diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-05-26 02:19:33 +0000 |
---|---|---|
committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-05-26 02:19:33 +0000 |
commit | 0acedf8066b7a4654fd9a5e45260a1bc66421f43 (patch) | |
tree | ef72c2ca10d385236c2bc22c9061991221e16741 /bignum.c | |
parent | 120d1b493b6b28ba763316eac5d0d3ccac9a1161 (diff) | |
download | ruby-0acedf8066b7a4654fd9a5e45260a1bc66421f43.tar.gz |
* bignum.c (bignew_1): inline memory allocation.
* bignum.c (bigtrunc): call rb_big_resize() only when needed.
* bignum.c (bigfixize): declare inline.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23574 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r-- | bignum.c | 18 |
1 files changed, 12 insertions, 6 deletions
@@ -132,7 +132,8 @@ bignew_1(VALUE klass, long len, int sign) RBIGNUM_SET_LEN(big, len); } else { - rb_big_resize((VALUE)big, len); + RBIGNUM(big)->as.heap.digits = ALLOC_N(BDIGIT, len); + RBIGNUM(big)->as.heap.len = len; } return (VALUE)big; @@ -186,11 +187,13 @@ bigtrunc(VALUE x) if (len == 0) return x; while (--len && !ds[len]); - rb_big_resize(x, len+1); + if (RBIGNUM_LEN(x) > len+1) { + rb_big_resize(x, len+1); + } return x; } -static VALUE +static inline VALUE bigfixize(VALUE x) { long len = RBIGNUM_LEN(x); @@ -2392,7 +2395,8 @@ rb_big_fdiv(VALUE x, VALUE y) VALUE z; int ex, ey; - ex = (RBIGNUM_LEN(bigtrunc(x)) - 1) * BITSPERDIG; + bigtrunc(x); + ex = (RBIGNUM_LEN(x) - 1) * BITSPERDIG; ex += bdigbitsize(BDIGITS(x)[RBIGNUM_LEN(x) - 1]); ex -= 2 * DBL_BIGDIG * BITSPERDIG; if (ex) x = big_shift(x, ex); @@ -2401,7 +2405,8 @@ rb_big_fdiv(VALUE x, VALUE y) case T_FIXNUM: y = rb_int2big(FIX2LONG(y)); case T_BIGNUM: { - ey = (RBIGNUM_LEN(bigtrunc(y)) - 1) * BITSPERDIG; + bigtrunc(y); + ey = (RBIGNUM_LEN(y) - 1) * BITSPERDIG; ey += bdigbitsize(BDIGITS(y)[RBIGNUM_LEN(y) - 1]); ey -= DBL_BIGDIG * BITSPERDIG; if (ey) y = big_shift(y, ey); @@ -2875,7 +2880,8 @@ rb_big_aref(VALUE x, VALUE y) if (TYPE(y) == T_BIGNUM) { if (!RBIGNUM_SIGN(y)) return INT2FIX(0); - if (RBIGNUM_LEN(bigtrunc(y)) > DIGSPERLONG) { + bigtrunc(y); + if (RBIGNUM_LEN(y) > DIGSPERLONG) { out_of_range: return RBIGNUM_SIGN(x) ? INT2FIX(0) : INT2FIX(1); } |