1 2 // Licensed under the Apache License, Version 2.0 (the "License"); 3 // you may not use this file except in compliance with the License. 4 // You may obtain a copy of the License at 5 // 6 // http://www.apache.org/licenses/LICENSE-2.0 7 // 8 // Unless required by applicable law or agreed to in writing, software 9 // distributed under the License is distributed on an "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 // 14 // Copyright 2005-2010 Google, Inc. 15 // Author: jpr (at) google.com (Jake Ratkiewicz) 16 17 #ifndef FST_SCRIPT_RANDEQUIVALENT_H_ 18 #define FST_SCRIPT_RANDEQUIVALENT_H_ 19 20 #include <fst/script/arg-packs.h> 21 #include <fst/script/fst-class.h> 22 #include <fst/script/randgen.h> // for RandArcSelection 23 #include <fst/randequivalent.h> 24 25 namespace fst { 26 namespace script { 27 28 // 1 29 typedef args::Package<const FstClass&, const FstClass&, 30 int32, float, int, int> RandEquivalentInnerArgs1; 31 typedef args::WithReturnValue<bool, 32 RandEquivalentInnerArgs1> RandEquivalentArgs1; 33 34 template<class Arc> 35 void RandEquivalent(RandEquivalentArgs1 *args) { 36 const Fst<Arc> &fst1 = *(args->args.arg1.GetFst<Arc>()); 37 const Fst<Arc> &fst2 = *(args->args.arg2.GetFst<Arc>()); 38 39 args->retval = RandEquivalent(fst1, fst2, args->args.arg3, args->args.arg4, 40 args->args.arg5, args->args.arg6); 41 } 42 43 // 2 44 typedef args::Package<const FstClass &, const FstClass &, int32, 45 ssize_t, float, 46 const RandGenOptions<RandArcSelection> &> 47 RandEquivalentInnerArgs2; 48 49 typedef args::WithReturnValue<bool, 50 RandEquivalentInnerArgs2> RandEquivalentArgs2; 51 52 template<class Arc> 53 void RandEquivalent(RandEquivalentArgs2 *args) { 54 const Fst<Arc> &fst1 = *(args->args.arg1.GetFst<Arc>()); 55 const Fst<Arc> &fst2 = *(args->args.arg2.GetFst<Arc>()); 56 const RandGenOptions<RandArcSelection> &opts = args->args.arg6; 57 int32 seed = args->args.arg3; 58 59 if (opts.arc_selector == UNIFORM_ARC_SELECTOR) { 60 UniformArcSelector<Arc> arc_selector(seed); 61 RandGenOptions< UniformArcSelector<Arc> > 62 ropts(arc_selector, opts.max_length, opts.npath); 63 64 args->retval = RandEquivalent(fst1, fst2, args->args.arg4, 65 args->args.arg5, ropts); 66 } else if (opts.arc_selector == FAST_LOG_PROB_ARC_SELECTOR) { 67 FastLogProbArcSelector<Arc> arc_selector(seed); 68 RandGenOptions< FastLogProbArcSelector<Arc> > 69 ropts(arc_selector, opts.max_length, opts.npath); 70 71 args->retval = RandEquivalent(fst1, fst2, args->args.arg4, 72 args->args.arg5, ropts); 73 } else { 74 LogProbArcSelector<Arc> arc_selector(seed); 75 RandGenOptions< LogProbArcSelector<Arc> > 76 ropts(arc_selector, opts.max_length, opts.npath); 77 args->retval = RandEquivalent(fst1, fst2, args->args.arg4, 78 args->args.arg5, ropts); 79 } 80 } 81 82 83 // 1 84 bool RandEquivalent(const FstClass &fst1, 85 const FstClass &fst2, 86 int32 seed = time(0), 87 ssize_t num_paths = 1, 88 float delta = fst::kDelta, 89 int path_length = INT_MAX); 90 91 // 2 92 bool RandEquivalent(const FstClass &fst1, 93 const FstClass &fst2, 94 int32 seed, 95 ssize_t num_paths, 96 float delta, 97 const fst::RandGenOptions< 98 fst::script::RandArcSelection> &opts); 99 100 } // namespace script 101 } // namespace fst 102 103 104 105 #endif // FST_SCRIPT_RANDEQUIVALENT_H_ 106
