summaryrefslogtreecommitdiff
path: root/bignum.c
diff options
context:
space:
mode:
authorakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-08-31 18:34:42 +0000
committerakr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-08-31 18:34:42 +0000
commit8bd7af6794007dab448d71b78a13f0c1625858e9 (patch)
treef3e5073eb0f6985e9a57bb5c829722b743fbe6e4 /bignum.c
parent4ac5f5710ea3628f166bce27f363c6a42bc6ba39 (diff)
* bignum.c (bit_length): Renamed from bitsize.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42749 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r--bignum.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/bignum.c b/bignum.c
index 75e0623de2..0545d5baac 100644
--- a/bignum.c
+++ b/bignum.c
@@ -274,18 +274,18 @@ static int nlz(BDIGIT x) { return nlz_int128((uint128_t)x) - (SIZEOF_INT128_T-SI
#endif
#if defined(HAVE_UINT128_T)
-# define bitsize(x) \
+# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int(x) : \
sizeof(x) <= SIZEOF_LONG ? SIZEOF_LONG * CHAR_BIT - nlz_long(x) : \
sizeof(x) <= SIZEOF_LONG_LONG ? SIZEOF_LONG_LONG * CHAR_BIT - nlz_long_long(x) : \
SIZEOF_INT128_T * CHAR_BIT - nlz_int128(x))
#elif defined(HAVE_LONG_LONG)
-# define bitsize(x) \
+# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int(x) : \
sizeof(x) <= SIZEOF_LONG ? SIZEOF_LONG * CHAR_BIT - nlz_long(x) : \
SIZEOF_LONG_LONG * CHAR_BIT - nlz_long_long(x))
#else
-# define bitsize(x) \
+# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int(x) : \
SIZEOF_LONG * CHAR_BIT - nlz_long(x))
#endif
@@ -2553,7 +2553,7 @@ bary_mul_precheck(BDIGIT **zdsp, size_t *znp, const BDIGIT **xdsp, size_t *xnp,
return 1;
}
if (POW2_P(xds[0])) {
- zds[yn] = bary_small_lshift(zds, yds, yn, bitsize(xds[0])-1);
+ zds[yn] = bary_small_lshift(zds, yds, yn, bit_length(xds[0])-1);
BDIGITS_ZERO(zds+yn+1, zn-yn-1);
return 1;
}
@@ -2727,7 +2727,7 @@ bigdivrem_single1(BDIGIT *qds, const BDIGIT *xds, size_t xn, BDIGIT x_higher_bdi
if (POW2_P(y)) {
BDIGIT r;
r = xds[0] & (y-1);
- bary_small_rshift(qds, xds, xn, bitsize(y)-1, x_higher_bdigit);
+ bary_small_rshift(qds, xds, xn, bit_length(y)-1, x_higher_bdigit);
return r;
}
else {
@@ -3831,7 +3831,7 @@ rb_cstr_to_inum(const char *str, int base, int badcheck)
return INT2FIX(0);
}
- bits_per_digit = bitsize(base-1);
+ bits_per_digit = bit_length(base-1);
if (bits_per_digit * strlen(str) <= sizeof(long) * CHAR_BIT) {
char *end;
unsigned long val = STRTOUL(str, &end, base);
@@ -4200,8 +4200,8 @@ big_shift2(VALUE x, int lshift_p, VALUE y)
return RBIGNUM_POSITIVE_P(x) ? INT2FIX(0) : INT2FIX(-1);
}
shift_numbits = (int)(lens[0] & (BITSPERDIG-1));
- shift_numdigits = (lens[0] >> bitsize(BITSPERDIG-1)) |
- (lens[1] << (CHAR_BIT*SIZEOF_SIZE_T - bitsize(BITSPERDIG-1)));
+ shift_numdigits = (lens[0] >> bit_length(BITSPERDIG-1)) |
+ (lens[1] << (CHAR_BIT*SIZEOF_SIZE_T - bit_length(BITSPERDIG-1)));
return big_shift3(x, lshift_p, shift_numdigits, shift_numbits);
}
@@ -6472,7 +6472,7 @@ rb_big_lshift(VALUE x, VALUE y)
shift = 1+(unsigned long)(-(l+1));
}
shift_numbits = (int)(shift & (BITSPERDIG-1));
- shift_numdigits = shift >> bitsize(BITSPERDIG-1);
+ shift_numdigits = shift >> bit_length(BITSPERDIG-1);
return bignorm(big_shift3(x, lshift_p, shift_numdigits, shift_numbits));
}
else if (RB_TYPE_P(y, T_BIGNUM)) {
@@ -6510,7 +6510,7 @@ rb_big_rshift(VALUE x, VALUE y)
shift = 1+(unsigned long)(-(l+1));
}
shift_numbits = (int)(shift & (BITSPERDIG-1));
- shift_numdigits = shift >> bitsize(BITSPERDIG-1);
+ shift_numdigits = shift >> bit_length(BITSPERDIG-1);
return bignorm(big_shift3(x, lshift_p, shift_numdigits, shift_numbits));
}
else if (RB_TYPE_P(y, T_BIGNUM)) {
@@ -6764,7 +6764,7 @@ rb_fix_bit_length(VALUE fix)
long v = FIX2LONG(fix);
if (v < 0)
v = ~v;
- return LONG2FIX(bitsize(v));
+ return LONG2FIX(bit_length(v));
}
/*