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fix for -Wshadow

This commit is contained in:
mjl 2001-11-07 17:46:21 +00:00
parent 061889c028
commit d1960d6679
1 changed files with 15 additions and 15 deletions
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30
lib/libc/arch/powerpc/gen/ldexp.c
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@ -1,4 +1,4 @@
/* $NetBSD: ldexp.c,v 1.9 1999/08/30 18:28:26 mycroft Exp $ */
/* $NetBSD: ldexp.c,v 1.10 2001/11/07 17:46:21 mjl Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: ldexp.c,v 1.9 1999/08/30 18:28:26 mycroft Exp $");
__RCSID("$NetBSD: ldexp.c,v 1.10 2001/11/07 17:46:21 mjl Exp $");
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
@ -47,12 +47,12 @@ __RCSID("$NetBSD: ldexp.c,v 1.9 1999/08/30 18:28:26 mycroft Exp $");
#include <math.h>
/*
* Multiply the given value by 2^exp.
* Multiply the given value by 2^expon.
*/
double
ldexp(val, exp)
ldexp(val, expon)
double val;
int exp;
int expon;
{
register int oldexp, newexp;
union {
@ -74,17 +74,17 @@ ldexp(val, exp)
* u.v is denormal. We must adjust it so that the exponent
* arithmetic below will work.
*/
if (exp <= DBL_EXP_BIAS) {
if (expon <= DBL_EXP_BIAS) {
/*
* Optimization: if the scaling can be done in a single
* multiply, or underflows, just do it now.
*/
if (exp <= -DBL_FRACBITS) {
if (expon <= -DBL_FRACBITS) {
errno = ERANGE;
return (0.0);
}
mul.v = 0.0;
mul.s.dbl_exp = exp + DBL_EXP_BIAS;
mul.s.dbl_exp = expon + DBL_EXP_BIAS;
u.v *= mul.v;
if (u.v == 0.0) {
errno = ERANGE;
@ -93,14 +93,14 @@ ldexp(val, exp)
return (u.v);
} else {
/*
* We know that exp is very large, and therefore the
* We know that expon is very large, and therefore the
* result cannot be denormal (though it may be Inf).
* Shift u.v by just enough to make it normal.
*/
mul.v = 0.0;
mul.s.dbl_exp = DBL_FRACBITS + DBL_EXP_BIAS;
u.v *= mul.v;
exp -= DBL_FRACBITS;
expon -= DBL_FRACBITS;
oldexp = u.s.dbl_exp;
}
}
@ -109,7 +109,7 @@ ldexp(val, exp)
* u.v is now normalized and oldexp has been adjusted if necessary.
* Calculate the new exponent and check for underflow and overflow.
*/
newexp = oldexp + exp;
newexp = oldexp + expon;
if (newexp <= 0) {
/*
@ -121,17 +121,17 @@ ldexp(val, exp)
return (0.0);
}
/*
* Denormalize the result. We do this with a multiply. If exp
* Denormalize the result. We do this with a multiply. If expon
* is very large, it won't fit in a double, so we have to
* adjust the exponent first. This is safe because we know
* that u.v is normal at this point.
*/
if (exp <= -DBL_EXP_BIAS) {
if (expon <= -DBL_EXP_BIAS) {
u.s.dbl_exp = 1;
exp += oldexp - 1;
expon += oldexp - 1;
}
mul.v = 0.0;
mul.s.dbl_exp = exp + DBL_EXP_BIAS;
mul.s.dbl_exp = expon + DBL_EXP_BIAS;
u.v *= mul.v;
return (u.v);
} else if (newexp >= DBL_EXP_INFNAN) {