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-rw-r--r--libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp72
1 files changed, 72 insertions, 0 deletions
diff --git a/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp b/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp
new file mode 100644
index 00000000000..9727949a48a
--- /dev/null
+++ b/libcxx/test/numerics/rand/rand.dis/rand.dist.bern/rand.dist.bern.bin/eval_param.pass.cpp
@@ -0,0 +1,72 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <random>
+
+// template<class IntType = int>
+// class binomial_distribution
+
+// template<class _URNG> result_type operator()(_URNG& g, const param_type& parm);
+
+#include <random>
+#include <cassert>
+
+#include <iostream>
+
+int main()
+{
+ {
+ typedef std::binomial_distribution<> D;
+ typedef D::param_type P;
+ typedef std::minstd_rand0 G;
+ G g;
+ D d(16, .75);
+ P p(16, .25);
+ int count = 0;
+ int r = 0;
+ for (int i = 0; i < 100; ++i)
+ {
+ D::result_type u = d(g, p);
+ r += u;
+ }
+ assert(int(r/100. + .5) == 4);
+ }
+ {
+ typedef std::binomial_distribution<> D;
+ typedef D::param_type P;
+ typedef std::minstd_rand0 G;
+ G g;
+ D d(16, .75);
+ P p(16, .5);
+ int count = 0;
+ int r = 0;
+ for (int i = 0; i < 100; ++i)
+ {
+ D::result_type u = d(g, p);
+ r += u;
+ }
+ assert(int(r/100. + .5) == 8);
+ }
+ {
+ typedef std::binomial_distribution<> D;
+ typedef D::param_type P;
+ typedef std::minstd_rand0 G;
+ G g;
+ D d(16, .75);
+ P p(16, .75);
+ int count = 0;
+ int r = 0;
+ for (int i = 0; i < 100; ++i)
+ {
+ D::result_type u = d(g, p);
+ r += u;
+ }
+ assert(int(r/100. + .5) == 12);
+ }
+}
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