1 /* $NetBSD: flt_rounds.c,v 1.2 1996/09/16 18:10:42 jonathan Exp $ */ 2 3 /* 4 * Written by J.T. Conklin, Apr 11, 1995 5 * Public domain. 6 */ 7 8 static const int map[] = { 9 1, /* round to nearest */ 10 0, /* round to zero */ 11 2, /* round to positive infinity */ 12 3 /* round to negative infinity */ 13 }; 14 15 int 16 __flt_rounds() 17 { 18 int x; 19 20 __asm__("cfc1 %0,$31" : "=r" (x)); 21 return map[x & 0x03]; 22 } 23