From 4e3fab67a843017685c32f1f6bcc84c45ee6b254 Mon Sep 17 00:00:00 2001
From: Laurent THOMAS <laurent.thomas@open-cells.com>
Date: Thu, 6 Mar 2025 10:52:03 +0100
Subject: [PATCH] remove unused function with duplicated name to another one

---
 CMakeLists.txt                               |  3 --
 doc/Doxyfile                                 |  1 -
 openair1/PHY/MODULATION/compute_bf_weights.c | 26 -----------
 openair1/PHY/MODULATION/modulation_eNB.h     |  2 -
 openair1/PHY/TOOLS/lut.c                     | 46 --------------------
 openair1/PHY/TOOLS/read_F.c                  | 25 -----------
 openair1/PHY/TOOLS/tools_defs.h              | 22 ----------
 openair1/PHY/sse_intrin.h                    |  2 +-
 8 files changed, 1 insertion(+), 126 deletions(-)
 delete mode 100644 openair1/PHY/TOOLS/lut.c
 delete mode 100644 openair1/PHY/TOOLS/read_F.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb6692fa08..ca424f5d77 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -821,7 +821,6 @@ set(PHY_SRC_COMMON
   ${OPENAIR1_DIR}/PHY/TOOLS/signal_energy.c
   ${OPENAIR1_DIR}/PHY/TOOLS/dB_routines.c
   ${OPENAIR1_DIR}/PHY/TOOLS/sqrt.c
-  ${OPENAIR1_DIR}/PHY/TOOLS/lut.c
   ${OPENAIR1_DIR}/PHY/TOOLS/get_sin_cos.c
   ${OPENAIR1_DIR}/PHY/TOOLS/oai_arith_operations.c
   )
@@ -956,7 +955,6 @@ set(PHY_SRC_UE
   ${OPENAIR1_DIR}/PHY/TOOLS/signal_energy.c
   ${OPENAIR1_DIR}/PHY/TOOLS/dB_routines.c
   ${OPENAIR1_DIR}/PHY/TOOLS/sqrt.c
-  ${OPENAIR1_DIR}/PHY/TOOLS/lut.c
   ${OPENAIR1_DIR}/PHY/TOOLS/oai_arith_operations.c
   ${PHY_POLARSRC}
   ${PHY_SMALLBLOCKSRC}
@@ -1009,7 +1007,6 @@ set(PHY_SRC_UE
   ${OPENAIR1_DIR}/PHY/TOOLS/signal_energy.c
   ${OPENAIR1_DIR}/PHY/TOOLS/dB_routines.c
   ${OPENAIR1_DIR}/PHY/TOOLS/sqrt.c
-  ${OPENAIR1_DIR}/PHY/TOOLS/lut.c
   ${OPENAIR1_DIR}/PHY/TOOLS/oai_arith_operations.c
   ${OPENAIR1_DIR}/PHY/INIT/nr_init_ue.c
   ${PHY_POLARSRC}
diff --git a/doc/Doxyfile b/doc/Doxyfile
index c2a4f20245..4576b3584e 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -2248,7 +2248,6 @@ INPUT                  = \
 @CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/TOOLS/log2_approx.c \
 @CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/TOOLS/phy_scope_interface.h \
 @CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/TOOLS/simde_operations.c \
-@CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/TOOLS/lut.c \
 @CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/TOOLS/nr_phy_scope.c \
 @CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/TOOLS/nr_phy_scope.h \
 @CMAKE_CURRENT_SOURCE_DIR@/../openair1/PHY/TOOLS/lte_phy_scope.c \
diff --git a/openair1/PHY/MODULATION/compute_bf_weights.c b/openair1/PHY/MODULATION/compute_bf_weights.c
index 2bf5a08316..6510fbf18d 100644
--- a/openair1/PHY/MODULATION/compute_bf_weights.c
+++ b/openair1/PHY/MODULATION/compute_bf_weights.c
@@ -3,32 +3,6 @@
 #include <stdlib.h>
 #include "PHY/defs_common.h"
 
