Commit 4de74d6d authored by Giovanni La Mura's avatar Giovanni La Mura
Browse files

Complete migration of FRFME to C++

parent 458a0ad3

src/include/tra_subs.h

+48 −1
Original line number Diff line number Diff line
@@ -7,12 +7,58 @@ 
#endif



//Externally defined subroutines

extern std::complex<double> dconjg(std::complex<double> z);

extern void sphar(

	   double cosrth, double sinrth, double cosrph, double sinrph,

	   int ll, std::complex<double> *ylm

);

//End of externally defined subroutines



/*! C++ porting of PWMALP

 *

 * \param w: Matrix of complex. QUESTION: definition?

 * \param up: `double *`

 * \param un: `double *`

 * \param ylm: Vector of complex

 * \param lw: `int`

 */

void pwmalp(std::complex<double> **w, double *up, double *un, std::complex<double> *ylm, int lw) {

  std::complex<double> cp1, cm1, cp2, cm2, cl;

  const std::complex<double> uim(0.0, 1.0);

  const double four_pi = acos(0.0) * 8.0;

  const int nlwm = lw * (lw + 2);

  cm1 = 0.5 * std::complex<double>(up[0], up[1]);

  cp1 = 0.5 * std::complex<double>(up[0], -up[1]);

  double cz1 = up[2];

  cm2 = 0.5 * std::complex<double>(un[0], un[1]);

  cp2 = 0.5 * std::complex<double>(un[0], -un[1]);

  double cz2 =un[2];

  for (int l20 = 1; l20 <= lw; l20++) {

    int lf = l20 + 1;

    int lftl = lf * l20;

    double x = 1.0 * lftl;

    std::complex<double> cl = std::pow((four_pi / sqrt(x)) * uim, 1.0 * l20);

    int mv = l20 + lf;

    int m = -lf;

    for (int mf20 = 1; mf20 <= mv; mf20++) {

      m++;

      int k = lftl + m;

      x = 1.0 * (lftl - m * (m + 1));

      double cp = sqrt(x);

      x = 1.0 * (lftl - m * (m - 1));

      double cm = sqrt(x);

      double cz = 1.0 * m;

      w[k - 1][0] = dconjg(cp1 * cp * ylm[k + 1] + cm1 * cm * ylm[k - 1] + cz1 * cz * ylm[k]) * cl;

      w[k - 1][1] = dconjg(cp2 * cp * ylm[k + 1] + cm2 * cm * ylm[k - 1] + cz2 * cz * ylm[k]) * cl;

    } // mf20 loop

  } // l20 loop

  for (int k30 = 0; k30 < nlwm; k30++) {

    int i = k30 + nlwm;

    w[i][0] = uim * w[k30][1];

    w[i][1] = -uim * w[k30][0];

  } // k30 loop

}



/*! C++ porting of WAMFF

 *

 * \param wk: Vector of complex. QUESTION: definition?
@@ -103,6 +149,7 @@ void wamff( 
    un[1] = cph;

    un[2] = 0.0;

    // Would call PWMALP(W,UP,UN,YLM,LM)

    pwmalp(w, up, un, ylm, lm);

    double apfa = sth * apfafa;

    if (spd > 0.0) {

      double sthl = sth * rir;
@@ -206,7 +253,7 @@ void frfmer( 
      double vkn = sqrt(sqn);

      if (vkn <= vknmx) {

	double vkz = sqrt(sq - sqn);

