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* common.mk (bignum.o, numeric.o): depend on util.h.

* bignum.c, marshal.c: fixed types.

* numeric.c (infinite_value): use ruby_div0.

* include/ruby/util.h (ruby_div0): moved from marshal.c.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-05-26 04:58:15 +00:00
parent 0acedf8066
commit 8e86bd59c0
7 changed files with 87 additions and 64 deletions

View file

@ -1,3 +1,13 @@
Tue May 26 13:58:13 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* common.mk (bignum.o, numeric.o): depend on util.h.
* bignum.c, marshal.c: fixed types.
* numeric.c (infinite_value): use ruby_div0.
* include/ruby/util.h (ruby_div0): moved from marshal.c.
Tue May 26 11:01:41 2009 TAKANO Mitsuhiro (takano32) <tak@no32.tk>
* lib/mkmf.rb: use map! to replace strings in $objs array.

View file

@ -10,6 +10,7 @@
**********************************************************************/
#include "ruby/ruby.h"
#include "ruby/util.h"
#include <math.h>
#include <float.h>
@ -28,9 +29,9 @@ VALUE rb_cBignum;
#define BDIGITS(x) (RBIGNUM_DIGITS(x))
#define BITSPERDIG (SIZEOF_BDIGITS*CHAR_BIT)
#define BIGRAD ((BDIGIT_DBL)1 << BITSPERDIG)
#define DIGSPERLONG ((unsigned int)(SIZEOF_LONG/SIZEOF_BDIGITS))
#define DIGSPERLONG (SIZEOF_LONG/SIZEOF_BDIGITS)
#if HAVE_LONG_LONG
# define DIGSPERLL ((unsigned int)(SIZEOF_LONG_LONG/SIZEOF_BDIGITS))
# define DIGSPERLL (SIZEOF_LONG_LONG/SIZEOF_BDIGITS)
#endif
#define BIGUP(x) ((BDIGIT_DBL)(x) << BITSPERDIG)
#define BIGDN(x) RSHIFT(x,BITSPERDIG)
@ -200,7 +201,7 @@ bigfixize(VALUE x)
BDIGIT *ds = BDIGITS(x);
if (len == 0) return INT2FIX(0);
if (len*SIZEOF_BDIGITS <= sizeof(long)) {
if ((size_t)(len*SIZEOF_BDIGITS) <= sizeof(long)) {
long num = 0;
#if 2*SIZEOF_BDIGITS > SIZEOF_LONG
num = (long)ds[0];
@ -532,7 +533,7 @@ rb_cstr_to_inum(const char *str, int base, int badcheck)
}
len *= strlen(str)*sizeof(char);
if (len <= (sizeof(long)*CHAR_BIT)) {
if ((size_t)len <= (sizeof(long)*CHAR_BIT)) {
unsigned long val = STRTOUL(str, &end, base);
if (str < end && *end == '_') goto bigparse;
@ -797,7 +798,8 @@ power_cache_get_power0(int base, int i)
static VALUE
power_cache_get_power(int base, long n1, long* m1)
{
long i, j, m;
int i, m;
long j;
VALUE t;
if (n1 <= KARATSUBA_DIGITS)
@ -1197,20 +1199,27 @@ big2dbl(VALUE x)
}
dl = ds[i];
if (bits && (dl & (1UL << (bits %= BITSPERDIG)))) {
int carry = dl & ~(~0UL << bits);
int carry = dl & ~(~(BDIGIT)0 << bits);
if (!carry) {
while (i-- > 0) {
if ((carry = ds[i]) != 0) break;
}
}
if (carry) {
dl &= ~0UL << bits;
dl += 1UL << bits;
dl &= (BDIGIT)~0 << bits;
dl += (BDIGIT)1 << bits;
if (!dl) d += 1;
}
}
d = dl + BIGRAD*d;
if (lo) d = ldexp(d, lo * BITSPERDIG);
if (lo) {
if (lo > INT_MAX / BITSPERDIG)
d = HUGE_VAL;
else if (lo < INT_MIN / BITSPERDIG)
d = 0.0;
else
d = ldexp(d, (int)(lo * BITSPERDIG));
}
}
}
