linearSolverCGDeviceKernels.h

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#ifndef linearSolverCGDeviceKernels_H
#define linearSolverCGDeviceKernels_H
#include <DeviceAPICalls.h>
#include <DeviceDataTypeOverloads.h>
#include <DeviceKernelLauncherConstants.h>
 
 
namespace dftfe
{ /**
   * @brief Combines precondition and dot product
   *
   */
  void
  applyPreconditionAndComputeDotProductDevice(double *      d_dvec,
                                              double *      d_devSum,
                                              const double *d_rvec,
                                              const double *d_jacobi,
                                              const int     N);
 
  /**
   * @brief Combines precondition, sadd and dot product
   *
   */
  void
  applyPreconditionComputeDotProductAndSaddDevice(double *      d_qvec,
                                                  double *      d_devSum,
                                                  const double *d_rvec,
                                                  const double *d_jacobi,
                                                  const int     N);
 
  /**
   * @brief Combines scaling and norm
   *
   */
  void
  scaleXRandComputeNormDevice(double *      x,
                              double *      d_rvec,
                              double *      d_devSum,
                              const double *d_qvec,
                              const double *d_dvec,
                              const double  alpha,
                              const int     N);
} // namespace dftfe
#endif