tmp/tmpz987fn5i/{from.md → to.md}
RENAMED
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@@ -178,96 +178,82 @@ Number”.[^17]
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Meaningful for all floating-point types.
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Shall be `true` for all specializations in which `is_iec559 != false`.
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``` cpp
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static constexpr float_denorm_style has_denorm;
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```
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`denorm_present` if the type allows subnormal values (variable number of
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exponent bits)[^18], `denorm_absent` if the type does not allow
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subnormal values, and `denorm_indeterminate` if it is indeterminate at
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compile time whether the type allows subnormal values.
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Meaningful for all floating-point types.
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``` cpp
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static constexpr bool has_denorm_loss;
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```
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`true` if loss of accuracy is detected as a denormalization loss, rather
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than as an inexact result.[^19]
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``` cpp
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static constexpr T infinity() noexcept;
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```
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Representation of positive infinity, if available.[^
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Meaningful for all specializations for which `has_infinity != false`.
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Required in specializations for which `is_iec559 != false`.
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``` cpp
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static constexpr T quiet_NaN() noexcept;
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```
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Representation of a quiet “Not a Number”, if available.[^
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Meaningful for all specializations for which `has_quiet_NaN != false`.
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Required in specializations for which `is_iec559 != false`.
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``` cpp
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static constexpr T signaling_NaN() noexcept;
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```
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Representation of a signaling “Not a Number”, if available.[^
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Meaningful for all specializations for which
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`has_signaling_NaN != false`. Required in specializations for which
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`is_iec559 != false`.
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``` cpp
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static constexpr T denorm_min() noexcept;
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```
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Minimum positive subnormal value.[^
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Meaningful for all floating-point types.
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In specializations for which `has_denorm == false`, returns the minimum
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positive normalized value.
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``` cpp
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static constexpr bool is_iec559;
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```
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`true` if and only if the type adheres to ISO/IEC/IEEE 60559.[^
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Meaningful for all floating-point types.
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``` cpp
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static constexpr bool is_bounded;
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```
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`true` if the set of values representable by the type is finite.[^
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[*Note
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This member would be `false` for arbitrary precision
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types. — *end note*]
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Meaningful for all specializations.
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``` cpp
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static constexpr bool is_modulo;
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```
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`true` if the type is modulo.[^
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`max()
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[*Example 1*: `is_modulo` is `false` for signed integer
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types [[basic.fundamental]] unless an implementation, as an extension to
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this document, defines signed integer overflow to
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wrap. — *end example*]
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@@ -277,26 +263,26 @@ Meaningful for all specializations.
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``` cpp
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static constexpr bool traps;
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```
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`true` if, at the start of the program, there exists a value of the type
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that would cause an arithmetic operation using that value to trap.[^
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Meaningful for all specializations.
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``` cpp
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static constexpr bool tinyness_before;
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```
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`true` if tinyness is detected before rounding.[^
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Meaningful for all floating-point types.
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``` cpp
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static constexpr float_round_style round_style;
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```
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The rounding style for the type.[^
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Meaningful for all floating-point types. Specializations for integer
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types shall return `round_toward_zero`.
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Meaningful for all floating-point types.
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Shall be `true` for all specializations in which `is_iec559 != false`.
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``` cpp
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static constexpr T infinity() noexcept;
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```
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Representation of positive infinity, if available.[^18]
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Meaningful for all specializations for which `has_infinity != false`.
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Required in specializations for which `is_iec559 != false`.
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``` cpp
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static constexpr T quiet_NaN() noexcept;
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```
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Representation of a quiet “Not a Number”, if available.[^19]
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Meaningful for all specializations for which `has_quiet_NaN != false`.
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Required in specializations for which `is_iec559 != false`.
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``` cpp
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static constexpr T signaling_NaN() noexcept;
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```
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Representation of a signaling “Not a Number”, if available.[^20]
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Meaningful for all specializations for which
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`has_signaling_NaN != false`. Required in specializations for which
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`is_iec559 != false`.
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``` cpp
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static constexpr T denorm_min() noexcept;
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```
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Minimum positive subnormal value, if available.[^21]
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Otherwise, minimum positive normalized value.
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Meaningful for all floating-point types.
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``` cpp
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static constexpr bool is_iec559;
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```
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`true` if and only if the type adheres to ISO/IEC/IEEE 60559.[^22]
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[*Note 1*: The value is `true` for any of the types `float16_t`,
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`float32_t`, `float64_t`, or `float128_t`, if
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present [[basic.extended.fp]]. — *end note*]
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Meaningful for all floating-point types.
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``` cpp
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static constexpr bool is_bounded;
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```
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`true` if the set of values representable by the type is finite.[^23]
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[*Note 2*: All fundamental types [[basic.fundamental]] are bounded.
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This member would be `false` for arbitrary precision
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types. — *end note*]
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Meaningful for all specializations.
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``` cpp
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static constexpr bool is_modulo;
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```
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`true` if the type is modulo.[^24]
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A type is modulo if, for any operation involving `+`, `-`, or `*` on
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values of that type whose result would fall outside the range \[`min()`,
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`max()`\], the value returned differs from the true value by an integer
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multiple of `max() - min() + 1`.
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[*Example 1*: `is_modulo` is `false` for signed integer
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types [[basic.fundamental]] unless an implementation, as an extension to
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this document, defines signed integer overflow to
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wrap. — *end example*]
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``` cpp
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static constexpr bool traps;
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```
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`true` if, at the start of the program, there exists a value of the type
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that would cause an arithmetic operation using that value to trap.[^25]
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Meaningful for all specializations.
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``` cpp
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static constexpr bool tinyness_before;
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```
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`true` if tinyness is detected before rounding.[^26]
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Meaningful for all floating-point types.
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``` cpp
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static constexpr float_round_style round_style;
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```
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The rounding style for the type.[^27]
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Meaningful for all floating-point types. Specializations for integer
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types shall return `round_toward_zero`.
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