Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

ID 767251
Date 7/13/2023
Public

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IEEE_FEATURES Intrinsic Module

The IEEE_FEATURES module contains derived data types that include named constants for controlling the level of support, and intrinsic module procedures.

The derived types in the intrinsic modules have components that are private. The IEEE_FEATURES intrinsic module supports specification of essential IEEE features. It defines the following derived type:

  • IEEE_FEATURES_TYPE: Specifies IEEE features. Its values are the following named constants:

    IEEE_DATATYPE

    IEEE_INF

    IEEE_DIVIDE

    IEEE_NAN

    IEEE_ROUNDING

    IEEE_INEXACT_FLAG

    IEEE_SQRT

    IEEE_INVALID_FLAG

    IEEE_SUBNORMAL

    IEEE_UNDERFLOW_FLAG

    IEEE_HALTING