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-rw-r--r--bignum.c342
1 files changed, 166 insertions, 176 deletions
diff --git a/bignum.c b/bignum.c
index 4318760d74..876193bd82 100644
--- a/bignum.c
+++ b/bignum.c
@@ -12,7 +12,7 @@
#include <math.h>
#include <ctype.h>
-VALUE cBignum;
+VALUE rb_cBignum;
typedef unsigned short USHORT;
#define BDIGITS(x) RBIGNUM(x)->digits
@@ -38,10 +38,10 @@ bignew_1(klass, len, sign)
return (VALUE)big;
}
-#define bignew(len,sign) bignew_1(cBignum,len,sign)
+#define bignew(len,sign) bignew_1(rb_cBignum,len,sign)
VALUE
-big_clone(x)
+rb_big_clone(x)
VALUE x;
{
VALUE z = bignew_1(CLASS_OF(x), RBIGNUM(x)->len, RBIGNUM(x)->sign);
@@ -51,7 +51,7 @@ big_clone(x)
}
void
-big_2comp(x) /* get 2's complement */
+rb_big_2comp(x) /* get 2's complement */
VALUE x;
{
unsigned int i = RBIGNUM(x)->len;
@@ -101,14 +101,14 @@ bignorm(x)
}
VALUE
-big_norm(x)
+rb_big_norm(x)
VALUE x;
{
- return bignorm(RBIGNUM(x));
+ return bignorm(x);
}
VALUE
-uint2big(n)
+rb_uint2big(n)
unsigned long n;
{
unsigned int i = 0;
@@ -130,7 +130,7 @@ uint2big(n)
}
VALUE
-int2big(n)
+rb_int2big(n)
long n;
{
long neg = 0;
@@ -140,7 +140,7 @@ int2big(n)
n = -n;
neg = 1;
}
- big = uint2big(n);
+ big = rb_uint2big(n);
if (neg) {
RBIGNUM(big)->sign = 0;
}
@@ -148,23 +148,23 @@ int2big(n)
}
VALUE
-uint2inum(n)
+rb_uint2inum(n)
unsigned long n;
{
if (POSFIXABLE(n)) return INT2FIX(n);
- return uint2big(n);
+ return rb_uint2big(n);
}
VALUE
-int2inum(n)
+rb_int2inum(n)
long n;
{
if (FIXABLE(n)) return INT2FIX(n);
- return int2big(n);
+ return rb_int2big(n);
}
VALUE
-str2inum(str, base)
+rb_str2inum(str, base)
char *str;
int base;
{
@@ -222,7 +222,7 @@ str2inum(str, base)
}
}
else {
- VALUE big = uint2big(val);
+ VALUE big = rb_uint2big(val);
RBIGNUM(big)->sign = sign;
return big;
}
@@ -271,7 +271,7 @@ str2inum(str, base)
static char hexmap[] = "0123456789abcdef";
VALUE
-big2str(x, base)
+rb_big2str(x, base)
VALUE x;
int base;
{
@@ -282,10 +282,10 @@ big2str(x, base)
char *s, c;
if (FIXNUM_P(x)) {
- return fix2str(x, base);
+ return rb_fix2str(x, base);
}
i = RBIGNUM(x)->len;
- if (i == 0) return str_new2("0");
+ if (i == 0) return rb_str_new2("0");
if (base == 10) {
j = (sizeof(USHORT)/sizeof(char)*CHAR_BIT*i*241L)/800+2;
hbase = 10000;
@@ -305,12 +305,12 @@ big2str(x, base)
else {
j = 0;
hbase = 0;
- Fail("bignum cannot treat base %d", base);
+ rb_raise(rb_eArgError, "bignum cannot treat base %d", base);
}
- t = big_clone(x);
+ t = rb_big_clone(x);
ds = BDIGITS(t);
- ss = str_new(0, j);
+ ss = rb_str_new(0, j);
s = RSTRING(ss)->ptr;
s[0] = RBIGNUM(x)->sign ? '+' : '-';
