Script files for the validation of beta.logBeta(double, double)

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1407592 13f79535-47bb-0310-9956-ffa450edef68

src/test/maxima/special/reference/logBeta.mac

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+/*
+ * This script generates reference ("exact") values for the logGamma function.
+ * The generated values are stored sequentially in a binary file, as follows
+ * x[0], f(x[0]), x[1], f(x[1]), ...
+ * where f is the function being sampled.
+ */
+ 
+kill(all);
+fpprec : 64;
+
+sample(x, y, name) := block(
+  stream : openw_binary(name),
+  for i : 1 while i <= length(x) do block(
+    print(i),
+    for j : 1 while j <= length(y) do
+      write_binary_data([x[i], y[j], log(beta(x[i], y[j]))], stream)
+  ),
+  close(stream)
+);
+
+/*
+x : makelist(bfloat(i / 32), i, 1, 256);
+y : makelist(bfloat(j / 32), j, 1, 256);
+sample(x, y, "logBeta-01.dat");
+
+x : makelist(bfloat(i / 32), i, 1, 256);
+y : makelist(bfloat(j / 32), j, 257, 512);
+sample(x, y, "logBeta-02.dat");
+*/
+
+x : makelist(bfloat(i / 32), i, 1, 256);
+y : makelist(bfloat(j), j, 17, 256);
+sample(x, y, "logBeta-03.dat");

src/test/maxima/special/reference/logBeta.properties

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+method=org.apache.commons.math3.special.Beta.logBeta
+signature=double, double
+inputFileMask=logBeta-%02d.dat
+outputFileMask=logBeta-out-%02d.dat
+from=1
+to=4
+by=1