#if defined(PETSC_USE_REAL___FLOAT128) || defined(PETSC_USE_REAL___FP16) PetscBool PetscIsNormalReal(PetscReal a)
Notes: uses the C99 standard isnormal() on systems where they exist. Uses isnormalq() with __float128 Otherwises always returns true
Level:beginner
Location:src/sys/utils/mathinf.c
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