STRegister — SLEPc 3.25.0 documentation

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# STRegister

Adds a method to the spectral transformation package.

## Synopsis

    #include "slepcst.h"
    PetscErrorCode STRegister(const char *name,PetscErrorCode (*function)(ST))

Not Collective

## Input Parameters

- name - name of a new user-defined transformation

- function - routine to create method

## Notes

`STRegister()` may be called multiple times to add several user-defined spectral transformations.

## Example Usage

        STRegister("my_transform",MyTransformCreate);

Then, your spectral transform can be chosen with the procedural interface via

        STSetType(st,"my_transform")

or at runtime via the option `-st_type my_transform`

## See Also

ST: Spectral Transformation, `STSetType()`, `STRegisterAll()`

## Level

advanced

## Location

src/sys/classes/st/interface/stfunc.c

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