PETSc version 3.15.5
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# PETSC_DECIDE

standard way of passing in integer or floating point parameter where you wish PETSc to use the default.

### See Also

PETSC_DEFAULT, PETSC_IGNORE, PETSC_DETERMINE

### Level

beginner

### Location

include/petscsys.h

### Examples

src/vec/vec/utils/tagger/tutorials/ex1.c.html
src/vec/vec/tutorials/ex1.c.html
src/vec/vec/tutorials/ex2.c.html
src/vec/vec/tutorials/ex3.c.html
src/vec/vec/tutorials/ex5.c.html
src/vec/vec/tutorials/ex6.c.html
src/vec/vec/tutorials/ex7.c.html
src/vec/vec/tutorials/ex8.c.html
src/vec/vec/tutorials/ex9.c.html
src/vec/vec/tutorials/ex10.c.html
src/vec/vec/tutorials/ex11.c.html
Index of all Sys routines
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Index of all manual pages