planner: add == and != operators for scheduled_point_t

Problem: `scheduled_point_t` needs `==` and `!=` operators to simplify
and improve equality testing for planner updates, assignment, and copy
construction.

Add the operators and the requisite .cpp file.

Author: milroy

resource/planner/c++/CMakeLists.txt

@@ -3,6 +3,7 @@ add_library(planner_cxx STATIC
 	./scheduled_point_tree.cpp
 	./mintime_resource_tree.cpp
 	./planner_multi.cpp
+	./planner_internal_tree.cpp
 	./mintime_resource_tree.hpp
 	./planner_internal_tree.hpp
 	./scheduled_point_tree.hpp

resource/planner/c++/Makefile.am

@@ -33,7 +33,8 @@ libplanner_cxx_la_SOURCES = \
         planner.cpp \
         planner_multi.cpp \
         scheduled_point_tree.cpp \
-        mintime_resource_tree.cpp
+        mintime_resource_tree.cpp \
+        planner_internal_tree.cpp
 
 libplanner_cxx_la_CFLAGS = $(AM_CFLAGS) -I$(top_srcdir)/resource/planner/c++
 

resource/planner/c++/planner_internal_tree.cpp

@@ -0,0 +1,49 @@
+/*****************************************************************************\
+ * Copyright 2024 Lawrence Livermore National Security, LLC
+ * (c.f. AUTHORS, NOTICE.LLNS, LICENSE)
+ *
+ * This file is part of the Flux resource manager framework.
+ * For details, see https://github.com/flux-framework.
+ *
+ * SPDX-License-Identifier: LGPL-3.0
+\*****************************************************************************/
+
+extern "C" {
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+}
+
+#include "planner_internal_tree.hpp"
+
+bool scheduled_point_t::operator== (const scheduled_point_t &o) const
+{
+    if (point_rb != o.point_rb)
+        return false;
+    if (resource_rb != o.resource_rb)
+        return false;
+    if (at != o.at)
+        return false;
+    if (in_mt_resource_tree != o.in_mt_resource_tree)
+        return false;
+    if (new_point != o.new_point)
+        return false;
+    if (ref_count != o.ref_count)
+        return false;
+    if (remaining != o.remaining)
+        return false;
+    if (scheduled != o.scheduled)
+        return false;
+
+    return true;
+}
+
+bool scheduled_point_t::operator!= (const scheduled_point_t &o) const
+{
+    return !operator == (o);
+}
+
+
+/*
+ * vi: ts=4 sw=4 expandtab
+ */

resource/planner/c++/planner_internal_tree.hpp

@@ -19,6 +19,9 @@
  *  tree.
  */
 struct scheduled_point_t {
+    bool operator== (const scheduled_point_t &o) const;
+    bool operator!= (const scheduled_point_t &o) const;
+
     scheduled_point_rb_node_t point_rb; /* BST node for scheduled point tree */
     mt_resource_rb_node_t resource_rb;  /* BST node for min-time resource tree */
     int64_t at;                  /* Resource-state changing time */