From 94f94260ace13688285fc8c62687079b26c18854 Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 20 Dec 2020 15:18:02 +0100 Subject: Submodule-cache WIP --- .../DSP/Source/SupportFunctions/arm_float_to_q31.c | 199 --------------------- 1 file changed, 199 deletions(-) delete mode 100644 fw/cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_float_to_q31.c (limited to 'fw/cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_float_to_q31.c') diff --git a/fw/cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_float_to_q31.c b/fw/cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_float_to_q31.c deleted file mode 100644 index 7ce1402..0000000 --- a/fw/cdc-dials/Drivers/CMSIS/DSP/Source/SupportFunctions/arm_float_to_q31.c +++ /dev/null @@ -1,199 +0,0 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_float_to_q31.c - * Description: Converts the elements of the floating-point vector to Q31 vector - * - * $Date: 27. January 2017 - * $Revision: V.1.5.1 - * - * Target Processor: Cortex-M cores - * -------------------------------------------------------------------- */ -/* - * Copyright (C) 2010-2017 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 groupSupport - */ - -/** - * @defgroup float_to_x Convert 32-bit floating point value - */ - -/** - * @addtogroup float_to_x - * @{ - */ - -/** - * @brief Converts the elements of the floating-point vector to Q31 vector. - * @param[in] *pSrc points to the floating-point input vector - * @param[out] *pDst points to the Q31 output vector - * @param[in] blockSize length of the input vector - * @return none. - * - *\par Description: - * \par - * The equation used for the conversion process is: - * - * 
- * 	pDst[n] = (q31_t)(pSrc[n] * 2147483648);   0 <= n < blockSize.
- *
- * Scaling and Overflow Behavior: - * \par - * The function uses saturating arithmetic. - * Results outside of the allowable Q31 range[0x80000000 0x7FFFFFFF] will be saturated. - * - * \note In order to apply rounding, the library should be rebuilt with the ROUNDING macro - * defined in the preprocessor section of project options. - */ - - -void arm_float_to_q31( - float32_t * pSrc, - q31_t * pDst, - uint32_t blockSize) -{ - float32_t *pIn = pSrc; /* Src pointer */ - uint32_t blkCnt; /* loop counter */ - -#ifdef ARM_MATH_ROUNDING - - float32_t in; - -#endif /* #ifdef ARM_MATH_ROUNDING */ - -#if defined (ARM_MATH_DSP) - - /* Run the below code for Cortex-M4 and Cortex-M3 */ - - /*loop Unrolling */ - blkCnt = blockSize >> 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) - { - -#ifdef ARM_MATH_ROUNDING - - /* C = A * 32768 */ - /* convert from float to Q31 and then store the results in the destination buffer */ - in = *pIn++; - in = (in * 2147483648.0f); - in += in > 0.0f ? 0.5f : -0.5f; - *pDst++ = clip_q63_to_q31((q63_t) (in)); - - in = *pIn++; - in = (in * 2147483648.0f); - in += in > 0.0f ? 0.5f : -0.5f; - *pDst++ = clip_q63_to_q31((q63_t) (in)); - - in = *pIn++; - in = (in * 2147483648.0f); - in += in > 0.0f ? 0.5f : -0.5f; - *pDst++ = clip_q63_to_q31((q63_t) (in)); - - in = *pIn++; - in = (in * 2147483648.0f); - in += in > 0.0f ? 0.5f : -0.5f; - *pDst++ = clip_q63_to_q31((q63_t) (in)); - -#else - - /* C = A * 2147483648 */ - /* convert from float to Q31 and then store the results in the destination buffer */ - *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f)); - *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f)); - *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f)); - *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f)); - -#endif /* #ifdef ARM_MATH_ROUNDING */ - - /* Decrement the loop counter */ - blkCnt--; - } - - /* If the blockSize is not a multiple of 4, compute any remaining output samples here. - ** No loop unrolling is used. */ - blkCnt = blockSize % 0x4U; - - while (blkCnt > 0U) - { - -#ifdef ARM_MATH_ROUNDING - - /* C = A * 2147483648 */ - /* convert from float to Q31 and then store the results in the destination buffer */ - in = *pIn++; - in = (in * 2147483648.0f); - in += in > 0.0f ? 0.5f : -0.5f; - *pDst++ = clip_q63_to_q31((q63_t) (in)); - -#else - - /* C = A * 2147483648 */ - /* convert from float to Q31 and then store the results in the destination buffer */ - *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f)); - -#endif /* #ifdef ARM_MATH_ROUNDING */ - - /* Decrement the loop counter */ - blkCnt--; - } - - -#else - - /* Run the below code for Cortex-M0 */ - - /* Loop over blockSize number of values */ - blkCnt = blockSize; - - while (blkCnt > 0U) - { - -#ifdef ARM_MATH_ROUNDING - - /* C = A * 2147483648 */ - /* convert from float to Q31 and then store the results in the destination buffer */ - in = *pIn++; - in = (in * 2147483648.0f); - in += in > 0 ? 0.5f : -0.5f; - *pDst++ = clip_q63_to_q31((q63_t) (in)); - -#else - - /* C = A * 2147483648 */ - /* convert from float to Q31 and then store the results in the destination buffer */ - *pDst++ = clip_q63_to_q31((q63_t) (*pIn++ * 2147483648.0f)); - -#endif /* #ifdef ARM_MATH_ROUNDING */ - - /* Decrement the loop counter */ - blkCnt--; - } - -#endif /* #if defined (ARM_MATH_DSP) */ - -} - -/** - * @} end of float_to_x group - */ -- cgit