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Diffstat (limited to 'DSP_Lib/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c')
-rw-r--r-- | DSP_Lib/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/DSP_Lib/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c b/DSP_Lib/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c deleted file mode 100644 index dd41e7c..0000000 --- a/DSP_Lib/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c +++ /dev/null @@ -1,283 +0,0 @@ -/* ---------------------------------------------------------------------- -* Copyright (C) 2010-2014 ARM Limited. All rights reserved. -* -* $Date: 19. March 2015 -* $Revision: V.1.4.5 -* -* Project: CMSIS DSP Library -* Title: arm_mat_cmplx_mult_f32.c -* -* Description: Floating-point matrix 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 groupMatrix - */ - -/** - * @defgroup CmplxMatrixMult Complex Matrix Multiplication - * - * Complex Matrix multiplication is only defined if the number of columns of the - * first matrix equals the number of rows of the second matrix. - * Multiplying an <code>M x N</code> matrix with an <code>N x P</code> matrix results - * in an <code>M x P</code> matrix. - * When matrix size checking is enabled, the functions check: (1) that the inner dimensions of - * <code>pSrcA</code> and <code>pSrcB</code> are equal; and (2) that the size of the output - * matrix equals the outer dimensions of <code>pSrcA</code> and <code>pSrcB</code>. - */ - - -/** - * @addtogroup CmplxMatrixMult - * @{ - */ - -/** - * @brief Floating-point Complex matrix multiplication. - * @param[in] *pSrcA points to the first input complex matrix structure - * @param[in] *pSrcB points to the second input complex matrix structure - * @param[out] *pDst points to output complex matrix structure - * @return The function returns either - * <code>ARM_MATH_SIZE_MISMATCH</code> or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking. - */ - -arm_status arm_mat_cmplx_mult_f32( - const arm_matrix_instance_f32 * pSrcA, - const arm_matrix_instance_f32 * pSrcB, - arm_matrix_instance_f32 * pDst) -{ - float32_t *pIn1 = pSrcA->pData; /* input data matrix pointer A */ - float32_t *pIn2 = pSrcB->pData; /* input data matrix pointer B */ - float32_t *pInA = pSrcA->pData; /* input data matrix pointer A */ - float32_t *pOut = pDst->pData; /* output data matrix pointer */ - float32_t *px; /* Temporary output data matrix pointer */ - uint16_t numRowsA = pSrcA->numRows; /* number of rows of input matrix A */ - uint16_t numColsB = pSrcB->numCols; /* number of columns of input matrix B */ - uint16_t numColsA = pSrcA->numCols; /* number of columns of input matrix A */ - float32_t sumReal1, sumImag1; /* accumulator */ - float32_t a0, b0, c0, d0; - float32_t a1, b1, c1, d1; - float32_t sumReal2, sumImag2; /* accumulator */ - - - /* Run the below code for Cortex-M4 and Cortex-M3 */ - - uint16_t col, i = 0u, j, row = numRowsA, colCnt; /* loop counters */ - arm_status status; /* status of matrix multiplication */ - -#ifdef ARM_MATH_MATRIX_CHECK - - - /* Check for matrix mismatch condition */ - if((pSrcA->numCols != pSrcB->numRows) || - (pSrcA->numRows != pDst->numRows) || (pSrcB->numCols != pDst->numCols)) - { - - /* Set status as ARM_MATH_SIZE_MISMATCH */ - status = ARM_MATH_SIZE_MISMATCH; - } - else -#endif /* #ifdef ARM_MATH_MATRIX_CHECK */ - - { - /* The following loop performs the dot-product of each row in pSrcA with each column in pSrcB */ - /* row loop */ - do - { - /* Output pointer is set to starting address of the row being processed */ - px = pOut + 2 * i; - - /* For every row wise process, the column loop counter is to be initiated */ - col = numColsB; - - /* For every row wise process, the pIn2 pointer is set - ** to the starting address of the pSrcB data */ - pIn2 = pSrcB->pData; - - j = 0u; - - /* column loop */ - do - { - /* Set the variable sum, that acts as accumulator, to zero */ - sumReal1 = 0.0f; - sumImag1 = 0.0f; - - sumReal2 = 0.0f; - sumImag2 = 0.0f; - - /* Initiate the pointer pIn1 to point to the starting address of the column being processed */ - pIn1 = pInA; - - /* Apply loop unrolling and compute 4 MACs simultaneously. */ - colCnt = numColsA >> 2; - - /* matrix multiplication */ - while(colCnt > 0u) - { - - /* Reading real part of complex matrix A */ - a0 = *pIn1; - - /* Reading real part of complex matrix B */ - c0 = *pIn2; - - /* Reading imaginary part of complex matrix A */ - b0 = *(pIn1 + 1u); - - /* Reading imaginary part of complex matrix B */ - d0 = *(pIn2 + 1u); - - sumReal1 += a0 * c0; - sumImag1 += b0 * c0; - - pIn1 += 2u; - pIn2 += 2 * numColsB; - - sumReal2 -= b0 * d0; - sumImag2 += a0 * d0; - - /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */ - - a1 = *pIn1; - c1 = *pIn2; - - b1 = *(pIn1 + 1u); - d1 = *(pIn2 + 1u); - - sumReal1 += a1 * c1; - sumImag1 += b1 * c1; - - pIn1 += 2u; - pIn2 += 2 * numColsB; - - sumReal2 -= b1 * d1; - sumImag2 += a1 * d1; - - a0 = *pIn1; - c0 = *pIn2; - - b0 = *(pIn1 + 1u); - d0 = *(pIn2 + 1u); - - sumReal1 += a0 * c0; - sumImag1 += b0 * c0; - - pIn1 += 2u; - pIn2 += 2 * numColsB; - - sumReal2 -= b0 * d0; - sumImag2 += a0 * d0; - - /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */ - - a1 = *pIn1; - c1 = *pIn2; - - b1 = *(pIn1 + 1u); - d1 = *(pIn2 + 1u); - - sumReal1 += a1 * c1; - sumImag1 += b1 * c1; - - pIn1 += 2u; - pIn2 += 2 * numColsB; - - sumReal2 -= b1 * d1; - sumImag2 += a1 * d1; - - /* Decrement the loop count */ - colCnt--; - } - - /* If the columns of pSrcA is not a multiple of 4, compute any remaining MACs here. - ** No loop unrolling is used. */ - colCnt = numColsA % 0x4u; - - while(colCnt > 0u) - { - /* c(m,n) = a(1,1)*b(1,1) + a(1,2) * b(2,1) + .... + a(m,p)*b(p,n) */ - a1 = *pIn1; - c1 = *pIn2; - - b1 = *(pIn1 + 1u); - d1 = *(pIn2 + 1u); - - sumReal1 += a1 * c1; - sumImag1 += b1 * c1; - - pIn1 += 2u; - pIn2 += 2 * numColsB; - - sumReal2 -= b1 * d1; - sumImag2 += a1 * d1; - - /* Decrement the loop counter */ - colCnt--; - } - - sumReal1 += sumReal2; - sumImag1 += sumImag2; - - /* Store the result in the destination buffer */ - *px++ = sumReal1; - *px++ = sumImag1; - - /* Update the pointer pIn2 to point to the starting address of the next column */ - j++; - pIn2 = pSrcB->pData + 2u * j; - - /* Decrement the column loop counter */ - col--; - - } while(col > 0u); - - /* Update the pointer pInA to point to the starting address of the next row */ - i = i + numColsB; - pInA = pInA + 2 * numColsA; - - /* Decrement the row loop counter */ - row--; - - } while(row > 0u); - - /* Set status as ARM_MATH_SUCCESS */ - status = ARM_MATH_SUCCESS; - } - - /* Return to application */ - return (status); -} - -/** - * @} end of MatrixMult group - */ |