HP-UX Reference (11i v1 05/09) - 3 Library Functions A-M (vol 6)

fegetenv(3M) fegetenv(3M)

NAME

fegetenv( ) - get ﬂoating-point environment

SYNOPSIS

#include <fenv.h>

void fegetenv(fenv_t *envp);

DESCRIPTION

The fegetenv() function stores the current ﬂoating-point environment in the object pointed to by the

argument envp.

The ISO/ANSI C committee has approved the

fegetenv() function for inclusion in the C9X draft stan-

dard.

To use this function, compile either with the default

-Ae option or with the -Aa and -D_HPUX_SOURCE

options. Make sure your program includes <

fenv.h>. Link in the math library by specifying -lm on the

compiler or linker command line.

For more information, see the HP-UX Floating-Point Guide.

RETURN VALUE

None.

ERRORS

No errors are deﬁned.

EXAMPLE

Store the current ﬂoating-point environment:

#include <fenv.h>

/*...*/

fenv_t env;

/*...*/

fegetenv(&env);