Name

The name is an abbreviation for the core operation that the function really does, for example Set, Copy, followed in some cases by a function-specific modifier:

<name > = <operation>[_ modifier]

This modifier, if present, denotes a slight modification or variation of the given function. For example, the modifier CToC in the function name ippsFFTInv_CToC_32fc signifies that the inverse fast Fourier transform operates on complex data, performing Complex-To-Complex (CToC) transform.