From 94f94260ace13688285fc8c62687079b26c18854 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Sun, 20 Dec 2020 15:18:02 +0100
Subject: Submodule-cache WIP

---
 .../DSP/Source/FastMathFunctions/arm_cos_q31.c     | 84 ----------------------
 1 file changed, 84 deletions(-)
 delete mode 100644 fw/cdc-dials/Drivers/CMSIS/DSP/Source/FastMathFunctions/arm_cos_q31.c

(limited to 'fw/cdc-dials/Drivers/CMSIS/DSP/Source/FastMathFunctions/arm_cos_q31.c')

diff --git a/fw/cdc-dials/Drivers/CMSIS/DSP/Source/FastMathFunctions/arm_cos_q31.c b/fw/cdc-dials/Drivers/CMSIS/DSP/Source/FastMathFunctions/arm_cos_q31.c
deleted file mode 100644
index 105addb..0000000
--- a/fw/cdc-dials/Drivers/CMSIS/DSP/Source/FastMathFunctions/arm_cos_q31.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* ----------------------------------------------------------------------
- * Project:      CMSIS DSP Library
- * Title:        arm_cos_q31.c
- * Description:  Fast cosine calculation for Q31 values
- *
- * $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"
-#include "arm_common_tables.h"
-
-/**
- * @ingroup groupFastMath
- */
-
- /**
- * @addtogroup cos
- * @{
- */
-
-/**
- * @brief Fast approximation to the trigonometric cosine function for Q31 data.
- * @param[in] x Scaled input value in radians.
- * @return  cos(x).
- *
- * The Q31 input value is in the range [0 +0.9999] and is mapped to a radian
- * value in the range [0 2*pi).
- */
-
-q31_t arm_cos_q31(
-  q31_t x)
-{
-  q31_t cosVal;                                  /* Temporary variables for input, output */
-  int32_t index;                                 /* Index variables */
-  q31_t a, b;                                    /* Four nearest output values */
-  q31_t fract;                                   /* Temporary values for fractional values */
-
-  /* add 0.25 (pi/2) to read sine table */
-  x = (uint32_t)x + 0x20000000;
-  if (x < 0)
-  {   /* convert negative numbers to corresponding positive ones */
-      x = (uint32_t)x + 0x80000000;
-  }
-
-  /* Calculate the nearest index */
-  index = (uint32_t)x >> FAST_MATH_Q31_SHIFT;
-
-  /* Calculation of fractional value */
-  fract = (x - (index << FAST_MATH_Q31_SHIFT)) << 9;
-
-  /* Read two nearest values of input value from the sin table */
-  a = sinTable_q31[index];
-  b = sinTable_q31[index+1];
-
-  /* Linear interpolation process */
-  cosVal = (q63_t)(0x80000000-fract)*a >> 32;
-  cosVal = (q31_t)((((q63_t)cosVal << 32) + ((q63_t)fract*b)) >> 32);
-
-  return cosVal << 1;
-}
-
-/**
- * @} end of cos group
- */
-- 
cgit