summaryrefslogtreecommitdiff
path: root/runtimes/nn/depend/libutils/include/utils/TypeHelpers.h
diff options
context:
space:
mode:
Diffstat (limited to 'runtimes/nn/depend/libutils/include/utils/TypeHelpers.h')
-rw-r--r--runtimes/nn/depend/libutils/include/utils/TypeHelpers.h336
1 files changed, 0 insertions, 336 deletions
diff --git a/runtimes/nn/depend/libutils/include/utils/TypeHelpers.h b/runtimes/nn/depend/libutils/include/utils/TypeHelpers.h
deleted file mode 100644
index 28fbca508..000000000
--- a/runtimes/nn/depend/libutils/include/utils/TypeHelpers.h
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ANDROID_TYPE_HELPERS_H
-#define ANDROID_TYPE_HELPERS_H
-
-#include <new>
-#include <type_traits>
-
-#include <stdint.h>
-#include <string.h>
-#include <sys/types.h>
-
-// ---------------------------------------------------------------------------
-
-namespace android {
-
-/*
- * Types traits
- */
-
-template <typename T> struct trait_trivial_ctor { enum { value = false }; };
-template <typename T> struct trait_trivial_dtor { enum { value = false }; };
-template <typename T> struct trait_trivial_copy { enum { value = false }; };
-template <typename T> struct trait_trivial_move { enum { value = false }; };
-template <typename T> struct trait_pointer { enum { value = false }; };
-template <typename T> struct trait_pointer<T*> { enum { value = true }; };
-
-template <typename TYPE>
-struct traits {
- enum {
- // whether this type is a pointer
- is_pointer = trait_pointer<TYPE>::value,
- // whether this type's constructor is a no-op
- has_trivial_ctor = is_pointer || trait_trivial_ctor<TYPE>::value,
- // whether this type's destructor is a no-op
- has_trivial_dtor = is_pointer || trait_trivial_dtor<TYPE>::value,
- // whether this type type can be copy-constructed with memcpy
- has_trivial_copy = is_pointer || trait_trivial_copy<TYPE>::value,
- // whether this type can be moved with memmove
- has_trivial_move = is_pointer || trait_trivial_move<TYPE>::value
- };
-};
-
-template <typename T, typename U>
-struct aggregate_traits {
- enum {
- is_pointer = false,
- has_trivial_ctor =
- traits<T>::has_trivial_ctor && traits<U>::has_trivial_ctor,
- has_trivial_dtor =
- traits<T>::has_trivial_dtor && traits<U>::has_trivial_dtor,
- has_trivial_copy =
- traits<T>::has_trivial_copy && traits<U>::has_trivial_copy,
- has_trivial_move =
- traits<T>::has_trivial_move && traits<U>::has_trivial_move
- };
-};
-
-#define ANDROID_TRIVIAL_CTOR_TRAIT( T ) \
- template<> struct trait_trivial_ctor< T > { enum { value = true }; };
-
-#define ANDROID_TRIVIAL_DTOR_TRAIT( T ) \
- template<> struct trait_trivial_dtor< T > { enum { value = true }; };
-
-#define ANDROID_TRIVIAL_COPY_TRAIT( T ) \
- template<> struct trait_trivial_copy< T > { enum { value = true }; };
-
-#define ANDROID_TRIVIAL_MOVE_TRAIT( T ) \
- template<> struct trait_trivial_move< T > { enum { value = true }; };
-
-#define ANDROID_BASIC_TYPES_TRAITS( T ) \
- ANDROID_TRIVIAL_CTOR_TRAIT( T ) \
- ANDROID_TRIVIAL_DTOR_TRAIT( T ) \
- ANDROID_TRIVIAL_COPY_TRAIT( T ) \
- ANDROID_TRIVIAL_MOVE_TRAIT( T )
-
-// ---------------------------------------------------------------------------
