diff options
author | Jack Humbert <jack.humb@gmail.com> | 2016-06-18 14:30:24 -0400 |
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committer | GitHub <noreply@github.com> | 2016-06-18 14:30:24 -0400 |
commit | db32864ce7029d758f57729cc2f75e051a28d0a2 (patch) | |
tree | f3ac60d9c826a9ad5ef5bc4d199efaddae156ba6 /tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c | |
parent | 1923cffd41d9d71cd9f434092654dba05513137b (diff) |
Cleans up quantum/keymap situation, removes extra lufa folders (#416)
* sorts out keycodes
* move midi around
* remove mbed
* replaces keymap with qmk/keymap_common
* fixes keymap.h
* keymap, config, quantum rearrange
* removes unneeded lufa stuff
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c')
-rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c b/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c deleted file mode 100644 index abc36976d9..0000000000 --- a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mag_squared_f32.c +++ /dev/null @@ -1,215 +0,0 @@ -/* ---------------------------------------------------------------------- -* Copyright (C) 2010-2013 ARM Limited. All rights reserved. -* -* $Date: 17. January 2013 -* $Revision: V1.4.1 -* -* Project: CMSIS DSP Library -* Title: arm_cmplx_mag_squared_f32.c -* -* Description: Floating-point complex magnitude squared. -* -* 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 groupCmplxMath - */ - -/** - * @defgroup cmplx_mag_squared Complex Magnitude Squared - * - * Computes the magnitude squared of the elements of a complex data vector. - * - * The <code>pSrc</code> points to the source data and - * <code>pDst</code> points to the where the result should be written. - * <code>numSamples</code> specifies the number of complex samples - * in the input array and the data is stored in an interleaved fashion - * (real, imag, real, imag, ...). - * The input array has a total of <code>2*numSamples</code> values; - * the output array has a total of <code>numSamples</code> values. - * - * The underlying algorithm is used: - * - * <pre> - * for(n=0; n<numSamples; n++) { - * pDst[n] = pSrc[(2*n)+0]^2 + pSrc[(2*n)+1]^2; - * } - * </pre> - * - * There are separate functions for floating-point, Q15, and Q31 data types. - */ - -/** - * @addtogroup cmplx_mag_squared - * @{ - */ - - -/** - * @brief Floating-point complex magnitude squared - * @param[in] *pSrc points to the complex input vector - * @param[out] *pDst points to the real output vector - * @param[in] numSamples number of complex samples in the input vector - * @return none. - */ - -void arm_cmplx_mag_squared_f32( - float32_t * pSrc, - float32_t * pDst, - uint32_t numSamples) -{ - float32_t real, imag; /* Temporary variables to store real and imaginary values */ - uint32_t blkCnt; /* loop counter */ - -#ifndef ARM_MATH_CM0_FAMILY - float32_t real1, real2, real3, real4; /* Temporary variables to hold real values */ - float32_t imag1, imag2, imag3, imag4; /* Temporary variables to hold imaginary values */ - float32_t mul1, mul2, mul3, mul4; /* Temporary variables */ - float32_t mul5, mul6, mul7, mul8; /* Temporary variables */ - float32_t out1, out2, out3, out4; /* Temporary variables to hold output values */ - - /*loop Unrolling */ - blkCnt = numSamples >> 2u; - - /* First part of the processing with loop unrolling. Compute 4 outputs at a time. - ** a second loop below computes the remaining 1 to 3 samples. */ - while(blkCnt > 0u) - { - /* C[0] = (A[0] * A[0] + A[1] * A[1]) */ - /* read real input sample from source buffer */ - real1 = pSrc[0]; - /* read imaginary input sample from source buffer */ - imag1 = pSrc[1]; - - /* calculate power of real value */ - mul1 = real1 * real1; - - /* read real input sample from source buffer */ - real2 = pSrc[2]; - - /* calculate power of imaginary value */ - mul2 = imag1 * imag1; - - /* read imaginary input sample from source buffer */ - imag2 = pSrc[3]; - - /* calculate power of real value */ - mul3 = real2 * real2; - - /* read real input sample from source buffer */ - real3 = pSrc[4]; - - /* calculate power of imaginary value */ - mul4 = imag2 * imag2; - - /* read imaginary input sample from source buffer */ - imag3 = pSrc[5]; - - /* calculate power of real value */ - mul5 = real3 * real3; - /* calculate power of imaginary value */ - mul6 = imag3 * imag3; - - /* read real input sample from source buffer */ - real4 = pSrc[6]; - - /* accumulate real and imaginary powers */ - out1 = mul1 + mul2; - - /* read imaginary input sample from source buffer */ - imag4 = pSrc[7]; - - /* accumulate real and imaginary powers */ - out2 = mul3 + mul4; - - /* calculate power of real value */ - mul7 = real4 * real4; - /* calculate power of imaginary value */ - mul8 = imag4 * imag4; - - /* store output to destination */ - pDst[0] = out1; - - /* accumulate real and imaginary powers */ - out3 = mul5 + mul6; - - /* store output to destination */ - pDst[1] = out2; - - /* accumulate real and imaginary powers */ - out4 = mul7 + mul8; - - /* store output to destination */ - pDst[2] = out3; - - /* increment destination pointer by 8 to process next samples */ - pSrc += 8u; - - /* store output to destination */ - pDst[3] = out4; - - /* increment destination pointer by 4 to process next samples */ - pDst += 4u; - - /* Decrement the loop counter */ - blkCnt--; - } - - /* If the numSamples is not a multiple of 4, compute any remaining output samples here. - ** No loop unrolling is used. */ - blkCnt = numSamples % 0x4u; - -#else - - /* Run the below code for Cortex-M0 */ - - blkCnt = numSamples; - -#endif /* #ifndef ARM_MATH_CM0_FAMILY */ - - while(blkCnt > 0u) - { - /* C[0] = (A[0] * A[0] + A[1] * A[1]) */ - real = *pSrc++; - imag = *pSrc++; - - /* out = (real * real) + (imag * imag) */ - /* store the result in the destination buffer. */ - *pDst++ = (real * real) + (imag * imag); - - /* Decrement the loop counter */ - blkCnt--; - } -} - -/** - * @} end of cmplx_mag_squared group - */ |