Gets the floating-point environment.

[Format]

#include <fenv.h>

long fegetenv( fenv_t *f);

[Parameters]

f Pointer to area to store the floating-point environment

[Return values]

Normal: 0

Abnormal: Nonzero

[Remarks]

Do not use this function when compiler option nofpu is selected. If used, the function returns a nonzero value, which indicates an abnormality.