From aa0f3ae2988d372b190b9bde2e75a6d17e744e93 Mon Sep 17 00:00:00 2001
From: Ian Jauslin <ian.jauslin@roma1.infn.it>
Date: Sun, 14 Jun 2015 00:52:45 +0000
Subject: Initial commit

---
 src/meantools_eval.c | 129 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 src/meantools_eval.c

(limited to 'src/meantools_eval.c')

diff --git a/src/meantools_eval.c b/src/meantools_eval.c
new file mode 100644
index 0000000..50fff5b
--- /dev/null
+++ b/src/meantools_eval.c
@@ -0,0 +1,129 @@
+/*
+Copyright 2015 Ian Jauslin
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "meantools_eval.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "parse_file.h"
+#include "cli_parser.h"
+#include "grouped_polynomial.h"
+#include "array.h"
+#include "rcc.h"
+
+
+#define CP_FLAG_RCCS 1
+// read command line arguments
+int tool_eval_read_args(int argc, const char* argv[], Str_Array* str_args, Meantools_Options* opts){
+  // file to read the polynomial from in flow mode
+  const char* file="";
+  // whether a file was specified on the command-line
+  int exists_file=0;
+  // flag
+  int flag=0;
+  int i;
+  char* ptr;
+
+  // defaults
+  // mark rccstring so that it can be recognized whether it has been set or not
+  (*opts).eval_rccstring.length=-1;
+
+  // loop over arguments
+  for(i=2;i<argc;i++){
+    // flag
+    if(argv[i][0]=='-'){
+      for(ptr=((char*)argv[i])+1;*ptr!='\0';ptr++){
+	switch(*ptr){
+	// evaluate string
+	case 'R':
+	  flag=CP_FLAG_RCCS;
+	  break;
+	}
+      }
+    }
+    // rccs
+    else if(flag==CP_FLAG_RCCS){
+      str_to_char_array((char*)argv[i], &((*opts).eval_rccstring));
+      flag=0;
+    }
+    // read file name from command-line
+    else{
+      file=argv[i];
+      exists_file=1;
+    }
+  }
+
+  read_config_file(str_args, file, 1-exists_file);
+
+  return(0);
+}
+
+
+// evaluate a flow equation on a vector of rccs
+int tool_eval(Str_Array str_args, Meantools_Options opts){
+  // index of the entry in the input file
+  int arg_index;
+  // rccs
+  RCC rccs;
+  // flow equation
+  Grouped_Polynomial flow_equation;
+
+
+  // parse flow equation
+  // if there is a unique argument, assume it is the flow equation
+  if(str_args.length==1){
+    char_array_to_Grouped_Polynomial(str_args.strs[0], &flow_equation);
+  }
+  else{
+    arg_index=find_str_arg("flow_equation", str_args);
+    if(arg_index<0){
+      fprintf(stderr,"error: no flow equation entry in the configuration file\n");
+      exit(-1);
+    }
+    else{
+      char_array_to_Grouped_Polynomial(str_args.strs[arg_index], &flow_equation);
+    }
+
+    // rccs
+    // check they were not specified on the command line
+    if(opts.eval_rccstring.length==-1){
+      arg_index=find_str_arg("initial_condition", str_args);
+      if(arg_index>=0){
+	char_array_cpy(str_args.strs[arg_index],&(opts.eval_rccstring));
+      }
+    }
+  }
+
+  // initialize the rccs
+  prepare_init(flow_equation.indices,flow_equation.length,&rccs);
+  // read rccs from string
+  if(opts.eval_rccstring.length!=-1){
+    parse_init_cd(opts.eval_rccstring, &rccs);
+    free_Char_Array(opts.eval_rccstring);
+  }
+
+  // evaluate
+  evaleq(&rccs, flow_equation);
+
+  // print
+  RCC_print(rccs);
+
+  // free memory
+  free_Grouped_Polynomial(flow_equation);
+  free_RCC(rccs);
+  return(0);
+}
+
-- 
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