PetscSign#
Returns the sign of a number as an integer of value -1, 0, or 1
Synopsis#
#include <petscmath.h>
int PetscSign(type v)
Not Collective
Input Parameter#
v - the number
Note#
The type can be integer or real floating point value
See Also#
PetscAbsInt(), PetscAbsReal(), PetscAbsScalar()
Level#
beginner
Location#
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages