/* * Written by J.T. Conklin, Apr 10, 1995 * Public domain. */ #include <sys/cdefs.h> /* __FBSDID("$FreeBSD: src/lib/libc/ia64/gen/flt_rounds.c,v 1.1 2004/07/19 08:17:24 das Exp $"); */ #include <float.h> static const int map[] = { 1, /* round to nearest */ 3, /* round to zero */ 2, /* round to negative infinity */ 0 /* round to positive infinity */ }; int __flt_rounds(void) { int x; __asm("mov %0=ar.fpsr" : "=r" (x)); return (map[(x >> 10) & 0x03]); } |