- exchange->gamma_i=&(params->gamma[brand_i]);
- exchange->c_i=&(params->c[brand_i]);
- exchange->d_i=&(params->d[brand_i]);
- exchange->h_i=&(params->h[brand_i]);
+ gamma_i=params->gamma[brand_i];
+ c_i=params->c[brand_i];
+ d_i=params->d[brand_i];
+ h_i=params->h[brand_i];
+ ci2=params->c2[brand_i];
+ di2=params->d2[brand_i];
+ ci2di2=params->c2d2[brand_i];