From 79eca25c945a535a7a0325999034bae17da92412 Mon Sep 17 00:00:00 2001 From: dan miller Date: Fri, 19 Oct 2007 05:15:33 +0000 Subject: resubmitting ode --- libraries/ode-0.9/ode/src/testing.cpp | 243 ++++++++++++++++++++++++++++++++++ 1 file changed, 243 insertions(+) create mode 100644 libraries/ode-0.9/ode/src/testing.cpp (limited to 'libraries/ode-0.9\/ode/src/testing.cpp') diff --git a/libraries/ode-0.9/ode/src/testing.cpp b/libraries/ode-0.9/ode/src/testing.cpp new file mode 100644 index 0000000..a22f865 --- /dev/null +++ b/libraries/ode-0.9/ode/src/testing.cpp @@ -0,0 +1,243 @@ +/************************************************************************* + * * + * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. * + * All rights reserved. Email: russ@q12.org Web: www.q12.org * + * * + * This library is free software; you can redistribute it and/or * + * modify it under the terms of EITHER: * + * (1) The GNU Lesser General Public License as published by the Free * + * Software Foundation; either version 2.1 of the License, or (at * + * your option) any later version. The text of the GNU Lesser * + * General Public License is included with this library in the * + * file LICENSE.TXT. * + * (2) The BSD-style license that is included with this library in * + * the file LICENSE-BSD.TXT. * + * * + * This library is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files * + * LICENSE.TXT and LICENSE-BSD.TXT for more details. * + * * + *************************************************************************/ + +#include +#include +#include +#include "testing.h" + +#ifdef dDOUBLE +static const dReal tol = 1.0e-9; +#else +static const dReal tol = 1.0e-5f; +#endif + + +// matrix header on the stack + +struct dMatrixComparison::dMatInfo { + int n,m; // size of matrix + char name[128]; // name of the matrix + dReal *data; // matrix data + int size; // size of `data' +}; + + + +dMatrixComparison::dMatrixComparison() +{ + afterfirst = 0; + index = 0; +} + + +dMatrixComparison::~dMatrixComparison() +{ + reset(); +} + + +dReal dMatrixComparison::nextMatrix (dReal *A, int n, int m, int lower_tri, + char *name, ...) +{ + if (A==0 || n < 1 || m < 1 || name==0) dDebug (0,"bad args to nextMatrix"); + int num = n*dPAD(m); + + if (afterfirst==0) { + dMatInfo *mi = (dMatInfo*) dAlloc (sizeof(dMatInfo)); + mi->n = n; + mi->m = m; + mi->size = num * sizeof(dReal); + mi->data = (dReal*) dAlloc (mi->size); + memcpy (mi->data,A,mi->size); + + va_list ap; + va_start (ap,name); + vsprintf (mi->name,name,ap); + if (strlen(mi->name) >= sizeof (mi->name)) dDebug (0,"name too long"); + + mat.push (mi); + return 0; + } + else { + if (lower_tri && n != m) + dDebug (0,"dMatrixComparison, lower triangular matrix must be square"); + if (index >= mat.size()) dDebug (0,"dMatrixComparison, too many matrices"); + dMatInfo *mp = mat[index]; + index++; + + dMatInfo mi; + va_list ap; + va_start (ap,name); + vsprintf (mi.name,name,ap); + if (strlen(mi.name) >= sizeof (mi.name)) dDebug (0,"name too long"); + + if (strcmp(mp->name,mi.name) != 0) + dDebug (0,"dMatrixComparison, name mismatch (\"%s\" and \"%s\")", + mp->name,mi.name); + if (mp->n != n || mp->m != m) + dDebug (0,"dMatrixComparison, size mismatch (%dx%d and %dx%d)", + mp->n,mp->m,n,m); + + dReal maxdiff; + if (lower_tri) { + maxdiff = dMaxDifferenceLowerTriangle (A,mp->data,n); + } + else { + maxdiff = dMaxDifference (A,mp->data,n,m); + } + if (maxdiff > tol) + dDebug (0,"dMatrixComparison, matrix error (size=%dx%d, name=\"%s\", " + "error=%.4e)",n,m,mi.name,maxdiff); + return maxdiff; + } +} + + +void dMatrixComparison::end() +{ + if (mat.size() <= 0) dDebug (0,"no matrices in sequence"); + afterfirst = 1; + index = 0; +} + + +void dMatrixComparison::reset() +{ + for (int i=0; idata,mat[i]->size); + dFree (mat[i],sizeof(dMatInfo)); + } + mat.setSize (0); + afterfirst = 0; + index = 0; +} + + +void dMatrixComparison::dump() +{ + for (int i=0; iname,mat[i]->n,mat[i]->m); +} + +//**************************************************************************** +// unit test + +#include + +static jmp_buf jump_buffer; + +static void myDebug (int num, const char *msg, va_list ap) +{ + // printf ("(Error %d: ",num); + // vprintf (msg,ap); + // printf (")\n"); + longjmp (jump_buffer,1); +} + + +extern "C" ODE_API void dTestMatrixComparison() +{ + volatile int i; + printf ("dTestMatrixComparison()\n"); + dMessageFunction *orig_debug = dGetDebugHandler(); + + dMatrixComparison mc; + dReal A[50*50]; + + // make first sequence + unsigned long seed = dRandGetSeed(); + for (i=1; i<49; i++) { + dMakeRandomMatrix (A,i,i+1,1.0); + mc.nextMatrix (A,i,i+1,0,"A%d",i); + } + mc.end(); + + //mc.dump(); + + // test identical sequence + dSetDebugHandler (&myDebug); + dRandSetSeed (seed); + if (setjmp (jump_buffer)) { + printf ("\tFAILED (1)\n"); + } + else { + for (i=1; i<49; i++) { + dMakeRandomMatrix (A,i,i+1,1.0); + mc.nextMatrix (A,i,i+1,0,"A%d",i); + } + mc.end(); + printf ("\tpassed (1)\n"); + } + dSetDebugHandler (orig_debug); + + // test broken sequences (with matrix error) + dRandSetSeed (seed); + volatile int passcount = 0; + for (i=1; i<49; i++) { + if (setjmp (jump_buffer)) { + passcount++; + } + else { + dSetDebugHandler (&myDebug); + dMakeRandomMatrix (A,i,i+1,1.0); + A[(i-1)*dPAD(i+1)+i] += REAL(0.01); + mc.nextMatrix (A,i,i+1,0,"A%d",i); + dSetDebugHandler (orig_debug); + } + } + mc.end(); + printf ("\t%s (2)\n",(passcount == 48) ? "passed" : "FAILED"); + + // test broken sequences (with name error) + dRandSetSeed (seed); + passcount = 0; + for (i=1; i<49; i++) { + if (setjmp (jump_buffer)) { + passcount++; + } + else { + dSetDebugHandler (&myDebug); + dMakeRandomMatrix (A,i,i+1,1.0); + mc.nextMatrix (A,i,i+1,0,"B%d",i); + dSetDebugHandler (orig_debug); + } + } + mc.end(); + printf ("\t%s (3)\n",(passcount == 48) ? "passed" : "FAILED"); + + // test identical sequence again + dSetDebugHandler (&myDebug); + dRandSetSeed (seed); + if (setjmp (jump_buffer)) { + printf ("\tFAILED (4)\n"); + } + else { + for (i=1; i<49; i++) { + dMakeRandomMatrix (A,i,i+1,1.0); + mc.nextMatrix (A,i,i+1,0,"A%d",i); + } + mc.end(); + printf ("\tpassed (4)\n"); + } + dSetDebugHandler (orig_debug); +} -- cgit v1.1