forked from boostorg/endian
Manually apply a few renaming corrections. Reorder typedefs in synopsis for consistency.
This commit is contained in:
Beman committed
1 parent
9c0cbae556
commit
63a5b4ff54
3 files changed
+104
-109
No files matched your search
+51
-52
@@ -123,10 +123,10 @@ namespace
|
||||
|
||||
struct header
|
||||
{
|
||||
big_int32_at file_code;
|
||||
big_int32_at file_length;
|
||||
little_int32_at version;
|
||||
little_int32_at shape_type;
|
||||
big_int32_t file_code;
|
||||
big_int32_t file_length;
|
||||
little_int32_t version;
|
||||
little_int32_t shape_type;
|
||||
};
|
||||
|
||||
const char* filename = "test.dat";
|
||||
@@ -433,49 +433,6 @@ usual operations on integers are supplied.</p>
|
||||
|
||||
// typedefs
|
||||
|
||||
// aligned big endian floating point types
|
||||
typedef endian<order::big, float, 32, align::yes> big_float32_at;
|
||||
typedef endian<order::big, double, 64, align::yes> big_float64_at;
|
||||
|
||||
// aligned little endian floating point types
|
||||
typedef endian<order::little, float, 32, align::yes> little_float32_at;
|
||||
typedef endian<order::little, double, 64, align::yes> little_float64_at;
|
||||
|
||||
// unaligned big endian floating point types
|
||||
typedef endian<order::big, float, 32, align::no> big_float32_t;
|
||||
typedef endian<order::big, double, 64, align::no> big_float64_t;
|
||||
|
||||
// unaligned little endian floating point types
|
||||
typedef endian<order::little, float, 32, align::no> little_float32_t;
|
||||
typedef endian<order::little, double, 64, align::no> little_float64_t;
|
||||
|
||||
// aligned big endian signed integer types
|
||||
typedef endian<order::big, int8_t, 8, align::yes> big_int8_at;
|
||||
typedef endian<order::big, int16_t, 16, align::yes> big_int16_at;
|
||||
typedef endian<order::big, int32_t, 32, align::yes> big_int32_at;
|
||||
typedef endian<order::big, int64_t, 64, align::yes> big_int64_at;
|
||||
|
||||
// aligned big endian unsigned integer types
|
||||
typedef endian<order::big, uint8_t, 8, align::yes> big_uint8_at;
|
||||
typedef endian<order::big, uint16_t, 16, align::yes> big_uint16_at;
|
||||
typedef endian<order::big, uint32_t, 32, align::yes> big_uint32_at;
|
||||
typedef endian<order::big, uint64_t, 64, align::yes> big_uint64_at;
|
||||
|
||||
// aligned little endian signed integer types
|
||||
typedef endian<order::little, int8_t, 8, align::yes> little_int8_at;
|
||||
typedef endian<order::little, int16_t, 16, align::yes> little_int16_at;
|
||||
typedef endian<order::little, int32_t, 32, align::yes> little_int32_at;
|
||||
typedef endian<order::little, int64_t, 64, align::yes> little_int64_at;
|
||||
|
||||
// aligned little endian unsigned integer types
|
||||
typedef endian<order::little, uint8_t, 8, align::yes> little_uint8_at;
|
||||
typedef endian<order::little, uint16_t, 16, align::yes> little_uint16_at;
|
||||
typedef endian<order::little, uint32_t, 32, align::yes> little_uint32_at;
|
||||
typedef endian<order::little, uint64_t, 64, align::yes> little_uint64_at;
|
||||
|
||||
// aligned native endian typedefs are not provided because
|
||||
// <cstdint> types are superior for that use case
|
||||
|
||||
// unaligned big endian signed integer types
|
||||
typedef endian<order::big, int_least8_t, 8> big_int8_t;
|
||||
typedef endian<order::big, int_least16_t, 16> big_int16_t;
|
||||
@@ -496,6 +453,10 @@ usual operations on integers are supplied.</p>
|
||||
typedef endian<order::big, uint_least64_t, 56> big_uint56_t;
|
||||
typedef endian<order::big, uint_least64_t, 64> big_uint64_t;
|
||||
|
||||
// unaligned big endian floating point types
|
||||
typedef endian<order::big, float, 32> big_float32_t;
|
||||
typedef endian<order::big, double, 64> big_float64_t;
|
||||
|
||||
// unaligned little endian signed integer types
|
||||
typedef endian<order::little, int_least8_t, 8> little_int8_t;
|
||||
typedef endian<order::little, int_least16_t, 16> little_int16_t;
|
||||
@@ -516,7 +477,11 @@ usual operations on integers are supplied.</p>
|
||||
typedef endian<order::little, uint_least64_t, 56> little_uint56_t;
|
||||
typedef endian<order::little, uint_least64_t, 64> little_uint64_t;
|
||||
|
||||
// unaligned native endian signed integer types
|
||||
// unaligned little endian floating point types
|
||||
typedef endian<order::little, float, 32, align::no> little_float32_t;
|
||||
typedef endian<order::little, double, 64, align::no> little_float64_t;
|
||||
|
||||
// unaligned native endian signed integer types
|
||||
typedef <b><i>implementation-defined</i></b>_int8_t native_int8_t;
|
||||
typedef <b><i>implementation-defined</i></b>_int16_t native_int16_t;
