/* nag_zge_copy (f16tfc) Example Program. * * Copyright 2005 Numerical Algorithms Group. * * Mark 8, 2005. */ #include #include #include #include #include int main(int argc, char *argv[]) { FILE *fpin, *fpout; char *outfile = 0; /* Scalars */ Integer bdim1, bdim2, exit_status, i, j, m, n, pda, pdb; /* Arrays */ Complex *a = 0, *b = 0; char nag_enum_arg[40]; /* Nag Types */ NagError fail; Nag_OrderType order; Nag_TransType trans; #ifdef NAG_COLUMN_MAJOR #define A(I, J) a[(J-1)*pda + I - 1] #define B(I, J) b[(J-1)*pdb + I - 1] order = Nag_ColMajor; #else #define A(I, J) a[(I-1)*pda + J - 1] #define B(I, J) b[(I-1)*pdb + J - 1] order = Nag_RowMajor; #endif exit_status = 0; INIT_FAIL(fail); /* Check for command-line IO options */ fpin = nag_example_file_io(argc, argv, "-data", NULL); fpout = nag_example_file_io(argc, argv, "-results", NULL); (void) nag_example_file_io(argc, argv, "-nag_write", &outfile); fprintf(fpout, "nag_zge_copy (f16tfc) Example Program Results\n\n"); /* Skip heading in data file */ fscanf(fpin, "%*[^\n] "); /* Read the problem dimensions */ fscanf(fpin, "%ld%ld%*[^\n] ", &m, &n); /* Read trans */ fscanf(fpin, "%s%*[^\n] ", nag_enum_arg); /* nag_enum_name_to_value(x04nac). * Converts NAG enum member name to value */ trans = nag_enum_name_to_value(nag_enum_arg); if (order == Nag_ColMajor) { pda = m; if (trans == Nag_NoTrans) { pdb = m; bdim1 = pdb; bdim2 = n; } else { pdb = n; bdim1 = pdb; bdim2 = m; } } else { pda = n; if (trans == Nag_NoTrans) { pdb = n; bdim1 = m; bdim2 = pdb; } else { pdb = m; bdim1 = n; bdim2 = pdb; } } if (m > 0 && n > 0) { /* Allocate memory */ if (!(a = NAG_ALLOC(m*n, Complex)) || !(b = NAG_ALLOC(m*n, Complex))) { fprintf(fpout, "Allocation failure\n"); exit_status = -1; goto END; } } else { fprintf(fpout, "Invalid m or n\n"); exit_status = 1; return exit_status; } /* Read A from data file */ for (i = 1; i <= m; ++i) { for (j = 1; j <= n; ++j) fscanf(fpin, " ( %lf , %lf )", &A(i, j).re, &A(i, j).im); } fscanf(fpin, "%*[^\n] "); /* nag_zge_copy(f16tfc). * Complex valued general matrix copy. * */ nag_zge_copy(order, trans, m, n, a, pda, b, pdb, &fail); if (fail.code != NE_NOERROR) { fprintf(fpout, "Error from nag_zge_copy (f16tfc).\n%s\n", fail.message); exit_status = 1; goto END; } /* Print output */ /* nag_gen_complx_mat_print (x04dac). * Print Complex general matrix (easy-to-use) */ if (outfile) fclose(fpout); nag_gen_complx_mat_print(order, Nag_GeneralMatrix, Nag_NonUnitDiag, bdim1, bdim2, b, pdb, "Copy of Transposed Input Matrix", outfile, &fail); if (outfile && !(fpout = fopen(outfile, "a"))) { exit_status = 2; goto END; } if (fail.code != NE_NOERROR) { fprintf(fpout, "Error from nag_gen_complx_mat_print (x04dac).\n%s\n", fail.message); exit_status = 1; goto END; } END: if (fpin != stdin) fclose(fpin); if (fpout != stdout) fclose(fpout); if (a) NAG_FREE(a); if (b) NAG_FREE(b); return exit_status; }