@@ -340,14 +340,14 @@ big2str(x, base)
}
static VALUE
-big_to_s(x)
+rb_big_to_s(x)
VALUE x;
{
- return big2str(x, 10);
+ return rb_big2str(x, 10);
}
unsigned long
-big2ulong(x)
+rb_big2ulong(x)
VALUE x;
{
unsigned long num;
@@ -355,7 +355,7 @@ big2ulong(x)
USHORT *ds;
if (len > sizeof(long)/sizeof(USHORT))
- ArgError("bignum too big to convert into `uint'");
+ rb_raise(rb_eArgError, "bignum too big to convert into `uint'");
ds = BDIGITS(x);
num = 0;
while (len--) {
@@ -366,27 +366,27 @@ big2ulong(x)
}
long
-big2long(x)
+rb_big2long(x)
VALUE x;
{
- unsigned long num = big2ulong(x);
+ unsigned long num = rb_big2ulong(x);
if ((long)num < 0) {
- ArgError("bignum too big to convert into `int'");
+ rb_raise(rb_eArgError, "bignum too big to convert into `int'");
}
if (!RBIGNUM(x)->sign) return -num;
return num;
}
-VALUE
-big_to_i(x)
+static VALUE
+rb_big_to_i(x)
VALUE x;
{
return bignorm(x);
}
VALUE
-dbl2big(d)
+rb_dbl2big(d)
double d;
{
unsigned int i = 0;
@@ -412,7 +412,7 @@ dbl2big(d)
}
double
-big2dbl(x)
+rb_big2dbl(x)
VALUE x;
{
double d = 0.0;
@@ -426,29 +426,29 @@ big2dbl(x)
return d;
}
-VALUE
-big_to_f(x)
+static VALUE
+rb_big_to_f(x)
VALUE x;
{
- return float_new(big2dbl(x));
+ return rb_float_new(rb_big2dbl(x));
}
static VALUE
-big_cmp(x, y)
+rb_big_cmp(x, y)
VALUE x, y;
{
int xlen = RBIGNUM(x)->len;
switch (TYPE(y)) {
case T_FIXNUM:
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
break;
case T_BIGNUM:
break;
default:
- return num_coerce_bin(x, y);
+ return rb_num_coerce_bin(x, y);
}
if (RBIGNUM(x)->sign > RBIGNUM(y)->sign) return INT2FIX(1);
@@ -466,18 +466,18 @@ big_cmp(x, y)
}
static VALUE
-big_eq(x, y)
+rb_big_eq(x, y)
VALUE x, y;
{
- if (big_cmp(x, y) == INT2FIX(0)) return TRUE;
- return FALSE;
+ if (rb_big_cmp(x, y) == INT2FIX(0)) return Qtrue;
+ return Qfalse;
}
static VALUE
-big_uminus(x)
+rb_big_uminus(x)
VALUE x;
{
- VALUE z = big_clone(x);
+ VALUE z = rb_big_clone(x);
RBIGNUM(z)->sign = !RBIGNUM(x)->sign;
@@ -485,16 +485,16 @@ big_uminus(x)
}
static VALUE
-big_neg(x)
+rb_big_neg(x)
VALUE x;
{
- VALUE z = big_clone(x);
+ VALUE z = rb_big_clone(x);
unsigned int i = RBIGNUM(x)->len;
USHORT *ds = BDIGITS(z);
- if (!RBIGNUM(x)->sign) big_2comp(z);
+ if (!RBIGNUM(x)->sign) rb_big_2comp(z);
while (i--) ds[i] = ~ds[i];
- if (RBIGNUM(x)->sign) big_2comp(z);
+ if (RBIGNUM(x)->sign) rb_big_2comp(z);
RBIGNUM(z)->sign = !RBIGNUM(z)->sign;
return bignorm(z);
@@ -557,22 +557,11 @@ bigadd(x, y, sign)
long num;
unsigned int i, len;
- if (RBIGNUM(x)->sign == (RBIGNUM(y)->sign ^ sign)) {
- if (RBIGNUM(y)->sign == sign) return bigsub(y, x);
+ sign = (sign == RBIGNUM(y)->sign);
+ if (RBIGNUM(x)->sign != sign) {
