openfst-1.2.6/src/include/fst/script/randequivalent.h
Go to the documentation of this file.
00001 00002 /// Licensed under the Apache License, Version 2.0 (the "License"); 00003 /// you may not use this file except in compliance with the License. 00004 /// You may obtain a copy of the License at 00005 /// 00006 /// http://www.apache.org/licenses/LICENSE-2.0 00007 /// 00008 /// Unless required by applicable law or agreed to in writing, software 00009 /// distributed under the License is distributed on an "AS IS" BASIS, 00010 /// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00011 /// See the License for the specific language governing permissions and 00012 /// limitations under the License. 00013 /// 00014 /// Copyright 2005-2010 Google, Inc. 00015 /// Author: jpr@google.com (Jake Ratkiewicz) 00016 00017 #ifndef FST_SCRIPT_RANDEQUIVALENT_H_ 00018 #define FST_SCRIPT_RANDEQUIVALENT_H_ 00019 00020 #include <fst/script/arg-packs.h> 00021 #include <fst/script/fst-class.h> 00022 #include <fst/script/randgen.h> /// for RandArcSelection 00023 #include <fst/randequivalent.h> 00024 00025 namespace fst { 00026 namespace script { 00027 00028 /// 1 00029 typedef args::Package<const FstClass&, const FstClass&, 00030 int32, float, int, int> RandEquivalentInnerArgs1; 00031 typedef args::WithReturnValue<bool, 00032 RandEquivalentInnerArgs1> RandEquivalentArgs1; 00033 00034 template<class Arc> 00035 void RandEquivalent(RandEquivalentArgs1 *args) { 00036 const Fst<Arc> &fst1 = *(args->args.arg1.GetFst<Arc>()); 00037 const Fst<Arc> &fst2 = *(args->args.arg2.GetFst<Arc>()); 00038 00039 args->retval = RandEquivalent(fst1, fst2, args->args.arg3, args->args.arg4, 00040 args->args.arg5, args->args.arg6); 00041 } 00042 00043 /// 2 00044 typedef args::Package<const FstClass &, const FstClass &, int32, 00045 ssize_t, float, 00046 const RandGenOptions<RandArcSelection> &> 00047 RandEquivalentInnerArgs2; 00048 00049 typedef args::WithReturnValue<bool, 00050 RandEquivalentInnerArgs2> RandEquivalentArgs2; 00051 00052 template<class Arc> 00053 void RandEquivalent(RandEquivalentArgs2 *args) { 00054 const Fst<Arc> &fst1 = *(args->args.arg1.GetFst<Arc>()); 00055 const Fst<Arc> &fst2 = *(args->args.arg2.GetFst<Arc>()); 00056 const RandGenOptions<RandArcSelection> &opts = args->args.arg6; 00057 int32 seed = args->args.arg3; 00058 00059 if (opts.arc_selector == UNIFORM_ARC_SELECTOR) { 00060 UniformArcSelector<Arc> arc_selector(seed); 00061 RandGenOptions< UniformArcSelector<Arc> > 00062 ropts(arc_selector, opts.max_length, opts.npath); 00063 00064 args->retval = RandEquivalent(fst1, fst2, args->args.arg4, 00065 args->args.arg5, ropts); 00066 } else if (opts.arc_selector == FAST_LOG_PROB_ARC_SELECTOR) { 00067 FastLogProbArcSelectorGuard<Arc> arc_selector(seed); 00068 RandGenOptions< FastLogProbArcSelectorGuard<Arc> > 00069 ropts(arc_selector, opts.max_length, opts.npath); 00070 00071 args->retval = RandEquivalent(fst1, fst2, args->args.arg4, 00072 args->args.arg5, ropts); 00073 } else { 00074 LogProbArcSelectorGuard<Arc> arc_selector(seed); 00075 RandGenOptions< LogProbArcSelectorGuard<Arc> > 00076 ropts(arc_selector, opts.max_length, opts.npath); 00077 args->retval = RandEquivalent(fst1, fst2, args->args.arg4, 00078 args->args.arg5, ropts); 00079 } 00080 } 00081 00082 00083 /// 1 00084 bool RandEquivalent(const FstClass &fst1, 00085 const FstClass &fst2, 00086 int32 seed = time(0), 00087 ssize_t num_paths = 1, 00088 float delta = fst::kDelta, 00089 int path_length = INT_MAX); 00090 00091 /// 2 00092 bool RandEquivalent(const FstClass &fst1, 00093 const FstClass &fst2, 00094 int32 seed, 00095 ssize_t num_paths, 00096 float delta, 00097 const fst::RandGenOptions< 00098 fst::script::RandArcSelection> &opts); 00099 00100 } /// namespace script 00101 } /// namespace fst 00102 00103 00104 00105 #endif /// FST_SCRIPT_RANDEQUIVALENT_H_ 00106