-
-/*
- * basic types traits
- */
-
-ANDROID_BASIC_TYPES_TRAITS( void )
-ANDROID_BASIC_TYPES_TRAITS( bool )
-ANDROID_BASIC_TYPES_TRAITS( char )
-ANDROID_BASIC_TYPES_TRAITS( unsigned char )
-ANDROID_BASIC_TYPES_TRAITS( short )
-ANDROID_BASIC_TYPES_TRAITS( unsigned short )
-ANDROID_BASIC_TYPES_TRAITS( int )
-ANDROID_BASIC_TYPES_TRAITS( unsigned int )
-ANDROID_BASIC_TYPES_TRAITS( long )
-ANDROID_BASIC_TYPES_TRAITS( unsigned long )
-ANDROID_BASIC_TYPES_TRAITS( long long )
-ANDROID_BASIC_TYPES_TRAITS( unsigned long long )
-ANDROID_BASIC_TYPES_TRAITS( float )
-ANDROID_BASIC_TYPES_TRAITS( double )
-
-// ---------------------------------------------------------------------------
-
-
-/*
- * compare and order types
- */
-
-template<typename TYPE> inline
-int strictly_order_type(const TYPE& lhs, const TYPE& rhs) {
- return (lhs < rhs) ? 1 : 0;
-}
-
-template<typename TYPE> inline
-int compare_type(const TYPE& lhs, const TYPE& rhs) {
- return strictly_order_type(rhs, lhs) - strictly_order_type(lhs, rhs);
-}
-
-/*
- * create, destroy, copy and move types...
- */
-
-template<typename TYPE> inline
-void construct_type(TYPE* p, size_t n) {
- if (!traits<TYPE>::has_trivial_ctor) {
- while (n > 0) {
- n--;
- new(p++) TYPE;
- }
- }
-}
-
-template<typename TYPE> inline
-void destroy_type(TYPE* p, size_t n) {
- if (!traits<TYPE>::has_trivial_dtor) {
- while (n > 0) {
- n--;
- p->~TYPE();
- p++;
- }
- }
-}
-
-template<typename TYPE>
-typename std::enable_if<traits<TYPE>::has_trivial_copy>::type
-inline
-copy_type(TYPE* d, const TYPE* s, size_t n) {
- memcpy(d,s,n*sizeof(TYPE));
-}
-
-template<typename TYPE>
-typename std::enable_if<!traits<TYPE>::has_trivial_copy>::type
-inline
-copy_type(TYPE* d, const TYPE* s, size_t n) {
- while (n > 0) {
- n--;
- new(d) TYPE(*s);
- d++, s++;
- }
-}
-
-template<typename TYPE> inline
-void splat_type(TYPE* where, const TYPE* what, size_t n) {
- if (!traits<TYPE>::has_trivial_copy) {
- while (n > 0) {
- n--;
- new(where) TYPE(*what);
- where++;
- }
- } else {
- while (n > 0) {
- n--;
- *where++ = *what;
- }
- }
-}
-
-template<typename TYPE>
-struct use_trivial_move : public std::integral_constant<bool,
- (traits<TYPE>::has_trivial_dtor && traits<TYPE>::has_trivial_copy)
- || traits<TYPE>::has_trivial_move
-> {};
-
-template<typename TYPE>
-typename std::enable_if<use_trivial_move<TYPE>::value>::type
-inline
-move_forward_type(TYPE* d, const TYPE* s, size_t n = 1) {
- memmove(d, s, n*sizeof(TYPE));
-}
-
-template<typename TYPE>
-typename std::enable_if<!use_trivial_move<TYPE>::value>::type
-inline
-move_forward_type(TYPE* d, const TYPE* s, size_t n = 1) {
- d += n;
- s += n;
- while (n > 0) {
- n--;
- --d, --s;
- if (!traits<TYPE>::has_trivial_copy) {
- new(d) TYPE(*s);
- } else {
- *d = *s;
- }
- if (!traits<TYPE>::has_trivial_dtor) {
- s->~TYPE();
- }
- }
-}
-
-template<typename TYPE>
-typename std::enable_if<use_trivial_move<TYPE>::value>::type
-inline
-move_backward_type(TYPE* d, const TYPE* s, size_t n = 1) {
- memmove(d, s, n*sizeof(TYPE));
-}
-
-template<typename TYPE>
-typename std::enable_if<!use_trivial_move<TYPE>::value>::type
