+++ /dev/null
-/*************************************************************************
- * *
- * 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. *
- * *
- *************************************************************************/
-
-/* miscellaneous math functions. these are mostly useful for testing */
-
-#ifndef _ODE_MISC_H_
-#define _ODE_MISC_H_
-
-#include <ode/common.h>
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/* return 1 if the random number generator is working. */
-ODE_API int dTestRand(void);
-
-/* return next 32 bit random number. this uses a not-very-random linear
- * congruential method.
- */
-ODE_API unsigned long dRand(void);
-
-/* get and set the current random number seed. */
-ODE_API unsigned long dRandGetSeed(void);
-ODE_API void dRandSetSeed (unsigned long s);
-
-/* return a random integer between 0..n-1. the distribution will get worse
- * as n approaches 2^32.
- */
-ODE_API int dRandInt (int n);
-
-/* return a random real number between 0..1 */
-ODE_API dReal dRandReal(void);
-
-/* print out a matrix */
-#ifdef __cplusplus
-ODE_API void dPrintMatrix (const dReal *A, int n, int m, char *fmt = "%10.4f ",
- FILE *f=stdout);
-#else
-ODE_API void dPrintMatrix (const dReal *A, int n, int m, char *fmt, FILE *f);
-#endif
-
-/* make a random vector with entries between +/- range. A has n elements. */
-ODE_API void dMakeRandomVector (dReal *A, int n, dReal range);
-
-/* make a random matrix with entries between +/- range. A has size n*m. */
-ODE_API void dMakeRandomMatrix (dReal *A, int n, int m, dReal range);
-
-/* clear the upper triangle of a square matrix */
-ODE_API void dClearUpperTriangle (dReal *A, int n);
-
-/* return the maximum element difference between the two n*m matrices */
-ODE_API dReal dMaxDifference (const dReal *A, const dReal *B, int n, int m);
-
-/* return the maximum element difference between the lower triangle of two
- * n*n matrices */
-ODE_API dReal dMaxDifferenceLowerTriangle (const dReal *A, const dReal *B, int n);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif