message: True interleaving distance for the sparse Rips.
diff: @@ -85,7 +85,7 @@ properly, this is a known issue.
  ## sparse_rips_persistence ##
  This program computes the persistent homology with coefficient field *Z/pZ*
  -of a sparse (1+epsilon)-approximation of the Rips complex defined on a set of input Euclidean points. The output diagram contains one bar per line, written with the convention:
  +of a sparse (1+epsilon)/(1-epsilon)-approximation of the Rips complex defined on a set of input Euclidean points. The output diagram contains one bar per line, written with the convention:
  `p dim birth death`
  @@ -99,7 +99,7 @@ where `dim` is the dimension of the homological feature, `birth` and `death` are
  * `-h [ --help ]` Produce help message
  * `-o [ --output-file ]` Name of file in which the persistence diagram is written. Default print in standard output.
  -* `-e [ --approximation ]` (default = .5) Epsilon, where the sparse Rips complex is a (1+epsilon)-approximation of the Rips complex.
  +* `-e [ --approximation ]` (default = .5) Epsilon, where the sparse Rips complex is a (1+epsilon)/(1-epsilon)-approximation of the Rips complex.
  * `-d [ --cpx-dimension ]` (default = 1) Maximal dimension of the Rips complex we want to compute.
  * `-p [ --field-charac ]` (default = 11) Characteristic p of the coefficient field Z/pZ for computing homology.
  * `-m [ --min-persistence ]` (default = 0) Minimal lifetime of homology feature to be recorded. Enter a negative value to see zero length intervals.
  