/* $NetBSD: flt_rounds.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */ /* * Written by J.T. Conklin, Apr 11, 1995 * Public domain. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #if defined(LIBC_SCCS) && !defined(lint) __RCSID("$NetBSD: flt_rounds.c,v 1.5 2005/12/24 23:10:08 perry Exp $"); #endif /* LIBC_SCCS and not lint */ #include <fenv.h> #include <float.h> #ifdef __mips_soft_float #include "softfloat-for-gcc.h" #include "milieu.h" #include "softfloat.h" #endif static const int map[] = { 1, /* round to nearest */ 0, /* round to zero */ 2, /* round to positive infinity */ 3 /* round to negative infinity */ }; int __flt_rounds() { int mode; #ifdef __mips_soft_float mode = __softfloat_float_rounding_mode; #else __asm __volatile("cfc1 %0,$31" : "=r" (mode)); #endif return map[mode & 0x03]; } |