зеркало из https://github.com/github/ruby.git
* 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
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@ -2,6 +2,14 @@ Tue May 26 11:01:41 2009 TAKANO Mitsuhiro (takano32) <tak@no32.tk>
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* lib/mkmf.rb: use map! to replace strings in $objs array.
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Tue May 26 10:12:08 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
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* bignum.c (bignew_1): inline memory allocation.
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* bignum.c (bigtrunc): call rb_big_resize() only when needed.
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* bignum.c (bigfixize): declare inline.
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Tue May 26 05:39:28 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* include/ruby/ruby.h (FilePathValue): prevent from GC.
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18
bignum.c
18
bignum.c
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@ -132,7 +132,8 @@ bignew_1(VALUE klass, long len, int sign)
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RBIGNUM_SET_LEN(big, len);
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}
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else {
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rb_big_resize((VALUE)big, len);
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RBIGNUM(big)->as.heap.digits = ALLOC_N(BDIGIT, len);
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RBIGNUM(big)->as.heap.len = len;
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}
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return (VALUE)big;
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@ -186,11 +187,13 @@ bigtrunc(VALUE x)
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if (len == 0) return x;
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while (--len && !ds[len]);
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rb_big_resize(x, len+1);
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if (RBIGNUM_LEN(x) > len+1) {
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rb_big_resize(x, len+1);
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}
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return x;
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}
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static VALUE
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static inline VALUE
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bigfixize(VALUE x)
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{
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long len = RBIGNUM_LEN(x);
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@ -2392,7 +2395,8 @@ rb_big_fdiv(VALUE x, VALUE y)
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VALUE z;
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int ex, ey;
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ex = (RBIGNUM_LEN(bigtrunc(x)) - 1) * BITSPERDIG;
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bigtrunc(x);
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ex = (RBIGNUM_LEN(x) - 1) * BITSPERDIG;
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ex += bdigbitsize(BDIGITS(x)[RBIGNUM_LEN(x) - 1]);
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ex -= 2 * DBL_BIGDIG * BITSPERDIG;
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if (ex) x = big_shift(x, ex);
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@ -2401,7 +2405,8 @@ rb_big_fdiv(VALUE x, VALUE y)
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case T_FIXNUM:
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y = rb_int2big(FIX2LONG(y));
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case T_BIGNUM: {
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ey = (RBIGNUM_LEN(bigtrunc(y)) - 1) * BITSPERDIG;
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bigtrunc(y);
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ey = (RBIGNUM_LEN(y) - 1) * BITSPERDIG;
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ey += bdigbitsize(BDIGITS(y)[RBIGNUM_LEN(y) - 1]);
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ey -= DBL_BIGDIG * BITSPERDIG;
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if (ey) y = big_shift(y, ey);
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@ -2875,7 +2880,8 @@ rb_big_aref(VALUE x, VALUE y)
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if (TYPE(y) == T_BIGNUM) {
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if (!RBIGNUM_SIGN(y))
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return INT2FIX(0);
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if (RBIGNUM_LEN(bigtrunc(y)) > DIGSPERLONG) {
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bigtrunc(y);
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if (RBIGNUM_LEN(y) > DIGSPERLONG) {
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out_of_range:
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return RBIGNUM_SIGN(x) ? INT2FIX(0) : INT2FIX(1);
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}
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