text: /*
   * nvbio
   * Copyright (c) 2011-2014, NVIDIA CORPORATION. All rights reserved.
   * 
   * 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 the NVIDIA 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 NVIDIA CORPORATION 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.
   */
  
  #pragma once
  
  #include <nvbio/basic/types.h>
  
  namespace nvbio {
  namespace bowtie2 {
  
  /// map Phred quality scores into their maq equivalents
  ///
  extern unsigned char s_phred_to_maq[];
  
  /// map Solexa quality values to Phred scale
  ///
  extern unsigned char s_solexa_to_phred[];
  
  NVBIO_FORCEINLINE NVBIO_HOST_DEVICE
  char phred_to_maq(int q)
  {
      return
          q < 5 ?
              0 :
          (q < 15) ?
              10 :
          (q < 25) ?
              20 :
              30;
  }
  
  } // namespace bowtie2
  } // namespace nvbio
  