__fp_level() — determine type of IEEE facilities available

Standards

Standards / Extensions	C or C++	Dependencies
	Both	OS/390® V2R6

Syntax

#include <_Ieee754.h>
int __fp_level(void);

General description

The system provides simulation of IEEE floating-point hardware (including additional floating-point registers in hexadecimal mode). The __fp_level() function determines the level of IEEE floating-point support available.

Return values

0: No IEEE floating-point support available.
1: IEEE floating-point simulation is available.
2: IEEE floating-point hardware is available.

Related information

__chkbfp() — check IEEE facilities usage