/* nag_ztr_copy (f16tec) Example Program. * * Copyright 2005 Numerical Algorithms Group. * * Mark 8, 2005. */ #include #include #include #include #include int main(void) { /* Scalars */ Complex alpha, diag; Integer exit_status, n, pda, pdb; /* Arrays */ Complex *a = 0, *b = 0; char nag_enum_arg[40]; /* Nag Types */ NagError fail; Nag_OrderType order; Nag_UploType uplo; Nag_MatrixType matrix; #ifdef NAG_COLUMN_MAJOR order = Nag_ColMajor; #else order = Nag_RowMajor; #endif exit_status = 0; INIT_FAIL(fail); printf("nag_ztr_copy (f16tec) Example Program Results\n\n"); /* Skip heading in data file */ scanf("%*[^\n] "); /* Read the problem dimension */ scanf("%ld%*[^\n] ", &n); /* Read the uplo parameter */ scanf("%39s%*[^\n] ", nag_enum_arg); /* nag_enum_name_to_value (x04nac). * Converts NAG enum member name to value */ uplo = (Nag_UploType) nag_enum_name_to_value(nag_enum_arg); /* Read scalar parameters */ scanf(" ( %lf , %lf ) ( %lf , %lf )%*[^\n] ", &alpha.re, &alpha.im, &diag.re, &diag.im); pda = n; pdb = n; if (n > 0) { /* Allocate memory */ if (!(a = NAG_ALLOC(n*n, Complex)) || !(b = NAG_ALLOC(n*n, Complex))) { printf("Allocation failure\n"); exit_status = -1; goto END; } } else { printf("Invalid n\n"); exit_status = 1; return exit_status; } /* nag_ztr_load (f16tgc). * Initialize complex triangular matrix. * */ nag_ztr_load(order, uplo, n, alpha, diag, a, pda, &fail); if (fail.code != NE_NOERROR) { printf("Error from nag_ztr_laod.\n%s\n", fail.message); exit_status = 1; goto END; } /* nag_ztr_copy (f16tec). * Copies a complex triangular matrix. * */ nag_ztr_copy(order, uplo, Nag_ConjTrans, Nag_NonUnitDiag, n, a, pda, b, pdb, &fail); if (fail.code != NE_NOERROR) { printf("Error from nag_ztr_copy (f16tec).\n%s\n", fail.message); exit_status = 1; goto END; } if (uplo == Nag_Upper) { matrix = Nag_LowerMatrix; } else { matrix = Nag_UpperMatrix; } /* Print generated matrix A */ /* nag_gen_complx_mat_print_comp (x04dbc). * Print complex general matrix (comprehensive) */ fflush(stdout); nag_gen_complx_mat_print_comp(order, matrix, Nag_NonUnitDiag, n, n, b, pdb, Nag_BracketForm, "%5.2f", "Copied Matrix B", Nag_IntegerLabels, 0, Nag_IntegerLabels, 0, 80, 0, 0, &fail); if (fail.code != NE_NOERROR) { printf("Error from nag_gen_complx_mat_print_comp (x04dbc).\n%s" "\n", fail.message); exit_status = 1; goto END; } END: NAG_FREE(a); NAG_FREE(b); return exit_status; }