text: /*
   * RudraRand.h
   *
   * Rudra Distributed Learning Platform
   *
   * Copyright (c) IBM Corporation 2016
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 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 notice,
   *   this list of conditions and the following disclaimer in the documentation
   *   and/or other materials provided with the distribution.
   *
   * 3. Neither the name of Rudra nor the names of its contributors may be used
   *   to endorse or promote products derived from this software without specific
   *   prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY,OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef __RUDRA_UTIL_RAND_H_
  #define __RUDRA_UTIL_RAND_H_
  
  #include <cstdlib>
  
  namespace rudra {
  class RudraRand {
  public:
  	// vj TODO: conditionalize this to use nrand48 for macos and drand48 where it exists
  	drand48_data dd;
  	int rank;
  	int threadid;
  	long getLong();
  
  	RudraRand() {
  	}
  	RudraRand(int rank, int threadid);
  	RudraRand(const RudraRand& rr);
  
  	~RudraRand();
  };
  } // namespace rudra
  
  #endif
  