--- title: Search functions sidebar_label: Search --- Binary search functions from [`io.deephaven.function.BinSearch`](/core/javadoc/io/deephaven/function/BinSearch.html). | Type | Name | Signature | Description | | -------- | ----------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------- | | CONSTANT | BS_ANY | [BinSearchAlgo](/core/javadoc/io/deephaven/function/BinSearchAlgo.html#BS_ANY) | Binary search algorithm returns any matching index. | | CONSTANT | BS_HIGHEST | [BinSearchAlgo](/core/javadoc/io/deephaven/function/BinSearchAlgo.html#BS_HIGHEST) | Binary search algorithm returns the highest matching index. | | CONSTANT | BS_LOWEST | [BinSearchAlgo](/core/javadoc/io/deephaven/function/BinSearchAlgo.html#BS_LOWEST) | Binary search algorithm returns the lowest matching index. | | FUNCTION | binSearchIndex | [int\(ByteVector, byte, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(io.deephaven.vector.ByteVector,byte,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(CharVector, char, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(io.deephaven.vector.CharVector,char,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(Comparable\[\], Comparable, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(T[],T,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(DoubleVector, double, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(io.deephaven.vector.DoubleVector,double,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(FloatVector, float, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(io.deephaven.vector.FloatVector,float,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(IntVector, int, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(io.deephaven.vector.IntVector,int,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(LongVector, long, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(io.deephaven.vector.LongVector,long,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(ObjectVector, Comparable, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(io.deephaven.vector.ObjectVector,T,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(ShortVector, short, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(io.deephaven.vector.ShortVector,short,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(byte\[\], byte, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(byte[],byte,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(char\[\], char, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(char[],char,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(double\[\], double, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(double[],double,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(float\[\], float, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(float[],float,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(int\[\], int, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(int[],int,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(long\[\], long, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(long[],long,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | binSearchIndex | [int\(short\[\], short, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#binSearchIndex(short[],short,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(ByteVector, byte, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(io.deephaven.vector.ByteVector,byte,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(CharVector, char, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(io.deephaven.vector.CharVector,char,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(Comparable\[\], Comparable, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(T[],T,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(DoubleVector, double, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(io.deephaven.vector.DoubleVector,double,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(FloatVector, float, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(io.deephaven.vector.FloatVector,float,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(IntVector, int, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(io.deephaven.vector.IntVector,int,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(LongVector, long, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(io.deephaven.vector.LongVector,long,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(ObjectVector, Comparable, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(io.deephaven.vector.ObjectVector,T,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(ShortVector, short, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(io.deephaven.vector.ShortVector,short,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(byte\[\], byte, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(byte[],byte,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(char\[\], char, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(char[],char,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(double\[\], double, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(double[],double,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(float\[\], float, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(float[],float,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(int\[\], int, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(int[],int,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(long\[\], long, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(long[],long,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | | FUNCTION | rawBinSearchIndex | [int\(short\[\], short, BinSearchAlgo\)](https://deephaven.io/core/javadoc/io/deephaven/function/BinSearch.html#rawBinSearchIndex(short[],short,io.deephaven.function.BinSearchAlgo)) | Performs a binary search to find a key. | ## Related documentation - [Auto-imported functions](./index.md)