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125 lines
2.4 KiB
Plaintext
125 lines
2.4 KiB
Plaintext
/*
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* Copyright (c) 1995 Ernest Bowen and Landon Curt Noll
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* Permission is granted to use, distribute, or modify this source,
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* provided that this copyright notice remains intact.
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*
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* By: Ernest Bowen and Landon Curt Noll
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* ernie@neumann.une.edu.au and http://reality.sgi.com/chongo
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*
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* This library is used by the 3300 series of the regress.cal test suite.
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*/
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global defaultverbose = 1; /* default verbose value */
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global err;
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define testi(str, n, N, verbose)
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{
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local A, t, i, j, d1, d2;
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local m;
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if (isnull(verbose)) verbose = defaultverbose;
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if (verbose > 0) {
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print str:":",:;
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}
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if (isnull(N))
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N = 1e6;
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mat A[n,n];
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for (i = 0; i < n; i++)
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for (j = 0; j < n; j++)
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A[i,j] = rand(-N, N);
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t = runtime();
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d1 = det(A);
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t = runtime() - t;
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d2 = det(A^2);
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if (d2 != d1^2) {
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if (verbose > 0) {
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printf("*** Failure for n=%d, N=%d, d1=%d\n", n, N, d1);
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}
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return 1; /* error */
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} else {
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if (verbose > 0) {
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printf("no errors\n");
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}
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if (verbose > 1) {
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printf("ok: n=%d, N=%d, d1=%d, t=%d\n", n, N, d1, t);
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}
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}
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return 0; /* ok */
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}
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define testr(str, n, N, verbose)
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{
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local A, t, i, j, d1, d2;
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if (isnull(verbose)) verbose = defaultverbose;
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if (verbose > 0) {
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print str:":",:;
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}
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if (isnull(N))
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N = 1e6;
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mat A[n,n];
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for (i = 0; i < n; i++)
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for (j = 0; j < n; j++)
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A[i,j] = rand(-(N^2), N^2)/rand(1, N);
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t = runtime();
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d1 = det(A);
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t = runtime() - t;
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d2 = det(A^2);
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if (d2 != d1^2) {
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if (verbose > 0) {
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printf("*** Failure for n=%d, N=%d, d1=%d\n", n, N, d1);
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}
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return 1; /* error */
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} else {
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if (verbose > 0) {
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printf("no errors\n");
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}
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if (verbose > 1) {
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printf("ok: n=%d, N=%d, d1=%d, t=%d\n", n, N, d1, t);
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}
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}
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return 0; /* ok */
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}
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/*
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* test3300 - perform all of the above tests a bunch of times
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*/
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define test3300(verbose, tnum)
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{
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local N; /* test parameter */
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local i;
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/*
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* set test parameters
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*/
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if (isnull(verbose)) {
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verbose = defaultverbose;
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}
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N = 1e6;
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srand(3300e3300);
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/*
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* test a lot of stuff
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*/
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for (i=0; i < 19; ++i) {
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err += testi(strcat(str(tnum++), ": testi(", str(i), ")"), \
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i, N, verbose);
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}
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for (i=0; i < 9; ++i) {
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err += testr(strcat(str(tnum++), ": testr(", str(i), ")"), \
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i, N, verbose);
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}
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/*
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* test results
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*/
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if (verbose > 1) {
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if (err) {
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print "***", err, "error(s) found in testall";
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} else {
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print "no errors in testall";
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}
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}
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return tnum;
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}
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