/***************************************************************************

Copyright (c) 2011-2016,                              The OpenBLAS Project

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   1. Redistributions of source code must retain the above copyright

      notice, this list of conditions and the following disclaimer.

   2. Redistributions in binary form must reproduce the above copyright

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      the documentation and/or other materials provided with the

      distribution.

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      its contributors may be used to endorse or promote products

      derived from this software without specific prior written permission.

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*****************************************************************************/

#include "common.h"

static int openblas_env_verbose=0;

static unsigned int openblas_env_thread_timeout=0;

static int openblas_env_block_factor=0;

static int openblas_env_openblas_num_threads=0;

static int openblas_env_goto_num_threads=0;

static int openblas_env_omp_num_threads=0;

static int openblas_env_omp_adaptive=0;

int openblas_verbose(void) { return openblas_env_verbose;}

unsigned int openblas_thread_timeout(void) { return openblas_env_thread_timeout;}

int openblas_block_factor(void) { return openblas_env_block_factor;}

int openblas_num_threads_env(void) { return openblas_env_openblas_num_threads;}

int openblas_goto_num_threads_env(void) { return openblas_env_goto_num_threads;}

int openblas_omp_num_threads_env(void) { return openblas_env_omp_num_threads;}

int openblas_omp_adaptive_env(void) { return openblas_env_omp_adaptive;}

void openblas_read_env(void) {

  int ret=0;

  env_var_t p;

  if (readenv(p,"OPENBLAS_VERBOSE")) ret = atoi(p);

  if(ret<0) ret=0;

  openblas_env_verbose=ret;

  ret=0;

  if (readenv(p,"OPENBLAS_BLOCK_FACTOR")) ret = atoi(p);

  if(ret<0) ret=0;

  openblas_env_block_factor=ret;

  ret=0;

  if (readenv(p,"OPENBLAS_THREAD_TIMEOUT")) ret = atoi(p);

  if(ret<0) ret=0;

  openblas_env_thread_timeout=(unsigned int)ret;

  ret=0;

  if (readenv(p,"OPENBLAS_DEFAULT_NUM_THREADS")) ret = atoi(p);

  if(ret<0) ret=0;

  openblas_env_openblas_num_threads=ret;

  ret=0;

  if (readenv(p,"OPENBLAS_NUM_THREADS")) ret = atoi(p);

  if(ret<0) ret=0;

  if(ret != 0 || openblas_env_openblas_num_threads == 0)

    openblas_env_openblas_num_threads=ret;

  ret=0;

  if (readenv(p,"GOTO_NUM_THREADS")) ret = atoi(p);

  if(ret<0) ret=0;

  openblas_env_goto_num_threads=ret;

  ret=0;

  if (readenv(p,"OMP_NUM_THREADS")) ret = atoi(p);

  if(ret<0) ret=0;

  openblas_env_omp_num_threads=ret;

  ret=0;

  if (readenv(p,"OMP_ADAPTIVE")) ret = atoi(p);

  if(ret<0) ret=0;

  openblas_env_omp_adaptive=ret;

}