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* internal.h (INTEGER_PACK_2COMP): Defined.

Browse source 
(rb_integer_pack_2comp): Removed.

* bignum.c (bary_pack): Support INTEGER_PACK_2COMP.
  (rb_integer_pack): Invoke bary_pack directly.
  (rb_integer_pack_2comp): Removed.
  (rb_integer_pack_internal): Ditto.
  (absint_numwords_generic): Follow the above change.

* pack.c (pack_pack): Ditto.

* sprintf.c (rb_str_format): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41336 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2013-06-16 09:53:45 +00:00
parent fc3fbc143c
commit ecabbf1bf6
7 changed files with 160 additions and 168 deletions
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61
test/-ext-/bignum/test_pack.rb
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@ -11,6 +11,7 @@ class TestBignum < Test::Unit::TestCase
MSBYTE_FIRST = Integer::INTEGER_PACK_MSBYTE_FIRST
LSBYTE_FIRST = Integer::INTEGER_PACK_LSBYTE_FIRST
NATIVE_BYTE_ORDER = Integer::INTEGER_PACK_NATIVE_BYTE_ORDER
TWOCOMP = Integer::INTEGER_PACK_2COMP
LITTLE_ENDIAN = Integer::INTEGER_PACK_LITTLE_ENDIAN
BIG_ENDIAN = Integer::INTEGER_PACK_BIG_ENDIAN
NEGATIVE = Integer::INTEGER_PACK_NEGATIVE
@ -74,47 +75,47 @@ class TestBignum < Test::Unit::TestCase
end
def test_pack2comp_zero
assert_equal([0, ""], 0.test_pack_2comp(0, 1, 0, BIG_ENDIAN))
assert_equal([0, ""], 0.test_pack(0, 1, 0, TWOCOMP|BIG_ENDIAN))
end
def test_pack2comp_emptybuf
assert_equal([-2, ""], (-3).test_pack_2comp(0, 1, 0, BIG_ENDIAN))
assert_equal([-2, ""], (-2).test_pack_2comp(0, 1, 0, BIG_ENDIAN))
assert_equal([-1, ""], (-1).test_pack_2comp(0, 1, 0, BIG_ENDIAN))
assert_equal([ 0, ""], 0.test_pack_2comp(0, 1, 0, BIG_ENDIAN))
assert_equal([+2, ""], 1.test_pack_2comp(0, 1, 0, BIG_ENDIAN))
assert_equal([+2, ""], 2.test_pack_2comp(0, 1, 0, BIG_ENDIAN))
assert_equal([-2, ""], (-3).test_pack(0, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([-2, ""], (-2).test_pack(0, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([-1, ""], (-1).test_pack(0, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([ 0, ""], 0.test_pack(0, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+2, ""], 1.test_pack(0, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+2, ""], 2.test_pack(0, 1, 0, TWOCOMP|BIG_ENDIAN))
end
def test_pack2comp_nearly_zero
assert_equal([-1, "\xFE"], (-2).test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([-1, "\xFF"], (-1).test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([ 0, "\x00"], 0.test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([+1, "\x01"], 1.test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([+1, "\x02"], 2.test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([-1, "\xFE"], (-2).test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([-1, "\xFF"], (-1).test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([ 0, "\x00"], 0.test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+1, "\x01"], 1.test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+1, "\x02"], 2.test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
end
def test_pack2comp_overflow
assert_equal([-2, "\xF"], (-0x11).test_pack_2comp(1, 1, 4, BIG_ENDIAN))
assert_equal([-1, "\x0"], (-0x10).test_pack_2comp(1, 1, 4, BIG_ENDIAN))
assert_equal([-1, "\x1"], (-0x0F).test_pack_2comp(1, 1, 4, BIG_ENDIAN))
assert_equal([+1, "\xF"], (+0x0F).test_pack_2comp(1, 1, 4, BIG_ENDIAN))
assert_equal([+2, "\x0"], (+0x10).test_pack_2comp(1, 1, 4, BIG_ENDIAN))
assert_equal([+2, "\x1"], (+0x11).test_pack_2comp(1, 1, 4, BIG_ENDIAN))
assert_equal([-2, "\xF"], (-0x11).test_pack(1, 1, 4, TWOCOMP|BIG_ENDIAN))
assert_equal([-1, "\x0"], (-0x10).test_pack(1, 1, 4, TWOCOMP|BIG_ENDIAN))
assert_equal([-1, "\x1"], (-0x0F).test_pack(1, 1, 4, TWOCOMP|BIG_ENDIAN))
assert_equal([+1, "\xF"], (+0x0F).test_pack(1, 1, 4, TWOCOMP|BIG_ENDIAN))
assert_equal([+2, "\x0"], (+0x10).test_pack(1, 1, 4, TWOCOMP|BIG_ENDIAN))
assert_equal([+2, "\x1"], (+0x11).test_pack(1, 1, 4, TWOCOMP|BIG_ENDIAN))
assert_equal([-2, "\xFF"], (-0x101).test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([-1, "\x00"], (-0x100).test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([-1, "\x01"], (-0x0FF).test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([+1, "\xFF"], (+0x0FF).test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([+2, "\x00"], (+0x100).test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([+2, "\x01"], (+0x101).test_pack_2comp(1, 1, 0, BIG_ENDIAN))
assert_equal([-2, "\xFF"], (-0x101).test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([-1, "\x00"], (-0x100).test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([-1, "\x01"], (-0x0FF).test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+1, "\xFF"], (+0x0FF).test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+2, "\x00"], (+0x100).test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+2, "\x01"], (+0x101).test_pack(1, 1, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([-2, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"], (-0x10000000000000001).test_pack_2comp(2, 4, 0, BIG_ENDIAN))
assert_equal([-1, "\x00\x00\x00\x00\x00\x00\x00\x00"], (-0x10000000000000000).test_pack_2comp(2, 4, 0, BIG_ENDIAN))
assert_equal([-1, "\x00\x00\x00\x00\x00\x00\x00\x01"], (-0x0FFFFFFFFFFFFFFFF).test_pack_2comp(2, 4, 0, BIG_ENDIAN))
assert_equal([+1, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"], (+0x0FFFFFFFFFFFFFFFF).test_pack_2comp(2, 4, 0, BIG_ENDIAN))
assert_equal([+2, "\x00\x00\x00\x00\x00\x00\x00\x00"], (+0x10000000000000000).test_pack_2comp(2, 4, 0, BIG_ENDIAN))
assert_equal([+2, "\x00\x00\x00\x00\x00\x00\x00\x01"], (+0x10000000000000001).test_pack_2comp(2, 4, 0, BIG_ENDIAN))
assert_equal([-2, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"], (-0x10000000000000001).test_pack(2, 4, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([-1, "\x00\x00\x00\x00\x00\x00\x00\x00"], (-0x10000000000000000).test_pack(2, 4, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([-1, "\x00\x00\x00\x00\x00\x00\x00\x01"], (-0x0FFFFFFFFFFFFFFFF).test_pack(2, 4, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+1, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"], (+0x0FFFFFFFFFFFFFFFF).test_pack(2, 4, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+2, "\x00\x00\x00\x00\x00\x00\x00\x00"], (+0x10000000000000000).test_pack(2, 4, 0, TWOCOMP|BIG_ENDIAN))
assert_equal([+2, "\x00\x00\x00\x00\x00\x00\x00\x01"], (+0x10000000000000001).test_pack(2, 4, 0, TWOCOMP|BIG_ENDIAN))
end
def test_unpack_zero