21 lines
366 B
C
21 lines
366 B
C
/* $NetBSD: flt_rounds.c,v 1.2 1998/02/03 01:30:43 mycroft 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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0, /* round to zero */
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2, /* round to positive infinity */
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3 /* round to negative infinity */
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};
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int
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__flt_rounds()
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{
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double tmp;
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int x;
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asm("mffs %0; stfiwx %0,0,%1" : "=f"(tmp): "b"(&x));
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return map[x & 0x03];
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}
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