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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef nompi
#include "mimic_mpi.h"
#else
#include <mpi.h>
#endif
#include "tran_prototypes.h"
void TRAN_Calc_CentGreen(
dcomplex w,
int nc,
dcomplex *sigmaL,
dcomplex *sigmaR,
dcomplex *HCC,
dcomplex *SCC,
dcomplex *GC /* output */
)
;
/* interface from fortran */
void tran_calc_centgreen( dcomplex *w, int *nc, dcomplex *sigmaL, dcomplex *sigmaR,
dcomplex *HCC, dcomplex *SCC, dcomplex *GC)
{
TRAN_Calc_CentGreen( *w, *nc, sigmaL, sigmaR, HCC, SCC, GC);
}
/*
* calculate G(w) = ( w SCC - HCC - SigmaL -SigmaR ) ^-1
*
* charge is calculated as
* -1/PI int dw Im G(w+id)
* -1/PI *dw is included in w_weight[]
*
* no implicit variables
*/
void TRAN_Calc_CentGreen(
/* input */
dcomplex w,
int nc,
dcomplex *sigmaL,
dcomplex *sigmaR,
dcomplex *HCC,
dcomplex *SCC,
dcomplex *GC /* output */
)
#define HCC_ref(i,j) HCC[nc*((j)-1)+(i)-1]
#define SCC_ref(i,j) SCC[nc*((j)-1)+(i)-1]
#define GC_ref(i,j) GC[nc*((j)-1)+(i)-1]
#define sigmaL_ref(i,j) sigmaL[nc*((j)-1)+(i)-1]
#define sigmaR_ref(i,j) sigmaR[nc*((j)-1)+(i)-1]
{
int i,j;
int pos;
/* w SCC - HCC - SigmaL -SigmaR */
for (i=1;i<=nc;i++) {
for (j=1;j<=nc;j++) {
#if 0
GC_ref(i,j).r = w.r*SCC_ref(i,j).r - w.i*SCC_ref(i,j).i - HCC_ref(i,j).r ;
GC_ref(i,j).i = w.r*SCC_ref(i,j).i + w.i*SCC_ref(i,j).r - HCC_ref(i,j).i ;
#else
GC_ref(i,j).r = w.r*SCC_ref(i,j).r - w.i*SCC_ref(i,j).i - HCC_ref(i,j).r
- sigmaL_ref(i,j).r - sigmaR_ref(i,j).r;
GC_ref(i,j).i = w.r*SCC_ref(i,j).i + w.i*SCC_ref(i,j).r - HCC_ref(i,j).i
- sigmaL_ref(i,j).i - sigmaR_ref(i,j).i;
#endif
}
}
Lapack_LU_Zinverse(nc,GC);
}
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