	// Would call WAMFF(WK,VKX,VKY,VKZ,LE,APFAFA,TRA,SPD,RIR,FTCN,LMODE,PMF)

	wamff(wk, vkx, vky, vkz, le, apfafa, tra, spd, rir, ftcn, lmode, pmf);

	for (int j = 0; j < nlemt; j++) {

	  double vreal = wk[j].real();

	  double vimag = wk[j].imag();

src/trapping/frfme.cpp

+110 −12
Original line number Diff line number Diff line
@@ -24,12 +24,15 @@ using namespace std; 
int main() {

  string data_file = "../../test_data/trapping/DFRFME";

  string output_path = ".";

  string tfrfme_name = output_path + "/c_TFRFME";

  fstream tfrfme;

  char namef[7];

  char more;

  double *xv = NULL, *yv = NULL, *zv = NULL;

  double *vkv = NULL, **vkzm = NULL;

  complex<double> *wk = NULL, **w = NULL, **wsum = NULL;

  const complex<double> cc0(0.0, 0.0);

  const complex<double> uim(0.0, 1.0);

  int line_count = 0, last_read_line = 0;

  regex re = regex("-?[0-9]+");

  string *file_lines = load_file(data_file, &line_count);
@@ -53,8 +56,7 @@ int main() { 
  // End of vector size variables

  if (jlmf != 1) {

    int nxv, nyv, nzv;

    fstream tfrfme;

    tfrfme.open("c_TFRFME", ios::in | ios::binary);

    tfrfme.open(tfrfme_name, ios::in | ios::binary);

    if (tfrfme.is_open()) {

      tfrfme.read(reinterpret_cast<char *>(&lmode), sizeof(int));

      tfrfme.read(reinterpret_cast<char *>(&lm), sizeof(int));
@@ -79,7 +81,7 @@ int main() { 
      fstream temptape2;

      temptape2.open("c_TEMPTAPE2", ios::in | ios::binary);

      if (temptape2.is_open()) {

	vkv = new double[nkv]();

	//vkv = new double[nkv]();

	for (int jx = 0; jx < nkv; jx++) temptape2.read(reinterpret_cast<char *>(&(vkv[jx])), sizeof(double));

	vkzm = new double*[nkv];

	vkzm_size = nkv;
@@ -106,9 +108,6 @@ int main() { 
      } else {

	printf("ERROR: could not open TEMPTAPE2 file.\n");

      }

      wsum = new complex<double>*[nlmmt];

      wsum_size = nlmmt;

      for (int wsi = 0; wsi < jlmf - 1; wsi++) wsum[wsi] = new complex<double>[nrvc]();

      for (int ixyz12 = 0; ixyz12 < nrvc; ixyz12++) {

	for (int j12 = 0; j12 < jlmf - 1; j12++) {

	  double vreal, vimag;
@@ -220,8 +219,6 @@ int main() { 
	// label 22

	nlmmt = lm * (lm + 2) * 2;

	nks = nksh * 2;

	//wsum = new complex<double>*[nlmmt];

	wsum_size = nlmmt;

	nkv = nks + 1;

	double vkm = vk * exri;

	vknmx = vk * an;
@@ -259,14 +256,15 @@ int main() { 
	} // i27 loop

	int nrvc = nxv * nyv * nzv;

	int nkshpo = nksh + 1;

	wsum = new complex<double>*[nlmmt];

	wsum_size = nlmmt;

	for (int wsi = 0; wsi < nlmmt; wsi++) wsum[wsi] = new complex<double>[nrvc]();

	vkv = new double[nkv]();

	// vkv[nksh] = 0.0;

	for (int i28 = nkshpo; i28 <= nks; i28++) {

	  vkv[i28] = vkv[i28 - 1] + delk;

	  vkv[nkv - i28 - 1] = -vkv[i28];

