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kdelibs3/kdelibs-3.5.10-dtoa.patch
Than Ngo e8a9a9baa7 backport upstream patches
2009-12-09 18:32:39 +00:00

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diff -up kdelibs-3.5.10/kjs/dtoa.cpp.orig kdelibs-3.5.10/kjs/dtoa.cpp
--- kdelibs-3.5.10/kjs/dtoa.cpp.orig 2009-12-09 18:32:22.000000000 +0100
+++ kdelibs-3.5.10/kjs/dtoa.cpp 2009-12-09 18:32:36.000000000 +0100
@@ -174,9 +174,10 @@
#undef CONST
#endif
+#include "dtoa.h"
#include <config.h>
-#include "stdlib.h"
+#include "global.h"
#ifdef WORDS_BIGENDIAN
#define IEEE_MC68k
@@ -184,7 +185,6 @@
#define IEEE_8087
#endif
#define INFNAN_CHECK
-#include "dtoa.h"
@@ -196,22 +196,19 @@ typedef unsigned Long ULong;
#endif
#ifdef DEBUG
-#include "stdio.h"
+#include <stdio.h>
#define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);}
#endif
-#include "string.h"
+#include <stdlib.h>
+#include <string.h>
#ifdef USE_LOCALE
-#include "locale.h"
+#include <locale.h>
#endif
#ifdef MALLOC
-#ifdef KR_headers
-extern char *MALLOC();
-#else
extern void *MALLOC(size_t);
-#endif
#else
#define MALLOC malloc
#endif
@@ -233,7 +230,7 @@ static double private_mem[PRIVATE_mem],
#define IEEE_Arith
#endif
-#include "errno.h"
+#include <errno.h>
#ifdef Bad_float_h
@@ -260,25 +257,29 @@ static double private_mem[PRIVATE_mem],
#define DBL_MAX 1.7014118346046923e+38
#endif
+#ifndef LONG_MAX
+#define LONG_MAX 2147483647
+#endif
+
#else /* ifndef Bad_float_h */
-#include "float.h"
+#include <float.h>
#endif /* Bad_float_h */
#ifndef __MATH_H__
-#include "math.h"
+#include <math.h>
#endif
+#define strtod kjs_strtod
+#define dtoa kjs_dtoa
+#define freedtoa kjs_freedtoa
+
#ifdef __cplusplus
extern "C" {
#endif
#ifndef CONST
-#ifdef KR_headers
-#define CONST /* blank */
-#else
#define CONST const
#endif
-#endif
#if defined(IEEE_8087) + defined(IEEE_MC68k) + defined(VAX) + defined(IBM) != 1
Exactly one of IEEE_8087, IEEE_MC68k, VAX, or IBM should be defined.
@@ -286,37 +287,19 @@ Exactly one of IEEE_8087, IEEE_MC68k, VA
typedef union { double d; ULong L[2]; } U;
-#ifdef YES_ALIAS
-#define dval(x) x
+#define dval(x) (x).d
#ifdef IEEE_8087
-#define word0(x) ((ULong *)&x)[1]
-#define word1(x) ((ULong *)&x)[0]
+#define word0(x) (x).L[1]
+#define word1(x) (x).L[0]
#else
-#define word0(x) ((ULong *)&x)[0]
-#define word1(x) ((ULong *)&x)[1]
-#endif
-#else
-#ifdef IEEE_8087
-#define word0(x) ((U*)&x)->L[1]
-#define word1(x) ((U*)&x)->L[0]
-#else
-#define word0(x) ((U*)&x)->L[0]
-#define word1(x) ((U*)&x)->L[1]
-#endif
-#define dval(x) ((U*)&x)->d
+#define word0(x) (x).L[0]
+#define word1(x) (x).L[1]
#endif
/* The following definition of Storeinc is appropriate for MIPS processors.