-int f_read(char *calibF_fname, int nb_ant, int nb_freq, int32_t **tdd_calib_coeffs){
-
-  FILE *calibF_fd;
-  int i,j,calibF_e;
-  
-  calibF_fd = fopen(calibF_fname,"r");
- 
-  if (calibF_fd) {
-    printf("Loading Calibration matrix from %s\n", calibF_fname);
-  
-    for(i=0;i<nb_ant;i++){
-      for(j=0;j<nb_freq*2;j++){
-        if (fscanf(calibF_fd, "%d", &calibF_e) != 1) abort();
-        tdd_calib_coeffs[i][j] = (int16_t)calibF_e;
-      }
-    }
-    printf("%d\n",(int)tdd_calib_coeffs[0][0]);
-    printf("%d\n",(int)tdd_calib_coeffs[1][599]);
-    fclose(calibF_fd);
-  } else
-   printf("%s not found, running with defaults\n",calibF_fname);
-  /* TODO: what to return? is this code used at all? */
-  return 0;
-}
-
-
 int estimate_DLCSI_from_ULCSI(int32_t **calib_dl_ch_estimates, int32_t **ul_ch_estimates, int32_t **tdd_calib_coeffs, int nb_ant, int nb_freq) {
 
   /* TODO: what to return? is this code used at all? */
diff --git a/openair1/PHY/MODULATION/modulation_eNB.h b/openair1/PHY/MODULATION/modulation_eNB.h
index 59ef26f306..8eb34cc9d8 100644
--- a/openair1/PHY/MODULATION/modulation_eNB.h
+++ b/openair1/PHY/MODULATION/modulation_eNB.h
@@ -77,8 +77,6 @@ int beam_precoding_one_eNB(int32_t **txdataF,
 			   int nb_tx, // total physical antenna
 			   LTE_DL_FRAME_PARMS *frame_parms);
 
-int f_read(char *calibF_fname, int nb_ant, int nb_freq, int32_t **tdd_calib_coeffs);
-
 int estimate_DLCSI_from_ULCSI(int32_t **calib_dl_ch_estimates, int32_t **ul_ch_estimates, int32_t **tdd_calib_coeffs, int nb_ant, int nb_freq);
 
 int compute_BF_weights(int32_t **beam_weights, int32_t **calib_dl_ch_estimates, PRECODE_TYPE_t precode_type, int nb_ant, int nb_freq);
diff --git a/openair1/PHY/TOOLS/lut.c b/openair1/PHY/TOOLS/lut.c
deleted file mode 100644
index f58a06c8ae..0000000000
--- a/openair1/PHY/TOOLS/lut.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The OpenAirInterface Software Alliance licenses this file to You under
- * the OAI Public License, Version 1.1  (the "License"); you may not use this file
- * except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.openairinterface.org/?page_id=698
- *
- * 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.
- *-------------------------------------------------------------------------------
- * For more information about the OpenAirInterface (OAI) Software Alliance:
- *      contact@openairinterface.org
- */
-
-double interp(double x, double *xs, double *ys, int count)
-{
-  int i;
-  double dx, dy;
-
-  if (x < xs[0]) {
-    return 1.0; /* return minimum element */
-  }
-
-  if (x > xs[count-1]) {
-    return 0.0; /* return maximum */
-  }
-
-  /* find i, such that xs[i] <= x < xs[i+1] */
-  for (i = 0; i < count-1; i++) {
-    if (xs[i+1] > x) {
-      break;
-    }
-  }
-
-  /* interpolate */
-  dx = xs[i+1] - xs[i];
-  dy = ys[i+1] - ys[i];
-  return ys[i] + (x - xs[i]) * dy / dx;
-}
diff --git a/openair1/PHY/TOOLS/read_F.c b/openair1/PHY/TOOLS/read_F.c
deleted file mode 100644
index 155b72c851..0000000000
--- a/openair1/PHY/TOOLS/read_F.c
+++ /dev/null
@@ -1,25 +0,0 @@
-#include<stdio.h>
-#include<stdint.h>
-
-int f_read(char *calibF_fname, int nb_antM, int nb_freq, int16_t (*calibF_mtx)[nb_freq*2]){
-
-  FILE *calibF_fd;
-  int i,j,l,calibF_e;
-  
-  calibF_fd = fopen(calibF_fname,"r");
- 
-  if (calibF_fd) {
-    printf("Loading Calibration matrix from %s\n", calibF_fname);
-  
-    for(i=0;i<nb_antM;i++){
-      for(j=0;j<nb_freq*2;j++){
-	fscanf(calibF_fd, "%d", &calibF_e);
-        calibF_mtx[i][j] = (int16_t)calibF_e;
-      }
-    }
-    printf("%d\n",(int)calibF_mtx[0][0]);
-    printf("%d\n",(int)calibF_mtx[1][599]);
-    fclose(calibF_fd);
-  } else
-   printf("%s not found, running with defaults\n",calibF_fname);
-}
diff --git a/openair1/PHY/TOOLS/tools_defs.h b/openair1/PHY/TOOLS/tools_defs.h
index 05c152dd7d..33c9df501d 100644
--- a/openair1/PHY/TOOLS/tools_defs.h
+++ b/openair1/PHY/TOOLS/tools_defs.h
@@ -753,31 +753,12 @@ uint32_t angle(struct complex16 perrror);
 /// computes the number of factors 2 in x
 unsigned char factor2(unsigned int x);
 
