implement numerator and denominator for int and long

from_cpython/Lib/test/test_abstract_numbers.py

-# expected: fail
 """Unit tests for numbers.py."""
 
 import math

src/runtime/int.cpp

@@ -1076,6 +1076,10 @@ static Box* int0(Box*, void*) {
     return boxInt(0);
 }
 
+static Box* int1(Box*, void*) {
+    return boxInt(1);
+}
+
 void setupInt() {
     for (int i = 0; i < NUM_INTERNED_INTS; i++) {
         interned_ints[i] = new BoxedInt(i);
@@ -1128,6 +1132,8 @@ void setupInt() {
     int_cls->giveAttr("real", new (pyston_getset_cls) BoxedGetsetDescriptor(intInt, NULL, NULL));
     int_cls->giveAttr("imag", new (pyston_getset_cls) BoxedGetsetDescriptor(int0, NULL, NULL));
     int_cls->giveAttr("conjugate", new BoxedFunction(boxRTFunction((void*)intInt, BOXED_INT, 1)));
+    int_cls->giveAttr("numerator", new (pyston_getset_cls) BoxedGetsetDescriptor(intInt, NULL, NULL));
+    int_cls->giveAttr("denominator", new (pyston_getset_cls) BoxedGetsetDescriptor(int1, NULL, NULL));
 
     int_cls->freeze();
 }

src/runtime/long.cpp

@@ -1311,6 +1311,10 @@ static Box* long0(Box* b, void*) {
     return boxLong(0);
 }
 
+static Box* long1(Box* b, void*) {
+    return boxLong(1);
+}
+
 void setupLong() {
     mp_set_memory_functions(customised_allocation, customised_realloc, customised_free);
 
@@ -1374,6 +1378,8 @@ void setupLong() {
     long_cls->giveAttr("real", new (pyston_getset_cls) BoxedGetsetDescriptor(longLong, NULL, NULL));
     long_cls->giveAttr("imag", new (pyston_getset_cls) BoxedGetsetDescriptor(long0, NULL, NULL));
     long_cls->giveAttr("conjugate", new BoxedFunction(boxRTFunction((void*)longLong, UNKNOWN, 1)));
+    long_cls->giveAttr("numerator", new (pyston_getset_cls) BoxedGetsetDescriptor(longLong, NULL, NULL));
+    long_cls->giveAttr("denominator", new (pyston_getset_cls) BoxedGetsetDescriptor(long1, NULL, NULL));
 
     long_cls->freeze();