text: /*
   * Copyright (c) 2014, Sandia Corporation.
   * Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
   * the U.S. Government retains certain rights in this software.
   * 
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   * 
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   * 
   *     * 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.
   * 
   *     * Neither the name of Sandia Corporation 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
   * OWNER 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.
   * 
   */
  
  /* update - fills double vec1 with vec2 + alpha*vec3 over range*/
  void      update(double *vec1, int beg, int end, double *vec2, double fac, double *vec3)
  {
      int       i;
  
      vec1 += beg;
      vec2 += beg;
      vec3 += beg;
      for (i = end - beg + 1; i; i--) {
  	(*vec1++) = (*vec2++) + fac * (*vec3++);
      }
  }
  
  /* update - fills float vec1 with vec2 + alpha*vec3 over range*/
  void      update_float(float *vec1, int beg, int end, float *vec2, float fac, float *vec3)
  {
      int       i;
  
      vec1 += beg;
      vec2 += beg;
      vec3 += beg;
      for (i = end - beg + 1; i; i--) {
  	(*vec1++) = (*vec2++) + fac * (*vec3++);
      }
  }
  