Main CPP function
gsPEN_sparse_cpp(
summary_betas,
ld_J,
index_matrix,
index_J,
ld_vec,
SD_vec,
tuning_matrix,
dims,
params
)matrix of summary statistics
vector of indices of SNPs in LD with the current SNP
matrix of indices of SNPs in LD with the current SNP
vector of indices of SNPs in LD with the current SNP
vector of LD values
matrix of SD values
matrix of tuning parameters
vector of dimensions
vector of parameters