|
||||
typedef <b><i>implementation-defined</i></b>_int24_t native_int24_t;
|
||||
@@ -526,7 +491,7 @@ usual operations on integers are supplied.</p>
|
||||
typedef <b><i>implementation-defined</i></b>_int56_t native_int56_t;
|
||||
typedef <b><i>implementation-defined</i></b>_int64_t native_int64_t;
|
||||
|
||||
// unaligned native endian unsigned integer types
|
||||
// unaligned native endian unsigned integer types
|
||||
typedef <b><i>implementation-defined</i></b>_uint8_t native_uint8_t;
|
||||
typedef <b><i>implementation-defined</i></b>_uint16_t native_uint16_t;
|
||||
typedef <b><i>implementation-defined</i></b>_uint24_t native_uint24_t;
|
||||
@@ -535,7 +500,42 @@ usual operations on integers are supplied.</p>
|
||||
typedef <b><i>implementation-defined</i></b>_uint48_t native_uint48_t;
|
||||
typedef <b><i>implementation-defined</i></b>_uint56_t native_uint56_t;
|
||||
typedef <b><i>implementation-defined</i></b>_uint64_t native_uint64_t;
|
||||
|
||||
// aligned big endian signed integer types
|
||||
typedef endian<order::big, int8_t, 8, align::yes> big_int8_at;
|
||||
typedef endian<order::big, int16_t, 16, align::yes> big_int16_at;
|
||||
typedef endian<order::big, int32_t, 32, align::yes> big_int32_at;
|
||||
typedef endian<order::big, int64_t, 64, align::yes> big_int64_at;
|
||||
|
||||
// aligned big endian unsigned integer types
|
||||
typedef endian<order::big, uint8_t, 8, align::yes> big_uint8_at;
|
||||
typedef endian<order::big, uint16_t, 16, align::yes> big_uint16_at;
|
||||
typedef endian<order::big, uint32_t, 32, align::yes> big_uint32_at;
|
||||
typedef endian<order::big, uint64_t, 64, align::yes> big_uint64_at;
|
||||
|
||||
// aligned big endian floating point types
|
||||
typedef endian<order::big, float, 32, align::yes> big_float32_at;
|
||||
typedef endian<order::big, double, 64, align::yes> big_float64_at;
|
||||
|
||||
// aligned little endian signed integer types
|
||||
typedef endian<order::little, int8_t, 8, align::yes> little_int8_at;
|
||||
typedef endian<order::little, int16_t, 16, align::yes> little_int16_at;
|
||||
typedef endian<order::little, int32_t, 32, align::yes> little_int32_at;
|
||||
typedef endian<order::little, int64_t, 64, align::yes> little_int64_at;
|
||||
|
||||
// aligned little endian unsigned integer types
|
||||
typedef endian<order::little, uint8_t, 8, align::yes> little_uint8_at;
|
||||
typedef endian<order::little, uint16_t, 16, align::yes> little_uint16_at;
|
||||
typedef endian<order::little, uint32_t, 32, align::yes> little_uint32_at;
|
||||
typedef endian<order::little, uint64_t, 64, align::yes> little_uint64_at;
|
||||
|
||||
// aligned little endian floating point types
|
||||
typedef endian<order::little, float, 32, align::yes> little_float32_at;
|
||||
typedef endian<order::little, double, 64, align::yes> little_float64_at;
|
||||
|
||||
// aligned native endian typedefs are not provided because
|
||||
// <cstdint> types are superior for that use case
|
||||
|
||||
} // namespace endian
|
||||
} // namespace boost</pre>
|
||||
<p>The <i><b><code>implementation-defined</code></b></i> text above is either
|
||||
@@ -619,8 +619,7 @@ programming.</p>
|
||||
<p><b>Why bother with the aligned endian types?</b> Aligned integer operations
|
||||
may be faster (as much as 10 to 20 times faster) if the endianness and alignment of
|
||||
the type matches the endianness and alignment requirements of the machine. The code,
|
||||
however, is
|
||||
likely to be somewhat less portable than with the unaligned types.</p>
|
||||
however, will be somewhat less portable than with the unaligned types.</p>
|
||||
<p><b>Why provide the arithmetic operations?</b> Providing a full set of operations reduces program
|
||||
clutter and makes code both easier to write and to read. Consider
|
||||
incrementing a variable in a record. It is very convenient to write:</p>
|
||||
@@ -694,7 +693,7 @@ differs from endian representation size. Vicente Botet and other reviewers
|
||||
suggested supporting floating point types.</p>
|
||||
<hr>
|
||||
<p>Last revised:
|
||||
<!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->17 February, 2015<!--webbot bot="Timestamp" endspan i-checksum="40541" --></p>
|
||||
<!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->23 February, 2015<!--webbot bot="Timestamp" endspan i-checksum="40534" --></p>
|
||||
<p>© Copyright Beman Dawes, 2006-2009, 2013</p>
|
||||
<p>Distributed under the Boost Software License, Version 1.0. See
|
||||
<a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/ LICENSE_1_0.txt</a></p>
|
||||
|
||||
Reference in new issue
Block a user