/* $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 __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 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 x; __asm("cfc1 %0,$31" : "=r" (x)); return map[x & 0x03]; }