NAME
__setfpucw - set fpu control word on i386 architecture
SYNOPSIS
#include <i386/fpu_control.h>
void __setfpucw((unsigned short) control_word));
DESCRIPTION
__setfpucw transfer control_word to the registers of the fpu
(floating point unit) on i386 architecture. This can be used
to control floating point precision, rounding and floating
point exceptions.
EXAMPLE
__setfpucw(0x1372)
Set fpu control word on i386 architecture to
- extended precision
- rounding to nearest
- exceptions on overflow, zero divide and NaN
SEE ALSO
/usr/include/i386/fpu_control.h