| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| type(psb_dspmat_type), | public, | pointer | :: | a | Matrix on which we work |
||
| complex(kind=psb_dpk_), | public, | allocatable, dimension(:) | :: | c | Scaling of the formula |
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| type(psb_desc_type), | public | :: | desc_a | Descriptor for parallel environment |
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| real(kind=psb_dpk_), | public | :: | eta | Global Scaling |
|||
| type(psb_dprec_type), | public, | pointer | :: | prec | Preconditioner for the solution of the associate linear systems |
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| real(kind=psb_dpk_), | public | :: | sign | Sign for |
|||
| complex(kind=psb_dpk_), | public, | allocatable, dimension(:) | :: | xi | Poles of the formula |
Compute the poles for a given combination of quadrature rule and quadrature formula
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(psfun_z_quadrature), | intent(inout) | :: | quad | Quadrature type |
||
| procedure(zquadrule), | intent(in), | pointer | :: | quadformula | Quadrature formula |
|
| procedure(zquadfun), | intent(in), | pointer | :: | zfun | Function to integrate |
|
| integer(kind=psb_ipk_), | intent(in) | :: | N | Number of poles |
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| integer(kind=psb_ipk_), | intent(out) | :: | info | Flag on the results |
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| complex(kind=psb_dpk_), | intent(in), | optional | dimension(:) | :: | cparams | Optional complex parameters |
| real(kind=psb_dpk_), | intent(in), | optional | dimension(:) | :: | rparams | Optional real parameters |
Plots on the complex plane the quadrature poles, and plots the weights of the formula
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(psfun_z_quadrature), | intent(in) | :: | quad | Quadrature rule |
||
| procedure(zquadfun), | intent(in), | pointer | :: | zfun | Function to integrate |
|
| integer(kind=psb_ipk_), | intent(out) | :: | info | |||
| character(len=*), | intent(in), | optional | :: | filename |
Set the matrix for
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(psfun_z_quadrature), | intent(inout) | :: | quad | Quadrature type |
||
| type(psb_dspmat_type), | target | :: | a | Matrix on which we work |
Set the preconditioner to use for the given quadrature formula
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(psfun_z_quadrature), | intent(inout) | :: | quad | Quadrature type |
||
| type(psb_dprec_type), | target | :: | prec | Preconditioner for the solution of the associate linear systems |
Set the matrix for
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(psfun_z_quadrature), | intent(inout) | :: | quad | Quadrature type |
||
| type(psb_dspmat_type), | target | :: | a | Matrix on which we work |
Set the preconditioner to use for the given quadrature formula
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(psfun_z_quadrature), | intent(inout) | :: | quad | Quadrature type |
||
| type(psb_dprec_type), | target | :: | prec | Preconditioner for the solution of the associate linear systems |