_bc_do_add 57 ext/bcmath/libbcmath/src/add.c sum = _bc_do_add (n1, n2, scale_min); _bc_do_add 41 ext/bcmath/libbcmath/src/private.h bc_num _bc_do_add (bc_num n1, bc_num n2, int scale_min); _bc_do_add 57 ext/bcmath/libbcmath/src/sub.c diff = _bc_do_add (n1, n2, scale_min);