/** * \file Ifx_WndF32.h * \brief Windowing function * \ingroup library_srvsw_sysse_math_f32_wnd * * * * \version disabled * \copyright Copyright (c) 2013 Infineon Technologies AG. All rights reserved. * * * IMPORTANT NOTICE * * * Use of this file is subject to the terms of use agreed between (i) you or * the company in which ordinary course of business you are acting and (ii) * Infineon Technologies AG or its licensees. If and as long as no such * terms of use are agreed, use of this file is subject to following: * Boost Software License - Version 1.0 - August 17th, 2003 * Permission is hereby granted, free of charge, to any person or * organization obtaining a copy of the software and accompanying * documentation covered by this license (the "Software") to use, reproduce, * display, distribute, execute, and transmit the Software, and to prepare * derivative works of the Software, and to permit third-parties to whom the * Software is furnished to do so, all subject to the following: * The copyright notices in the Software and this entire statement, including * the above license grant, this restriction and the following disclaimer, must * be included in all copies of the Software, in whole or in part, and all * derivative works of the Software, unless such copies or derivative works are * solely in the form of machine-executable object code generated by a source * language processor. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * \defgroup library_srvsw_sysse_math_f32_wnd Window functions * \ingroup library_srvsw_sysse_math_f32 */ #ifndef IFX_WNDF32_H #define IFX_WNDF32_H #include "Ifx_Cf32.h" #define IFX_WNDF32_TABLE_LENGTH (1024) /** \addtogroup library_srvsw_sysse_math_f32_wnd * \{ */ IFX_EXTERN CONST_CFG float32 Ifx_g_WndF32_hannTable[IFX_WNDF32_TABLE_LENGTH / 2]; IFX_EXTERN CONST_CFG float32 Ifx_g_WndF32_blackmanHarrisTable[IFX_WNDF32_TABLE_LENGTH / 2]; /** \brief Apply a window to complex array x which has nX length. * * Example: Ifx_WndF32_apply(x, Ifx_g_WndF32_hannTable, 1024); */ IFX_INLINE void Ifx_WndF32_apply(cfloat32 *x, CONST_CFG float32 *window, short nX) { VecWin_f32(&x->real, window, nX, IFX_WNDF32_TABLE_LENGTH, 2, 1); } /** \} */ #endif /* IFX_WNDF32_H */