| /* |
| * 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"); |
| |
| x : makelist(bfloat(i / 32), i, 257, 512); |
| y : makelist(bfloat(j / 32), j, 257, 512); |
| sample(x, y, "logBeta-04.dat"); |
| |
| x : makelist(bfloat(i / 32), i, 257, 512); |
| y : makelist(bfloat(j), j, 17, 256); |
| sample(x, y, "logBeta-05.dat"); |
| |
| x : makelist(bfloat(i), i, 17, 256); |
| y : makelist(bfloat(j), j, 17, 256); |
| sample(x, y, "logBeta-06.dat"); |