	} // i28 loop

	fstream tfrfme;

	string tfrfme_name = output_path + "/c_TFRFME";

	tfrfme.open(tfrfme_name.c_str(), ios::out | ios::binary);

	if (tfrfme.is_open()) {

	  tfrfme.write(reinterpret_cast<char *>(&lmode), sizeof(int));
@@ -297,7 +295,6 @@ int main() { 
	  for (int jx = 0; jx < nkv; jx++)

	    temptape2.write(reinterpret_cast<char *>(&(vkv[jx])), sizeof(double));

	  frfmer(nkv, vkm, vkv, vknmx, apfafa, tra, spd, rir, ftcn, lm, lmode, pmf, temptape1, temptape2);

	  temptape1.write(reinterpret_cast<char *>(&apfafa), sizeof(double)); // Place-holder

	  temptape1.close();

	  temptape2.write(reinterpret_cast<char *>(&apfafa), sizeof(double));

	  temptape2.write(reinterpret_cast<char *>(&pmf), sizeof(double));
@@ -313,7 +310,103 @@ int main() { 
	  temptape2.write(reinterpret_cast<char *>(&nlmmt), sizeof(int));

	  temptape2.write(reinterpret_cast<char *>(&nrvc), sizeof(int));

	  temptape2.close();

	  temptape2.open("c_TEMPTAPE2", ios::in | ios::binary);

	  vkv = new double[nkv]();

	  for (int jx = 0; jx < nkv; jx++)

	    temptape2.read(reinterpret_cast<char *>(&(vkv[jx])), sizeof(double));

	  vkzm = new double*[nkv];

	  vkzm_size = nkv;

	  for (int vki = 0; vki < nkv; vki++) vkzm[vki] = new double[nkv]();

	  for (int jy40 = 0; jy40 < nkv; jy40++) {

	    for (int jx40 = 0; jx40 < nkv; jx40++)

	      temptape2.read(reinterpret_cast<char *>(&(vkzm[jx40][jy40])), sizeof(double));

	  } // jy40 loop

	  temptape2.close();

	  wk = new complex<double>[nlmmt];

	  w = new complex<double>*[nkv];

	  for (int wi = 0; wi < nkv; wi++) w[wi] = new complex<double>[nkv]();

	  for (int j80 = jlmf - 1; j80 < jlml; j80++) {

	    temptape1.open("c_TEMPTAPE1", ios::in | ios::binary);

	    for (int jy50 = 0; jy50 < nkv; jy50++) {

	      for (int jx50 = 0; jx50 < nkv; jx50++) {

		for (int i = 0; i < nlmmt; i++) {

		  double vreal, vimag;

		  temptape1.read(reinterpret_cast<char *>(&vreal), sizeof(double));

		  temptape1.read(reinterpret_cast<char *>(&vimag), sizeof(double));

		  wk[i] = complex<double>(vreal, vimag);

		}

		w[jx50][jy50] = wk[j80];

	      } // jx50

	    } // jy50 loop

	    temptape1.close();

	    int ixyz = 0;

	    for (int iz75 = 0; iz75 < nzv; iz75++) {

	      double z = zv[iz75]  + frsh;

	      for (int iy70 = 0; iy70 < nyv; iy70++) {

		double y = yv[iy70];

		for (int ix65 = 0; ix65 < nxv; ix65++) {

		  double x = xv[ix65];

		  ixyz++;

		  complex<double> sumy = cc0;

		  for (int jy60 = 0; jy60 < nkv; jy60++) {

		    double vky = vkv[jy60];

		    double vkx = vkv[nkv - 1];

		    double vkzf = vkzm[0][jy60];

		    complex<double> phasf = exp(uim * (-vkx * x + vky * y +vkzf * z));

		    double vkzl = vkzm[nkv - 1][jy60];

		    complex<double> phasl = exp(uim * (vkx * x + vky * y + vkzl * z));

		    complex<double> sumx = 0.5 * (w[0][jy60] * phasf + w[nkv - 1][jy60] * phasl);

		    for (int jx55 = 1; jx55 < nks; jx55++) {

		      vkx = vkv[jx55];

		      double vkz = vkzm[jx55][jy60];

		      complex<double> phas = exp(uim * (vkx * x + vky * y + vkz * z));

		      sumx += (w[jx55][jy60] * phas);

		    } // jx55 loop

		    if (jy60 == 0 || jy60 == nkv - 1) sumx *= 0.5;

		    sumy += sumx;

