Developer Reference for Intel® oneAPI Math Kernel Library for Fortran

ID 766686
Date 6/24/2024
Public

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LAPACK Utility Functions and Routines

This section describes LAPACK utility functions and routines.

Summary information about these routines is given in the following table:

LAPACK Utility Routines

Routine Name

Data Types

Description

ilaver

 

Returns the version of the Lapack library.

ilaenv

 

Environmental enquiry function which returns values for tuning algorithmic performance.

iparmq

 

Environmental enquiry function which returns values for tuning algorithmic performance.

ieeeck

 

Checks if the infinity and NaN arithmetic is safe. Called by ilaenv.

?labad

s, d

Returns the square root of the underflow and overflow thresholds if the exponent-range is very large.

See Also