1 files changed, 47 insertions, 0 deletions
diff --git a/examples/lower_bound.c b/examples/lower_bound.c
new file mode 100644
index 00000000..578209f8
--- /dev/null
+++ b/examples/lower_bound.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+
+#define i_val int
+#include <stc/cvec.h>
+
+#define i_val int
+#include <stc/csset.h>
+
+ 
+int main()
+{
+    c_auto (csset_int, set)
+    c_auto (cvec_int, vec)
+    {
+        int key, *res;
+
+        // TEST SORTED VECTOR
+        c_apply(t, cvec_int_push(&vec, t), int, { 
+            40, 600, 1, 7000, 2, 500, 30, 
+        });
+
+        cvec_int_sort(&vec);
+
+        key = 550;
+        res = cvec_int_lower_bound(&vec, key).ref;
+
+        if (res != cvec_int_end(&vec).ref)
+            printf("Vec key %d: lower bound: %d\n", key, *res); // 600
+        else
+            printf("Vec element not found\n");
+
+
+        // TEST SORTED SET
+        c_apply(t, csset_int_push(&set, t), int, { 
+            40, 600, 1, 7000, 2, 500, 30,
+        });
+
+        key = 550;
+        res = csset_int_lower_bound(&set, key).ref;
+
+        if (res != csset_int_end(&set).ref)
+            printf("Set key %d: lower bound: %d\n", key, *res); // 600
+        else
+            printf("Set element not found\n");
+    }
+    return 0;
+}