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Remove unused BCinfo fields and an unused macro.

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This commit is contained in:
Mark Dickinson 2010-01-10 13:06:31 +00:00
parent 9d87323445
commit 5a0b399aa9
1 changed files with 8 additions and 21 deletions
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29
Python/dtoa.c
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@ -200,12 +200,6 @@ typedef union { double d; ULong L[2]; } U;
#define STRTOD_DIGLIM 40
#endif
#ifdef DIGLIM_DEBUG
extern int strtod_diglim;
#else
#define strtod_diglim STRTOD_DIGLIM
#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)
@ -269,8 +263,7 @@ extern int strtod_diglim;
typedef struct BCinfo BCinfo;
struct
BCinfo {
int dp0, dp1, dplen, dsign, e0, inexact;
int nd, nd0, rounding, scale, uflchk;
int dp0, dp1, dplen, dsign, e0, nd, nd0, scale;
};
#define FFFFFFFF 0xffffffffUL
@ -1318,7 +1311,7 @@ _Py_dg_strtod(const char *s00, char **se)
BCinfo bc;
Bigint *bb, *bb1, *bd, *bd0, *bs, *delta;
sign = nz0 = nz = bc.dplen = bc.uflchk = 0;
sign = nz0 = nz = bc.dplen = 0;
dval(&rv) = 0.;
for(s = s00;;s++) switch(*s) {
case '-':
@ -1555,11 +1548,11 @@ _Py_dg_strtod(const char *s00, char **se)
/* Put digits into bd: true value = bd * 10^e */
bc.nd = nd;
bc.nd0 = nd0; /* Only needed if nd > strtod_diglim, but done here */
bc.nd0 = nd0; /* Only needed if nd > STRTOD_DIGLIM, but done here */
/* to silence an erroneous warning about bc.nd0 */
/* possibly not being initialized. */
if (nd > strtod_diglim) {
/* ASSERT(strtod_diglim >= 18); 18 == one more than the */
if (nd > STRTOD_DIGLIM) {
/* ASSERT(STRTOD_DIGLIM >= 18); 18 == one more than the */
/* minimum number of decimal digits to distinguish double values */
/* in IEEE arithmetic. */
i = j = 18;
@ -1767,10 +1760,8 @@ _Py_dg_strtod(const char *s00, char **se)
/* accept rv */
break;
/* rv = smallest denormal */
if (bc.nd >nd) {
bc.uflchk = 1;
if (bc.nd >nd)
break;
}
goto undfl;
}
}
@ -1786,10 +1777,8 @@ _Py_dg_strtod(const char *s00, char **se)
else {
dval(&rv) -= ulp(&rv);
if (!dval(&rv)) {
if (bc.nd >nd) {
bc.uflchk = 1;
if (bc.nd >nd)
break;
}
goto undfl;
}
}
@ -1801,10 +1790,8 @@ _Py_dg_strtod(const char *s00, char **se)
aadj = aadj1 = 1.;
else if (word1(&rv) || word0(&rv) & Bndry_mask) {
if (word1(&rv) == Tiny1 && !word0(&rv)) {
if (bc.nd >nd) {
bc.uflchk = 1;
if (bc.nd >nd)
break;
}
goto undfl;
}
aadj = 1.;