the c standard template library p j plauger pdf
Standard Template Library
Ngày tải lên :
12/09/2012, 22:55
... specified type
Generic algorithms act on objects in
containers
Iterators provide access to objects in the
containers yet hide the internal structure of the
container
Slide 18- 17
Copyright ... container.
rp++ moves the reverse iterator rp towards the
end of the container.
reverse_iterator rp;
for(rp = c. rbegin( ); rp != c. rend( ); rp++)
process_item_at (rp);
Object c is a container ... provide the basic operations
Bidirectional iterators provide the basic
operations and the operators (pre- and
postfix) to move to the previous data item.
Random access iterators provide
The...
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The New C Standard- P8
Ngày tải lên :
17/10/2013, 19:15
... token), whether or not
E
is a
macro name.
Commentary
Standard C specifies a token-based preprocessor. The original K&R preprocessor specification could be
interpreted as a token-based or character-based ... group might include— The secretary put the paper clips in the
envelope”, while the other group would see a different sentence relating to secretaries and envelopes
The secretary licked the ... string matching problem is NP-complete,
[881]
limiting the
comparison to known conceptual units significantly reduces the computational cost of checking adherence.
Rev
792.4
A newly declared identifier...
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The New C Standard- P9
Ngày tải lên :
20/10/2013, 10:15
... issue.
C9 0
No such requirement was explicitly specified in the C9 0 Standard.
C
++
Like C9 0, there is no such requirement in the C
++
Standard.
Recommended practice
859
The implementation should produce ... 00A0 represent characters in the basic
source character set. The exceptions listed enumerate characters that are in the Ascii character set, but not
in the basic source character set. The ranges ... practice subjects performance not only improved but became digit-independent.
This is consistent with subjects recalling the answer from memory; the task had become automatic.
The practice group...
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The New C Standard- P10
Ngày tải lên :
20/10/2013, 10:15
... for objects. Its usage also specifies the type of the allocated object.
The C library is also included in the C
++
Standard, providing access to the
malloc
and
calloc
library
functions (which do ... statically,
10
*
the effective type of the object being copied here.
11
*
/
12 memcpy(new_obj _p, obj _p, obj_size);
13
14 return new_obj _p;
15 }
959
For all other accesses to an object having no declared type, ... attempt to work out which
June 24, 2009 v 1.2
6.5 Expressions
940
S1
she
vp
liked
np
the man
cl
that
vp
visited
np
the jeweler
cl
that
vp
made
np
the ring
cl
that
vp
won
np
the prize
cl
that
vp
wasgiv...
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The New C Standard- P11
Ngày tải lên :
24/10/2013, 08:15
... then
value
can be cast to type T).
Common Implementations
gcc
supports the casting of scalar types to union types. The scalar type must have the same type as one of the
members of the union type. The cast ... from the type of the operand.
Commentary
If an object appears as the operand, its declared type is used, not its effective type. The operand is also a
special case in that some implicit conversions ... object type), the type of the compound literal is that specified by
the type name.
Commentary
Presumably this is the declared type of the unnamed object initialized by the initializer list and therefore...
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The New C Standard- P12
Ngày tải lên :
24/10/2013, 08:15
... depend on whether the two pointers
have compatible types.
Given the declarations
const void
*
c_ vp;
void
*
vp;
const int
*
c_ ip;
volatile int
*
v_ip;
int
*
ip;
const char
*
c_ cp;
the third column ... && ptr-to 2.2
other-types && other-types 12.8 int && char 1.8
other-types || other-types 8.4 int || _long 1.7
ptr-to && int 4.5 int && _int 1.3
char && ... operand.
The C
++
Standard only supports an implicit conversion when the left operand has a pointer to
void
type,
4.1 0p2 .
1 char
*
pc;
2 void
*
pv;
3
4 void f(void)
5 {
6 pc=pv; /
*
does not affect the...
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The New C Standard- P13
Ngày tải lên :
28/10/2013, 15:15
... through the use of a cast operator (e.g.,
(const
long)1).
C
++
The C
++
Standard also associates properties of qualified types with rvalues (3.1 0p3 ). Such cases apply to
constructs that are C
++
speci c ... Several important
optimization techniques are based on the principle of “cacheing”: under certain circumstances the compiler
can remember the last value accessed (read or written) from a location, ... sizeof(struct T) }; /
*
sizeof a completed type.
*
/
In the second definition the closing
}
(the one before the
x
) completes the type and the
sizeof
operator can
be applied to the type.
1403
A...
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The New C Standard- P14
Ngày tải lên :
28/10/2013, 15:15
... how
the current object maps to the object being initialized. Some of this knowledge is encoded in the extensive
examples provided in the Standard.
C9 0
The concept of current object is new in C9 9.
C
++
The ... in C9 9.
C
++
The concept of current object is new in C9 9 and is not specified in the C
++
Standard. It is not needed
because the ordering of the initializer is specified (and the complications ... define the concept of compatible type, it requires types to be the same. If one
631 compati-
ble type
if
parameter type is an enumerated type and the corresponding parameter type is the corresponding...
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The New C Standard- P15
Ngày tải lên :
07/11/2013, 09:15
... will depend on what phase of its life cycle a program is in, the current commercial environment,
and technical factors such as the product development environment and the product testing procedures ... a
significant performance impact. The main techniques used by processor vendors to reduce the impact of
stalls are discussed in the following C sentences.
One of the design principles of RISC was ... instruction pipeline). Optimal performance requires that this pipeline be kept filled with
processor
pipeline
0
instructions. Jump statements (or rather the machine code generated to implement them)...
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The New C Standard- P16
Ngày tải lên :
07/11/2013, 09:15
... the non-placemarker preprocessing token.
Commentary
This specification handles the special case of an argument containing no preprocessing tokens.
1982 EXAMPLE
placemarker
C9 0
The concept of placemarker ... internally. The need for a placemarker preprocessing token
occurs because the ## operator does not cross replacement boundaries.
C9 0
The explicitly using the concept of a placemarker preprocessing ... handled specially: concatenation of two placemarkers results in
placemarker
preprocessor
a single placemarker preprocessing token, and concatenation of a placemarker with a non-placemarker
preprocessing...
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Ngày tải lên :
21/12/2013, 00:15
... qu c tế đã đặt ra
c c vấn đề b c x c của c c DNNN c n đư c giải quyết để c c DNNN ti p t c
g p phần th c đẩy đất nư c phát triển.
Yêu c u đặt ra đối với c c DNNN ta hiện nay là phải s p x p ... h p t c để c ng phát triển ngày c ng trở
thành đòi hỏi b c x c của c c dân t c và c c nư c trên thế giới, c c nư c này
đều c môi trường hoà bình, ổn định và th c hiện chính sách mở c a c c ... nư c thành viên trong khuôn khổ c a hệ
thống thương mại đa phương phù h p với c c nguyên t c cơ bản c a c ng
ph p qu c tế, đảm bảo cho c c nư c đang phát triển đ c biệt là c c nư c kém
phát...
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