petsc-3.11.4 2019-09-28
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PetscIsCloseAtTol

 Returns whether the two floating point numbers are close at given relative and absolute tolerances.

Synopsis

PetscBool PetscIsCloseAtTol(PetscReal a,PetscReal b,PetscReal rtol,PetscReal atol)

Input Parameter

Notes: https://www.python.org/dev/peps/pep-0485

Level

beginner

Location

src/sys/utils/mathclose.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages
a - first floating point number
b - second floating point number
rtol - relative tolerance + atol - absolute tolerances