+ if (sign) return bigsub(y, x);
return bigsub(x, y);
}
- else if (sign == 0) {
- /* x - y */
- if ((RBIGNUM(x)->sign == 0) && (RBIGNUM(y)->sign == 1)) {
- /* x is negative and y is positive. */
- /* return -(abs(x) + y) */
- VALUE ret;
- RBIGNUM(x)->sign = 1; /* x = abs(x) */
- ret = bigadd(x, y, 1); /* ret = x + y (recursive call) */
- RBIGNUM(ret)->sign = 0; /* ret = -ret */
- return ret;
- }
- }
if (RBIGNUM(x)->len > RBIGNUM(y)->len) {
len = RBIGNUM(x)->len + 1;
@@ -581,7 +570,7 @@ bigadd(x, y, sign)
else {
len = RBIGNUM(y)->len + 1;
}
- z = bignew(len, sign==RBIGNUM(y)->sign);
+ z = bignew(len, sign);
len = RBIGNUM(x)->len;
for (i = 0, num = 0; i < len; i++) {
@@ -605,45 +594,45 @@ bigadd(x, y, sign)
}
VALUE
-big_plus(x, y)
+rb_big_plus(x, y)
VALUE x, y;
{
switch (TYPE(y)) {
case T_FIXNUM:
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
/* fall through */
case T_BIGNUM:
return bigadd(x, y, 1);
case T_FLOAT:
- return float_new(big2dbl(x) + RFLOAT(y)->value);
+ return rb_float_new(rb_big2dbl(x) + RFLOAT(y)->value);
default:
- return num_coerce_bin(x, y);
+ return rb_num_coerce_bin(x, y);
}
}
VALUE
-big_minus(x, y)
+rb_big_minus(x, y)
VALUE x, y;
{
switch (TYPE(y)) {
case T_FIXNUM:
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
/* fall through */
case T_BIGNUM:
return bigadd(x, y, 0);
case T_FLOAT:
- return float_new(big2dbl(x) - RFLOAT(y)->value);
+ return rb_float_new(rb_big2dbl(x) - RFLOAT(y)->value);
default:
- return num_coerce_bin(x, y);
+ return rb_num_coerce_bin(x, y);
}
}
VALUE
-big_mul(x, y)
+rb_big_mul(x, y)
VALUE x, y;
{
unsigned int i = 0, j;
@@ -651,20 +640,20 @@ big_mul(x, y)
VALUE z;
USHORT *zds;
- if (FIXNUM_P(x)) x = int2big(FIX2LONG(x));
+ if (FIXNUM_P(x)) x = rb_int2big(FIX2LONG(x));
switch (TYPE(y)) {
case T_FIXNUM:
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
break;
case T_BIGNUM:
break;
case T_FLOAT:
- return float_new(big2dbl(x) * RFLOAT(y)->value);
+ return rb_float_new(rb_big2dbl(x) * RFLOAT(y)->value);
default:
- return num_coerce_bin(x, y);
+ return rb_num_coerce_bin(x, y);
}
j = RBIGNUM(x)->len + RBIGNUM(y)->len + 1;
@@ -703,7 +692,7 @@ bigdivmod(x, y, div, mod, modulo)
USHORT dd, q;
yds = BDIGITS(y);
- if (ny == 0 && yds[0] == 0) num_zerodiv();
+ if (ny == 0 && yds[0] == 0) rb_num_zerodiv();
if (nx < ny || nx == ny && BDIGITS(x)[nx - 1] < BDIGITS(y)[ny - 1]) {
if (div) *div = INT2FIX(0);
if (mod) *mod = bignorm(x);
@@ -712,7 +701,7 @@ bigdivmod(x, y, div, mod, modulo)
xds = BDIGITS(x);
if (ny == 1) {
dd = yds[0];
- z = big_clone(x);
+ z = rb_big_clone(x);
zds = BDIGITS(z);
t2 = 0; i = nx;
while (i--) {
