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_mult_real_q15.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_mult_real_q15.c')
-rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q15.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q15.c b/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q15.c deleted file mode 100644 index 0bba423630..0000000000 --- a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/ComplexMathFunctions/arm_cmplx_mult_real_q15.c +++ /dev/null @@ -1,203 +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_mult_real_q15.c -* -* Description: Q15 complex by real multiplication -* -* 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 - */ - -/** - * @addtogroup CmplxByRealMult - * @{ - */ - - -/** - * @brief Q15 complex-by-real multiplication - * @param[in] *pSrcCmplx points to the complex input vector - * @param[in] *pSrcReal points to the real input vector - * @param[out] *pCmplxDst points to the complex output vector - * @param[in] numSamples number of samples in each vector - * @return none. - * - * <b>Scaling and Overflow Behavior:</b> - * \par - * The function uses saturating arithmetic. - * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated. - */ - -void arm_cmplx_mult_real_q15( - q15_t * pSrcCmplx, - q15_t * pSrcReal, - q15_t * pCmplxDst, - uint32_t numSamples) -{ - q15_t in; /* Temporary variable to store input value */ - -#ifndef ARM_MATH_CM0_FAMILY - - /* Run the below code for Cortex-M4 and Cortex-M3 */ - uint32_t blkCnt; /* loop counters */ - q31_t inA1, inA2; /* Temporary variables to hold input data */ - q31_t inB1; /* Temporary variables to hold input data */ - q15_t out1, out2, out3, out4; /* Temporary variables to hold output data */ - q31_t mul1, mul2, mul3, mul4; /* Temporary variables to hold intermediate data */ - - /* 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[2 * i] = A[2 * i] * B[i]. */ - /* C[2 * i + 1] = A[2 * i + 1] * B[i]. */ - /* read complex number both real and imaginary from complex input buffer */ - inA1 = *__SIMD32(pSrcCmplx)++; - /* read two real values at a time from real input buffer */ - inB1 = *__SIMD32(pSrcReal)++; - /* read complex number both real and imaginary from complex input buffer */ - inA2 = *__SIMD32(pSrcCmplx)++; - - /* multiply complex number with real numbers */ -#ifndef ARM_MATH_BIG_ENDIAN - - mul1 = (q31_t) ((q15_t) (inA1) * (q15_t) (inB1)); - mul2 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1)); - mul3 = (q31_t) ((q15_t) (inA2) * (q15_t) (inB1 >> 16)); - mul4 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) (inB1 >> 16)); - -#else - - mul2 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1 >> 16)); - mul1 = (q31_t) ((q15_t) inA1 * (q15_t) (inB1 >> 16)); - mul4 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) inB1); - mul3 = (q31_t) ((q15_t) inA2 * (q15_t) inB1); - -#endif // #ifndef ARM_MATH_BIG_ENDIAN - - /* saturate the result */ - out1 = (q15_t) __SSAT(mul1 >> 15u, 16); - out2 = (q15_t) __SSAT(mul2 >> 15u, 16); - out3 = (q15_t) __SSAT(mul3 >> 15u, 16); - out4 = (q15_t) __SSAT(mul4 >> 15u, 16); - - /* pack real and imaginary outputs and store them to destination */ - *__SIMD32(pCmplxDst)++ = __PKHBT(out1, out2, 16); - *__SIMD32(pCmplxDst)++ = __PKHBT(out3, out4, 16); - - inA1 = *__SIMD32(pSrcCmplx)++; - inB1 = *__SIMD32(pSrcReal)++; - inA2 = *__SIMD32(pSrcCmplx)++; - -#ifndef ARM_MATH_BIG_ENDIAN - - mul1 = (q31_t) ((q15_t) (inA1) * (q15_t) (inB1)); - mul2 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1)); - mul3 = (q31_t) ((q15_t) (inA2) * (q15_t) (inB1 >> 16)); - mul4 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) (inB1 >> 16)); - -#else - - mul2 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1 >> 16)); - mul1 = (q31_t) ((q15_t) inA1 * (q15_t) (inB1 >> 16)); - mul4 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) inB1); - mul3 = (q31_t) ((q15_t) inA2 * (q15_t) inB1); - -#endif // #ifndef ARM_MATH_BIG_ENDIAN - - out1 = (q15_t) __SSAT(mul1 >> 15u, 16); - out2 = (q15_t) __SSAT(mul2 >> 15u, 16); - out3 = (q15_t) __SSAT(mul3 >> 15u, 16); - out4 = (q15_t) __SSAT(mul4 >> 15u, 16); - - *__SIMD32(pCmplxDst)++ = __PKHBT(out1, out2, 16); - *__SIMD32(pCmplxDst)++ = __PKHBT(out3, out4, 16); - - /* Decrement the numSamples 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; - - while(blkCnt > 0u) - { - /* C[2 * i] = A[2 * i] * B[i]. */ - /* C[2 * i + 1] = A[2 * i + 1] * B[i]. */ - in = *pSrcReal++; - /* store the result in the destination buffer. */ - *pCmplxDst++ = - (q15_t) __SSAT((((q31_t) (*pSrcCmplx++) * (in)) >> 15), 16); - *pCmplxDst++ = - (q15_t) __SSAT((((q31_t) (*pSrcCmplx++) * (in)) >> 15), 16); - - /* Decrement the numSamples loop counter */ - blkCnt--; - } - -#else - - /* Run the below code for Cortex-M0 */ - - while(numSamples > 0u) - { - /* realOut = realA * realB. */ - /* imagOut = imagA * realB. */ - in = *pSrcReal++; - /* store the result in the destination buffer. */ - *pCmplxDst++ = - (q15_t) __SSAT((((q31_t) (*pSrcCmplx++) * (in)) >> 15), 16); - *pCmplxDst++ = - (q15_t) __SSAT((((q31_t) (*pSrcCmplx++) * (in)) >> 15), 16); - - /* Decrement the numSamples loop counter */ - numSamples--; - } - -#endif /* #ifndef ARM_MATH_CM0_FAMILY */ - -} - -/** - * @} end of CmplxByRealMult group - */ |