zero {jordan}

The zero Jordan object

Description

Package idiom for the zero Jordan object, and testing

Usage

is.zero(x)
is_zero_jordan(e1,e2=0)

Arguments

x, e1

Jordan object to test for zeroness

e2

Dummy numeric object to make the Arith method work

Details

One often wants to test a jordan object for being zero, and natural idiom would be rchm()==0. The helper function is is_zero_jordan(), and the generic is is.zero().

Value

Returns a Boolean

Author(s)

Robin K. S. Hankin

Examples

rrsm()*0 == 0