cannam@127: /*
cannam@127:  * Copyright (c) 2000 Matteo Frigo
cannam@127:  * Copyright (c) 2000 Massachusetts Institute of Technology
cannam@127:  *
cannam@127:  * This program is free software; you can redistribute it and/or modify
cannam@127:  * it under the terms of the GNU General Public License as published by
cannam@127:  * the Free Software Foundation; either version 2 of the License, or
cannam@127:  * (at your option) any later version.
cannam@127:  *
cannam@127:  * This program is distributed in the hope that it will be useful,
cannam@127:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@127:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@127:  * GNU General Public License for more details.
cannam@127:  *
cannam@127:  * You should have received a copy of the GNU General Public License
cannam@127:  * along with this program; if not, write to the Free Software
cannam@127:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
cannam@127:  *
cannam@127:  */
cannam@127: 
cannam@127: 
cannam@127: #include <stdio.h>
cannam@127: #include <stdlib.h>
cannam@127: 
cannam@127: #include "verify.h"
cannam@127: 
cannam@127: void verify_problem(bench_problem *p, int rounds, double tol)
cannam@127: {
cannam@127:      errors e;
cannam@127:      const char *pstring = p->pstring ? p->pstring : "<unknown problem>";
cannam@127: 
cannam@127:      switch (p->kind) {
cannam@127: 	 case PROBLEM_COMPLEX: verify_dft(p, rounds, tol, &e); break;
cannam@127: 	 case PROBLEM_REAL: verify_rdft2(p, rounds, tol, &e); break;
cannam@127: 	 case PROBLEM_R2R: verify_r2r(p, rounds, tol, &e); break;
cannam@127:      }
cannam@127: 
cannam@127:      if (verbose)
cannam@127: 	  ovtpvt("%s %g %g %g\n", pstring, e.l, e.i, e.s);
cannam@127: }
cannam@127: 
cannam@127: void verify(const char *param, int rounds, double tol)
cannam@127: {
cannam@127:      bench_problem *p;
cannam@127: 
cannam@127:      p = problem_parse(param);
cannam@127:      problem_alloc(p);
cannam@127: 
cannam@127:      if (!can_do(p)) {
cannam@127: 	  ovtpvt_err("No can_do for %s\n", p->pstring);
cannam@127: 	  BENCH_ASSERT(0);
cannam@127:      }
cannam@127: 
cannam@127:      problem_zero(p);
cannam@127:      setup(p);
cannam@127: 
cannam@127:      verify_problem(p, rounds, tol);
cannam@127: 
cannam@127:      done(p);
cannam@127:      problem_destroy(p);
cannam@127: }
cannam@127: 
cannam@127: 
cannam@127: static void do_accuracy(bench_problem *p, int rounds, int impulse_rounds)
cannam@127: {
cannam@127:      double t[6];
cannam@127: 
cannam@127:      switch (p->kind) {
cannam@127: 	 case PROBLEM_COMPLEX:
cannam@127: 	      accuracy_dft(p, rounds, impulse_rounds, t); break;
cannam@127: 	 case PROBLEM_REAL:
cannam@127: 	      accuracy_rdft2(p, rounds, impulse_rounds, t); break;
cannam@127: 	 case PROBLEM_R2R:
cannam@127: 	      accuracy_r2r(p, rounds, impulse_rounds, t); break;
cannam@127:      }
cannam@127: 
cannam@127:      /* t[0] : L1 error
cannam@127: 	t[1] : L2 error
cannam@127: 	t[2] : Linf error
cannam@127: 	t[3..5]: L1, L2, Linf backward error */
cannam@127:      ovtpvt("%6.2e %6.2e %6.2e %6.2e %6.2e %6.2e\n", 
cannam@127: 	    t[0], t[1], t[2], t[3], t[4], t[5]);
cannam@127: }
cannam@127: 
cannam@127: void accuracy(const char *param, int rounds, int impulse_rounds)
cannam@127: {
cannam@127:      bench_problem *p;
cannam@127:      p = problem_parse(param);
cannam@127:      BENCH_ASSERT(can_do(p));
cannam@127:      problem_alloc(p);
cannam@127:      problem_zero(p);
cannam@127:      setup(p);
cannam@127:      do_accuracy(p, rounds, impulse_rounds);
cannam@127:      done(p);
cannam@127:      problem_destroy(p);
cannam@127: }