From Jason Turner

[ostream.inserters.arithmetic]

C++23 → Trunk 4.3 KB 43 lines
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Archived: C++23
Markdown: C++23 | Trunk
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  1. tmp/tmpveheh0j2/{from.md → to.md} +14 -25
tmp/tmpveheh0j2/{from.md → to.md} RENAMED
@@ -23,59 +23,52 @@ When `val` is of type `bool`, `long`, `unsigned long`, `long long`,
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  `unsigned long long`, `double`, `long double`, or `const void*`, the
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  formatting conversion occurs as if it performed the following code
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  fragment:
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  ``` cpp
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- bool failed = use_facet<
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- num_put<charT, ostreambuf_iterator<charT, traits>>
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- >(getloc()).put(*this, *this, fill(), val).failed();
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  ```
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  When `val` is of type `short` the formatting conversion occurs as if it
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  performed the following code fragment:
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  ``` cpp
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  ios_base::fmtflags baseflags = ios_base::flags() & ios_base::basefield;
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- bool failed = use_facet<
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- num_put<charT, ostreambuf_iterator<charT, traits>>
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- >(getloc()).put(*this, *this, fill(),
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  baseflags == ios_base::oct || baseflags == ios_base::hex
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  ? static_cast<long>(static_cast<unsigned short>(val))
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  : static_cast<long>(val)).failed();
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  ```
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  When `val` is of type `int` the formatting conversion occurs as if it
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  performed the following code fragment:
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  ``` cpp
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  ios_base::fmtflags baseflags = ios_base::flags() & ios_base::basefield;
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- bool failed = use_facet<
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- num_put<charT, ostreambuf_iterator<charT, traits>>
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- >(getloc()).put(*this, *this, fill(),
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  baseflags == ios_base::oct || baseflags == ios_base::hex
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  ? static_cast<long>(static_cast<unsigned int>(val))
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  : static_cast<long>(val)).failed();
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  ```
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  When `val` is of type `unsigned short` or `unsigned int` the formatting
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  conversion occurs as if it performed the following code fragment:
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  ``` cpp
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- bool failed = use_facet<
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- num_put<charT, ostreambuf_iterator<charT, traits>>
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- >(getloc()).put(*this, *this, fill(),
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- static_cast<unsigned long>(val)).failed();
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  ```
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  When `val` is of type `float` the formatting conversion occurs as if it
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  performed the following code fragment:
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  ``` cpp
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- bool failed = use_facet<
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- num_put<charT, ostreambuf_iterator<charT, traits>>
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- >(getloc()).put(*this, *this, fill(),
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- static_cast<double>(val)).failed();
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  ```
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  The first argument provides an object of the `ostreambuf_iterator<>`
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  class which is an iterator for class `basic_ostream<>`. It bypasses
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  `ostream`s and uses `streambuf`s directly. Class `locale` relies on
@@ -103,26 +96,22 @@ basic_ostream& operator<<(extended-floating-point-type val);
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  *`extended-floating-point-type`* is less than or equal to that of
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  `double`, the formatting conversion occurs as if it performed the
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  following code fragment:
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  ``` cpp
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- bool failed = use_facet<
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- num_put<charT, ostreambuf_iterator<charT, traits>>
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- >(getloc()).put(*this, *this, fill(),
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- static_cast<double>(val)).failed();
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  ```
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  Otherwise, if the floating-point conversion rank of
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  *`extended-floating-point-type`* is less than or equal to that of
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  `long double`, the formatting conversion occurs as if it performed the
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  following code fragment:
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  ``` cpp
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- bool failed = use_facet<
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- num_put<charT, ostreambuf_iterator<charT, traits>>
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- >(getloc()).put(*this, *this, fill(),
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- static_cast<long double>(val)).failed();
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  ```
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  Otherwise, an invocation of the operator function is conditionally
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  supported with *implementation-defined* semantics.
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  `unsigned long long`, `double`, `long double`, or `const void*`, the
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  formatting conversion occurs as if it performed the following code
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  fragment:
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  ``` cpp
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+ bool failed = use_facet<num_put<charT, ostreambuf_iterator<charT, traits>>>(
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+ getloc()).put(*this, *this, fill(), val).failed();
 
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  ```
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  When `val` is of type `short` the formatting conversion occurs as if it
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  performed the following code fragment:
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  ``` cpp
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  ios_base::fmtflags baseflags = ios_base::flags() & ios_base::basefield;
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+ bool failed = use_facet<num_put<charT, ostreambuf_iterator<charT, traits>>>(
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+ getloc()).put(*this, *this, fill(),
 
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  baseflags == ios_base::oct || baseflags == ios_base::hex
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  ? static_cast<long>(static_cast<unsigned short>(val))
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  : static_cast<long>(val)).failed();
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  ```
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  When `val` is of type `int` the formatting conversion occurs as if it
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  performed the following code fragment:
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  ``` cpp
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  ios_base::fmtflags baseflags = ios_base::flags() & ios_base::basefield;
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+ bool failed = use_facet<num_put<charT, ostreambuf_iterator<charT, traits>>>(
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+ getloc()).put(*this, *this, fill(),
 
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  baseflags == ios_base::oct || baseflags == ios_base::hex
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  ? static_cast<long>(static_cast<unsigned int>(val))
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  : static_cast<long>(val)).failed();
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  ```
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  When `val` is of type `unsigned short` or `unsigned int` the formatting
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  conversion occurs as if it performed the following code fragment:
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  ``` cpp
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+ bool failed = use_facet<num_put<charT, ostreambuf_iterator<charT, traits>>>(
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+ getloc()).put(*this, *this, fill(), static_cast<unsigned long>(val)).failed();
 
 
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  ```
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  When `val` is of type `float` the formatting conversion occurs as if it
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  performed the following code fragment:
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  ``` cpp
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+ bool failed = use_facet<num_put<charT, ostreambuf_iterator<charT, traits>>>(
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+ getloc()).put(*this, *this, fill(), static_cast<double>(val)).failed();
 
 
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  ```
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  The first argument provides an object of the `ostreambuf_iterator<>`
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  class which is an iterator for class `basic_ostream<>`. It bypasses
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  `ostream`s and uses `streambuf`s directly. Class `locale` relies on
 
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  *`extended-floating-point-type`* is less than or equal to that of
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  `double`, the formatting conversion occurs as if it performed the
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  following code fragment:
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  ``` cpp
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+ bool failed = use_facet<num_put<charT, ostreambuf_iterator<charT, traits>>>(
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+ getloc()).put(*this, *this, fill(), static_cast<double>(val)).failed();
 
 
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  ```
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  Otherwise, if the floating-point conversion rank of
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  *`extended-floating-point-type`* is less than or equal to that of
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  `long double`, the formatting conversion occurs as if it performed the
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  following code fragment:
109
 
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  ``` cpp
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+ bool failed = use_facet<num_put<charT, ostreambuf_iterator<charT, traits>>>(
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+ getloc()).put(*this, *this, fill(), static_cast<long double>(val)).failed();
 
 
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  ```
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  Otherwise, an invocation of the operator function is conditionally
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  supported with *implementation-defined* semantics.
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