-inline
-move_backward_type(TYPE* d, const TYPE* s, size_t n = 1) {
- while (n > 0) {
- n--;
- if (!traits<TYPE>::has_trivial_copy) {
- new(d) TYPE(*s);
- } else {
- *d = *s;
- }
- if (!traits<TYPE>::has_trivial_dtor) {
- s->~TYPE();
- }
- d++, s++;
- }
-}
-
-// ---------------------------------------------------------------------------
-
-/*
- * a key/value pair
- */
-
-template <typename KEY, typename VALUE>
-struct key_value_pair_t {
- typedef KEY key_t;
- typedef VALUE value_t;
-
- KEY key;
- VALUE value;
- key_value_pair_t() { }
- key_value_pair_t(const key_value_pair_t& o) : key(o.key), value(o.value) { }
- key_value_pair_t& operator=(const key_value_pair_t& o) {
- key = o.key;
- value = o.value;
- return *this;
- }
- key_value_pair_t(const KEY& k, const VALUE& v) : key(k), value(v) { }
- explicit key_value_pair_t(const KEY& k) : key(k) { }
- inline bool operator < (const key_value_pair_t& o) const {
- return strictly_order_type(key, o.key);
- }
- inline const KEY& getKey() const {
- return key;
- }
- inline const VALUE& getValue() const {
- return value;
- }
-};
-
-template <typename K, typename V>
-struct trait_trivial_ctor< key_value_pair_t<K, V> >
-{ enum { value = aggregate_traits<K,V>::has_trivial_ctor }; };
-template <typename K, typename V>
-struct trait_trivial_dtor< key_value_pair_t<K, V> >
-{ enum { value = aggregate_traits<K,V>::has_trivial_dtor }; };
-template <typename K, typename V>
-struct trait_trivial_copy< key_value_pair_t<K, V> >
-{ enum { value = aggregate_traits<K,V>::has_trivial_copy }; };
-template <typename K, typename V>
-struct trait_trivial_move< key_value_pair_t<K, V> >
-{ enum { value = aggregate_traits<K,V>::has_trivial_move }; };
-
-// ---------------------------------------------------------------------------
-
-/*
- * Hash codes.
- */
-typedef uint32_t hash_t;
-
-template <typename TKey>
-hash_t hash_type(const TKey& key);
-
-/* Built-in hash code specializations */
-#define ANDROID_INT32_HASH(T) \
- template <> inline hash_t hash_type(const T& value) { return hash_t(value); }
-#define ANDROID_INT64_HASH(T) \
- template <> inline hash_t hash_type(const T& value) { \
- return hash_t((value >> 32) ^ value); }
-#define ANDROID_REINTERPRET_HASH(T, R) \
- template <> inline hash_t hash_type(const T& value) { \
- R newValue; \
- static_assert(sizeof(newValue) == sizeof(value), "size mismatch"); \
- memcpy(&newValue, &value, sizeof(newValue)); \
- return hash_type(newValue); \
- }
-
-ANDROID_INT32_HASH(bool)
-ANDROID_INT32_HASH(int8_t)
-ANDROID_INT32_HASH(uint8_t)
-ANDROID_INT32_HASH(int16_t)
-ANDROID_INT32_HASH(uint16_t)
-ANDROID_INT32_HASH(int32_t)
-ANDROID_INT32_HASH(uint32_t)
-ANDROID_INT64_HASH(int64_t)
-ANDROID_INT64_HASH(uint64_t)
-ANDROID_REINTERPRET_HASH(float, uint32_t)
-ANDROID_REINTERPRET_HASH(double, uint64_t)
-
-template <typename T> inline hash_t hash_type(T* const & value) {
- return hash_type(uintptr_t(value));
-}
-
-}; // namespace android
-
-// ---------------------------------------------------------------------------
-
-#endif // ANDROID_TYPE_HELPERS_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 18:55:46 +0000