Cascade Historian Functions

Cogent API and Utilities: Version 4.1
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# V. Cascade Historian Functions

Table of Contents
`HI_Add` -- adds a single value at a specified time.
`HI_BufferIDDestroy` -- destroys an interpolation buffer.
`HI_BufferIDLength` -- gives the length of an interpolation buffer.
`HI_BufferIDRead` -- reads an interpolation buffer.
`HI_Bufsize` -- sets the history buffer size.
`HI_ClipBuffer` -- clips `Y` values to fit within a range.
`HI_Count` -- counts the number of histories that match a pattern.
`HI_Deadband` -- sets the history value deadband.
`HI_Delete` -- removes a history from memory only.
`HI_Describe` -- describes a history's current configuration.
`HI_Disable` -- stops data recording.
`HI_Earliest` -- gives the earliest value in a history.
`HI_Enable` -- activates data recording.
`HI_ExchangeBuffer` -- swaps `X` and `Y` values.
`HI_FileBase` -- associates the history with a file for data storage.
`HI_Flush` -- writes buffered data to disk.
`HI_GapCountBuffer` -- identifies and counts large gaps in data.
`HI_GapFillBuffer` -- fills in data gaps found by `HI_GapCountBuffer`.
`HI_History` -- creates a new history.
`HI_Interpolate` -- queries history data for interpolation.
`HI_InterpolateData` -- interpolates a history and returns data.
`HI_Latest` -- gives the latest value in a history.
`HI_Length` -- finds the total number of values in a history.
`HI_List` -- finds the name of available histories.
`HI_ScaleBuffer` -- performs offset and scaling operations.
`HI_StatBuffer` -- generates summary statistics on Y-values.
`HI_Register` -- registers histories with the Cascade DataHub.
`HI_Unregister` -- unregisters histories with the Cascade DataHub.
`HI_Version` -- gets the version number of the Cascade Historian.

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