Do basic sanity check in subdomain_deflation when AMGCL_SANITY_CHECK is defined
Do basic sanity check in subdomain_deflation when AMGCL_SANITY_CHECK is defined

huahbo/amgcl,ddemidov/amgcl,huahbo/amgcl,dondieselkopf/amgcl,dondieselkopf/amgcl,ddemidov/amgcl,huahbo/amgcl,ddemidov/amgcl,ddemidov/amgcl,dondieselkopf/amgcl