File: pools.c

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csound 1%3A6.18.1%2Bdfsg-4
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/*
    pools.c:

    Copyright (C) 2012 Steven Yi

    This file is part of Csound.

    The Csound Library is free software; you can redistribute it
    and/or modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    Csound 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with Csound; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
    02110-1301 USA
*/

#include "csoundCore.h"
#include "pools.h"
#include "csound_standard_types.h"

/* MYFLT POOL */

MYFLT_POOL* myflt_pool_create(CSOUND* csound) {
    MYFLT_POOL* pool = csound->Malloc(csound, sizeof(MYFLT_POOL));
    pool->count = 0;
    pool->max = POOL_SIZE;
    pool->values = csound->Calloc(csound, sizeof(CS_VAR_MEM) * POOL_SIZE);

    return pool;
}

void myflt_pool_free(CSOUND *csound, MYFLT_POOL *pool){
    if (pool != NULL) {
      csound->Free(csound, pool->values);
      csound->Free(csound, pool);
    }
}

int myflt_pool_indexof(MYFLT_POOL* pool, MYFLT value) {
    int retVal = -1;
    int i;

    for (i = 0; i < pool->count; i++) {
      if (pool->values[i].value == value) {
        retVal = i;
        break;
      }
    }

    return retVal;
}

int myflt_pool_find_or_add(CSOUND* csound, MYFLT_POOL* pool, MYFLT value) {
    int index = myflt_pool_indexof(pool, value);

    if (index == -1) {

      if (UNLIKELY(pool->count > 0 && pool->count % POOL_SIZE == 0)) {
        pool->max += POOL_SIZE;
        pool->values = csound->ReAlloc(csound, pool->values,
                                       pool->max * sizeof
                                       (CS_VAR_MEM));
      }
      index = pool->count;
      pool->values[index].varType = (CS_TYPE*)&CS_VAR_TYPE_C;
      pool->values[index].value = value;

      pool->count++;
    }

    return index;
}

int myflt_pool_find_or_addc(CSOUND* csound, MYFLT_POOL* pool, char* s) {

    MYFLT val = (MYFLT) cs_strtod(s, NULL);
    return myflt_pool_find_or_add(csound, pool, val);
}