if defined(PETSC_USE_COMPLEX)
#if defined (PETSC_USE_REAL_SINGLE)
parameter(MPIU_SCALAR = MPI_COMPLEX)
#else
parameter(MPIU_SCALAR = MPI_DOUBLE_COMPLEX)
#endif
#else
#if defined (PETSC_USE_REAL_SINGLE)
parameter (MPIU_SCALAR = MPI_REAL)
#else
parameter(MPIU_SCALAR = MPI_DOUBLE_PRECISION)
#endif
#endif
#endif
integer MPIU_INTEGER
#if defined(PETSC_USE_64BIT_INDICES)
parameter(MPIU_INTEGER = MPI_INTEGER8)
#else
parameter(MPIU_INTEGER = MPI_INTEGER)
#endif
!
! ----------------------------------------------------------------------------
! BEGIN COMMON-BLOCK VARIABLES
!
!
! PETSc world communicator
!
MPI_Comm PETSC_COMM_WORLD
MPI_Comm PETSC_COMM_SELF
!
! Fortran Null
!
PetscChar(80) PETSC_NULL_CHARACTER
PetscInt PETSC_NULL_INTEGER
PetscFortranDouble PETSC_NULL_DOUBLE
PetscObject PETSC_NULL_OBJECT
!
! A PETSC_NULL_FUNCTION pointer
!
external PETSC_NULL_FUNCTION
PetscScalar PETSC_NULL_SCALAR
PetscReal PETSC_NULL_REAL
PetscBool PETSC_NULL_BOOL
!
#if defined(PETSC_USE_REAL___FLOAT128)
integer MPIU_REAL
integer MPIU_SCALAR
integer MPIU_SUM
#endif
!
!
!
! Basic math constants
!
PetscReal PETSC_PI
PetscReal PETSC_MAX_REAL
PetscReal PETSC_MIN_REAL
PetscReal PETSC_MACHINE_EPSILON
PetscReal PETSC_SQRT_MACHINE_EPSILON
PetscReal PETSC_SMALL
PetscReal PETSC_INFINITY
PetscReal PETSC_NINFINITY
!
! Common Block to store some of the PETSc constants.
! which can be set - only at runtime.
!
common /petscfortran1/ PETSC_NULL_CHARACTER
common /petscfortran2/ PETSC_NULL_INTEGER
common /petscfortran4/ PETSC_NULL_SCALAR
common /petscfortran5/ PETSC_NULL_DOUBLE
common /petscfortran6/ PETSC_NULL_REAL
common /petscfortran7/ PETSC_NULL_BOOL
common /petscfortran8/ PETSC_NULL_OBJECT
common /petscfortran9/ PETSC_COMM_WORLD
common /petscfortran10/ PETSC_COMM_SELF
#if defined(PETSC_USE_REAL___FLOAT128)
common /petscfortran11/ MPIU_REAL
common /petscfortran12/ MPIU_SCALAR
common /petscfortran13/ MPIU_SUM
#endif
common /petscfortran14/ PETSC_PI
common /petscfortran15/ PETSC_MAX_REAL
common /petscfortran16/ PETSC_MIN_REAL
common /petscfortran17/ PETSC_MACHINE_EPSILON
common /petscfortran18/ PETSC_SQRT_MACHINE_EPSILON
common /petscfortran19/ PETSC_SMALL
common /petscfortran20/ PETSC_INFINITY
common /petscfortran21/ PETSC_NINFINITY
!
! Possible arguments to PetscPushErrorHandler()
!
external PETSCTRACEBACKERRORHANDLER
external PETSCABORTERRORHANDLER
external PETSCEMACSCLIENTERRORHANDLER
external PETSCATTACHDEBUGGERERRORHANDLER
external PETSCIGNOREERRORHANDLER
!
external PetscIsInfOrNanScalar
external PetscIsInfOrNanReal
PetscBool PetscIsInfOrNanScalar
PetscBool PetscIsInfOrNanReal
! END COMMON-BLOCK VARIABLES
! ----------------------------------------------------------------------------
!
!
! Random numbers
!
#define PETSCRAND 'rand'
#define PETSCRAND48 'rand48'
#define PETSCSPRNG 'sprng'
#define PETSCRANDER48 'rander48'
!
!
!
PetscEnum PETSC_BINARY_INT_SIZE
PetscEnum PETSC_BINARY_FLOAT_SIZE
PetscEnum PETSC_BINARY_CHAR_SIZE
PetscEnum PETSC_BINARY_SHORT_SIZE
PetscEnum PETSC_BINARY_DOUBLE_SIZE
PetscEnum PETSC_BINARY_SCALAR_SIZE
parameter (PETSC_BINARY_INT_SIZE = 4)
parameter (PETSC_BINARY_FLOAT_SIZE = 4)
parameter (PETSC_BINARY_CHAR_SIZE = 1)
parameter (PETSC_BINARY_SHORT_SIZE = 2)
parameter (PETSC_BINARY_DOUBLE_SIZE = 8)
#if defined(PETSC_USE_COMPLEX)
parameter (PETSC_BINARY_SCALAR_SIZE = 16)
#else
parameter (PETSC_BINARY_SCALAR_SIZE = 8)
#endif
PetscEnum PETSC_BINARY_SEEK_SET
PetscEnum PETSC_BINARY_SEEK_CUR
PetscEnum PETSC_BINARY_SEEK_END
parameter (PETSC_BINARY_SEEK_SET = 0,PETSC_BINARY_SEEK_CUR = 1)
parameter (PETSC_BINARY_SEEK_END = 2)
PetscEnum PETSC_BUILDTWOSIDED_ALLREDUCE
PetscEnum PETSC_BUILDTWOSIDED_IBARRIER
PetscEnum PETSC_BUILDTWOSIDED_REDSCATTER
parameter (PETSC_BUILDTWOSIDED_ALLREDUCE = 0)
parameter (PETSC_BUILDTWOSIDED_IBARRIER = 1)
parameter (PETSC_BUILDTWOSIDED_REDSCATTER = 2)
!
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