[mirror_edk2.git] / StdLib / LibC / Main / Ipf / flt_rounds.c

/*\r
 * Written by J.T. Conklin, Apr 10, 1995\r
 * Public domain.\r
 */\r
\r
#include <sys/EfiCdefs.h>\r
/* __FBSDID("$FreeBSD: src/lib/libc/ia64/gen/flt_rounds.c,v 1.1 2004/07/19 08:17:24 das Exp $"); */\r
\r
#include <float.h>\r
\r
static const int map[] = {\r
	1,	/* round to nearest */\r
	3,	/* round to zero */\r
	2,	/* round to negative infinity */\r
	0	/* round to positive infinity */\r
};\r
\r
int\r
__flt_rounds(void)\r
{\r
	int x;\r
\r
	__asm("mov %0=ar.fpsr" : "=r" (x));\r
        return (map[(x >> 10) & 0x03]);\r
}\r
Commit	Line	Data
2aa62f2b	1	/*\r
	2	* Written by J.T. Conklin, Apr 10, 1995\r
	3	* Public domain.\r
	4	*/\r
	5	\r
	6	#include <sys/EfiCdefs.h>\r
	7	/* __FBSDID("$FreeBSD: src/lib/libc/ia64/gen/flt_rounds.c,v 1.1 2004/07/19 08:17:24 das Exp $"); */\r
	8	\r
	9	#include <float.h>\r
	10	\r
	11	static const int map[] = {\r
	12	1, /* round to nearest */\r
	13	3, /* round to zero */\r
	14	2, /* round to negative infinity */\r
	15	0 /* round to positive infinity */\r
	16	};\r
	17	\r
	18	int\r
	19	__flt_rounds(void)\r
	20	{\r
	21	int x;\r
	22	\r
	23	__asm("mov %0=ar.fpsr" : "=r" (x));\r
	24	return (map[(x >> 10) & 0x03]);\r
	25	}\r