* An alternative that might be better on some machines is
- * #define Storeinc(a,b,c) (*a++ = b << 16 | c & 0xffff)
*/
-#if defined(IEEE_8087) + defined(VAX)
-#define Storeinc(a,b,c) (((unsigned short *)a)[1] = (unsigned short)b, \
-((unsigned short *)a)[0] = (unsigned short)c, a++)
-#else
-#define Storeinc(a,b,c) (((unsigned short *)a)[0] = (unsigned short)b, \
-((unsigned short *)a)[1] = (unsigned short)c, a++)
-#endif
+#define Storeinc(a,b,c) (*a++ = b << 16 | c & 0xffff)
/* #define P DBL_MANT_DIG */
/* Ten_pmax = floor(P*log(2)/log(5)) */
@@ -440,11 +423,7 @@ typedef union { double d; ULong L[2]; }
#ifdef RND_PRODQUOT
#define rounded_product(a,b) a = rnd_prod(a, b)
#define rounded_quotient(a,b) a = rnd_quot(a, b)
-#ifdef KR_headers
-extern double rnd_prod(), rnd_quot();
-#else
extern double rnd_prod(double, double), rnd_quot(double, double);
-#endif
#else
#define rounded_product(a,b) a *= b
#define rounded_quotient(a,b) a /= b
@@ -457,11 +436,7 @@ extern double rnd_prod(double, double),
#define Pack_32
#endif
-#ifdef KR_headers
-#define FFFFFFFF ((((unsigned long)0xffff)<<16)|(unsigned long)0xffff)
-#else
#define FFFFFFFF 0xffffffffUL
-#endif
#ifdef NO_LONG_LONG
#undef ULLong
@@ -487,7 +462,7 @@ extern double rnd_prod(double, double),
#define FREE_DTOA_LOCK(n) /*nothing*/
#endif
-#define Kmax 15
+#define Kmax (sizeof(size_t) << 3)
struct
Bigint {
@@ -502,11 +477,7 @@ Bigint {
static Bigint *
Balloc
-#ifdef KR_headers
- (k) int k;
-#else
(int k)
-#endif
{
int x;
Bigint *rv;
@@ -525,7 +496,7 @@ Balloc
#else
len = (sizeof(Bigint) + (x-1)*sizeof(ULong) + sizeof(double) - 1)
/sizeof(double);
- if (pmem_next - private_mem + len <= PRIVATE_mem) {
+ if (pmem_next - private_mem + len <= (unsigned)PRIVATE_mem) {
rv = (Bigint*)pmem_next;
pmem_next += len;
}
@@ -542,11 +513,7 @@ Balloc
static void
Bfree
-#ifdef KR_headers
- (v) Bigint *v;
-#else
(Bigint *v)
-#endif
{
if (v) {
ACQUIRE_DTOA_LOCK(0);
@@ -561,11 +528,7 @@ y->wds*sizeof(Long) + 2*sizeof(int))
static Bigint *
multadd
-#ifdef KR_headers
- (b, m, a) Bigint *b; int m, a;
-#else
(Bigint *b, int m, int a) /* multiply by m and add a */
-#endif
{
int i, wds;
#ifdef ULLong
@@ -587,7 +550,7 @@ multadd
#ifdef ULLong
y = *x * (ULLong)m + carry;
carry = y >> 32;
- *x++ = y & FFFFFFFF;
+ *x++ = (ULong)y & FFFFFFFF;
#else
#ifdef Pack_32
xi = *x;
@@ -610,7 +573,7 @@ multadd
Bfree(b);
b = b1;
}
- b->x[wds++] = carry;
+ b->x[wds++] = (ULong)carry;
b->wds = wds;
}
return b;
@@ -618,11 +581,7 @@ multadd
static Bigint *
s2b
-#ifdef KR_headers
- (s, nd0, nd, y9) CONST char *s; int nd0, nd; ULong y9;
-#else
(CONST char *s, int nd0, int nd, ULong y9)
-#endif
{
Bigint *b;
int i, k;
@@ -656,11 +615,7 @@ s2b
static int
hi0bits
-#ifdef KR_headers
- (x) register ULong x;
-#else
(register ULong x)
-#endif
{
register int k = 0;
@@ -690,11 +645,7 @@ hi0bits
static int
lo0bits
-#ifdef KR_headers
- (y) ULong *y;
-#else
(ULong *y)
-#endif
{
register int k;
register ULong x = *y;
@@ -738,11 +689,7 @@ lo0bits
static Bigint *
i2b
-#ifdef KR_headers
- (i) int i;
-#else
(int i)
-#endif
{
