text: void Dcsrmm2(char transa, char transb, int64_t m, int64_t n, int64_t k, int64_t nnz, const double *alpha, const double *csrvala, int *csrrowptra, int *csrcolinda, const double *b, int64_t ldb, const double *beta, double *c, int64_t ldc)
  