:orphan:

.. title:: CMSIS_DSP_FASTMATH

.. option:: CONFIG_CMSIS_DSP_FASTMATH

*Fast Math Functions*

Type: ``bool``

Help
====

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

* Sine
* Cosine
* Square Root

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

\ :option:`CMSIS_DSP <CONFIG_CMSIS_DSP>`

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

Defaults
========

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

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

- \ :option:`CMSIS_DSP_TABLES <CONFIG_CMSIS_DSP_TABLES>`

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

- \ :option:`CMSIS_DSP_TABLES_ALL_FAST <CONFIG_CMSIS_DSP_TABLES_ALL_FAST>`

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

- \ :option:`CMSIS_DSP_COMPLEXMATH <CONFIG_CMSIS_DSP_COMPLEXMATH>`
- \ :option:`CMSIS_DSP_STATISTICS <CONFIG_CMSIS_DSP_STATISTICS>`

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

.. highlight:: kconfig

At ``modules/Kconfig.cmsis_dsp:58``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:23`` → ``modules/Kconfig:14`` → ``modules/Kconfig.cmsis:28``

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

.. parsed-literal::

    config CMSIS_DSP_FASTMATH
    	bool "Fast Math Functions"
    	select \ :option:`CMSIS_DSP_TABLES <CONFIG_CMSIS_DSP_TABLES>`
    	imply \ :option:`CMSIS_DSP_TABLES_ALL_FAST <CONFIG_CMSIS_DSP_TABLES_ALL_FAST>`
    	depends on \ :option:`CMSIS_DSP <CONFIG_CMSIS_DSP>`
    	help
    	  This option enables the Fast Math Functions, which support the
    	  following operations:
	  
    	  * Sine
    	  * Cosine
    	  * Square Root

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