From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001 From: joshua Date: Sat, 30 Dec 2023 23:54:31 -0500 Subject: initial commit --- .../MatrixFunctions/arm_mat_cmplx_mult_f32.c | 631 +++++++++++++++++++++ 1 file changed, 631 insertions(+) create mode 100644 Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c (limited to 'Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c') diff --git a/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c b/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c new file mode 100644 index 0000000..448122a --- /dev/null +++ b/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_cmplx_mult_f32.c @@ -0,0 +1,631 @@ +/* ---------------------------------------------------------------------- + * Project: CMSIS DSP Library + * Title: arm_mat_cmplx_mult_f32.c + * Description: Floating-point matrix multiplication + * + * $Date: 18. March 2019 + * $Revision: V1.6.0 + * + * Target Processor: Cortex-M cores + * -------------------------------------------------------------------- */ +/* + * Copyright (C) 2010-2019 ARM Limited or its affiliates. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#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 M x N matrix with an N x P matrix results + in an M x P matrix. + @par + When matrix size checking is enabled, the functions check: + - that the inner dimensions of pSrcA and pSrcB are equal; + - that the size of the output matrix equals the outer dimensions of pSrcA and pSrcB. + */ + + +/** + @addtogroup CmplxMatrixMult + @{ + */ + +/** + @brief Floating-point Complex matrix multiplication. + @param[in] pSrcA points to first input complex matrix structure + @param[in] pSrcB points to second input complex matrix structure + @param[out] pDst points to output complex matrix structure + @return execution status + - \ref ARM_MATH_SUCCESS : Operation successful + - \ref ARM_MATH_SIZE_MISMATCH : Matrix size check failed + */ +#if defined(ARM_MATH_NEON) +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, a1B,b1, b1B, c1, d1; + float32_t sumReal2, sumImag2; /* accumulator */ + + + float32x4x2_t a0V, a1V; + float32x4_t accR0,accI0, accR1,accI1,tempR, tempI; + float32x2_t accum = vdup_n_f32(0); + float32_t *pIn1B = pSrcA->pData; + + uint16_t col, i = 0U, j, rowCnt, row = numRowsA, colCnt; /* loop counters */ + arm_status status; /* status of matrix multiplication */ + float32_t sumReal1B, sumImag1B; + float32_t sumReal2B, sumImag2B; + float32_t *pxB; + +#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 */ + + rowCnt = row >> 1; + + /* Row loop */ + while (rowCnt > 0U) + { + /* Output pointer is set to starting address of the row being processed */ + px = pOut + 2 * i; + pxB = px + 2 * numColsB; + + /* 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 */ + while (col > 0U) + { + /* Set the variable sum, that acts as accumulator, to zero */ + sumReal1 = 0.0f; + sumImag1 = 0.0f; + sumReal1B = 0.0f; + sumImag1B = 0.0f; + + sumReal2 = 0.0f; + sumImag2 = 0.0f; + sumReal2B = 0.0f; + sumImag2B = 0.0f; + + /* Initiate the pointer pIn1 to point to the starting address of the column being processed */ + pIn1 = pInA; + pIn1B = pIn1 + 2*numColsA; + + accR0 = vdupq_n_f32(0.0); + accI0 = vdupq_n_f32(0.0); + accR1 = vdupq_n_f32(0.0); + accI1 = vdupq_n_f32(0.0); + + /* Compute 4 MACs simultaneously. */ + colCnt = numColsA >> 2; + + /* Matrix multiplication */ + while (colCnt > 0U) + { + /* Reading real part of complex matrix A */ + a0V = vld2q_f32(pIn1); // load & separate real/imag pSrcA (de-interleave 2) + a1V = vld2q_f32(pIn1B); // load & separate real/imag pSrcA (de-interleave 2) + + pIn1 += 8; + pIn1B += 8; + + tempR[0] = *pIn2; + tempI[0] = *(pIn2 + 1U); + pIn2 += 2 * numColsB; + + tempR[1] = *pIn2; + tempI[1] = *(pIn2 + 1U); + pIn2 += 2 * numColsB; + + tempR[2] = *pIn2; + tempI[2] = *(pIn2 + 1U); + pIn2 += 2 * numColsB; + + tempR[3] = *pIn2; + tempI[3] = *(pIn2 + 1U); + pIn2 += 2 * numColsB; + + accR0 = vmlaq_f32(accR0,a0V.val[0],tempR); + accR0 = vmlsq_f32(accR0,a0V.val[1],tempI); + + accI0 = vmlaq_f32(accI0,a0V.val[1],tempR); + accI0 = vmlaq_f32(accI0,a0V.val[0],tempI); + + accR1 = vmlaq_f32(accR1,a1V.val[0],tempR); + accR1 = vmlsq_f32(accR1,a1V.val[1],tempI); + + accI1 = vmlaq_f32(accI1,a1V.val[1],tempR); + accI1 = vmlaq_f32(accI1,a1V.val[0],tempI); + + /* Decrement the loop count */ + colCnt--; + } + + accum = vpadd_f32(vget_low_f32(accR0), vget_high_f32(accR0)); + sumReal1 += accum[0] + accum[1]; + + accum = vpadd_f32(vget_low_f32(accI0), vget_high_f32(accI0)); + sumImag1 += accum[0] + accum[1]; + + accum = vpadd_f32(vget_low_f32(accR1), vget_high_f32(accR1)); + sumReal1B += accum[0] + accum[1]; + + accum = vpadd_f32(vget_low_f32(accI1), vget_high_f32(accI1)); + sumImag1B += accum[0] + accum[1]; + + /* If the columns of pSrcA is not a multiple of 4, compute any remaining MACs here. + ** No loop unrolling is used. */ + colCnt = numColsA & 3; + + 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; + a1B = *pIn1B; + + c1 = *pIn2; + + b1 = *(pIn1 + 1U); + b1B = *(pIn1B + 1U); + + d1 = *(pIn2 + 1U); + + sumReal1 += a1 * c1; + sumImag1 += b1 * c1; + + sumReal1B += a1B * c1; + sumImag1B += b1B * c1; + + pIn1 += 2U; + pIn1B += 2U; + pIn2 += 2 * numColsB; + + sumReal2 -= b1 * d1; + sumImag2 += a1 * d1; + + sumReal2B -= b1B * d1; + sumImag2B += a1B * d1; + + /* Decrement the loop counter */ + colCnt--; + } + + sumReal1 += sumReal2; + sumImag1 += sumImag2; + + sumReal1B += sumReal2B; + sumImag1B += sumImag2B; + + /* Store the result in the destination buffer */ + *px++ = sumReal1; + *px++ = sumImag1; + *pxB++ = sumReal1B; + *pxB++ = sumImag1B; + + /* 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--; + } + + /* Update the pointer pInA to point to the starting address of the next 2 row */ + i = i + 2*numColsB; + pInA = pInA + 4 * numColsA; + + /* Decrement the row loop counter */ + rowCnt--; + } + + rowCnt = row & 1; + while (rowCnt > 0U) + { + /* 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 */ + while (col > 0U) + { + /* 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; + + accR0 = vdupq_n_f32(0.0); + accI0 = vdupq_n_f32(0.0); + + /* Compute 4 MACs simultaneously. */ + colCnt = numColsA >> 2; + + /* Matrix multiplication */ + while (colCnt > 0U) + { + /* Reading real part of complex matrix A */ + a0V = vld2q_f32(pIn1); // load & separate real/imag pSrcA (de-interleave 2) + pIn1 += 8; + + tempR[0] = *pIn2; + tempI[0] = *(pIn2 + 1U); + pIn2 += 2 * numColsB; + + tempR[1] = *pIn2; + tempI[1] = *(pIn2 + 1U); + pIn2 += 2 * numColsB; + + tempR[2] = *pIn2; + tempI[2] = *(pIn2 + 1U); + pIn2 += 2 * numColsB; + + tempR[3] = *pIn2; + tempI[3] = *(pIn2 + 1U); + pIn2 += 2 * numColsB; + + accR0 = vmlaq_f32(accR0,a0V.val[0],tempR); + accR0 = vmlsq_f32(accR0,a0V.val[1],tempI); + + accI0 = vmlaq_f32(accI0,a0V.val[1],tempR); + accI0 = vmlaq_f32(accI0,a0V.val[0],tempI); + + /* Decrement the loop count */ + colCnt--; + } + + accum = vpadd_f32(vget_low_f32(accR0), vget_high_f32(accR0)); + sumReal1 += accum[0] + accum[1]; + + accum = vpadd_f32(vget_low_f32(accI0), vget_high_f32(accI0)); + sumImag1 += accum[0] + accum[1]; + + /* If the