p?lachkieee

Performs a simple check for the features of the IEEE standard. (C interface function).

Syntax

void pslachkieee(int *isieee, float *rmax, float *rmin);

void pdlachkieee(int *isieee, float *rmax, float *rmin);

Include Files

The C interfaces are specified in the mkl_scalapack.h include file.

Description

The p?lachkieee routine performs a simple check to make sure that the features of the IEEE standard are implemented. In some implementations, p?lachkieee may not return.

Note that all arguments are call-by-reference so that this routine can be directly called from Fortran code.

This is a ScaLAPACK internal subroutine and arguments are not checked for unreasonable values.

Input Parameters

rmax

(local).

REAL for pslachkieee

DOUBLE PRECISION for pdlachkieee

The overflow threshold(= ?lamch ('O')).

rmin

(local).

REAL for pslachkieee

DOUBLE PRECISION for pdlachkieee

The underflow threshold(= ?lamch ('U')).

Output Parameters

isieee

(local). INTEGER.

On exit, isieee = 1 implies that all the features of the IEEE standard that we rely on are implemented. On exit, isieee = 0 implies that some the features of the IEEE standard that we rely on are missing.