PETSC_SMALL#
an arbitrary “small” number which depends on the precision of PetscReal used in some PETSc examples and in PetscApproximateLTE() and PetscApproximateGTE() to determine if a computation was successful.
Note#
See Also#
PetscApproximateLTE(), PetscApproximateGTE(), PETSC_MAX_REAL, PETSC_MIN_REAL, PETSC_REAL_MIN, PETSC_MACHINE_EPSILON,
PETSC_SQRT_MACHINE_EPSILON
Level#
beginner
Location#
Examples#
src/ksp/ksp/tutorials/ex70.c
src/ksp/ksp/tutorials/ex87.c
src/mat/tutorials/ex3.c
src/snes/tutorials/ex13.c
src/ksp/ksp/tutorials/ex5f.F90
src/snes/tutorials/ex69.c
src/snes/tutorials/ex7.c
src/ksp/ksp/tutorials/ex5.c
src/snes/tutorials/ex56.c
src/snes/tutorials/ex77.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages