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-.\" Written Sat Mar  8 10:35:08 MEZ 1997 by
-.\" J. "MUFTI" Scheurich (mufti@csv.ica.uni-stuttgart.de)
-.\"
-.\" SPDX-License-Identifier: GPL-1.0-or-later
-.\"
-.TH __setfpucw 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-__setfpucw \- set FPU control word on i386 architecture (obsolete)
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <i386/fpu_control.h>
-.P
-.BI "[[deprecated]] void __setfpucw(unsigned short " control_word );
-.fi
-.SH DESCRIPTION
-.BR __setfpucw ()
-transfers
-.I control_word
-to the registers of the FPU (floating-point unit) on the i386 architecture.
-This was used to control floating-point precision,
-rounding and floating-point exceptions.
-.SH STANDARDS
-GNU.
-.SH HISTORY
-Removed in glibc 2.1.
-.SH NOTES
-There are new functions from C99, with prototypes in
-.IR <fenv.h> ,
-to control FPU rounding modes, like
-.BR fegetround (3),
-.BR fesetround (3),
-and the floating-point environment, like
-.BR fegetenv (3),
-.BR feholdexcept (3),
-.BR fesetenv (3),
-.BR feupdateenv (3),
-and FPU exception handling, like
-.BR feclearexcept (3),
-.BR fegetexceptflag (3),
-.BR feraiseexcept (3),
-.BR fesetexceptflag (3),
-and
-.BR fetestexcept (3).
-.P
-If direct access to the FPU control word is still needed, the
-.B _FPU_GETCW
-and
-.B _FPU_SETCW
-macros from
-.I <fpu_control.h>
-can be used.
-.SH EXAMPLES
-.B __setfpucw(0x1372)
-.P
-Set FPU control word on the i386 architecture to
-.RS
-.PD 0
-.IP \[bu] 3
-extended precision
-.IP \[bu]
-rounding to nearest
-.IP \[bu]
-exceptions on overflow, zero divide and NaN
-.PD
-.RE
-.SH SEE ALSO
-.BR feclearexcept (3)
-.P
-.I <fpu_control.h>