fix signess (should be unsigned) of the return type for hash, was wrong defined in pandas-dev#39592

realead · realead · commit b2ecad5c40fb · 2021-06-18T22:43:56.000+02:00
diff --git a/pandas/_libs/src/klib/khash_python.h b/pandas/_libs/src/klib/khash_python.h
@@ -284,7 +284,7 @@ Py_hash_t PANDAS_INLINE complexobject_hash(PyComplexObject* key) {
 }
 
 
-khint32_t PANDAS_INLINE kh_python_hash_func(PyObject* key);
+khuint32_t PANDAS_INLINE kh_python_hash_func(PyObject* key);
 
 //we could use any hashing algorithm, this is the original CPython's for tuples
 
@@ -325,7 +325,7 @@ Py_hash_t PANDAS_INLINE tupleobject_hash(PyTupleObject* key) {
 }
 
 
-khint32_t PANDAS_INLINE kh_python_hash_func(PyObject* key) {
+khuint32_t PANDAS_INLINE kh_python_hash_func(PyObject* key) {
     Py_hash_t hash;
     // For PyObject_Hash holds:
     //    hash(0.0) == 0 == hash(-0.0)

Original file line number	Diff line number	Diff line change
`@@ -284,7 +284,7 @@ Py_hash_t PANDAS_INLINE complexobject_hash(PyComplexObject* key) {`
`284`	`284`	`}`
`285`	`285`
`286`	`286`
`287`		`-khint32_t PANDAS_INLINE kh_python_hash_func(PyObject* key);`
	`287`	`+khuint32_t PANDAS_INLINE kh_python_hash_func(PyObject* key);`
`288`	`288`
`289`	`289`	`//we could use any hashing algorithm, this is the original CPython's for tuples`
`290`	`290`
`@@ -325,7 +325,7 @@ Py_hash_t PANDAS_INLINE tupleobject_hash(PyTupleObject* key) {`
`325`	`325`	`}`
`326`	`326`
`327`	`327`
`328`		`-khint32_t PANDAS_INLINE kh_python_hash_func(PyObject* key) {`
	`328`	`+khuint32_t PANDAS_INLINE kh_python_hash_func(PyObject* key) {`
`329`	`329`	`Py_hash_t hash;`
`330`	`330`	`// For PyObject_Hash holds:`
`331`	`331`	`// hash(0.0) == 0 == hash(-0.0)`