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# Index

## Classes

| Name | Description
--- | --- | ---
| PDFExponentialFunction | Defines a type 2 (Exponential Interpolation) function.
| PDFFunction | Defines the base class for all PDF functions.
| PDFFunctionCollection | Defines a collection of PDF functions.
| PDFPostScriptFunction | Defines a type 4 (PostScript) function.
| PDFSampleFunction | Defines a type 0 (Sampled) function.
| PDFStitchingFunction | Defines a type 3 (Stitching) function.

## Enums

| Name | Description
--- | --- | ---
| PDFFunctionInterpolationMode | Supported interpolation modes for a type 0 function values.