isclose Function

public elemental function isclose(a, b, rel_tol, abs_tol)

Checks if two floating point numbers of type double are close within tolerance.

Based on python implementation at https://github.com/PythonCHB/close_pep/blob/master/is_close.py. The method='weak' option is used here.

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=rp),	intent(in)			::	a
real(kind=rp),	intent(in)			::	b
real(kind=rp),	intent(in),	optional		::	rel_tol	Relative tolerance, rel_tol >= 0, default 1e-10
real(kind=rp),	intent(in),	optional		::	abs_tol	Absolute tolerance, abs_tol >= 0, default 0.0

Return Value logical