From aa38e5c1f48e31213ee349aa5cd6f06c85bda70d Mon Sep 17 00:00:00 2001
From: android <android@lingyun.com>
Date: Tue, 25 Jun 2024 21:49:39 +0800
Subject: [PATCH] Add GD32F103RCT6 ADC converter board SDK source code

---
 mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/Common/inc/math_helper.h |   52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 52 insertions(+), 0 deletions(-)

diff --git a/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/Common/inc/math_helper.h b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/Common/inc/math_helper.h
new file mode 100644
index 0000000..1ca7acb
--- /dev/null
+++ b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/Common/inc/math_helper.h
@@ -0,0 +1,52 @@
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010 ARM Limited. All rights reserved.
+*
+* $Date:        29. November 2010
+* $Revision:    V1.0.3
+*
+* Project:      CMSIS DSP Library
+*
+* Title:        math_helper.h
+*
+*
+* Description:	Prototypes of all helper functions required.
+*
+* Target Processor: Cortex-M4/Cortex-M3
+*
+* Version 1.0.3 2010/11/29
+*    Re-organized the CMSIS folders and updated documentation.
+*
+* Version 1.0.2 2010/11/11
+*    Documentation updated.
+*
+* Version 1.0.1 2010/10/05
+*    Production release and review comments incorporated.
+*
+* Version 1.0.0 2010/09/20
+*    Production release and review comments incorporated.
+*
+* Version 0.0.7  2010/06/10
+*    Misra-C changes done
+* -------------------------------------------------------------------- */
+
+#ifndef MATH_HELPER_H
+#define MATH_HELPER_H
+
+#include "arm_math.h"
+
+float arm_snr_f32(float *pRef, float *pTest,  uint32_t buffSize);
+double arm_snr_f64(double *pRef, double *pTest,  uint32_t buffSize);
+void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples);
+void arm_provide_guard_bits_q15(q15_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
+void arm_provide_guard_bits_q31(q31_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
+void arm_float_to_q14(float *pIn, q15_t *pOut, uint32_t numSamples);
+void arm_float_to_q29(float *pIn, q31_t *pOut, uint32_t numSamples);
+void arm_float_to_q28(float *pIn, q31_t *pOut, uint32_t numSamples);
+void arm_float_to_q30(float *pIn, q31_t *pOut, uint32_t numSamples);
+void arm_clip_f32(float *pIn, uint32_t numSamples);
+uint32_t arm_calc_guard_bits(uint32_t num_adds);
+void arm_apply_guard_bits (float32_t * pIn, uint32_t numSamples, uint32_t guard_bits);
+uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples);
+uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t *pOut, uint32_t numSamples);
+uint32_t arm_calc_2pow(uint32_t guard_bits);
+#endif

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