INTERPOLATOR

kind of interpolation used between the multigrids [Edit on GitHub]

Subsections

Keywords

Keyword descriptions

AINT_PRECOND

Type: enum
Default: SPL3_NOPBC_AINT1
Usage: aint_precond copy

Description: the approximate inverse to use to get the starting point for the linear solver of the spline3 methods

Valid values:

  • COPY

  • SPL3_NOPBC_AINT1

  • SPL3_NOPBC_AINT2

  • SPL3_NOPBC_PRECOND1

  • SPL3_NOPBC_PRECOND2

  • SPL3_NOPBC_PRECOND3

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EPS_R

Type: real
Default: 1.00000000E-010
Usage: eps_r 1.e-15

Description: accuracy on the residual for spline3 the interpolators

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EPS_X

Type: real
Default: 1.00000000E-010
Usage: eps_x 1.e-15

Description: accuracy on the solution for spline3 the interpolators

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KIND

Type: enum
Default: PW
Usage: kind spline3

Description: the interpolator to use

Valid values:

  • PW

  • SPLINE3_NOPBC

  • SPLINE3

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MAX_ITER

Type: integer
Default: 100
Aliases: MAXITER
Usage: max_iter 200

Description: the maximum number of iterations

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PRECOND

Type: enum
Default: SPL3_NOPBC_PRECOND3
Usage: PRECOND copy

Description: The preconditioner used for the linear solver of the spline3 methods

Valid values:

  • COPY

  • SPL3_NOPBC_AINT1

  • SPL3_NOPBC_AINT2

  • SPL3_NOPBC_PRECOND1

  • SPL3_NOPBC_PRECOND2

  • SPL3_NOPBC_PRECOND3

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SAFE_COMPUTATION

Type: logical
Default: F
Lone keyword: T
Usage: safe_computation OFF

Description: if a non unrolled calculation is to be performed in parallel

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