@@ -732,7 +721,7 @@ bigdivmod(x, y, div, mod, modulo)
if (nx==ny) zds[nx+1] = 0;
while (!yds[ny-1]) ny--;
if ((dd = BIGRAD/(int)(yds[ny-1]+1)) != 1) {
- yy = big_clone(y);
+ yy = rb_big_clone(y);
tds = BDIGITS(yy);
j = 0;
num = 0;
@@ -786,7 +775,7 @@ bigdivmod(x, y, div, mod, modulo)
zds[j] = q;
} while (--j >= ny);
if (div) { /* move quotient down in z */
- *div = big_clone(z);
+ *div = rb_big_clone(z);
zds = BDIGITS(*div);
j = (nx==ny ? nx+2 : nx+1) - ny;
for (i = 0;i < j;i++) zds[i] = zds[i+ny];
@@ -794,7 +783,7 @@ bigdivmod(x, y, div, mod, modulo)
*div = bignorm(*div);
}
if (mod) { /* just normalize remainder */
- *mod = big_clone(z);
+ *mod = rb_big_clone(z);
if (dd) {
zds = BDIGITS(*mod);
t2 = 0; i = ny;
@@ -820,24 +809,24 @@ bigdivmod(x, y, div, mod, modulo)
}
static VALUE
-big_div(x, y)
+rb_big_div(x, y)
VALUE x, y;
{
VALUE z;
switch (TYPE(y)) {
case T_FIXNUM:
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
break;
case T_BIGNUM:
break;
case T_FLOAT:
- return float_new(big2dbl(x) / RFLOAT(y)->value);
+ return rb_float_new(rb_big2dbl(x) / RFLOAT(y)->value);
default:
- return num_coerce_bin(x, y);
+ return rb_num_coerce_bin(x, y);
}
bigdivmod(x, y, &z, 0, 0);
@@ -846,7 +835,7 @@ big_div(x, y)
static VALUE
-big_modulo(x, y, modulo)
+rb_big_modulo(x, y, modulo)
VALUE x, y;
int modulo;
{
@@ -854,18 +843,18 @@ big_modulo(x, y, modulo)
switch (TYPE(y)) {
case T_FIXNUM:
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
break;
case T_BIGNUM:
break;
case T_FLOAT:
- y = dbl2big(RFLOAT(y)->value);
+ y = rb_dbl2big(RFLOAT(y)->value);
break;
default:
- return num_coerce_bin(x, y);
+ return rb_num_coerce_bin(x, y);
}
bigdivmod(x, y, 0, &z, modulo);
@@ -873,47 +862,47 @@ big_modulo(x, y, modulo)
}
static VALUE
-big_mod(x, y)
+rb_big_mod(x, y)
VALUE x, y;
{
- return big_modulo(x, y, 1);
+ return rb_big_modulo(x, y, 1);
}
static VALUE
-big_remainder(x, y)
+rb_big_remainder(x, y)
VALUE x, y;
{
- return big_modulo(x, y, 0);
+ return rb_big_modulo(x, y, 0);
}
static VALUE
-big_divmod(x, y)
+rb_big_divmod(x, y)
VALUE x, y;
{
VALUE div, mod;
switch (TYPE(y)) {
case T_FIXNUM:
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
break;
case T_FLOAT:
- y = dbl2big(RFLOAT(y)->value);
+ y = rb_dbl2big(RFLOAT(y)->value);
break;
case T_BIGNUM:
break;
default:
- return num_coerce_bin(x, y);
+ return rb_num_coerce_bin(x, y);
}
bigdivmod(x, y, &div, &mod, 1);
- return assoc_new(div, mod);;
+ return rb_assoc_new(div, mod);;
}
VALUE
-big_pow(x, y)
+rb_big_pow(x, y)
VALUE x, y;
{
double d;
@@ -926,8 +915,8 @@ big_pow(x, y)
break;
case T_BIGNUM:
- Warn("in a**b, b may be too big");
- d = big2dbl(y);
