wip3

Author: SakiTakamachi

ext/bcmath/libbcmath/src/sqrt.c

@@ -110,10 +110,10 @@ bool bc_sqrt(bc_num *num, size_t scale)
 
 		size_t full_len = 0;
 		BC_VECTOR tmp_guess_vector = guess_vector;
-		while (tmp_guess_vector > 0) {
+		do {
 			tmp_guess_vector /= BASE;
 			full_len++;
-		}
+		} while (tmp_guess_vector > 0);
 
 		size_t ret_ren = full_len - cscale;
 		bc_num ret = bc_new_num_nonzeroed(ret_ren, rscale);