max_dim=INT_MAX for sparse Rips by default.

2 files changed, 4 insertions, 4 deletions

diff --git a/src/Rips_complex/utilities/ripscomplex.md b/src/Rips_complex/utilities/ripscomplex.md
index 108cdd50..03838085 100644
--- a/src/Rips_complex/utilities/ripscomplex.md
+++ b/src/Rips_complex/utilities/ripscomplex.md
@@ -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)/(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/(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`
 
@@ -100,7 +100,7 @@ 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)/(1-epsilon)-approximation of the Rips complex.
-* `-d [ --cpx-dimension ]` (default = 1) Maximal dimension of the Rips complex we want to compute.
+* `-d [ --cpx-dimension ]` (default = INT_MAX) 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.
 
diff --git a/src/Rips_complex/utilities/sparse_rips_persistence.cpp b/src/Rips_complex/utilities/sparse_rips_persistence.cpp
index 6d4d86fd..3840d9f7 100644
--- a/src/Rips_complex/utilities/sparse_rips_persistence.cpp
+++ b/src/Rips_complex/utilities/sparse_rips_persistence.cpp
@@ -98,7 +98,7 @@ void program_options(int argc, char* argv[], std::string& off_file_points, std::
       "Name of file in which the persistence diagram is written. Default print in std::cout")(
       "approximation,e", po::value<double>(&epsilon)->default_value(.5),
       "Epsilon, where the sparse Rips complex is a (1+epsilon)-approximation of the Rips complex.")(
-      "cpx-dimension,d", po::value<int>(&dim_max)->default_value(1),
+      "cpx-dimension,d", po::value<int>(&dim_max)->default_value(std::numeric_limits<int>::max()),
       "Maximal dimension of the Rips complex we want to compute.")(
       "field-charac,p", po::value<int>(&p)->default_value(11),
       "Characteristic p of the coefficient field Z/pZ for computing homology.")(
@@ -119,7 +119,7 @@ void program_options(int argc, char* argv[], std::string& off_file_points, std::
   if (vm.count("help") || !vm.count("input-file")) {
     std::cout << std::endl;
     std::cout << "Compute the persistent homology with coefficient field Z/pZ \n";
-    std::cout << "of a sparse (1+epsilon)-approximation of the Rips complex \ndefined on a set of input points.\n \n";
+    std::cout << "of a sparse 1/(1-epsilon)-approximation of the Rips complex \ndefined on a set of input points.\n \n";
     std::cout << "The output diagram contains one bar per line, written with the convention: \n";
     std::cout << "   p   dim b d \n";
     std::cout << "where dim is the dimension of the homological feature,\n";