__SETFPUCW Section: Linux Programmer's Manual (3) Updated: 8 March 2025 Index   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   Index NAME SYNOPSIS DESCRIPTION EXAMPLE SEE ALSO This document was created by using the manual pages. Time: 11:58:02 GMT, March 24, 2025