Changeset 1542 for trunk/examples/objects

Timestamp:

Jul 6, 2009, 8:53:19 AM (15 years ago)

Author:

dkearney

Message:

another possible example for accessing input data

Location:

trunk/examples/objects/app-fermi

Files:

• fermi1.cc (moved) (moved from trunk/examples/objects/app-fermi/fermi.cc) (2 diffs)
• fermi2.cc (added)

trunk/examples/objects/app-fermi/fermi1.cc

@@ -32 +32 @@
     double f          = 0.0;
 
-    int err           = 0;
-
     // create a rappture library from the file filePath
     lib = new Rappture::Library(argv[1]);
@@ -43 +41 @@
     }
 
+    lib.value("temperature", &T, "units=K")
+    lib.value("Ef", &Ef, "units=eV");
 
-    /* Alternative ways to access data
-
-    //////////////////////////////
-    lib.get("input.number(temperature)").value("K",&T)
-    lib.get("input.number(Ef)").value("eV",&Ef);
-    //////////////////////////////
-
-    //////////////////////////////
-    Rappture::Number *rpT = NULL;
-    Rappture::Number *rpEf = NULL;
-    rpT = (Rappture::Number *) lib.get("input.number(temperature)");
-    rpEf = (Rappture::Number *) lib.get("input.number(Ef)");
-
-    T = rpT->value("K");
-    Ef = rpEf->value("Ef");
-    //////////////////////////////
-
-    //////////////////////////////
-    T = lib.value("input.number(temperature)","units=K")
-    Ef = lib.value("input.number(Ef)","units=eV");
-    //////////////////////////////
-    */
-
-    int err = 0;
-    err = lib.value("input.number(temperature)", &T, "units=K")
-    err = lib.value("input.number(Ef)", &Ef, "units=eV");
+    if (lib.error() != 0) {
+        // there were errors while retrieving input data values
+        // dump the tracepack
+        fprintf(stderr, lib.traceback());
+        exit(lib.error());
+    }
 
     kT = 8.61734e-5 * T;