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/*
* Copyright 2017 Google
*
* 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.
*/
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
/** Compares two NSStrings. */
NSComparisonResult FSTCompareStrings(NSString *left, NSString *right);
/** Compares two BOOLs. */
NSComparisonResult FSTCompareBools(BOOL left, BOOL right);
/** Compares two integers. */
NSComparisonResult FSTCompareInts(int left, int right);
/** Compares two int32_t. */
NSComparisonResult FSTCompareInt32s(int32_t left, int32_t right);
/** Compares two int64_t. */
NSComparisonResult FSTCompareInt64s(int64_t left, int64_t right);
/** Compares two NSUIntegers. */
NSComparisonResult FSTCompareUIntegers(NSUInteger left, NSUInteger right);
/** Compares two doubles (using Firestore semantics for NaN). */
NSComparisonResult FSTCompareDoubles(double left, double right);
/** Compares a double and an int64_t. */
NSComparisonResult FSTCompareMixed(double doubleValue, int64_t longValue);
/** Compare two NSData byte sequences. */
NSComparisonResult FSTCompareBytes(NSData *left, NSData *right);
/** A simple NSComparator for comparing NSNumber instances. */
extern const NSComparator FSTNumberComparator;
/** A simple NSComparator for comparing NSString instances. */
extern const NSComparator FSTStringComparator;
/**
* Compares the bitwise representation of two doubles, but normalizes NaN values. This is
* similar to what the backend and android clients do, including comparing -0.0 as not equal to 0.0.
*/
BOOL FSTDoubleBitwiseEquals(double left, double right);
/**
* Computes a bitwise hash of a double, but normalizes NaN values, suitable for use when using
* FSTDoublesAreBitwiseEqual for equality.
*/
NSUInteger FSTDoubleBitwiseHash(double d);
NS_ASSUME_NONNULL_END
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