if (!RBIGNUM_SIGN(x)) d = -d;
@ -1477,7 +1486,7 @@ bigsub_int(VALUE x, long y0)
for (i=0; i<xn; i++) {
}
RBIGNUM_SET_SIGN(z, !RBIGNUM_SIGN(x));
zds[0] = -num;
zds[0] = (BDIGIT)-num;
return bignorm(z);
}
zds[0] = BIGLO(num);
@ -1485,7 +1494,7 @@ bigsub_int(VALUE x, long y0)
i = 1;
#else
num = 0;
for (i=0; i<sizeof(y)/sizeof(BDIGIT); i++) {
for (i=0; i<(int)(sizeof(y)/sizeof(BDIGIT)); i++) {
num += (BDIGIT_DBL_SIGNED)xds[i] - BIGLO(y);
zds[i] = BIGLO(num);
num = BIGDN(num);
@ -1535,7 +1544,7 @@ bigadd_int(VALUE x, long y)
i = 1;
#else
num = 0;
for (i=0; i<sizeof(y)/sizeof(BDIGIT); i++) {
for (i=0; i<(int)(sizeof(y)/sizeof(BDIGIT)); i++) {
num += (BDIGIT_DBL)xds[i] + BIGLO(y);
zds[i] = BIGLO(num);
num = BIGDN(num);
@ -2363,12 +2372,13 @@ bdigbitsize(BDIGIT x)
static VALUE big_lshift(VALUE, unsigned long);
static VALUE big_rshift(VALUE, unsigned long);
static VALUE big_shift(VALUE x, int n)
static VALUE
big_shift(VALUE x, long n)
{
if (n < 0)
return big_lshift(x, (unsigned int)-n);
return big_lshift(x, (unsigned long)-n);
else if (n > 0)
return big_rshift(x, (unsigned int)n);
return big_rshift(x, (unsigned long)n);
return x;
}
@ -2393,11 +2403,13 @@ rb_big_fdiv(VALUE x, VALUE y)
if (isinf(dx)) {
#define DBL_BIGDIG ((DBL_MANT_DIG + BITSPERDIG) / BITSPERDIG)
VALUE z;
int ex, ey;
long l, ex, ey;
int i;
bigtrunc(x);
ex = (RBIGNUM_LEN(x) - 1) * BITSPERDIG;
ex += bdigbitsize(BDIGITS(x)[RBIGNUM_LEN(x) - 1]);
l = RBIGNUM_LEN(x) - 1;
ex = l * BITSPERDIG;
ex += bdigbitsize(BDIGITS(x)[l]);
ex -= 2 * DBL_BIGDIG * BITSPERDIG;
if (ex) x = big_shift(x, ex);
@ -2406,18 +2418,27 @@ rb_big_fdiv(VALUE x, VALUE y)
y = rb_int2big(FIX2LONG(y));
case T_BIGNUM: {
bigtrunc(y);
ey = (RBIGNUM_LEN(y) - 1) * BITSPERDIG;
ey += bdigbitsize(BDIGITS(y)[RBIGNUM_LEN(y) - 1]);
l = RBIGNUM_LEN(y) - 1;
ey = l * BITSPERDIG;
ey += bdigbitsize(BDIGITS(y)[l]);
ey -= DBL_BIGDIG * BITSPERDIG;
if (ey) y = big_shift(y, ey);
bignum:
bigdivrem(x, y, &z, 0);
return DBL2NUM(ldexp(big2dbl(z), ex - ey));
l = ex - ey;
#if SIZEOF_LONG > SIZEOF_INT
{
/* Visual C++ can't be here */
if (l > INT_MAX) return DBL2NUM(ruby_div0(1.0));
if (l < INT_MIN) return DBL2NUM(0.0);
}
#endif
return DBL2NUM(ldexp(big2dbl(z), (int)l));
}
case T_FLOAT:
if (isnan(RFLOAT_VALUE(y))) return y;
y = dbl2big(ldexp(frexp(RFLOAT_VALUE(y), &ey), DBL_MANT_DIG));
ey -= DBL_MANT_DIG;
y = dbl2big(ldexp(frexp(RFLOAT_VALUE(y), &i), DBL_MANT_DIG));
ey = i - DBL_MANT_DIG;
goto bignum;
}
}
@ -2746,7 +2767,7 @@ big_lshift(VALUE x, unsigned long shift)
{
BDIGIT *xds, *zds;
long s1 = shift/BITSPERDIG;
int s2 = shift%BITSPERDIG;
int s2 = (int)(shift%BITSPERDIG);
VALUE z;
BDIGIT_DBL num = 0;
long len, i;
@ -2812,7 +2833,7 @@ big_rshift(VALUE x, unsigned long shift)
{
BDIGIT *xds, *zds;
long s1 = shift/BITSPERDIG;
int s2 = shift%BITSPERDIG;
int s2 = (int)(shift%BITSPERDIG);
VALUE z;
BDIGIT_DBL num = 0;
long i, j;

