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Use ieee.h.

This commit is contained in:
mycroft 1999-08-29 18:23:26 +00:00
parent 4ef547e76d
commit 291053e1e2
1 changed files with 11 additions and 23 deletions
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34
lib/libc/arch/mips/gen/frexp.c
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@ -1,8 +1,8 @@
/* $NetBSD: frexp.c,v 1.3 1997/07/13 18:45:24 christos Exp $ */
/* $NetBSD: frexp.c,v 1.4 1999/08/29 18:23:26 mycroft Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -36,14 +36,14 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char sccsid[] = "@(#)frexp.c 8.1 (Berkeley) 6/4/93";
static char sccsid[] = "@(#)frexp.c 5.1 (Berkeley) 3/7/91";
#else
__RCSID("$NetBSD: frexp.c,v 1.3 1997/07/13 18:45:24 christos Exp $");
__RCSID("$NetBSD: frexp.c,v 1.4 1999/08/29 18:23:26 mycroft Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <machine/endian.h>
#include <machine/ieee.h>
#include <math.h>
double
@ -53,28 +53,16 @@ frexp(value, eptr)
{
union {
double v;
struct {
#if BYTE_ORDER == LITTLE_ENDIAN
u_int u_mant2 : 32;
u_int u_mant1 : 20;
u_int u_exp : 11;
u_int u_sign : 1;
#else
u_int u_sign : 1;
u_int u_exp : 11;
u_int u_mant1 : 20;
u_int u_mant2 : 32;
#endif
} s;
struct ieee_double s;
} u;
if (value) {
u.v = value;
*eptr = u.s.u_exp - 1022;
u.s.u_exp = 1022;
return(u.v);
*eptr = u.s.dbl_exp - (DBL_EXP_BIAS - 1);
u.s.dbl_exp = DBL_EXP_BIAS - 1;
return (u.v);
} else {
*eptr = 0;
return((double)0);
return (0.0);
}
}