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#include <..\header\basic_parameters.h>
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#include<math.h>
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float k14_re = 1;
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float k14_im = 1;
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float k14_bis_re = 1;
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float k14_bis_im = 1;
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float k14_tris_re = 1;
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float k14_tris_im = 1;
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float k15_re = 1;
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float k15_im = 1;
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float k15_bis_re = 1;
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float k15_bis_im = 1;
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float k24_re = 1;
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float k24_im = 1;
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float k24_bis_re = 1;
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float k24_bis_im = 1;
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float k24_tris_re = 1;
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float k24_tris_im = 1;
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float k25_re = 1;
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float k25_im = 1;
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float k25_bis_re = 1;
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float k25_bis_im = 1;
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float k34_re = 1;
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float k34_im = 1;
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float k44 = 1;
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float k55 = 1;
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float k45_re = 1;
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float k45_im = 1;
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float alpha_M = M_PI/4;
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void BP1_set(){
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int i, j;
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unsigned char tmp_u_char;
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unsigned char * pt_char;
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float PSDB, PSDE;
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float NVEC_V0, NVEC_V1, NVEC_V2;
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float significand;
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int exponent;
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float aux, tr_SB_SB, tmp;
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float e_cross_b_re, e_cross_b_im;
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float n_cross_e_scal_b_re = 0, n_cross_e_scal_b_im = 0;
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float nx = 0, ny = 0;
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float bz_bz_star = 0;
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for(i=0; i<NB_BINS_COMPRESSED_MATRIX_f0; i++){
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//==============================================
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// BP1 PSD == B PAR_LFR_SC_BP1_PE_FL0 == 16 bits
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PSDB = compressed_spectral_matrix_f0[i*30] // S11
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+ compressed_spectral_matrix_f0[i*30+10] // S22
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+ compressed_spectral_matrix_f0[i*30+18]; // S33
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significand = frexp(PSDB, &exponent);
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pt_char = (unsigned char*) &PSDB;
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LFR_BP1_F0[i*9+8] = pt_char[0]; // bits 31 downto 24 of the float
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LFR_BP1_F0[i*9+7] = pt_char[1]; // bits 23 downto 16 of the float
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//==============================================
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// BP1 PSD == E PAR_LFR_SC_BP1_PB_FL0 == 16 bits
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PSDE = compressed_spectral_matrix_f0[i*30+24] * k44 // S44
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+ compressed_spectral_matrix_f0[i*30+28] * k55 // S55
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+ compressed_spectral_matrix_f0[i*30+26] * k45_re // S45
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- compressed_spectral_matrix_f0[i*30+27] * k45_im; // S45
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pt_char = (unsigned char*) &PSDE;
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LFR_BP1_F0[i*9+6] = pt_char[0]; // bits 31 downto 24 of the float
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LFR_BP1_F0[i*9+5] = pt_char[1]; // bits 23 downto 16 of the float
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//==============================================================================
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// BP1 normal wave vector == PAR_LFR_SC_BP1_NVEC_V0_F0 == 8 bits
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// == PAR_LFR_SC_BP1_NVEC_V1_F0 == 8 bits
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// == PAR_LFR_SC_BP1_NVEC_V2_F0 == 1 bits
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tmp = sqrt(
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compressed_spectral_matrix_f0[i*30+3]*compressed_spectral_matrix_f0[i*30+3] //Im S12
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+compressed_spectral_matrix_f0[i*30+5]*compressed_spectral_matrix_f0[i*30+5] //Im S13
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+compressed_spectral_matrix_f0[i*30+5]*compressed_spectral_matrix_f0[i*30+13] //Im S23
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);
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NVEC_V0 = compressed_spectral_matrix_f0[i*30+13] / tmp; // Im S23
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NVEC_V1 = -compressed_spectral_matrix_f0[i*30+5] / tmp; // Im S13
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NVEC_V2 = compressed_spectral_matrix_f0[i*30+1] / tmp; // Im S12
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LFR_BP1_F0[i*9+4] = (char) (NVEC_V0*256);
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LFR_BP1_F0[i*9+3] = (char) (NVEC_V1*256);
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pt_char = (unsigned char*) &NVEC_V2;
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LFR_BP1_F0[i*9+2] = pt_char[0] & 0x80; // extract the sign of NVEC_V2
