YMW16/localbubble.c at master · fjankowsk/YMW16 · GitHub

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#include "cn.h"
#define Rlb 110
void localbubble(double xx, double yy, double zz, double *ll,double *bb, double *ne6, double *WW, struct LB t6)
{
  double g4=0;
  double g5=0;
  double g6=0;
  double g7=0;
  double glb1, glb2;
  double UU;
  double VVV=0;
  double WWW=0;
  double nelb1=1e10;
  double nelb2=1e10;
  double Y_C=1e10;
  double COS_A=1e10;
  double COS_E=cos(PI/4);
//  printf("m_6=%d\n\n",m_6);

  Y_C=8340+(0.34/0.94)*zz;//Center of local bubble
  COS_A=(xx*xx+(8300-yy)*(Y_C-yy))/(sqrt(xx*xx+(8300-yy)*(8300-yy))*sqrt(xx*xx+(Y_C-yy)*(Y_C-yy)));
  UU=sqrt(((yy-8340)*0.94-0.34*zz)*((yy-8340)*0.94-0.34*zz)+xx*xx);
  *WW=UU;
  if(m_6>=1)return;
  if((UU-Rlb)>(mc*t6.wlb1)||fabs(zz)>(mc*t6.hlb1)){
    nelb1=0;
  }else{
    glb1=1;
    g4=(UU-Rlb)/t6.wlb1;
    g5=pow(2/(exp(-zz/t6.hlb1)+exp(zz/t6.hlb1)), 2);
    VVV=MIN(fabs(*ll+360-t6.thetalb1),fabs(t6.thetalb1-(*ll)));
    if(VVV>(mc*t6.detlb1)) glb1=0;
    else glb1=1;
    nelb1=glb1*pow(2/(exp(-VVV/t6.detlb1)+exp(VVV/t6.detlb1)), 2)*t6.nlb1*pow(2/(exp(g4)+exp(-g4)), 2)*g5;
  }
  if((UU-Rlb)>(mc*t6.wlb2)||fabs(zz)>(mc*t6.hlb2)) nelb2=0;
  if(nelb1==0&&nelb2==0){
    *ne6=0;
    m_6++;
    return;
  }else{
    glb2=1;
    g6=(UU-Rlb)/t6.wlb2;
    g7=pow(2/(exp(-zz/t6.hlb2)+exp(zz/t6.hlb2)), 2);
    WWW=MIN(fabs(*ll+360-t6.thetalb2),fabs(t6.thetalb2-(*ll)));
    if(WWW>(mc*t6.detlb2)) glb2=0;
    else glb2=1;
    nelb2=glb2*pow(2/(exp(-WWW/t6.detlb2)+exp(WWW/t6.detlb2)), 2)*t6.nlb2*pow(2/(exp(g6)+exp(-g6)), 2)*g7;
  }

  if(COS_A<COS_E)nelb1=0;
  if((*bb==90)&&(*ll==180))nelb1=0;
  *ne6=nelb1+nelb2;
}