+ rb_warn("in a**b, b may be too big");
+ d = rb_big2dbl(y);
break;
case T_FIXNUM:
@@ -941,9 +930,9 @@ big_pow(x, y)
if (yy == 0) break;
while (yy % 2 == 0) {
yy = yy / 2;
- x = big_mul(x, x);
+ x = rb_big_mul(x, x);
}
- z = big_mul(z, x);
+ z = rb_big_mul(z, x);
}
return z;
}
@@ -951,13 +940,13 @@ big_pow(x, y)
break;
default:
- return num_coerce_bin(x, y);
+ return rb_num_coerce_bin(x, y);
}
- return float_new(pow(big2dbl(x), d));
+ return rb_float_new(pow(rb_big2dbl(x), d));
}
VALUE
-big_and(x, y)
+rb_big_and(x, y)
VALUE x, y;
{
VALUE z;
@@ -966,19 +955,19 @@ big_and(x, y)
char sign;
if (FIXNUM_P(y)) {
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
}
else {
Check_Type(y, T_BIGNUM);
}
if (!RBIGNUM(y)->sign) {
- y = big_clone(y);
- big_2comp(y);
+ y = rb_big_clone(y);
+ rb_big_2comp(y);
}
if (!RBIGNUM(x)->sign) {
- x = big_clone(x);
- big_2comp(x);
+ x = rb_big_clone(x);
+ rb_big_2comp(x);
}
if (RBIGNUM(x)->len > RBIGNUM(y)->len) {
l1 = RBIGNUM(y)->len;
@@ -1003,12 +992,12 @@ big_and(x, y)
for (; i<l2; i++) {
zds[i] = sign?0:ds2[i];
}
- if (!RBIGNUM(z)->sign) big_2comp(z);
+ if (!RBIGNUM(z)->sign) rb_big_2comp(z);
return bignorm(z);
}
VALUE
-big_or(x, y)
+rb_big_or(x, y)
VALUE x, y;
{
VALUE z;
@@ -1017,19 +1006,19 @@ big_or(x, y)
char sign;
if (FIXNUM_P(y)) {
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
}
else {
Check_Type(y, T_BIGNUM);
}
if (!RBIGNUM(y)->sign) {
- y = big_clone(y);
- big_2comp(y);
+ y = rb_big_clone(y);
+ rb_big_2comp(y);
}
if (!RBIGNUM(x)->sign) {
- x = big_clone(x);
- big_2comp(x);
+ x = rb_big_clone(x);
+ rb_big_2comp(x);
}
if (RBIGNUM(x)->len > RBIGNUM(y)->len) {
l1 = RBIGNUM(y)->len;
@@ -1054,13 +1043,13 @@ big_or(x, y)
for (; i<l2; i++) {
zds[i] = sign?ds2[i]:(BIGRAD-1);
}
- if (!RBIGNUM(z)->sign) big_2comp(z);
+ if (!RBIGNUM(z)->sign) rb_big_2comp(z);
return bignorm(z);
}
VALUE
-big_xor(x, y)
+rb_big_xor(x, y)
VALUE x, y;
{
VALUE z;
@@ -1069,19 +1058,19 @@ big_xor(x, y)
char sign;
if (FIXNUM_P(y)) {
- y = int2big(FIX2LONG(y));
+ y = rb_int2big(FIX2LONG(y));
}
else {
Check_Type(y, T_BIGNUM);
}
if (!RBIGNUM(y)->sign) {
- y = big_clone(y);
- big_2comp(y);
+ y = rb_big_clone(y);
+ rb_big_2comp(y);
}
if (!RBIGNUM(x)->sign) {
- x = big_clone(x);
- big_2comp(x);
+ x = rb_big_clone(x);
+ rb_big_2comp(x);
}
if (RBIGNUM(x)->len > RBIGNUM(y)->len) {
l1 = RBIGNUM(y)->len;
@@ -1108,15 +1097,15 @@ big_xor(x, y)
for (; i<l2; i++) {
zds[i] = sign?ds2[i]:~ds2[i];
}
- if (!RBIGNUM(z)->sign) big_2comp(z);
+ if (!RBIGNUM(z)->sign) rb_big_2comp(z);
return bignorm(z);
}
-static VALUE big_rshift _((VALUE,VALUE));
+static VALUE rb_big_rshift _((VALUE,VALUE));