-/*!\fn int32_t phy_phase_compensation_top (uint32_t pilot_type, uint32_t initial_pilot,
-        uint32_t last_pilot, int32_t ignore_prefix);
-Compensate the phase rotation of the RF. WARNING: This function is currently unused. It has not been tested!
-@param pilot_type indicates whether it is a CHBCH (=0) or a SCH (=1) pilot
-@param initial_pilot index of the first pilot (which serves as reference)
-@param last_pilot index of the last pilot in the range of pilots to correct the phase
-@param ignore_prefix set to 1 if cyclic prefix has not been removed (by the hardware)
-
-*/
-
-
 int8_t dB_fixed(uint32_t x);
-
 uint8_t dB_fixed64(uint64_t x);
-
 int8_t dB_fixed2(uint32_t x,uint32_t y);
-
 int16_t dB_fixed_times10(uint32_t x);
 int16_t dB_fixed_x10(uint32_t x);
 
-int32_t phy_phase_compensation_top(uint32_t pilot_type,
-                                   uint32_t initial_pilot,
-                                   uint32_t last_pilot,
-                                   int32_t ignore_prefix);
-
 c32_t dot_product(const c16_t *x,
                   const c16_t *y,
                   const uint32_t N, // must be a multiple of 8
@@ -785,9 +766,6 @@ c32_t dot_product(const c16_t *x,
 
 /** @} */
 
-
-double interp(double x, double *xs, double *ys, int count);
-
 void simde_mm_separate_real_imag_parts(simde__m128i *out_re, simde__m128i *out_im, simde__m128i in0, simde__m128i in1);
 void simde_mm256_separate_real_imag_parts(simde__m256i *out_re, simde__m256i *out_im, simde__m256i in0, simde__m256i in1);
 
diff --git a/openair1/PHY/sse_intrin.h b/openair1/PHY/sse_intrin.h
index 0254d6fe46..79c9e0b9f7 100644
--- a/openair1/PHY/sse_intrin.h
+++ b/openair1/PHY/sse_intrin.h
@@ -30,7 +30,7 @@
  * Has been changed in August 2022 to rely on SIMD Everywhere (SIMDE) from MIT
  * by bruno.mongazon-cazavet@nokia-bell-labs.com
  *
- * All AVX22 code is mapped to SIMDE which transparently relies on AVX2 HW (avx2-capable host) or SIMDE emulation
+ * All AVX2 code is mapped to SIMDE which transparently relies on AVX2 HW (avx2-capable host) or SIMDE emulation
  * (non-avx2-capable host).
  * To force using SIMDE emulation on avx2-capable host use the --noavx2 flag. 
  * avx512 code is not mapped to SIMDE. It depends on --noavx512 flag.