Bigint *b;
@@ -754,11 +701,7 @@ i2b
static Bigint *
mult
-#ifdef KR_headers
- (a, b) Bigint *a, *b;
-#else
(Bigint *a, Bigint *b)
-#endif
{
Bigint *c;
int k, wa, wb, wc;
@@ -801,10 +744,10 @@ mult
do {
z = *x++ * (ULLong)y + *xc + carry;
carry = z >> 32;
- *xc++ = z & FFFFFFFF;
+ *xc++ = (ULong)z & FFFFFFFF;
}
while(x < xae);
- *xc = carry;
+ *xc = (ULong)carry;
}
}
#else
@@ -866,11 +809,7 @@ mult
static Bigint *
pow5mult
-#ifdef KR_headers
- (b, k) Bigint *b; int k;
-#else
(Bigint *b, int k)
-#endif
{
Bigint *b1, *p5, *p51;
int i;
@@ -923,11 +862,7 @@ pow5mult
static Bigint *
lshift
-#ifdef KR_headers
- (b, k) Bigint *b; int k;
-#else
(Bigint *b, int k)
-#endif
{
int i, k1, n, n1;
Bigint *b1;
@@ -983,11 +918,7 @@ lshift
static int
cmp
-#ifdef KR_headers
- (a, b) Bigint *a, *b;
-#else
(Bigint *a, Bigint *b)
-#endif
{
ULong *xa, *xa0, *xb, *xb0;
int i, j;
@@ -1017,11 +948,7 @@ cmp
static Bigint *
diff
-#ifdef KR_headers
- (a, b) Bigint *a, *b;
-#else
(Bigint *a, Bigint *b)
-#endif
{
Bigint *c;
int i, wa, wb;
@@ -1064,13 +991,13 @@ diff
do {
y = (ULLong)*xa++ - *xb++ - borrow;
borrow = y >> 32 & (ULong)1;
- *xc++ = y & FFFFFFFF;
+ *xc++ = (ULong)y & FFFFFFFF;
}
while(xb < xbe);
while(xa < xae) {
y = *xa++ - borrow;
borrow = y >> 32 & (ULong)1;
- *xc++ = y & FFFFFFFF;
+ *xc++ = (ULong)y & FFFFFFFF;
}
#else
#ifdef Pack_32
@@ -1111,15 +1038,12 @@ diff
static double
ulp
-#ifdef KR_headers
- (x) double x;
-#else
- (double x)
-#endif
+ (double dx)
{
register Long L;
- double a;
+ U x, a;
+ dval(x) = dx;
L = (word0(x) & Exp_mask) - (P-1)*Exp_msk1;
#ifndef Avoid_Underflow
#ifndef Sudden_Underflow
@@ -1153,15 +1077,11 @@ ulp
static double
b2d
-#ifdef KR_headers
- (a, e) Bigint *a; int *e;
-#else
(Bigint *a, int *e)
-#endif
{
ULong *xa, *xa0, w, y, z;
int k;
- double d;
+ U d;
#ifdef VAX
ULong d0, d1;
#else
@@ -1223,12 +1143,9 @@ b2d
static Bigint *
d2b
-#ifdef KR_headers
- (d, e, bits) double d; int *e, *bits;
-#else
- (double d, int *e, int *bits)
-#endif
+ (double dd, int *e, int *bits)
{
+ U d;
Bigint *b;
int de, k;
ULong *x, y, z;
@@ -1237,6 +1154,9 @@ d2b
#endif
#ifdef VAX
ULong d0, d1;
+#endif
+ dval(d) = dd;
+#ifdef VAX
d0 = word0(d) >> 16 | word0(d) << 16;
d1 = word1(d) >> 16 | word1(d) << 16;
#else
@@ -1361,13 +1281,9 @@ d2b
static double
ratio
-#ifdef KR_headers
- (a, b) Bigint *a, *b;
-#else
(Bigint *a, Bigint *b)
-#endif
{
- double da, db;
+ U da, db;
int k, ka, kb;
dval(da) = b2d(a, &ka);
@@ -1453,11 +1369,7 @@ static CONST double tinytens[] = { 1e-16
static int
match
-#ifdef KR_headers
- (sp, t) char **sp, *t;
-#else
(CONST char **sp, CONST char *t)
-#endif
{
int c, d;
CONST char *s = *sp;
@@ -1475,11 +1387,7 @@ match
#ifndef No_Hex_NaN
static void
hexnan
-#ifdef KR_headers
- (rvp, sp) double *rvp; CONST char **sp;
-#else
- (double *rvp, CONST char **sp)
-#endif
+ (U *rvp, CONST char **sp)
{
ULong c, x[2];
CONST char *s;
@@ -1528,12 +1436,8 @@ hexnan
#endif /* INFNAN_CHECK */
double
-kjs_strtod
-#ifdef KR_headers
- (s00, se) CONST char *s00; char **se;
-#else
+strtod
(CONST char *s00, char **se)
-#endif
{
