diff options
author | Clyne Sullivan <clyne@bitgloo.com> | 2025-02-02 11:26:53 -0500 |
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committer | Clyne Sullivan <clyne@bitgloo.com> | 2025-02-02 11:26:53 -0500 |
commit | 9c59a184dba820975e5da6fcd5d248aee87f7e2f (patch) | |
tree | 6b30516adc2ba0f7b0a8f5fb5d2e6966c03108d8 /Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_f32.c | |
parent | d09f4289b5788d6a8b34e424841292e2b8529e56 (diff) |
add l476 implementationl476
Diffstat (limited to 'Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_f32.c')
-rw-r--r-- | Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_f32.c | 343 |
1 files changed, 147 insertions, 196 deletions
diff --git a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_f32.c b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_f32.c index a68df05..aef5d41 100644 --- a/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_f32.c +++ b/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_f32.c @@ -1,196 +1,147 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_offset_f32.c - * Description: Floating-point vector offset - * - * $Date: 23 April 2021 - * $Revision: V1.9.0 - * - * Target Processor: Cortex-M and Cortex-A cores - * -------------------------------------------------------------------- */ -/* - * Copyright (C) 2010-2021 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 "dsp/basic_math_functions.h" - -/** - @ingroup groupMath - */ - -/** - @defgroup BasicOffset Vector Offset - - Adds a constant offset to each element of a vector. - - <pre> - pDst[n] = pSrc[n] + offset, 0 <= n < blockSize. - </pre> - - The functions support in-place computation allowing the source and - destination pointers to reference the same memory buffer. - There are separate functions for floating-point, Q7, Q15, and Q31 data types. - */ - -/** - @addtogroup BasicOffset - @{ - */ - -/** - @brief Adds a constant offset to a floating-point vector. - @param[in] pSrc points to the input vector - @param[in] offset is the offset to be added - @param[out] pDst points to the output vector - @param[in] blockSize number of samples in each vector - @return none - */ - -#if defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) - -#include "arm_helium_utils.h" - -void arm_offset_f32( - const float32_t * pSrc, - float32_t offset, - float32_t * pDst, - uint32_t blockSize) -{ - uint32_t blkCnt; /* Loop counter */ - - f32x4_t vec1; - f32x4_t res; - - /* Compute 4 outputs at a time */ - blkCnt = blockSize >> 2U; - while (blkCnt > 0U) - { - /* C = A + offset */ - - /* Add offset and then store the results in the destination buffer. */ - vec1 = vld1q(pSrc); - res = vaddq(vec1,offset); - vst1q(pDst, res); - - /* Increment pointers */ - pSrc += 4; - pDst += 4; - - /* Decrement the loop counter */ - blkCnt--; - } - - /* Tail */ - blkCnt = blockSize & 0x3; - - if (blkCnt > 0U) - { - mve_pred16_t p0 = vctp32q(blkCnt); - vec1 = vld1q((float32_t const *) pSrc); - vstrwq_p(pDst, vaddq(vec1, offset), p0); - } - - -} - -#else -void arm_offset_f32( - const float32_t * pSrc, - float32_t offset, - float32_t * pDst, - uint32_t blockSize) -{ - uint32_t blkCnt; /* Loop counter */ - -#if defined(ARM_MATH_NEON_EXPERIMENTAL) && !defined(ARM_MATH_AUTOVECTORIZE) - f32x4_t vec1; - f32x4_t res; - - /* Compute 4 outputs at a time */ - blkCnt = blockSize >> 2U; - - while (blkCnt > 0U) - { - /* C = A + offset */ - - /* Add offset and then store the results in the destination buffer. */ - vec1 = vld1q_f32(pSrc); - res = vaddq_f32(vec1,vdupq_n_f32(offset)); - vst1q_f32(pDst, res); - - /* Increment pointers */ - pSrc += 4; - pDst += 4; - - /* Decrement the loop counter */ - blkCnt--; - } - - /* Tail */ - blkCnt = blockSize & 0x3; - -#else -#if defined (ARM_MATH_LOOPUNROLL) && !defined(ARM_MATH_AUTOVECTORIZE) - - /* Loop unrolling: Compute 4 outputs at a time */ - blkCnt = blockSize >> 2U; - - while (blkCnt > 0U) - { - /* C = A + offset */ - - /* Add offset and store result in destination buffer. */ - *pDst++ = (*pSrc++) + offset; - - *pDst++ = (*pSrc++) + offset; - - *pDst++ = (*pSrc++) + offset; - - *pDst++ = (*pSrc++) + offset; - - /* Decrement loop counter */ - blkCnt--; - } - - /* Loop unrolling: Compute remaining outputs */ - blkCnt = blockSize % 0x4U; - -#else - - /* Initialize blkCnt with number of samples */ - blkCnt = blockSize; - -#endif /* #if defined (ARM_MATH_LOOPUNROLL) */ -#endif /* #if defined(ARM_MATH_NEON_EXPERIMENTAL) */ - - while (blkCnt > 0U) - { - /* C = A + offset */ - - /* Add offset and store result in destination buffer. */ - *pDst++ = (*pSrc++) + offset; - - /* Decrement loop counter */ - blkCnt--; - } - -} -#endif /* defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) */ - -/** - @} end of BasicOffset group - */ +/* ----------------------------------------------------------------------
+ * Project: CMSIS DSP Library
+ * Title: arm_offset_f32.c
+ * Description: Floating-point vector offset
+ *
+ * $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 groupMath
+ */
+
+/**
+ @defgroup BasicOffset Vector Offset
+
+ Adds a constant offset to each element of a vector.
+
+ <pre>
+ pDst[n] = pSrc[n] + offset, 0 <= n < blockSize.
+ </pre>
+
+ The functions support in-place computation allowing the source and
+ destination pointers to reference the same memory buffer.
+ There are separate functions for floating-point, Q7, Q15, and Q31 data types.
+ */
+
+/**
+ @addtogroup BasicOffset
+ @{
+ */
+
+/**
+ @brief Adds a constant offset to a floating-point vector.
+ @param[in] pSrc points to the input vector
+ @param[in] offset is the offset to be added
+ @param[out] pDst points to the output vector
+ @param[in] blockSize number of samples in each vector
+ @return none
+ */
+
+void arm_offset_f32(
+ const float32_t * pSrc,
+ float32_t offset,
+ float32_t * pDst,
+ uint32_t blockSize)
+{
+ uint32_t blkCnt; /* Loop counter */
+
+#if defined(ARM_MATH_NEON_EXPERIMENTAL)
+ float32x4_t vec1;
+ float32x4_t res;
+
+ /* Compute 4 outputs at a time */
+ blkCnt = blockSize >> 2U;
+
+ while (blkCnt > 0U)
+ {
+ /* C = A + offset */
+
+ /* Add offset and then store the results in the destination buffer. */
+ vec1 = vld1q_f32(pSrc);
+ res = vaddq_f32(vec1,vdupq_n_f32(offset));
+ vst1q_f32(pDst, res);
+
+ /* Increment pointers */
+ pSrc += 4;
+ pDst += 4;
+
+ /* Decrement the loop counter */
+ blkCnt--;
+ }
+
+ /* Tail */
+ blkCnt = blockSize & 0x3;
+
+#else
+#if defined (ARM_MATH_LOOPUNROLL)
+
+ /* Loop unrolling: Compute 4 outputs at a time */
+ blkCnt = blockSize >> 2U;
+
+ while (blkCnt > 0U)
+ {
+ /* C = A + offset */
+
+ /* Add offset and store result in destination buffer. */
+ *pDst++ = (*pSrc++) + offset;
+
+ *pDst++ = (*pSrc++) + offset;
+
+ *pDst++ = (*pSrc++) + offset;
+
+ *pDst++ = (*pSrc++) + offset;
+
+ /* Decrement loop counter */
+ blkCnt--;
+ }
+
+ /* Loop unrolling: Compute remaining outputs */
+ blkCnt = blockSize % 0x4U;
+
+#else
+
+ /* Initialize blkCnt with number of samples */
+ blkCnt = blockSize;
+
+#endif /* #if defined (ARM_MATH_LOOPUNROLL) */
+#endif /* #if defined(ARM_MATH_NEON_EXPERIMENTAL) */
+
+ while (blkCnt > 0U)
+ {
+ /* C = A + offset */
+
+ /* Add offset and store result in destination buffer. */
+ *pDst++ = (*pSrc++) + offset;
+
+ /* Decrement loop counter */
+ blkCnt--;
+ }
+
+}
+
+/**
+ @} end of BasicOffset group
+ */
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