booleanvector: Use isempty() instead of size()==0

[libstick.git] / include / libstick-0.1 / persistence.h

diff --git a/include/libstick-0.1/persistence.h b/include/libstick-0.1/persistence.h
index ea7369331bab105ba1e9903c9b5a69d611439bd8..d7cc25f23878266da513ea123399d7b2522d1092 100644 (file)
--- a/include/libstick-0.1/persistence.h
+++ b/include/libstick-0.1/persistence.h
@@ -117,7 +117,7 @@ class persistence {
                 //if (c % 100 == 0)
                 //std::cout << "c = " << c << " (" << (100.0*float(c)/rbm.width()) << " %)" << std::endl;
                 // Reduce as long as we need to reduce
-                while (rbm.get_column(c).size() > 0) {
+                while (!rbm.get_column(c).isempty()) {
                     // (r, c) is the lowest one of col
                     const IT r = rbm.get_column(c).back();
                     // This column contains its lowest one on the same row
@@ -137,7 +137,7 @@ class persistence {
                 }
 
                 // A lowest one remained, recall it
-                if (rbm.get_column(c).size() > 0) {
+                if (!rbm.get_column(c).isempty()) {
                     const IT r = rbm.get_column(c).back();
                     assert(lowestones[r] == 0);
                     assert(r < c);
@@ -204,7 +204,7 @@ class persistence {
                 os << "  boundary: " << bm.get_column(c) << std::endl;
 
                 typename boolean_colmatrix<IT>::column_type col = rbm.get_column(c);
-                if (col.size() == 0) {
+                if (col.isempty()) {
                     os << "  \033[1;32mbirth\033[0;m of a cycle: " << tm.get_column(c) << std::endl;
                 } else {
                     os << "  \033[1;31mdeath\033[0;m of a cycle: " << rbm.get_column(c) << std::endl;
@@ -240,7 +240,7 @@ class persistence {
 
             for (unsigned c=0; c < lowestones.size(); ++c) {
                 // A cycle was born
-                if (rbm.get_column(c).size() == 0) {
+                if (rbm.get_column(c).isempty()) {
                     const int dim = order.get_simplex(c).dim;
 
                     // Create a diagram point
@@ -265,7 +265,7 @@ class persistence {
             // or not be, tertium non datur.
             for (unsigned c=0; c < lowestones.size(); ++c) {
                 // A class died with c
-                if (rbm.get_column(c).size() != 0)
+                if (!rbm.get_column(c).isempty())
                     assert(c == 0 || deaths.count(c) > 0);
                 else
                     assert(births.count(c) > 0);