PETSC_REAL_MIN#

the smallest positive normalized real value that can be stored in a PetscReal.

Note#

See https://en.wikipedia.org/wiki/Subnormal_number for a discussion of normalized and subnormal floating point numbers

Developer Note#

The naming is confusing as there is both a PETSC_REAL_MIN and PETSC_MIN_REAL with different meanings.

See Also#

PETSC_MAX_REAL, PETSC_MIN_REAL, PETSC_MACHINE_EPSILON, PETSC_SQRT_MACHINE_EPSILON, PETSC_SMALL

Level#

beginner

Location#

include/petscmath.h


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