Example #1
0
	void Matrix3::CreateRotationMatrixAboutZAxis(real degrees, Matrix3* result)
	{
		result->SetElem(0, cos(dtr(degrees)));
		result->SetElem(2, sin(dtr(degrees)));
		result->SetElem(6, -sin(dtr(degrees)));
		result->SetElem(8, cos(dtr(degrees)));
	}
Example #2
0
	void Matrix3::CreateRotationMatrixAboutXAxis(real degrees, Matrix3* result)
	{
		result->SetElem(4, cos(dtr(degrees)));
		result->SetElem(5, -sin(dtr(degrees)));
		result->SetElem(7, sin(dtr(degrees)));
		result->SetElem(8, cos(dtr(degrees)));
	}
Example #3
0
double
kepler(double m, double ecc)
{
    double e, delta;
#define EPSILON 1E-6

    e = m = dtr(m);
    do {
        delta = e - ecc * sin(e) - m;
        e -= delta / (1 - ecc * cos(e));
    } while (fabs(delta) > EPSILON);
    return e;
}
Example #4
0
void
sunpos(double jd, int apparent, double *ra, double *dec, double *rv, double* slong)
{
    double t, t2, t3, l, m, e, ea, v, theta, omega, eps;

    // Time, in Julian centuries of 36525 ephemeris days,
    // measured from the epoch 1900 January 0.5 ET.
    t = (jd - 2415020.0) / 36525.0;
    t2 = t * t;
    t3 = t2 * t;

    // Geometric mean longitude of the Sun, referred to the
    // mean equinox of the date.
    l = fixangle(279.69668 + 36000.76892 * t + 0.0003025 * t2);

    // Sun's mean anomaly.
    m = fixangle(358.47583 + 35999.04975*t - 0.000150*t2 - 0.0000033*t3);

    // Eccentricity of the Earth's orbit.
    e = 0.01675104 - 0.0000418 * t - 0.000000126 * t2;

    // Eccentric anomaly.
    ea = kepler(m, e);

    // True anomaly
    v = fixangle(2 * rtd(atan(sqrt((1 + e) / (1 - e))  * tan(ea / 2))));

    // Sun's true longitude.
    theta = l + v - m;

    // Obliquity of the ecliptic.
    eps = 23.452294 - 0.0130125 * t - 0.00000164 * t2 + 0.000000503 * t3;

    // Corrections for Sun's apparent longitude, if desired.
    if (apparent) {
        omega = fixangle(259.18 - 1934.142 * t);
        theta = theta - 0.00569 - 0.00479 * sin(dtr(omega));
        eps += 0.00256 * cos(dtr(omega));
    }

    // Return Sun's longitude and radius vector
    *slong = theta;
    *rv = (1.0000002 * (1 - e * e)) / (1 + e * cos(dtr(v)));

    // Determine solar co-ordinates.
    *ra = fixangle(rtd(atan2(cos(dtr(eps)) * sin(dtr(theta)), cos(dtr(theta)))));
    *dec = rtd(asin(sin(dtr(eps)) * sin(dtr(theta))));
}
Example #5
0
int _tmain(int argc, _TCHAR* argv[])
{
    __MessageBoxA(0, "", "", (int)_tmain);
    vx::detour dtr(L"user32.dll", "MessageBoxA", __MessageBoxA_Header);
    printf("__MessageA: %p %p\n", __MessageBoxA_Header, __MessageBoxA);
    MessageBoxA(0, "Hello, Detour Hooker", "Detour", MB_OK);
#if 0
    //__MessageBoxA_Header();
    printf("__MessageA: %p %p\n", __MessageBoxA_Header, __MessageBoxA);
  //patch_iat();
    vx::vector<std::wstring> mods;
    mods << L"" << L"gdi32.dll";
    mods << L"user32.dll" << L"kernel32.dll" << L"msvcrt.dll" << L"msvcr100d.dll";
    vx::ApiHooker& hkr = vx::ApiHooker::instance();//.LoadModules(mods);
    hkr.LoadModules(mods);
    //vx::MemoryManager::instance().calloc(10, 10, NULL);
    hkr.ReplaceFuntion(L"user32.dll", L"MessageBoxA", __MessageBoxA);
    hkr.ReplaceFuntion(L"user32.dll", L"MessageBoxW", __MessageBoxA);
    hkr.ReplaceFuntion(L"msvcrt.dll", L"malloc", __hooked_malloc);
    hkr.ReplaceFuntion(L"msvcr100d.dll", L"malloc", __hooked_malloc);
    hkr.ReplaceFuntion(L"msvcr100d.dll", L"??2@YAPAXI@Z", __hooked_operator_new);
    hkr.ReplaceFuntion(L"msvcr100d.dll", L"??3@YAXPAX@Z", __hooked_operator_delete);
    hkr.ReplaceFuntion(L"kernel32.dll", L"HeapAlloc", __hooked_HeapAlloc);

    int* p = new int[1000000];

    //要hook下面这个API
    MessageBoxA(0, "Hello, IAT Hooker", "IAT", MB_OK);
    char* p1 = (char*)malloc(10240000);
    //p1[0] = 1;

