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authorJanHenrik <janhenrik@janhenrik.org>2020-04-01 00:40:03 +0200
committerJanHenrik <janhenrik@janhenrik.org>2020-04-01 00:40:03 +0200
commitf7de54fc6fa6b40dfa2dfbe4c2a8ee933affa126 (patch)
tree78465e38a01011dc9f17eb73416011310532017f /midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_nn_mult_ref.c
parent3ec13d81e70e52246545c720abe756ccf09fb231 (diff)
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diff --git a/midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_nn_mult_ref.c b/midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_nn_mult_ref.c
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+++ b/midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_nn_mult_ref.c
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+/*
+ * Copyright (C) 2010-2018 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"
+#include "arm_nnfunctions.h"
+
+void arm_nn_mult_q7_ref(q7_t * pSrcA,
+ q7_t * pSrcB,
+ q7_t * pDst,
+ const uint16_t out_shift,
+ uint32_t blockSize) {
+ uint16_t i;
+
+for (i = 0; i < blockSize; i++)
+ {
+ q31_t product = pSrcA[i] * pSrcB[i];
+#ifndef ARM_NN_TRUNCATE
+ pDst[i] = (q7_t)__SSAT((product + (0x1 << (out_shift - 1)))>>out_shift, 8);
+#else
+ pDst[i] = (q7_t)__SSAT(product >> out_shift, 8);
+#endif
+ }
+}
+
+void arm_nn_mult_q15_ref(q15_t * pSrcA,
+ q15_t * pSrcB,
+ q15_t * pDst,
+ const uint16_t out_shift,
+ uint32_t blockSize) {
+ uint16_t i;
+
+for (i = 0; i < blockSize; i++)
+ {
+ q31_t product = pSrcA[i] * pSrcB[i];
+#ifndef ARM_NN_TRUNCATE
+ pDst[i] = (q15_t)__SSAT((product + (0x1 << (out_shift - 1)))>>out_shift, 16);
+#else
+ pDst[i] = (q15_t)__SSAT(product >> out_shift, 16);
+#endif
+
+
+ }
+}