View file

@ -486,7 +486,7 @@ VM_CORE_H_INCLUDES = {$(VPATH)}vm_core.h {$(VPATH)}vm_opts.h \
{$(VPATH)}node.h $(ID_H_INCLUDES)
array.$(OBJEXT): {$(VPATH)}array.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h
bignum.$(OBJEXT): {$(VPATH)}bignum.c $(RUBY_H_INCLUDES)
bignum.$(OBJEXT): {$(VPATH)}bignum.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h
class.$(OBJEXT): {$(VPATH)}class.c $(RUBY_H_INCLUDES) {$(VPATH)}node.h
compar.$(OBJEXT): {$(VPATH)}compar.c $(RUBY_H_INCLUDES)
complex.$(OBJEXT): {$(VPATH)}complex.c $(RUBY_H_INCLUDES)
@ -527,7 +527,7 @@ main.$(OBJEXT): {$(VPATH)}main.c $(RUBY_H_INCLUDES) {$(VPATH)}debug.h \
marshal.$(OBJEXT): {$(VPATH)}marshal.c $(RUBY_H_INCLUDES) {$(VPATH)}io.h \
$(ENCODING_H_INCLUDES) {$(VPATH)}util.h
math.$(OBJEXT): {$(VPATH)}math.c $(RUBY_H_INCLUDES)
numeric.$(OBJEXT): {$(VPATH)}numeric.c $(RUBY_H_INCLUDES) \
numeric.$(OBJEXT): {$(VPATH)}numeric.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h \
$(ENCODING_H_INCLUDES)
object.$(OBJEXT): {$(VPATH)}object.c $(RUBY_H_INCLUDES) {$(VPATH)}util.h
pack.$(OBJEXT): {$(VPATH)}pack.c $(RUBY_H_INCLUDES)

View file

@ -40,9 +40,9 @@ extern "C" {
#endif
#endif
#define scan_oct ruby_scan_oct
#define scan_oct(s,l,e) (int)ruby_scan_oct(s,l,e)
unsigned long ruby_scan_oct(const char *, size_t, size_t *);
#define scan_hex ruby_scan_hex
#define scan_hex(s,l,e) (int)ruby_scan_hex(s,l,e)
unsigned long ruby_scan_hex(const char *, size_t, size_t *);
#if defined(__CYGWIN32__) || defined(_WIN32)
@ -70,6 +70,20 @@ double ruby_strtod(const char *, char **);
#undef strtod
#define strtod(s,e) ruby_strtod(s,e)
#if defined _MSC_VER && _MSC_VER >= 1300
#pragma warning(push)
#pragma warning(disable:4723)
#endif
static inline double
ruby_div0(double x)
{
double t = 0.0;
return x / t;
}
#if defined _MSC_VER && _MSC_VER >= 1300
#pragma warning(pop)
#endif
void ruby_each_words(const char *, void (*)(const char*, int, void*), void *);
#if defined(__cplusplus)