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//=======================================================
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// BP1 ellipticity == PAR_LFR_SC_BP1_ELLIP_F0 == 4 bits
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aux = 2*tmp / PSDB; // compute the ellipticity
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tmp_u_char = (unsigned char) (aux*(16-1)); // convert the ellipticity
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LFR_BP1_F0[i*9+2] = LFR_BP1_F0[i*9+2] | ((tmp_u_char&0x0f)<<3); // keeps 4 bits of the resulting unsigned char
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//==============================================================
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// BP1 degree of polarization == PAR_LFR_SC_BP1_DOP_F0 == 3 bits
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for(j = 0; j<NB_VALUES_PER_SPECTRAL_MATRIX;j++){
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tr_SB_SB = compressed_spectral_matrix_f0[i*30]*compressed_spectral_matrix_f0[i*30]
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+ compressed_spectral_matrix_f0[i*30+10]*compressed_spectral_matrix_f0[i*30+10]
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+ compressed_spectral_matrix_f0[i*30+18]*compressed_spectral_matrix_f0[i*30+18]
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+ 2 * compressed_spectral_matrix_f0[i*30+2]*compressed_spectral_matrix_f0[i*30+2]
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+ 2 * compressed_spectral_matrix_f0[i*30+3]*compressed_spectral_matrix_f0[i*30+3]
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+ 2 * compressed_spectral_matrix_f0[i*30+4]*compressed_spectral_matrix_f0[i*30+4]
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+ 2 * compressed_spectral_matrix_f0[i*30+5]*compressed_spectral_matrix_f0[i*30+5]
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+ 2 * compressed_spectral_matrix_f0[i*30+12]*compressed_spectral_matrix_f0[i*30+12]
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+ 2 * compressed_spectral_matrix_f0[i*30+13]*compressed_spectral_matrix_f0[i*30+13];
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}
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aux = PSDB*PSDB;
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tmp = ( 3*tr_SB_SB - aux ) / ( 2 * aux );
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tmp_u_char = (unsigned char) (NVEC_V0*(8-1));
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LFR_BP1_F0[i*9+2] = LFR_BP1_F0[i*9+2] | ((tmp_u_char&0x07)); // keeps 3 bits of the resulting unsigned char
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//=======================================================================================
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// BP1 z-component of the normalized Poynting flux == PAR_LFR_SC_BP1_SZ_F0 == 8 bits (7+1)
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e_cross_b_re = compressed_spectral_matrix_f0[i*30+20]*k34_re
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+ compressed_spectral_matrix_f0[i*30+6]*k14_re
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+ compressed_spectral_matrix_f0[i*30+8]*k15_re
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+ compressed_spectral_matrix_f0[i*30+14]*k24_re
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+ compressed_spectral_matrix_f0[i*30+16]*k25_re;
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e_cross_b_im = compressed_spectral_matrix_f0[i*30+21]*k34_im
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+ compressed_spectral_matrix_f0[i*30+7]*k14_im
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+ compressed_spectral_matrix_f0[i*30+9]*k15_im
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+ compressed_spectral_matrix_f0[i*30+15]*k24_im
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+ compressed_spectral_matrix_f0[i*30+17]*k25_im;
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tmp = e_cross_b_re / PSDE; // compute ReaSz
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LFR_BP1_F0[i*9+1] = ((unsigned char) (tmp * 128)) & 0x7f; // is it always positive?
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tmp = e_cross_b_re * e_cross_b_im;
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pt_char = (unsigned char*) &tmp;
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LFR_BP1_F0[i*9+1] = LFR_BP1_F0[i*9+1] | (pt_char[0] & 0x80); // extract the sign of ArgSz
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//======================================================================
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// BP1 phase velocity estimator == PAR_LFR_SC_BP1_VPHI_F0 == 8 bits (7+1)
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nx = -sin(alpha_M)*NVEC_V0 - cos(alpha_M)*NVEC_V1;
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ny = NVEC_V2;
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bz_bz_star = cos(alpha_M) * cos(alpha_M) * compressed_spectral_matrix_f0[i*30] // re S11
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+ sin(alpha_M) * sin(alpha_M) * compressed_spectral_matrix_f0[i*30+10] // re S22
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- 2 * sin(alpha_M) * cos(alpha_M) * compressed_spectral_matrix_f0[i*30+2]; // re S12
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n_cross_e_scal_b_re = nx * (compressed_spectral_matrix_f0[i*30+8]*k15_bis_re
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+compressed_spectral_matrix_f0[i*30+6]*k14_bis_re
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+compressed_spectral_matrix_f0[i*30+16]*k25_bis_re
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+compressed_spectral_matrix_f0[i*30+14]*k24_bis_re)
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+ ny * (compressed_spectral_matrix_f0[i*30+6]*k14_tris_re
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+compressed_spectral_matrix_f0[i*30+14]*k24_tris_re);
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n_cross_e_scal_b_im = nx * (compressed_spectral_matrix_f0[i*30+8]*k15_bis_im
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+compressed_spectral_matrix_f0[i*30+6]*k14_bis_im
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+compressed_spectral_matrix_f0[i*30+16]*k25_bis_im
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+compressed_spectral_matrix_f0[i*30+14]*k24_bis_im)
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+ ny * (compressed_spectral_matrix_f0[i*30+6]*k14_tris_im
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+compressed_spectral_matrix_f0[i*30+14]*k24_tris_im);
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tmp = n_cross_e_scal_b_re / bz_bz_star;
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LFR_BP1_F0[i*9+0] = ((unsigned char) (tmp * 128)) & 0x7f; // is it always positive?