columns of pSrcA is not a multiple of 4, compute any remaining MACs here. + ** No loop unrolling is used. */ + colCnt = numColsA & 3; + + 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--; + + } + + /* 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 */ + rowCnt--; + + } + + /* Set status as ARM_MATH_SUCCESS */ + status = ARM_MATH_SUCCESS; + } + + /* Return to application */ + return (status); +} +#else +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 sumReal, sumImag; /* Accumulator */ + float32_t a1, b1, c1, d1; + uint32_t col, i = 0U, j, row = numRowsA, colCnt; /* loop counters */ + arm_status status; /* status of matrix multiplication */ + +#if defined (ARM_MATH_LOOPUNROLL) + float32_t a0, b0, c0, d0; +#endif + +#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 */ + sumReal = 0.0f; + sumImag = 0.0f; + + /* Initiate pointer pIn1 to point to starting address of column being processed */ + pIn1 = pInA; + +#if defined (ARM_MATH_LOOPUNROLL) + + /* Apply loop unrolling and compute 4 MACs simultaneously. */ + colCnt = numColsA >> 2U; + + /* 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); + + /* Multiply and Accumlates */ + sumReal += a0 * c0; + sumImag += b0 * c0; + + /* update pointers */ + pIn1 += 2U; + pIn2 += 2 * numColsB; + + /* Multiply and Accumlates */ + sumReal -= b0 * d0; + sumImag += a0 * d0; + + /* c(m,n) = a(1,1) * b(1,1) + a(1,2) * b(2,1) + .... + a(m,p) * b(p,n) */ + + /* read real and imag values from pSrcA and pSrcB buffer */ + a1 = *(pIn1 ); + c1 = *(pIn2 ); + b1 = *(pIn1 + 1U); + d1 = *(pIn2 + 1U); + + /* Multiply and Accumlates */ + sumReal += a1 * c1; + sumImag += b1 * c1; + + /* update pointers */ + pIn1 += 2U; + pIn2 += 2 * numColsB; + + /* Multiply and Accumlates */ + sumReal -= b1 * d1; + sumImag += a1 * d1; + + a0 = *(pIn1 ); + c0 = *(pIn2 ); + b0 = *(pIn1 + 1U); + d0 = *(pIn2 + 1U); + + /* Multiply and Accumlates */ + sumReal += a0 * c0; + sumImag += b0 * c0; + + /* update pointers */ + pIn1 += 2U; + pIn2 += 2 * numColsB; + + /* Multiply and Accumlates */ + sumReal -= b0 * d0; + sumImag += 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); + + /* Multiply and Accumlates */ + sumReal += a1 * c1; + sumImag += b1 * c1; + + /* update pointers */ + pIn1 += 2U; + pIn2 += 2 * numColsB; + + /* Multiply and Accumlates */ + sumReal -= b1 * d1; + sumImag += a1 * d1; + + /* Decrement 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; + +#else + + /* Initialize blkCnt with number of samples */ + colCnt = numColsA; + +#endif /* #if defined (ARM_MATH_LOOPUNROLL) */ + + 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); + + /* Multiply and Accumlates */ + sumReal += a1 * c1; + sumImag += b1 * c1; + + /* update pointers */ + pIn1 += 2U; + pIn2 += 2 * numColsB; + + /* Multiply and Accumlates */ + sumReal -= b1 * d1; + sumImag += a1 * d1; + + /* Decrement loop counter */ + colCnt--; + } + + /* Store result in destination buffer */ + *px++ = sumReal; + *px++ = sumImag; + + /* Update pointer pIn2 to point to starting address of next column */ + j++; + pIn2 = pSrcB->pData + 2U * j; + + /* Decrement column loop counter */ + col--; + + } while (col > 0U); + + /* Update pointer pInA to point to starting address of next row */ + i = i + numColsB; + pInA = pInA + 2 * numColsA; + + /* Decrement row loop counter */ + row--; + + } while (row > 0U); + + /* Set status as ARM_MATH_SUCCESS */ + status = ARM_MATH_SUCCESS; + } + + /* Return to application */ + return (status); +} + +#endif /* #if defined(ARM_MATH_NEON) */ + +/** + @} end of MatrixMult group + */ -- cgit v1.2.3