Initial commit: FunASR Speech Recognition Toolkit

Add complete FunASR codebase including models, runtime, and documentation.

runtime/onnxruntime/third_party/openfst/src/bin/fstisomorphic-main.cc

@@ -0,0 +1,53 @@
+// See www.openfst.org for extensive documentation on this weighted
+// finite-state transducer library.
+//
+// Two FSTS are isomorphic (equal up to state and arc re-ordering) iff their
+// exit status is zero. FSTs should be deterministic when viewed as unweighted
+// automata.
+
+#include <cstring>
+
+#include <memory>
+#include <string>
+
+#include <fst/flags.h>
+#include <fst/log.h>
+#include <fst/script/isomorphic.h>
+
+DECLARE_double(delta);
+
+int fstisomorphic_main(int argc, char **argv) {
+  namespace s = fst::script;
+  using fst::script::FstClass;
+
+  string usage =
+      "Two FSTs are isomorphic iff the exit status is zero.\n\n  Usage: ";
+  usage += argv[0];
+  usage += " in1.fst in2.fst\n";
+
+  std::set_new_handler(FailedNewHandler);
+  SET_FLAGS(usage.c_str(), &argc, &argv, true);
+  if (argc != 3) {
+    ShowUsage();
+    return 1;
+  }
+
+  const string in1_name = strcmp(argv[1], "-") == 0 ? "" : argv[1];
+  const string in2_name = strcmp(argv[2], "-") == 0 ? "" : argv[2];
+
+  if (in1_name.empty() && in2_name.empty()) {
+    LOG(ERROR) << argv[0] << ": Can't take both inputs from standard input";
+    return 1;
+  }
+
+  std::unique_ptr<FstClass> ifst1(FstClass::Read(in1_name));
+  if (!ifst1) return 1;
+
+  std::unique_ptr<FstClass> ifst2(FstClass::Read(in2_name));
+  if (!ifst2) return 1;
+
+  bool result = s::Isomorphic(*ifst1, *ifst2, FLAGS_delta);
+  if (!result) VLOG(1) << "FSTs are not isomorphic";
+
+  return result ? 0 : 2;
+}