		  } // jy60 loop

		  wsum[j80][ixyz - 1] = sumy * delks;

		} // ix65 loop

	      } // iy70 loop

	    } // iz75 loop

	  } // j80 loop

	  if (jlmf != 1) {

	    tfrfme.open(tfrfme_name, ios::in | ios::out | ios::binary);

	    tfrfme.read(reinterpret_cast<char *>(&lmode), sizeof(int));

	    tfrfme.read(reinterpret_cast<char *>(&lm), sizeof(int));

	    tfrfme.read(reinterpret_cast<char *>(&nkv), sizeof(int));

	    tfrfme.read(reinterpret_cast<char *>(&nxv), sizeof(int));

	    tfrfme.read(reinterpret_cast<char *>(&nyv), sizeof(int));

	    tfrfme.read(reinterpret_cast<char *>(&nzv), sizeof(int));

	    tfrfme.read(reinterpret_cast<char *>(&vk), sizeof(double));

	    tfrfme.read(reinterpret_cast<char *>(&exri), sizeof(double));

	    tfrfme.read(reinterpret_cast<char *>(&an), sizeof(double));

	    tfrfme.read(reinterpret_cast<char *>(&ff), sizeof(double));

	    tfrfme.read(reinterpret_cast<char *>(&tra), sizeof(double));

	    tfrfme.read(reinterpret_cast<char *>(&spd), sizeof(double));

	    tfrfme.read(reinterpret_cast<char *>(&frsh), sizeof(double));

	    tfrfme.read(reinterpret_cast<char *>(&exril), sizeof(double));

	    for (int i = 0; i < nxv; i++) tfrfme.read(reinterpret_cast<char *>(&(xv[i])), sizeof(double));

	    for (int i = 0; i < nyv; i++) tfrfme.read(reinterpret_cast<char *>(&(yv[i])), sizeof(double));

	    for (int i = 0; i < nzv; i++) tfrfme.read(reinterpret_cast<char *>(&(zv[i])), sizeof(double));

	  }

	  // label 88

	  for (int ixyz = 0; ixyz < nrvc; ixyz++) {

	    for (int j = 0; j< jlml; j++) {

	      double vreal = wsum[j][ixyz].real();

	      double vimag = wsum[j][ixyz].imag();

	      tfrfme.write(reinterpret_cast<char *>(&vreal), sizeof(double));

	      tfrfme.write(reinterpret_cast<char *>(&vimag), sizeof(double));

	    } // j loop

	  } // ixyz loop

	  tfrfme.close();

	  string output_name = output_path + "/c_OFRFME";

	  FILE *output = fopen(output_name.c_str(), "w");

	  fprintf(output, " IF JLML < NLMMT, PRESERVE TEMPTAPE1, TEMPTAPE2, AND TFRFRME,\n");

	  fprintf(output, " AND RESTART LM RUN WITH JLMF = JLML+1\n");

	  if (spd > 0.0) fprintf(output, "  FRSHMX =%15.7lE\n", fshmx);

	  fprintf(output, "  FRSH =%15.7lE\n", frsh);

	  fclose(output);

	} else { // Should never happen.

	  printf("ERROR: could not open TFRFME file for output.\n");

	}
@@ -328,7 +421,7 @@ int main() { 
    }

  }

  // label 45

  

  if (tfrfme.is_open()) tfrfme.close();

  delete[] file_lines;

  if (xv != NULL) delete[] xv;

  if (yv != NULL) delete[] yv;
@@ -342,6 +435,11 @@ int main() { 
    for (int wsi = wsum_size - 1; wsi > -1; wsi--) delete[] wsum[wsi];

    delete[] wsum;

  }

  if (wk != NULL) delete[] wk;

  if (w != NULL) {

    for (int wi = nkv - 1; wi > -1; wi--) delete[] w[wi];

    delete[] w;

  }

  printf("Done.\n");

  return 0;

}