VALUE
-big_lshift(x, y)
+rb_big_lshift(x, y)
VALUE x, y;
{
USHORT *xds, *zds;
@@ -1127,7 +1116,7 @@ big_lshift(x, y)
unsigned long num = 0;
unsigned int len, i;
- if (shift < 0) return big_rshift(x, INT2FIX(-shift));
+ if (shift < 0) return rb_big_rshift(x, INT2FIX(-shift));
xds = BDIGITS(x);
len = RBIGNUM(x)->len;
z = bignew(len+s1+1, RBIGNUM(x)->sign);
@@ -1145,7 +1134,7 @@ big_lshift(x, y)
}
static VALUE
-big_rshift(x, y)
+rb_big_rshift(x, y)
VALUE x, y;
{
USHORT *xds, *zds;
@@ -1157,7 +1146,7 @@ big_rshift(x, y)
unsigned int i = RBIGNUM(x)->len;
unsigned int j;
- if (shift < 0) return big_lshift(x, INT2FIX(-shift));
+ if (shift < 0) return rb_big_lshift(x, INT2FIX(-shift));
if (s1 > RBIGNUM(x)->len) {
if (RBIGNUM(x)->sign)
return INT2FIX(0);
@@ -1177,7 +1166,7 @@ big_rshift(x, y)
}
static VALUE
-big_aref(x, y)
+rb_big_aref(x, y)
VALUE x, y;
{
USHORT *xds;
@@ -1190,8 +1179,8 @@ big_aref(x, y)
if (!RBIGNUM(x)->sign) {
if (s1 >= RBIGNUM(x)->len) return INT2FIX(1);
- x = big_clone(x);
- big_2comp(x);
+ x = rb_big_clone(x);
+ rb_big_2comp(x);
}
else {
if (s1 >= RBIGNUM(x)->len) return INT2FIX(0);
@@ -1203,7 +1192,7 @@ big_aref(x, y)
}
static VALUE
-big_hash(x)
+rb_big_hash(x)
VALUE x;
{
int i, len, key;
@@ -1217,24 +1206,25 @@ big_hash(x)
}
static VALUE
-big_coerce(x, y)
+rb_big_coerce(x, y)
VALUE x, y;
{
if (FIXNUM_P(y)) {
- return assoc_new(int2big(FIX2LONG(y)), x);
+ return rb_assoc_new(rb_int2big(FIX2LONG(y)), x);
}
else {
- TypeError("can't coerce %s to Bignum", rb_class2name(CLASS_OF(y)));
+ rb_raise(rb_eTypeError, "can't coerce %s to Bignum",
+ rb_class2name(CLASS_OF(y)));
}
/* not reached */
}
static VALUE
-big_abs(x)
+rb_big_abs(x)
VALUE x;
{
if (!RBIGNUM(x)->sign) {
- x = big_clone(x);
+ x = rb_big_clone(x);
RBIGNUM(x)->sign = 1;
}
return x;
@@ -1245,7 +1235,7 @@ big_abs(x)
*/
VALUE
-big_rand(max)
+rb_big_rand(max)
VALUE max;
{
struct RBignum *v;
@@ -1261,56 +1251,56 @@ big_rand(max)
#endif
}
- return big_mod(v, max);
+ return rb_big_mod((VALUE)v, max);
}
static VALUE
-big_size(big)
+rb_big_size(big)
VALUE big;
{
return INT2FIX(RBIGNUM(big)->len*sizeof(USHORT));
}
static VALUE
-big_zero_p(big)
+rb_big_zero_p(big)
VALUE big;
{
- return FALSE;
+ return Qfalse;
}
void
Init_Bignum()
{
- cBignum = rb_define_class("Bignum", cInteger);
-
- rb_undef_method(CLASS_OF(cBignum), "new");
-
- rb_define_method(cBignum, "to_s", big_to_s, 0);
- rb_define_method(cBignum, "coerce", big_coerce, 1);
- rb_define_method(cBignum, "-@", big_uminus, 0);
- rb_define_method(cBignum, "+", big_plus, 1);
- rb_define_method(cBignum, "-", big_minus, 1);
- rb_define_method(cBignum, "*", big_mul, 1);
