Author: celestin
Date: Tue Oct 23 06:04:09 2012
New Revision: 1401171
URL: http://svn.apache.org/viewvc?rev=1401171&view=rev
Log:
Maxima scripts to generate reference values for the gamma and logGamma
functions.
Added:
commons/proper/math/trunk/src/test/maxima/
commons/proper/math/trunk/src/test/maxima/special/
commons/proper/math/trunk/src/test/maxima/special/reference/
commons/proper/math/trunk/src/test/maxima/special/reference/gamma.mac
commons/proper/math/trunk/src/test/maxima/special/reference/logGamma.mac
Modified:
commons/proper/math/trunk/pom.xml
Modified: commons/proper/math/trunk/pom.xml
URL:
http://svn.apache.org/viewvc/commons/proper/math/trunk/pom.xml?rev=1401171&r1=1401170&r2=1401171&view=diff
==============================================================================
--- commons/proper/math/trunk/pom.xml (original)
+++ commons/proper/math/trunk/pom.xml Tue Oct 23 06:04:09 2012
@@ -434,5 +434,18 @@
</plugin>
</plugins>
</reporting>
+ <profiles>
+ <profile>
+ <id>fast</id>
+ <properties>
+ <skipTests>true</skipTests>
+<!-- <maven.javadoc.skip>true</maven.javadoc.skip>-->
+ <maven.clover.skip>true</maven.clover.skip>
+ <cobertura.skip>true</cobertura.skip>
+ <findbugs.skip>true</findbugs.skip>
+ <pmd.skip>true</pmd.skip>
+ </properties>
+ </profile>
+ </profiles>
</project>
Added: commons/proper/math/trunk/src/test/maxima/special/reference/gamma.mac
URL:
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/maxima/special/reference/gamma.mac?rev=1401171&view=auto
==============================================================================
--- commons/proper/math/trunk/src/test/maxima/special/reference/gamma.mac
(added)
+++ commons/proper/math/trunk/src/test/maxima/special/reference/gamma.mac Tue
Oct 23 06:04:09 2012
@@ -0,0 +1,63 @@
+/*
+ * 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 gamma 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;
+f(x) := gamma(x);
+
+sample(x, name) := block(
+ y : [],
+ for i : 1 while i <= length(x) do y : endcons(float(f(x[i])), y),
+ xy : join(float(x), y),
+ stream : openw_binary(name),
+ write_binary_data(xy, stream),
+ close(stream)
+ );
+
+x : makelist(bfloat(i / 1024), i, -5119, -4097);
+sample(x, "gamma-01.dat");
+
+x : makelist(bfloat(i / 1024), i, -4095, -3073);
+sample(x, "gamma-02.dat");
+
+x : makelist(bfloat(i / 1024), i, -3071, -2049);
+sample(x, "gamma-03.dat");
+
+x : makelist(bfloat(i / 1024), i, -2047, -1025);
+sample(x, "gamma-04.dat");
+
+x : makelist(bfloat(i / 1024), i, -1023, -1);
+sample(x, "gamma-05.dat");
+
+x : makelist(bfloat(i / 1024), i, 1, 8192);
+sample(x, "gamma-06.dat");
+
+x : makelist(bfloat(i / 64), i, 513, 9024);
+sample(x, "gamma-07.dat");
+
+
+
+
+
+
Added: commons/proper/math/trunk/src/test/maxima/special/reference/logGamma.mac
URL:
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/maxima/special/reference/logGamma.mac?rev=1401171&view=auto
==============================================================================
--- commons/proper/math/trunk/src/test/maxima/special/reference/logGamma.mac
(added)
+++ commons/proper/math/trunk/src/test/maxima/special/reference/logGamma.mac
Tue Oct 23 06:04:09 2012
@@ -0,0 +1,49 @@
+/*
+ * 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;
+f(x) := log(gamma(x));
+
+sample(x, name) := block(
+ y : [],
+ for i : 1 while i <= length(x) do y : endcons(float(f(x[i])), y),
+ xy : join(float(x), y),
+ stream : openw_binary(name),
+ write_binary_data(xy, stream),
+ close(stream)
+ );
+
+x : append(makelist(bfloat(i / 1024), i, 1, 8192));
+sample(x, "logGamma-01.dat");
+
+x : makelist(bfloat(i / 8), i, 65, 8192);
+sample(x, "logGamma-02.dat");
+
+x : makelist(bfloat(i), i, 1025, 8192);
+sample(x, "logGamma-03.dat");
+
+x : makelist(bfloat(2**(i / 8)), i, 105, 8112);
+sample(x, "logGamma-04.dat");
\ No newline at end of file
