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