X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Fscheme%2Fao_scheme_builtin.c;h=e2532c98746a331ae248ace4f825ab41c4d1d874;hb=7b5892f75a75363a656ede8befb419245aa218b5;hp=8438243412ac7fb4483171c56e8c066f585dd015;hpb=34f998d147d08e966daad1ab76c40906018d3d8d;p=fw%2Faltos

diff --git a/src/scheme/ao_scheme_builtin.c b/src/scheme/ao_scheme_builtin.c
index 84382434..e2532c98 100644
--- a/src/scheme/ao_scheme_builtin.c
+++ b/src/scheme/ao_scheme_builtin.c
@@ -321,7 +321,7 @@ ao_scheme_math(struct ao_scheme_cons *orig_cons, enum ao_scheme_builtin_id op)
 
 		if (cons == orig_cons) {
 			ret = car;
-			ao_scheme_cons_stash(0, cons);
+			ao_scheme_cons_stash(cons);
 			if (cons->cdr == AO_SCHEME_NIL) {
 				switch (op) {
 				case builtin_minus:
@@ -349,7 +349,7 @@ ao_scheme_math(struct ao_scheme_cons *orig_cons, enum ao_scheme_builtin_id op)
 					break;
 				}
 			}
-			cons = ao_scheme_cons_fetch(0);
+			cons = ao_scheme_cons_fetch();
 		} else if (ao_scheme_integer_typep(rt) && ao_scheme_integer_typep(ct)) {
 			int32_t	r = ao_scheme_poly_integer(ret, NULL);
 			int32_t	c = ao_scheme_poly_integer(car, NULL);
@@ -393,6 +393,11 @@ ao_scheme_math(struct ao_scheme_cons *orig_cons, enum ao_scheme_builtin_id op)
 			case builtin_quotient:
 				if (c == 0)
 					return ao_scheme_error(AO_SCHEME_DIVIDE_BY_ZERO, "quotient by zero");
+				r = r / c;
+				break;
+			case builtin_floor_quotient:
+				if (c == 0)
+					return ao_scheme_error(AO_SCHEME_DIVIDE_BY_ZERO, "floor-quotient by zero");
 				if (r % c != 0 && (c < 0) != (r < 0))
 					r = r / c - 1;
 				else
@@ -413,9 +418,9 @@ ao_scheme_math(struct ao_scheme_cons *orig_cons, enum ao_scheme_builtin_id op)
 			default:
 				break;
 			}
-			ao_scheme_cons_stash(0, cons);
+			ao_scheme_cons_stash(cons);
 			ret = ao_scheme_integer_poly(r);
-			cons = ao_scheme_cons_fetch(0);
+			cons = ao_scheme_cons_fetch();
 #ifdef AO_SCHEME_FEATURE_FLOAT
 		} else if (ao_scheme_number_typep(rt) && ao_scheme_number_typep(ct)) {
 			float r, c;
@@ -436,22 +441,23 @@ ao_scheme_math(struct ao_scheme_cons *orig_cons, enum ao_scheme_builtin_id op)
 				r /= c;
 				break;
 			case builtin_quotient:
+			case builtin_floor_quotient:
 			case builtin_remainder:
 			case builtin_modulo:
 				return ao_scheme_error(AO_SCHEME_INVALID, "non-integer value in integer divide");
 			default:
 				break;
 			}
-			ao_scheme_cons_stash(0, cons);
+			ao_scheme_cons_stash(cons);
 			ret = ao_scheme_float_get(r);
-			cons = ao_scheme_cons_fetch(0);
+			cons = ao_scheme_cons_fetch();
 #endif
 		}
 		else if (rt == AO_SCHEME_STRING && ct == AO_SCHEME_STRING && op == builtin_plus) {
-			ao_scheme_cons_stash(0, cons);
+			ao_scheme_cons_stash(cons);
 			ret = ao_scheme_string_poly(ao_scheme_string_cat(ao_scheme_poly_string(ret),
 									 ao_scheme_poly_string(car)));
-			cons = ao_scheme_cons_fetch(0);
+			cons = ao_scheme_cons_fetch();
 			if (!ret)
 				return ret;
 		}
@@ -491,6 +497,12 @@ ao_scheme_do_quotient(struct ao_scheme_cons *cons)
 	return ao_scheme_math(cons, builtin_quotient);
 }
 
+ao_poly
+ao_scheme_do_floor_quotient(struct ao_scheme_cons *cons)
+{
+	return ao_scheme_math(cons, builtin_floor_quotient);
+}
+
 ao_poly
 ao_scheme_do_modulo(struct ao_scheme_cons *cons)
 {