- rb_define_method(cBignum, "/", big_div, 1);
- rb_define_method(cBignum, "%", big_mod, 1);
- rb_define_method(cBignum, "divmod", big_divmod, 1);
- rb_define_method(cBignum, "remainder", big_remainder, 1);
- rb_define_method(cBignum, "**", big_pow, 1);
- rb_define_method(cBignum, "&", big_and, 1);
- rb_define_method(cBignum, "|", big_or, 1);
- rb_define_method(cBignum, "^", big_xor, 1);
- rb_define_method(cBignum, "~", big_neg, 0);
- rb_define_method(cBignum, "<<", big_lshift, 1);
- rb_define_method(cBignum, ">>", big_rshift, 1);
- rb_define_method(cBignum, "[]", big_aref, 1);
-
- rb_define_method(cBignum, "<=>", big_cmp, 1);
- rb_define_method(cBignum, "==", big_eq, 1);
- rb_define_method(cBignum, "eql?", big_eq, 1);
- rb_define_method(cBignum, "hash", big_hash, 0);
- rb_define_method(cBignum, "to_i", big_to_i, 0);
- rb_define_method(cBignum, "to_f", big_to_f, 0);
- rb_define_method(cBignum, "abs", big_abs, 0);
- rb_define_method(cBignum, "size", big_size, 0);
- rb_define_method(cBignum, "zero?", big_zero_p, 0);
+ rb_cBignum = rb_define_class("Bignum", rb_cInteger);
+
+ rb_undef_method(CLASS_OF(rb_cBignum), "new");
+
+ rb_define_method(rb_cBignum, "to_s", rb_big_to_s, 0);
+ rb_define_method(rb_cBignum, "coerce", rb_big_coerce, 1);
+ rb_define_method(rb_cBignum, "-@", rb_big_uminus, 0);
+ rb_define_method(rb_cBignum, "+", rb_big_plus, 1);
+ rb_define_method(rb_cBignum, "-", rb_big_minus, 1);
+ rb_define_method(rb_cBignum, "*", rb_big_mul, 1);
+ rb_define_method(rb_cBignum, "/", rb_big_div, 1);
+ rb_define_method(rb_cBignum, "%", rb_big_mod, 1);
+ rb_define_method(rb_cBignum, "divmod", rb_big_divmod, 1);
+ rb_define_method(rb_cBignum, "remainder", rb_big_remainder, 1);
+ rb_define_method(rb_cBignum, "**", rb_big_pow, 1);
+ rb_define_method(rb_cBignum, "&", rb_big_and, 1);
+ rb_define_method(rb_cBignum, "|", rb_big_or, 1);
+ rb_define_method(rb_cBignum, "^", rb_big_xor, 1);
+ rb_define_method(rb_cBignum, "~", rb_big_neg, 0);
+ rb_define_method(rb_cBignum, "<<", rb_big_lshift, 1);
+ rb_define_method(rb_cBignum, ">>", rb_big_rshift, 1);
+ rb_define_method(rb_cBignum, "[]", rb_big_aref, 1);
+
+ rb_define_method(rb_cBignum, "<=>", rb_big_cmp, 1);
+ rb_define_method(rb_cBignum, "==", rb_big_eq, 1);
+ rb_define_method(rb_cBignum, "eql?", rb_big_eq, 1);
+ rb_define_method(rb_cBignum, "hash", rb_big_hash, 0);
+ rb_define_method(rb_cBignum, "to_i", rb_big_to_i, 0);
+ rb_define_method(rb_cBignum, "to_f", rb_big_to_f, 0);
+ rb_define_method(rb_cBignum, "abs", rb_big_abs, 0);
+ rb_define_method(rb_cBignum, "size", rb_big_size, 0);
+ rb_define_method(rb_cBignum, "zero?", rb_big_zero_p, 0);
}