:orphan:

.. title:: CONFIG_CMSIS_DSP_FASTMATH

.. kconfig:: CONFIG_CMSIS_DSP_FASTMATH

CONFIG_CMSIS_DSP_FASTMATH
#########################

*Fast Math Functions*

Type: ``bool``

Help
====

.. code-block:: none

    This option enables the Fast Math Functions, which support the
    following operations:

    * Fixed-Point Division
    * Sine
    * Cosine
    * Square Root

Direct dependencies
===================

\ :kconfig:`CMSIS_DSP <CONFIG_CMSIS_DSP>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

No defaults. Implicitly defaults to ``n``.

Symbols selected by this symbol
===============================

- \ :kconfig:`CMSIS_DSP_TABLES <CONFIG_CMSIS_DSP_TABLES>`

Symbols implied by this symbol
==============================

- \ :kconfig:`CMSIS_DSP_TABLES_ALL_FAST <CONFIG_CMSIS_DSP_TABLES_ALL_FAST>`

Symbols that imply this symbol
==============================

- \ :kconfig:`CMSIS_DSP_COMPLEXMATH <CONFIG_CMSIS_DSP_COMPLEXMATH>`
- \ :kconfig:`CMSIS_DSP_FILTERING <CONFIG_CMSIS_DSP_FILTERING>`
- \ :kconfig:`CMSIS_DSP_STATISTICS <CONFIG_CMSIS_DSP_STATISTICS>`

Kconfig definition
==================



At ``<External Modules>/Kconfig.cmsis_dsp:60``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:33`` → ``<External Modules>/Kconfig:13`` → ``<External Modules>/Kconfig.cmsis:28``

Menu path: (Top) → Modules → CMSIS-DSP Library Support

.. code-block:: kconfig

    config CMSIS_DSP_FASTMATH
    	bool "Fast Math Functions"
    	select CMSIS_DSP_TABLES
    	imply CMSIS_DSP_TABLES_ALL_FAST
    	depends on CMSIS_DSP
    	help
    	  This option enables the Fast Math Functions, which support the
    	  following operations:
	  
    	  * Fixed-Point Division
    	  * Sine
    	  * Cosine
    	  * Square Root

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*