Squashed 'libs/EXTERNAL/libtatum/' changes from 4e4583163..487454510

487454510 Add missing header file
11758b66c Throw exceptions instead of ASSERT to allow for error annotations.
2c7283ab6 Update iterator type to multimap to match source.

git-subtree-dir: libs/EXTERNAL/libtatum
git-subtree-split: 487454510fd7c7a7ef979412cc6d1f6a95ef7212

Author: kmurray

libtatum/tatum/TimingConstraints.hpp

@@ -24,7 +24,7 @@ class TimingConstraints {
         typedef tatum::util::linear_map<DomainId,DomainId>::const_iterator domain_iterator;
         typedef std::map<DomainPair,Time>::const_iterator clock_constraint_iterator;
         typedef std::map<DomainPair,Time>::const_iterator clock_uncertainty_iterator;
-        typedef std::map<NodeId,IoConstraint>::const_iterator io_constraint_iterator;
+        typedef std::multimap<NodeId,IoConstraint>::const_iterator io_constraint_iterator;
         typedef std::map<DomainId,Time>::const_iterator source_latency_iterator;
         typedef std::unordered_set<NodeId>::const_iterator constant_generator_iterator;
 
@@ -156,7 +156,7 @@ class TimingConstraints {
         void remap_nodes(const tatum::util::linear_map<NodeId,NodeId>& node_map);
 
     private:
-        typedef std::map<NodeId,IoConstraint>::iterator mutable_io_constraint_iterator;
+        typedef std::multimap<NodeId,IoConstraint>::iterator mutable_io_constraint_iterator;
     private:
         ///\returns A valid domain id if the node is a clock source
         DomainId find_node_source_clock_domain(const NodeId node_id) const;

libtatum/tatum/timing_paths.cpp

@@ -4,6 +4,7 @@
 #include "tatum/TimingConstraints.hpp"
 #include "tatum/report/TimingReportTagRetriever.hpp"
 #include "tatum/report/timing_path_tracing.hpp"
+#include "tatum/error.hpp"
 
 namespace tatum {
 
@@ -42,13 +43,19 @@ std::vector<TimingPathInfo> find_critical_paths(const TimingGraph& timing_graph,
         //Look at each data arrival
         for(TimingTag slack_tag : setup_analyzer.setup_slacks(node)) {
             Time slack = slack_tag.time();
-            TATUM_ASSERT(slack.valid());
+            if(!slack.valid()) {
+                throw Error("slack is not valid", node);
+            }
 
             Time constraint = Time(timing_constraints.setup_constraint(slack_tag.launch_clock_domain(), slack_tag.capture_clock_domain()));
-            TATUM_ASSERT(constraint.valid());
+            if(!constraint.valid()) {
+                throw Error("constraint is not valid", node);
+            }
 
             Time cpd = Time(constraint) - slack;
-            TATUM_ASSERT(slack.valid());
+            if(!cpd.valid()) {
+                throw Error("cpd is not valid", node);
+            }
 
             //Record the path info
             TimingPathInfo path(TimingType::SETUP,