/*?----------------------------------------------------------------------????
*?Copyright?（C）?2010-2013?ARM?Limited.?All?rights?reserved.????
*????
*?$Date:????????17.?January?2013
*?$Revision:?	V1.4.1
*????
*?Project:?	????CMSIS?DSP?Library????
*?title:		arm_sin_q15.c????
*????
*?Description:	Fast?sine?calculation?for?Q15?values.???
*????
*?Target?Processor:?Cortex-M4/Cortex-M3/Cortex-M0
*??
*?Redistribution?and?use?in?source?and?binary?forms?with?or?without?
*?modification?are?permitted?provided?that?the?following?conditions
*?are?met:
*???-?Redistributions?of?source?code?must?retain?the?above?copyright
*?????notice?this?list?of?conditions?and?the?following?disclaimer.
*???-?Redistributions?in?binary?form?must?reproduce?the?above?copyright
*?????notice?this?list?of?conditions?and?the?following?disclaimer?in
*?????the?documentation?and/or?other?materials?provided?with?the?
*?????distribution.
*???-?Neither?the?name?of?ARM?LIMITED?nor?the?names?of?its?contributors
*?????may?be?used?to?endorse?or?promote?products?derived?from?this
*?????software?without?specific?prior?written?permission.
*
*?THIS?SOFTWARE?IS?PROVIDED?BY?THE?COPYRIGHT?HOLDERS?AND?CONTRIBUTORS
*?“AS?IS“?AND?ANY?EXPRESS?OR?IMPLIED?WARRANTIES?INCLUDING?BUT?NOT
*?LIMITED?TO?THE?IMPLIED?WARRANTIES?OF?MERCHANTABILITY?AND?FITNESS
*?FOR?A?PARTICULAR?PURPOSE?ARE?DISCLAIMED.?IN?NO?EVENT?SHALL?THE?
*?COPYRIGHT?OWNER?OR?CONTRIBUTORS?BE?LIABLE?FOR?ANY?DIRECT?INDIRECT
*?INCIDENTAL?SPECIAL?EXEMPLARY?OR?CONSEQUENTIAL?DAMAGES?（INCLUDING
*?BUT?NOT?LIMITED?TO?PROCUREMENT?OF?SUBSTITUTE?GOODS?OR?SERVICES;
*?LOSS?OF?USE?DATA?OR?PROFITS;?OR?BUSINESS?INTERRUPTION）?HOWEVER
*?CAUSED?AND?ON?ANY?THEORY?OF?LIABILITY?WHETHER?IN?CONTRACT?STRICT
*?LIABILITY?OR?TORT?（INCLUDING?NEGLIGENCE?OR?OTHERWISE）?ARISING?IN
*?ANY?WAY?OUT?OF?THE?USE?OF?THIS?SOFTWARE?EVEN?IF?ADVISED?OF?THE
*?POSSIBILITY?OF?SUCH?DAMAGE.?
*?--------------------------------------------------------------------?*/

#include?“arm_math.h“

/**????
?*?@ingroup?groupFastMath????
?*/

?/**????
?*?@addtogroup?sin????
?*?@{????
?*/


/**???
*?\par????
?*?Table?values?are?in?Q15?（1.15?fixed-point?format）?and?generation?is?done?in?
?*?three?steps.??First??generate?sin?values?in?floating?point:????
?*?

?*?tableSize?=?256;
?*?for（n?=?-1;?n??*?{????
?*	sinTable[n+1]=?sin（2*pi*n/tableSize）;????
?*?}?
?????
?*?where?pi?value?is??3.14159265358979????
?*?\par????
?*?Second?convert?floating-point?to?Q15?（fixed-point）:????
?*	（sinTable[i]?*?pow（2?15））????
?*?\par????
?*?Finally?round?to?the?nearest?integer?value:
?*?	sinTable[i]?+=?（sinTable[i]?>?0???0.5?:-0.5）;????
*/

static?const?q15_t?sinTableQ15[259]?=?{
??0xfcdc?0x0?0x324?0x648?0x96b?0xc8c?0xfab?0x12c8
??0x15e2?0x18f9?0x1c0c?0x1f1a?0x2224?0x2528?0x2827?0x2b1f
??0x2e11?0x30fc?0x33df?0x36ba?0x398d?0x3c57?0x3f17?0x41ce
??0x447b?0x471d?0x49b4?0x4c40?0x4

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-11-27?23:17??AD9959調(diào)試程序-final-new32\
?????目錄???????????0??2016-11-28?18:15??AD9959調(diào)試程序-final-new32\CORE\
?????文件??????109142??2014-07-17?21:52??AD9959調(diào)試程序-final-new32\CORE\core_cm4.h
?????文件???????22735??2014-07-17?21:52??AD9959調(diào)試程序-final-new32\CORE\core_cm4_simd.h
?????文件???????29605??2014-08-02?00:12??AD9959調(diào)試程序-final-new32\CORE\startup_stm32f40_41xxx.s
?????目錄???????????0??2016-11-27?20:55??AD9959調(diào)試程序-final-new32\FWLIB\
?????目錄???????????0??2016-11-28?19:26??AD9959調(diào)試程序-final-new32\FWLIB\inc\
?????文件????????4676??2014-07-17?21:52??AD9959調(diào)試程序-final-new32\FWLIB\inc\arm_common_tables.h
?????文件????????3666??2014-07-17?21:52??AD9959調(diào)試程序-final-new32\FWLIB\inc\arm_const_structs.h
?????文件??????242444??2015-04-17?18:05??AD9959調(diào)試程序-final-new32\FWLIB\inc\arm_math.h
?????文件????????6924??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\misc.h
?????文件???????32880??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_adc.h
?????文件???????27318??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_can.h
?????文件????????2416??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_crc.h
?????文件???????14481??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_cryp.h
?????文件???????14946??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_dac.h
?????文件????????4296??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_dbgmcu.h
?????文件???????12977??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_dcmi.h
?????文件???????28882??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_dma.h
?????文件???????19692??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_dma2d.h
?????文件????????8012??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_exti.h
?????文件???????24467??2014-08-04?22:05??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_flash.h
?????文件????????3275??2014-08-04?22:05??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_flash_ramfunc.h
?????文件???????44924??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_fmc.h
?????文件???????27181??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_fsmc.h
?????文件???????23548??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_gpio.h
?????文件???????10084??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_hash.h
?????文件???????31939??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_i2c.h
?????文件????????4323??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_iwdg.h
?????文件???????21191??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_ltdc.h
?????文件????????7728??2014-08-01?23:18??AD9959調(diào)試程序-final-new32\FWLIB\inc\stm32f4xx_pwr.h
............此處省略240個(gè)文件信息