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tmp = n_cross_e_scal_b_re * n_cross_e_scal_b_im;
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pt_char = (unsigned char*) &tmp;
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LFR_BP1_F0[i*9+1] = LFR_BP1_F0[i*9+0] | (pt_char[0] & 0x80); // extract the sign of ArgV
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}
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}
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void BP2_set(){
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// BP2 autocorrelation
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int i, aux = 0;
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for(i = 0; i<NB_BINS_COMPRESSED_MATRIX_f0; i++){
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// S12
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aux = sqrt(compressed_spectral_matrix_f0[i*30]*compressed_spectral_matrix_f0[i*30+10]);
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compressed_spectral_matrix_f0[i*30+2] = compressed_spectral_matrix_f0[i*30+2] / aux;
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compressed_spectral_matrix_f0[i*30+3] = compressed_spectral_matrix_f0[i*30+3] / aux;
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// S13
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aux = sqrt(compressed_spectral_matrix_f0[i*30]*compressed_spectral_matrix_f0[i*30+18]);
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compressed_spectral_matrix_f0[i*30+4] = compressed_spectral_matrix_f0[i*30+4] / aux;
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compressed_spectral_matrix_f0[i*30+5] = compressed_spectral_matrix_f0[i*30+5] / aux;
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// S23
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aux = sqrt(compressed_spectral_matrix_f0[i*30+12]*compressed_spectral_matrix_f0[i*30+18]);
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compressed_spectral_matrix_f0[i*30+12] = compressed_spectral_matrix_f0[i*30+12] / aux;
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compressed_spectral_matrix_f0[i*30+13] = compressed_spectral_matrix_f0[i*30+13] / aux;
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// S45
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aux = sqrt(compressed_spectral_matrix_f0[i*30+24]*compressed_spectral_matrix_f0[i*30+28]);
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compressed_spectral_matrix_f0[i*30+26] = compressed_spectral_matrix_f0[i*30+26] / aux;
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compressed_spectral_matrix_f0[i*30+27] = compressed_spectral_matrix_f0[i*30+27] / aux;
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// S14
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aux = sqrt(compressed_spectral_matrix_f0[i*30]*compressed_spectral_matrix_f0[i*30+24]);
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compressed_spectral_matrix_f0[i*30+6] = compressed_spectral_matrix_f0[i*30+6] / aux;
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compressed_spectral_matrix_f0[i*30+7] = compressed_spectral_matrix_f0[i*30+7] / aux;
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// S15
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aux = sqrt(compressed_spectral_matrix_f0[i*30]*compressed_spectral_matrix_f0[i*30+28]);
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compressed_spectral_matrix_f0[i*30+8] = compressed_spectral_matrix_f0[i*30+8] / aux;
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compressed_spectral_matrix_f0[i*30+9] = compressed_spectral_matrix_f0[i*30+9] / aux;
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// S24
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aux = sqrt(compressed_spectral_matrix_f0[i*10]*compressed_spectral_matrix_f0[i*30+24]);
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compressed_spectral_matrix_f0[i*30+14] = compressed_spectral_matrix_f0[i*30+14] / aux;
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compressed_spectral_matrix_f0[i*30+15] = compressed_spectral_matrix_f0[i*30+15] / aux;
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// S25
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aux = sqrt(compressed_spectral_matrix_f0[i*10]*compressed_spectral_matrix_f0[i*30+28]);
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compressed_spectral_matrix_f0[i*30+16] = compressed_spectral_matrix_f0[i*30+16] / aux;
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compressed_spectral_matrix_f0[i*30+17] = compressed_spectral_matrix_f0[i*30+17] / aux;
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// S34
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aux = sqrt(compressed_spectral_matrix_f0[i*18]*compressed_spectral_matrix_f0[i*30+24]);
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compressed_spectral_matrix_f0[i*30+20] = compressed_spectral_matrix_f0[i*30+20] / aux;
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compressed_spectral_matrix_f0[i*30+21] = compressed_spectral_matrix_f0[i*30+21] / aux;
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// S35
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aux = sqrt(compressed_spectral_matrix_f0[i*18]*compressed_spectral_matrix_f0[i*30+28]);
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compressed_spectral_matrix_f0[i*30+22] = compressed_spectral_matrix_f0[i*30+22] / aux;
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compressed_spectral_matrix_f0[i*30+23] = compressed_spectral_matrix_f0[i*30+23] / aux;
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}
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}
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