* Lewis and Michael Wester. */
/*
- * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "times.h"
+static const bool do_test = true; // set to true in order to run this beast
+
static unsigned test1(void)
{
- symbol a1("a1"), a2("a2"), a3("a3"), a4("a4"), a5("a5"), a6("a6");
- symbol b1("b1"), b2("b2"), b3("b3"), b4("b4"), b5("b5"), b6("b6");
- symbol c1("c1"), c2("c2"), c3("c3"), c4("c4"), c5("c5"), c6("c6");
- ex w1[15][15] = {
- {a6, a5, a4, a3, a2, a1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
- {0, 0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0 },
- {0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0, 0 },
- {0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0, 0 },
- {0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0 },
- {0, 0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1},
- {0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0, 0 },
- {0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0 },
- {0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0, 0 },
- {0, 0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0 },
- {0, 0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1},
- {0, 0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1},
- {0, 0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0 },
- {0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0, 0 },
- {0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0 }
- };
- ex w2[15][15] = {
- {b6, b5, b4, b3, b2, b1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
- {0, 0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0 },
- {0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0, 0 },
- {0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0, 0 },
- {0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0 },
- {0, 0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1},
- {0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0, 0 },
- {0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0 },
- {0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0, 0 },
- {0, 0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0 },
- {0, 0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1},
- {0, 0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1},
- {0, 0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0 },
- {0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0, 0 },
- {0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0 }
- };
- ex w3[15][15] = {
- {c6, c5, c4, c3, c2, c1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
- {0, 0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0 },
- {0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0, 0 },
- {0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0, 0 },
- {0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0 },
- {0, 0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1},
- {0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0, 0 },
- {0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0 },
- {0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0, 0 },
- {0, 0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0 },
- {0, 0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1},
- {0, 0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1},
- {0, 0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0 },
- {0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0, 0 },
- {0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0 }
- };
- matrix d1(15,15), d2(15,15), d3(15,15);
- for (unsigned r=0; r<15; ++r) {
- for (unsigned c=0; c<15; ++c) {
- d1.set(r,c,w1[r][c]);
- d2.set(r,c,w2[r][c]);
- d3.set(r,c,w3[r][c]);
- }
- }
- unsigned nops1 = nops(d1.determinant()); cout << '.' << flush;
- unsigned nops2 = nops(d2.determinant()); cout << '.' << flush;
- unsigned nops3 = nops(d3.determinant()); cout << '.' << flush;
-
- if ((nops1 != 37490) || (nops2 != 37490) || (nops3 != 37490)) {
- clog << "Determinant from van der Waerden's example were miscalculated" << endl;
- return 1;
- }
- return 0;
+ symbol a1("a1"), a2("a2"), a3("a3"), a4("a4"), a5("a5"), a6("a6");
+ symbol b1("b1"), b2("b2"), b3("b3"), b4("b4"), b5("b5"), b6("b6");
+ symbol c1("c1"), c2("c2"), c3("c3"), c4("c4"), c5("c5"), c6("c6");
+ ex w1[15][15] = {
+ {a6, a5, a4, a3, a2, a1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ {0, 0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0 },
+ {0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0, 0 },
+ {0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0 },
+ {0, 0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1},
+ {0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0, 0 },
+ {0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0 },
+ {0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0 },
+ {0, 0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1},
+ {0, 0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1},
+ {0, 0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0 },
+ {0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0 }
+ };
+ ex w2[15][15] = {
+ {b6, b5, b4, b3, b2, b1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ {0, 0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0 },
+ {0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0, 0 },
+ {0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0 },
+ {0, 0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1},
+ {0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0, 0 },
+ {0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0 },
+ {0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0 },
+ {0, 0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1},
+ {0, 0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1},
+ {0, 0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0 },
+ {0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0 }
+ };
+ ex w3[15][15] = {
+ {c6, c5, c4, c3, c2, c1, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
+ {0, 0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0 },
+ {0, c6, 0, c5, c4, 0, c3, c2, c1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0, 0 },
+ {0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1, 0 },
+ {0, 0, 0, 0, 0, c6, 0, 0, c5, c4, 0, 0, c3, c2, c1},
+ {0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0, 0 },
+ {0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1, 0 },
+ {0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, a6, 0, a5, a4, 0, a3, a2, a1, 0, 0, 0, 0, 0 },
+ {0, 0, 0, 0, 0, a6, 0, 0, a5, a4, 0, 0, a3, a2, a1},
+ {0, 0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1},
+ {0, 0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0 },
+ {0, b6, 0, b5, b4, 0, b3, b2, b1, 0, 0, 0, 0, 0, 0 },
+ {0, 0, 0, 0, b6, 0, 0, b5, b4, 0, 0, b3, b2, b1, 0 }
+ };
+ matrix d1(15,15), d2(15,15), d3(15,15);
+ for (unsigned r=0; r<15; ++r) {
+ for (unsigned c=0; c<15; ++c) {
+ d1.set(r,c,w1[r][c]);
+ d2.set(r,c,w2[r][c]);
+ d3.set(r,c,w3[r][c]);
+ }
+ }
+ unsigned nops1 = nops(d1.determinant()); cout << '.' << flush;
+ unsigned nops2 = nops(d2.determinant()); cout << '.' << flush;
+ unsigned nops3 = nops(d3.determinant()); cout << '.' << flush;
+
+ if ((nops1 != 37490) || (nops2 != 37490) || (nops3 != 37490)) {
+ clog << "Determinants were miscalculated" << endl;
+ return 1;
+ }
+ return 0;
}
unsigned time_lw_O(void)
{
- unsigned result = 0;
- unsigned count = 0;
- timer rolex;
- double time = .0;
-
- cout << "timing Lewis-Wester test O1 (three 15x15 dets)" << flush;
- clog << "-------Lewis-Wester test O1 (three 15x15 dets)" << endl;
-
- rolex.start();
- // correct for very small times:
- do {
- result = test1();
- ++count;
- } while ((time=rolex.read())<0.1 && !result);
-
- if (!result) {
- cout << " passed ";
- clog << "(no output)" << endl;
- } else {
- cout << " failed ";
- }
- cout << int(1000*(time/(3*count)))*0.001 << "s (average)" << endl;
-
- return result;
+ unsigned result = 0;
+ unsigned count = 0;
+ timer rolex;
+ double time = .0;
+
+ cout << "timing Lewis-Wester test O1 (three 15x15 dets)" << flush;
+ clog << "-------Lewis-Wester test O1 (three 15x15 dets):" << endl;
+
+ if (do_test) {
+ rolex.start();
+ // correct for very small times:
+ do {
+ result = test1();
+ ++count;
+ } while ((time=rolex.read())<0.1 && !result);
+
+ if (!result) {
+ cout << " passed ";
+ clog << "(no output)" << endl;
+ } else {
+ cout << " failed ";
+ }
+ cout << int(1000*(time/(3*count)))*0.001 << "s (average)" << endl;
+ } else {
+ cout << " disabled" << endl;
+ clog << "(no output)" << endl;
+ }
+
+ return result;
}
git://www.ginac.de / ginac.git / blobdiff