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