petsc-3.7.1 2016-05-15
PetscTimeSubtract
Subtracts the current time of day (in seconds) from the value v.
Synopsis
#include <petsctime.h>
PetscTimeSubtract(&PetscLogDouble *v)
Not Collective Many br
Input Parameter
v -time counter Many br
Output Parameter
v -time counter (v = v - current time) Many br
Many br
Notes
Since the PETSc libraries incorporate timing of phases and operations, Many brwe do not every recommend using PetscTimeSubtract() Many brThe options database command -log_summary activates Many brPETSc library timing. See Users-Manual: Chapter 13 Profiling for more details, also Many brsee PetscLogStageRegister(), PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd() for how to register Many brstages and events in application codes. Many br
See Also
PetscTime(), PetscTimeAdd(), PetscLogStageRegister(), PetscLogEventRegister(), PetscLogEventBegin(), PetscLogEventEnd()
Keywords
Petsc, time, subtract
Level:developer
Location:src/sys/time/../../../include/petsctime.h
Index of all Sys routines
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Index of all manual pages