    //DebugBreakProcess(GetCurrentProcess());
    vx::ApiHooker::instance().RestoreAllFunctions();
#endif
    int ch = _getch();
    return 0 ;  
}
Example #6
0
void
projillum(short *wtab, int xdots, int ydots, double dec)
{
    int i, ftf = 1, ilon, ilat, lilon = 0, lilat = 0, xt;
    double m, x, y, z, th, lon, lat, s, c;

    // Clear unoccupied cells in width table
    for (i = 0; i < ydots; i++)
        wtab[i] = -1;

    // Build transformation for declination
    s = sin(-dtr(dec));
    c = cos(-dtr(dec));

    // Increment over a semicircle of illumination
    for (th = -(PI / 2); th <= PI / 2 + 0.001; th += PI / TERMINC) {
        // Transform the point through the declination rotation.
        x = -s * sin(th);
        y = cos(th);
        z = c * sin(th);

        // Transform the resulting co-ordinate through the
        // map projection to obtain screen co-ordinates.
        lon = (y == 0 && x == 0) ? 0.0 : rtd(atan2(y, x));
        lat = rtd(asin(z));

        ilat = int(ydots - (lat + 90) * (ydots / 180.0));
        ilon = int(lon * (xdots / 360.0));

        if (ftf) {
            // First time.  Just save start co-ordinate.
            lilon = ilon;
            lilat = ilat;
            ftf = 0;
        } else {
            // Trace out the line and set the width table.
            if (lilat == ilat) {
                wtab[(ydots - 1) - ilat] = ilon == 0 ? 1 : ilon;
            } else {
                m = ((double) (ilon - lilon)) / (ilat - lilat);
                for (i = lilat; i != ilat; i += sgn(ilat - lilat)) {
                    xt = int(lilon + (int)floor((m * (i - lilat)) + 0.5));
                    wtab[(ydots - 1) - i] = xt == 0 ? 1 : xt;
                }
            }
            lilon = ilon;
            lilat = ilat;
        }
    }

    // Now tweak the widths to generate full illumination for the correct pole.
    if (dec < 0.0) {
        ilat = ydots - 1;
        lilat = -1;
    } else {
        ilat = 0;
        lilat = 1;
    }

    for (i = ilat; i != ydots / 2; i += lilat) {
        if (wtab[i] != -1) {
            while (1) {
                wtab[i] = xdots / 2;
                if (i == ilat)
                    break;
                i -= lilat;
            }
            break;
        }
    }
}
Example #7
0
int restart_zprimme(Complex_Z *V, Complex_Z *W, Complex_Z *H, Complex_Z *hVecs,
   double *hVals, int *flags, int *iev, Complex_Z *evecs, Complex_Z *evecsHat, 
   Complex_Z *M, Complex_Z *UDU, int *ipivot, int basisSize, int numConverged, 
   int *numConvergedStored, int numLocked, int numGuesses, 
   Complex_Z *previousHVecs, int numPrevRetained, double machEps, 
   Complex_Z *rwork, int rworkSize, primme_params *primme) {
  
   int numFree;             /* The number of basis vectors to be left free    */
   int numPacked;           /* The number of coefficient vectors moved to the */
                            /* end of the hVecs array.                        */
   int restartSize;         /* The number of vectors to restart with          */
   int indexOfPreviousVecs=0; /* Position within hVecs array the previous       */
                            /* coefficient vectors will be stored             */
   int i, n, eStart;        /* various variables                              */
   int ret;                 /* Return value                                   */

   numPacked = 0;

   /* --------------------------------------------------------------------- */
   /* If dynamic thick restarting is to be used, then determine the minimum */
   /* number of free spaces to be maintained and call the DTR routine.      */
   /* The DTR routine will determine how many coefficient vectors from the  */
   /* left and right of H-spectrum to retain at restart. If DTR is not used */
   /* then set the restart size to the minimum restart size.                */
   /* --------------------------------------------------------------------- */

   if (primme->restartingParams.scheme == primme_dtr) {
      numFree = numPrevRetained+max(3, primme->maxBlockSize);
      restartSize = dtr(numLocked, hVecs, hVals, flags, basisSize, numFree, 
                        iev, rwork, primme);
   }
   else {
      restartSize = min(basisSize, primme->minRestartSize);
   }

   /* ----------------------------------------------------------------------- */
   /* If locking is engaged, then swap coefficient vectors corresponding to   */
   /* converged Ritz vectors to the end of the hVecs(:, restartSize) subarray.*/
   /* This allows the converged Ritz vectors to be stored contiguously in     */
   /* memory after restart.  This significantly reduces the amount of data    */
   /* movement the locking routine would have to perform otherwise.           */
   /* The following function also covers some limit cases where restartSize   */
   /* plus 'to be locked' and previous Ritz vectors may exceed the basisSize  */
   /* ----------------------------------------------------------------------- */

   if (primme->locking) {
      numPacked = pack_converged_coefficients(&restartSize, basisSize, 
         &numPrevRetained, numLocked, numGuesses, hVecs, hVals, flags, primme);
   }

   /* ----------------------------------------------------------------------- */
   /* Restarting with a small number of coefficient vectors from the previous */
   /* iteration can be retained to accelerate convergence.  The previous      */
   /* coefficient vectors must be combined with the current coefficient       */
   /* vectors by first orthogonalizing the previous ones versus the current   */
   /* restartSize ones.  The orthogonalized previous vectors are then         */
   /* inserted into the hVecs array at hVecs(:,indexOfPreviousVecs).          */
   /* ----------------------------------------------------------------------- */

   if (numPrevRetained > 0) {
      indexOfPreviousVecs = combine_retained_vectors(hVals, flags, hVecs,
         basisSize, &restartSize, numPacked, previousHVecs, 
         &numPrevRetained, machEps, rwork, primme);
   }

   /* -------------------------------------------------------- */
   /* Restart V by replacing it with the current Ritz vectors. */
   /* -------------------------------------------------------- */

   restart_X(V, hVecs, primme->nLocal, basisSize, restartSize, rwork,rworkSize);
   
   /* ------------------------------------------------------------ */
   /* Restart W by replacing it with W times the eigenvectors of H */
   /* ------------------------------------------------------------ */

   restart_X(W, hVecs, primme->nLocal, basisSize, restartSize, rwork,rworkSize);

   /* ---------------------------------------------------------------- */
   /* Because we have replaced V by the Ritz vectors, V'*A*V should be */
   /* diagonal with the Ritz values on the diagonal.  The eigenvectors */
   /* of the new matrix V'*A*V become the standard basis vectors.      */
   /* ---------------------------------------------------------------- */

   ret = restart_H(H, hVecs, hVals, restartSize, basisSize, previousHVecs, 
      numPrevRetained, indexOfPreviousVecs, rworkSize, rwork, primme);

   if (ret != 0) {
      primme_PushErrorMessage(Primme_restart, Primme_restart_h, ret, __FILE__, 
         __LINE__, primme);
      return RESTART_H_FAILURE;
   }

   /* --------------------------------------------------------------------- */
   /* If the user requires (I-QQ') projectors in JDQMR without locking,     */
   /* the converged eigenvectors are copied temporarily to evecs. There     */
   /* they stay locked  for use in (I-QQ') and (I-K^{-1}Q () Q') projectors.*/
   /* NOTE THIS IS NOT LOCKING! The Ritz vectors remain in the basis, and   */
   /* they will overwrite evecs at the end.                                 */
   /* We recommend against this type of usage. It's better to use locking.  */
   /* --------------------------------------------------------------------- */

   /* Andreas NOTE: is done inefficiently for the moment. We should only */
   /* add the recently converged. But we need to differentiate them      */
   /* from flags...                                                      */

   if (!primme->locking && primme->correctionParams.maxInnerIterations != 0 && 
        numConverged > 0 &&
        (primme->correctionParams.projectors.LeftQ ||
         primme->correctionParams.projectors.RightQ )  ) {

       n = primme->nLocal;
       *numConvergedStored = 0;
       eStart = primme->numOrthoConst;

       for (i=0;i<primme->numEvals;i++) {
           if (flags[i] == CONVERGED) {
              if (*numConvergedStored < numConverged) {
                 Num_zcopy_zprimme(n, &V[i*n], 1, 
                              &evecs[(eStart+*numConvergedStored)*n], 1);
                 (*numConvergedStored)++;
              }
           } /* if converged */
       } /* for */
       if (*numConvergedStored != numConverged) {
          if (primme->printLevel >= 1 && primme->procID == 0) {
             fprintf(primme->outputFile, 
             "Flags and converged eigenpairs do not correspond %d %d\n",
                numConverged, *numConvergedStored);
          }
          return PSEUDOLOCK_FAILURE;
       }

      /* Update also the M = K^{-1}evecs and its udu factorization if needed */
      if (UDU != NULL) {

         apply_preconditioner_block(&evecs[eStart*n], &evecsHat[eStart*n], 
                                    numConverged, primme );
         /* rwork must be maxEvecsSize*numEvals! */
         update_projection_zprimme(evecs, evecsHat, M, eStart*n,
           primme->numOrthoConst+primme->numEvals, numConverged, rwork, primme);

         ret = UDUDecompose_zprimme(M, UDU, ipivot, eStart+numConverged, 
                         rwork, rworkSize, primme);
         if (ret != 0) {
            primme_PushErrorMessage(Primme_lock_vectors,Primme_ududecompose,ret,
               __FILE__, __LINE__, primme);
            return UDUDECOMPOSE_FAILURE;
         }
      } /* if UDU factorization is needed */
   } /* if this pseudo locking should take place */

   return restartSize;
}
Example #8
0
 //`gen_game (d)` generates a game with `d` doors modeled as a
 //winning door, a player selected door and the door to keep closed
 //before asking if the player wants to switch
 std::tuple<int, int, int> gen_game (int d) {
   int w = detail::rand (d), p = detail::rand (d);
   return std::make_tuple (w, p, dtr (w, p, d));
 }