1 files changed, 0 insertions, 213 deletions

diff --git a/src/testbed/testbed_api_sd.c b/src/testbed/testbed_api_sd.c
deleted file mode 100644
index 59c7a3ebd..000000000
--- a/src/testbed/testbed_api_sd.c
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
-      This file is part of GNUnet
-      Copyright (C) 2008--2013 GNUnet e.V.
-
-      GNUnet is free software: you can redistribute it and/or modify it
-      under the terms of the GNU Affero General Public License as published
-      by the Free Software Foundation, either version 3 of the License,
-      or (at your option) any later version.
-
-      GNUnet is distributed in the hope that it will be useful, but
-      WITHOUT ANY WARRANTY; without even the implied warranty of
-      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-      Affero General Public License for more details.
-
-      You should have received a copy of the GNU Affero General Public License
-      along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-     SPDX-License-Identifier: AGPL3.0-or-later
- */
-
-/**
- * @file testbed/testbed_api_sd.c
- * @brief functions to calculate standard deviation
- * @author Sree Harsha Totakura <sreeharsha@totakura.in>
- */
-
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "testbed_api_sd.h"
-
-/**
- * An entry to hold data which will be used to calculate SD
- */
-struct SDEntry
-{
-  /**
-   * DLL next pointer
-   */
-  struct SDEntry *next;
-
-  /**
-   * DLL prev pointer
-   */
-  struct SDEntry *prev;
-
-  /**
-   * The value to store
-   */
-  unsigned int amount;
-};
-
-
-/**
- * Opaque handle for calculating SD
- */
-struct SDHandle
-{
-  /**
-   * DLL head for storing entries
-   */
-  struct SDEntry *head;
-
-  /**
-   * DLL tail for storing entries
-   */
-  struct SDEntry *tail;
-
-  /**
-   * Squared sum of data values
-   */
-  unsigned long long sqsum;
-
-  /**
-   * Sum of the data values
-   */
-  unsigned long sum;
-
-  /**
-   * The average of data amounts
-   */
-  float avg;
-
-  /**
-   * The variance
-   */
-  double vr;
-
-  /**
-   * Number of data values; also the length of DLL containing SDEntries
-   */
-  unsigned int cnt;
-
-  /**
-   * max number of entries we can have in the DLL
-   */
-  unsigned int max_cnt;
-};
-
-
-/**
- * Initialize standard deviation calculation handle
- *
- * @param max_cnt the maximum number of readings to keep
- * @return the initialized handle
- */
-struct SDHandle *
-GNUNET_TESTBED_SD_init_ (unsigned int max_cnt)
-{
-  struct SDHandle *h;
-
-  GNUNET_assert (1 < max_cnt);
-  h = GNUNET_new (struct SDHandle);
-  h->max_cnt = max_cnt;
-  return h;
-}
-
-
-/**
- * Frees the memory allocated to the SD handle
- *
- * @param h the SD handle
- */
-void
-GNUNET_TESTBED_SD_destroy_ (struct SDHandle *h)
-{
-  struct SDEntry *entry;
-
-  while (NULL != (entry = h->head))
-  {
-    GNUNET_CONTAINER_DLL_remove (h->head, h->tail, entry);
-    GNUNET_free (entry);
-  }
-  GNUNET_free (h);
-}
-
-
-/**
- * Add a reading to SD
- *
- * @param h the SD handle
- * @param amount the reading value
- */
-void
-GNUNET_TESTBED_SD_add_data_ (struct SDHandle *h, unsigned int amount)
-{
-  struct SDEntry *entry;
-  double sqavg;
-  double sqsum_avg;
-
-  entry = NULL;
-  if (h->cnt == h->max_cnt)
-  {
-    entry = h->head;
-    GNUNET_CONTAINER_DLL_remove (h->head, h->tail, entry);
-    h->sum -= entry->amount;
-    h->sqsum -=
-      ((unsigned long) entry->amount) * ((unsigned long) entry->amount);
-    h->cnt--;
-  }
-  GNUNET_assert (h->cnt < h->max_cnt);
-  if (NULL == entry)
-    entry = GNUNET_new (struct SDEntry);
-  entry->amount = amount;
-  GNUNET_CONTAINER_DLL_insert_tail (h->head, h->tail, entry);
-  h->sum += amount;
-  h->cnt++;
-  h->avg = ((float) h->sum) / ((float) h->cnt);
-  h->sqsum += ((unsigned long) amount) * ((unsigned long) amount);
-  sqsum_avg = ((double) h->sqsum) / ((double) h->cnt);
-  sqavg = ((double) h->avg) * ((double) h->avg);
-  h->vr = sqsum_avg - sqavg;
-}
-
-
-/**
- * Calculates the factor by which the given amount differs
- *
- * @param h the SDhandle
- * @param amount the value for which the deviation is returned
- * @param factor the factor by which the given amont differs
- * @return GNUNET_SYSERR if the deviation cannot
- *   be calculated; GNUNET_OK if the deviation is returned through factor
- */
-int
-GNUNET_TESTBED_SD_deviation_factor_ (struct SDHandle *h, unsigned int amount,
-                                     int *factor)
-{
-  double diff;
-  int f;
-  int n;
-
-  if (h->cnt < 2)
-    return GNUNET_SYSERR;
-  if (((float) amount) > h->avg)
-  {
-    diff = ((float) amount) - h->avg;
-    f = 1;
-  }
-  else
-  {
-    diff = h->avg - ((float) amount);
-    f = -1;
-  }
-  diff *= diff;
-  for (n = 1; n < 4; n++)
-    if (diff < (((double) (n * n)) * h->vr))
-      break;
-  *factor = f * n;
-  return GNUNET_OK;
-}
-
-
-/* end of testbed_api_sd.c */