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decNumber.c (decNumberPower): Constify.

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* decNumber.c (decNumberPower): Constify.
	* decNumber.h (decNumberPower): Likewise.

From-SVN: r116990
This commit is contained in:
Kaveh R. Ghazi 2006-09-16 02:54:29 +00:00 committed by Kaveh Ghazi
parent a22719c100
commit e757d6b231
3 changed files with 15 additions and 8 deletions
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5
libdecnumber/ChangeLog
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@ -1,3 +1,8 @@
2006-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* decNumber.c (decNumberPower): Constify.
* decNumber.h (decNumberPower): Likewise.
2006-09-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 2006-09-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* configure.ac (ACX_PROG_CC_WARNING_OPTS): Add -Wcast-qual. * configure.ac (ACX_PROG_CC_WARNING_OPTS): Add -Wcast-qual.

14
libdecnumber/decNumber.c
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@ -964,13 +964,13 @@ decNumberNormalize (decNumber * res, const decNumber * rhs, decContext * set)
/* Specification restriction: abs(n) must be <=999999999 */ /* Specification restriction: abs(n) must be <=999999999 */
/* ------------------------------------------------------------------ */ /* ------------------------------------------------------------------ */
decNumber * decNumber *
decNumberPower (decNumber * res, decNumber * lhs, decNumberPower (decNumber * res, const decNumber * lhs,
decNumber * rhs, decContext * set) const decNumber * rhs, decContext * set)
{ {
decNumber *alloclhs = NULL; /* non-NULL if rounded lhs allocated */ decNumber *alloclhs = NULL; /* non-NULL if rounded lhs allocated */
decNumber *allocrhs = NULL; /* .., rhs */ decNumber *allocrhs = NULL; /* .., rhs */
decNumber *allocdac = NULL; /* -> allocated acc buffer, iff used */ decNumber *allocdac = NULL; /* -> allocated acc buffer, iff used */
decNumber *inrhs = rhs; /* save original rhs */ const decNumber *inrhs = rhs; /* save original rhs */
Int reqdigits = set->digits; /* requested DIGITS */ Int reqdigits = set->digits; /* requested DIGITS */
Int n; /* RHS in binary */ Int n; /* RHS in binary */
Int i; /* work */ Int i; /* work */
@ -1117,6 +1117,7 @@ decNumberPower (decNumber * res, decNumber * lhs,
/* we'll invert the lhs now rather than inverting the result later */ /* we'll invert the lhs now rather than inverting the result later */
if (decNumberIsNegative (rhs)) if (decNumberIsNegative (rhs))
{ /* was a **-n [hence digits>0] */ { /* was a **-n [hence digits>0] */
decNumber * newlhs;
decNumberCopy (&dnOne, dac); /* dnOne=1; [needed now or later] */ decNumberCopy (&dnOne, dac); /* dnOne=1; [needed now or later] */
#if DECSUBSET #if DECSUBSET
if (set->extended) if (set->extended)
@ -1138,13 +1139,14 @@ decNumberPower (decNumber * res, decNumber * lhs,
status |= DEC_Insufficient_storage; status |= DEC_Insufficient_storage;
break; break;
} }
lhs = alloclhs; /* use the allocated space */ newlhs = alloclhs; /* use the allocated space */
} }
else else
lhs = (decNumber *) lhsbuff; /* use stack storage */ newlhs = (decNumber *) lhsbuff; /* use stack storage */
/* [lhs now points to buffer or allocated storage] */ /* [lhs now points to buffer or allocated storage] */
decNumberCopy (lhs, dac); /* copy the 1/lhs */ decNumberCopy (newlhs, dac); /* copy the 1/lhs */
decNumberCopy (dac, &dnOne); /* restore acc=1 */ decNumberCopy (dac, &dnOne); /* restore acc=1 */
lhs = newlhs;
#if DECSUBSET #if DECSUBSET
} }
#endif #endif

4
libdecnumber/decNumber.h
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@ -152,8 +152,8 @@ decNumber *decNumberMultiply (decNumber *, const decNumber *,
const decNumber *, decContext *); const decNumber *, decContext *);
decNumber *decNumberNormalize (decNumber *, const decNumber *, decContext *); decNumber *decNumberNormalize (decNumber *, const decNumber *, decContext *);
decNumber *decNumberPlus (decNumber *, const decNumber *, decContext *); decNumber *decNumberPlus (decNumber *, const decNumber *, decContext *);
decNumber *decNumberPower (decNumber *, decNumber *, decNumber *, decNumber *decNumberPower (decNumber *, const decNumber *,
decContext *); const decNumber *, decContext *);
decNumber *decNumberQuantize (decNumber *, const decNumber *, decNumber *decNumberQuantize (decNumber *, const decNumber *,
const decNumber *, decContext *); const decNumber *, decContext *);
decNumber *decNumberRemainder (decNumber *, const decNumber *, decNumber *decNumberRemainder (decNumber *, const decNumber *,