PetscPrecision

Precision of a real number

Synopsis

typedef enum {
  PETSC_PRECISION_INVALID = 0,
  PETSC_PRECISION_BFLOAT16,
  PETSC_PRECISION___FP16,
  PETSC_PRECISION_SINGLE,
  PETSC_PRECISION_DOUBLE,
  PETSC_PRECISION___FLOAT128
} PetscPrecision;

Values

• PETSC_PRECISION_INVALID - an invalid value

• PETSC_PRECISION_BFLOAT16 - half precision (Google Brain bfloat16)

• PETSC_PRECISION___FP16 - half precison (IEEE FP16)

• PETSC_PRECISION_SINGLE - single precision

• PETSC_PRECISION_DOUBLE - double precision

• PETSC_PRECISION___FLOAT128 - quadruple precision (__float128)

Level

intermediate

Location

include/petsc/private/petscimpl.h

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