proposition: Lemma weight_ge0 pt : (0 <= raw_weight pt)%coqR.
proof: Proof. by case: pt => /= [[x] /= /RltP/ltRW //|]. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg fingroup perm matrix) mathcomp(mathcomp_extra boolp classical_sets Rstruct) mathcomp(ssrnum ereal) mathcomp(lra Rstruct reals) Reals ssrR Reals_ext Ranalysis_ext ssr_ext ssralg_ext logb realType_ext fdist