#ifdef Avoid_Underflow
int scale;
@@ -1541,7 +1445,8 @@ kjs_strtod
int bb2, bb5, bbe, bd2, bd5, bbbits, bs2, c, dsign,
e, e1, esign, i, j, k, nd, nd0, nf, nz, nz0, sign;
CONST char *s, *s0, *s1;
- double aadj, aadj1, adj, rv, rv0;
+ double aadj, aadj1, adj;
+ U aadj2, rv, rv0;
Long L;
ULong y, z;
Bigint *bb = NULL, *bb1 = NULL, *bd = NULL, *bd0 = NULL, *bs = NULL, *delta = NULL;
@@ -2302,7 +2207,9 @@ kjs_strtod
aadj = z;
aadj1 = dsign ? aadj : -aadj;
}
- word0(aadj1) += (2*P+1)*Exp_msk1 - y;
+ dval(aadj2) = aadj1;
+ word0(aadj2) += (2*P+1)*Exp_msk1 - y;
+ aadj1 = dval(aadj2);
}
adj = aadj1 * ulp(dval(rv));
dval(rv) += adj;
@@ -2419,11 +2326,7 @@ kjs_strtod
static int
quorem
-#ifdef KR_headers
- (b, S) Bigint *b, *S;
-#else
(Bigint *b, Bigint *S)
-#endif
{
int n;
ULong *bx, *bxe, q, *sx, *sxe;
@@ -2461,7 +2364,7 @@ quorem
carry = ys >> 32;
y = *bx - (ys & FFFFFFFF) - borrow;
borrow = y >> 32 & (ULong)1;
- *bx++ = y & FFFFFFFF;
+ *bx++ = (ULong)y & FFFFFFFF;
#else
#ifdef Pack_32
si = *sx++;
@@ -2502,7 +2405,7 @@ quorem
carry = ys >> 32;
y = *bx - (ys & FFFFFFFF) - borrow;
borrow = y >> 32 & (ULong)1;
- *bx++ = y & FFFFFFFF;
+ *bx++ = (ULong)y & FFFFFFFF;
#else
#ifdef Pack_32
si = *sx++;
@@ -2540,11 +2443,7 @@ quorem
#endif
static char *
-#ifdef KR_headers
-rv_alloc(i) int i;
-#else
rv_alloc(int i)
-#endif
{
int j, k, *r;
@@ -2563,11 +2462,7 @@ rv_alloc(int i)
}
static char *
-#ifdef KR_headers
-nrv_alloc(s, rve, n) char *s, **rve; int n;
-#else
nrv_alloc(CONST char *s, char **rve, int n)
-#endif
{
char *rv, *t;
@@ -2585,11 +2480,7 @@ nrv_alloc(CONST char *s, char **rve, int
*/
void
-#ifdef KR_headers
-kjs_freedtoa(s) char *s;
-#else
-kjs_freedtoa(char *s)
-#endif
+freedtoa(char *s)
{
Bigint *b = (Bigint *)((int *)s - 1);
b->maxwds = 1 << (b->k = *(int*)b);
@@ -2635,13 +2526,8 @@ kjs_freedtoa(char *s)
*/
char *
-kjs_dtoa
-#ifdef KR_headers
- (d, mode, ndigits, decpt, sign, rve)
- double d; int mode, ndigits, *decpt, *sign; char **rve;
-#else
- (double d, int mode, int ndigits, int *decpt, int *sign, char **rve)
-#endif
+dtoa
+ (double dd, int mode, int ndigits, int *decpt, int *sign, char **rve)
{
/* Arguments ndigits, decpt, sign are similar to those
of ecvt and fcvt; trailing zeros are suppressed from
@@ -2686,7 +2572,8 @@ kjs_dtoa
ULong x;
#endif
Bigint *b, *b1, *delta, *mlo = NULL, *mhi, *S;
- double d2, ds, eps;
+ U d, d2, eps;
+ double ds;
char *s, *s0;
#ifdef Honor_FLT_ROUNDS
int rounding;
@@ -2697,11 +2584,12 @@ kjs_dtoa
#ifndef MULTIPLE_THREADS
if (dtoa_result) {
- kjs_freedtoa(dtoa_result);
+ freedtoa(dtoa_result);
dtoa_result = 0;
}
#endif
+ dval(d) = dd;
if (word0(d) & Sign_bit) {
/* set sign for everything, including 0's and NaNs */
*sign = 1;
@@ -2966,7 +2854,8 @@ kjs_dtoa
if (dval(d) > 0.5 + dval(eps))
goto bump_up;
else if (dval(d) < 0.5 - dval(eps)) {
- while(*--s == '0');
+ while(*--s == '0')
+ ;
s++;
goto ret1;
}
@@ -3285,7 +3174,8 @@ kjs_dtoa
#ifdef Honor_FLT_ROUNDS
trimzeros:
#endif
- while(*--s == '0');
+ while(*--s == '0')
+ ;
s++;
}
ret:
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