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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-08 06:00:04 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-08 06:00:04 +0000 |
commit | 0056591f50502c58616f3ea5249e92a174ab86c6 (patch) | |
tree | 59a61fc85117795830079293353fdc2967596636 /random.c | |
parent | 4d6ac81117360a3b11f6a950ae1776a24bc49bcc (diff) | |
download | ruby-0056591f50502c58616f3ea5249e92a174ab86c6.tar.gz |
* internal.h (INTEGER_PACK_FORCE_BIGNUM): New flag constant.
* bignum.c (rb_integer_unpack): Support INTEGER_PACK_FORCE_BIGNUM.
* random.c (int_pair_to_real_inclusive): Use
INTEGER_PACK_FORCE_BIGNUM to use rb_big_mul instead of rb_funcall.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41165 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'random.c')
-rw-r--r-- | random.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -285,15 +285,17 @@ int_pair_to_real_inclusive(uint32_t a, uint32_t b) xary[0] = a; xary[1] = b; x = rb_integer_unpack(+1, xary, 2, sizeof(uint32_t), 0, - INTEGER_PACK_MSWORD_FIRST|INTEGER_PACK_NATIVE_BYTE_ORDER); + INTEGER_PACK_MSWORD_FIRST|INTEGER_PACK_NATIVE_BYTE_ORDER| + INTEGER_PACK_FORCE_BIGNUM); /* (1 << 53) | 1 */ mary[0] = 0x00200000; mary[1] = 0x00000001; m = rb_integer_unpack(+1, mary, 2, sizeof(uint32_t), 0, - INTEGER_PACK_MSWORD_FIRST|INTEGER_PACK_NATIVE_BYTE_ORDER); + INTEGER_PACK_MSWORD_FIRST|INTEGER_PACK_NATIVE_BYTE_ORDER| + INTEGER_PACK_FORCE_BIGNUM); - x = rb_funcall(x, '*', 1, m); + x = rb_big_mul(x, m); if (FIXNUM_P(x)) { #if CHAR_BIT * SIZEOF_LONG > 64 r = (double)(FIX2ULONG(x) >> 64); |