View file

@ -30,7 +30,7 @@
#if SIZEOF_SHORT == SIZEOF_BDIGITS
#define SHORTLEN(x) (x)
#else
static int
static long
shortlen(long len, BDIGIT *ds)
{
BDIGIT num;
@ -188,7 +188,7 @@ class2path(VALUE klass)
static void w_long(long, struct dump_arg*);
static void
w_nbyte(const char *s, int n, struct dump_arg *arg)
w_nbyte(const char *s, long n, struct dump_arg *arg)
{
VALUE buf = arg->str;
rb_str_buf_cat(buf, s, n);
@ -207,7 +207,7 @@ w_byte(char c, struct dump_arg *arg)
}
static void
w_bytes(const char *s, int n, struct dump_arg *arg)
w_bytes(const char *s, long n, struct dump_arg *arg)
{
w_long(n, arg);
w_nbyte(s, n, arg);
@ -245,7 +245,7 @@ w_long(long x, struct dump_arg *arg)
w_byte((char)((x - 5)&0xff), arg);
return;
}
for (i=1;i<sizeof(long)+1;i++) {
for (i=1;i<(int)sizeof(long)+1;i++) {
buf[i] = (char)(x & 0xff);
x = RSHIFT(x,8);
if (x == 0) {
@ -306,8 +306,9 @@ save_mantissa(double d, char *buf)
}
static double
load_mantissa(double d, const char *buf, int len)
load_mantissa(double d, const char *buf, long len)
{
if (!len) return d;
if (--len > 0 && !*buf++) { /* binary mantissa mark */
int e, s = d < 0, dig = 0;
unsigned long m;
@ -363,7 +364,7 @@ w_float(double d, struct dump_arg *arg)
else strcpy(buf, "0");
}
else {
int len;
size_t len;
/* xxx: should not use system's sprintf(3) */
snprintf(buf, sizeof(buf), "%.*g", FLOAT_DIG, d);
@ -988,7 +989,7 @@ r_long(struct load_arg *arg)
if (4 < c && c < 128) {
return c - 5;
}
if (c > sizeof(long)) long_toobig(c);
if (c > (int)sizeof(long)) long_toobig(c);
x = 0;
for (i=0;i<c;i++) {
x |= (long)r_byte(arg) << (8*i);
@ -999,7 +1000,7 @@ r_long(struct load_arg *arg)
return c + 5;
}
c = -c;
if (c > sizeof(long)) long_toobig(c);
if (c > (int)sizeof(long)) long_toobig(c);
x = -1;
for (i=0;i<c;i++) {
x &= ~((long)0xff << (8*i));
@ -1201,19 +1202,7 @@ obj_alloc_by_path(const char *path, struct load_arg *arg)
return rb_obj_alloc(klass);
}
#if defined _MSC_VER && _MSC_VER >= 1300
#pragma warning(push)
#pragma warning(disable:4723)
#endif
static double
div0(double x)
{
double t = 0.0;
return x / t;
}
#if defined _MSC_VER && _MSC_VER >= 1300
#pragma warning(pop)
#endif
#define div0(x) ruby_div0(x)
static VALUE
r_object0(struct load_arg *arg, int *ivp, VALUE extmod)

View file

@ -11,6 +11,7 @@
#include "ruby/ruby.h"
#include "ruby/encoding.h"
#include "ruby/util.h"
#include <ctype.h>
#include <math.h>
#include <stdio.h>
@ -2449,19 +2450,7 @@ int_pow(long x, unsigned long y)
return LONG2NUM(z);
}
#if defined _MSC_VER && _MSC_VER >= 1300
#pragma warning(push)
#pragma warning(disable:4723)
#endif
static inline double
infinite_value(void)
{
static const double zero = 0.0;
return 1.0 / zero;
}
#if defined _MSC_VER && _MSC_VER >= 1300
#pragma warning(pop)
#endif
#define infinite_value() ruby_div0(1.0)
/*
* call-seq:

2
util.c
View file

@ -445,7 +445,7 @@ ruby_qsort(void* base, const size_t nel, const size_t size,
register int t, eq_l, eq_r; /* eq_l: all items in left group are equal to S */
char *L = base; /* left end of curren region */
char *R = (char*)base + size*(nel-1); /* right end of current region */
int chklim = 63; /* threshold of ordering element check */
size_t chklim = 63; /* threshold of ordering element check */
stack_node stack[32], *top = stack; /* 32 is enough for 32bit CPU */
int mmkind;
size_t high, low, n;