.. include:: ../check.rst

=======
float.h
=======

Macros
======

.. list-table::
  :widths: auto
  :align: center
  :header-rows: 1

  * - Macro
    - Implemented
    - C23 Standard Section
    - POSIX Docs
  * - DBL_DECIMAL_DIG
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_DIG
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_EPSILON
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_HAS_SUBNORM
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_IS_IEC_60559
    -
    - 5.3.5.3.3
    -
  * - DBL_MANT_DIG
    - |check|
    - 5.3.5.3.3
    -
  * - DBL_MAX
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_MAX_10_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_MAX_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_MIN
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_MIN_10_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_MIN_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DBL_NORM_MAX
    -
    - 5.3.5.3.3
    -
  * - DBL_SNAN
    -
    - 5.3.5.3.3
    -
  * - DBL_TRUE_MIN
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - DECIMAL_DIG
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_DECIMAL_DIG
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_DIG
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_EPSILON
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_EVAL_METHOD
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_HAS_SUBNORM
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_IS_IEC_60559
    -
    - 5.3.5.3.3
    -
  * - FLT_MANT_DIG
    - |check|
    - 5.3.5.3.3
    -
  * - FLT_MAX
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_MAX_10_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_MAX_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_MIN
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_MIN_10_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_MIN_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_NORM_MAX
    -
    - 5.3.5.3.3
    -
  * - FLT_RADIX
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_ROUNDS
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - FLT_SNAN
    -
    - 5.3.5.3.3
    -
  * - FLT_TRUE_MIN
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - INFINITY
    -
    - 5.3.5.3.3
    -
  * - LDBL_DECIMAL_DIG
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_DIG
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_EPSILON
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_HAS_SUBNORM
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_IS_IEC_60559
    -
    - 5.3.5.3.3
    -
  * - LDBL_MANT_DIG
    - |check|
    - 5.3.5.3.3
    -
  * - LDBL_MAX
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_MAX_10_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_MAX_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_MIN
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_MIN_10_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_MIN_EXP
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - LDBL_NORM_MAX
    -
    - 5.3.5.3.3
    -
  * - LDBL_SNAN
    -
    - 5.3.5.3.3
    -
  * - LDBL_TRUE_MIN
    - |check|
    - 5.3.5.3.3
    - `POSIX.1-2024 <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/float.h.html>`__
  * - NAN
    -
    - 5.3.5.3.3
    -
  * - __STDC_VERSION_FLOAT_H__
    -
    - 7.7
    -