linalg.cuh

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#ifndef MILUPHPC_LINALG_CUH
#define MILUPHPC_LINALG_CUH
 
#include "../parameter.h"
#include "../../include/cuda_utils/cuda_utilities.cuh"
 
class linalg {
 
};
 
namespace CudaUtils {
 
    __device__ int sign(real x);
 
    __device__ int stressIndex(int particleIndex, int row, int col);
 
    __device__ void copyMatrix(real src[DIM][DIM], real dst[DIM][DIM]);
 
    __device__ void transposeMatrix(real m[DIM][DIM]);
 
    __device__  void multiplyMatrix(real A[DIM][DIM], real B[DIM][DIM], real C[DIM][DIM]);
 
    __device__ void multiply(real A[][DIM], real B[][DIM], real C[][DIM]);
 
    __device__ void identityMatrix(real A[DIM][DIM]);
 
    __device__ int maxMatrix(real M[DIM][DIM], int *e, int *f, real *elmax);
 
    __device__ void rotateMatrix(volatile real m[DIM][DIM], volatile real c, volatile real s, volatile int e,
                                  volatile int f);
 
    __device__ int calculateAllEigenvalues(real M[DIM][DIM], real eigenvalues[DIM], real v[DIM][DIM]);
 
    __device__ real calculateMaxEigenvalue(real M[DIM][DIM]);
 
    __device__ real det2x2(real a, real b, real c, real d);
 
    __device__ int invertMatrix(real *m, real *inverted);
}
 
 
#endif //MILUPHPC_LINALG_CUH