about summary refs log tree commit diff stats
path: root/archive/1.vm/067random.cc
diff options
context:
space:
mode:
Diffstat (limited to 'archive/1.vm/067random.cc')
-rw-r--r--archive/1.vm/067random.cc34
1 files changed, 34 insertions, 0 deletions
diff --git a/archive/1.vm/067random.cc b/archive/1.vm/067random.cc
new file mode 100644
index 00000000..d80adb4d
--- /dev/null
+++ b/archive/1.vm/067random.cc
@@ -0,0 +1,34 @@
+:(before "End Primitive Recipe Declarations")
+REAL_RANDOM,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "real-random", REAL_RANDOM);
+:(before "End Primitive Recipe Checks")
+case REAL_RANDOM: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case REAL_RANDOM: {
+  // todo: limited range of numbers, might be imperfectly random
+  // todo: thread state in extra ingredients and products
+  products.resize(1);
+  products.at(0).push_back(rand());
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+MAKE_RANDOM_NONDETERMINISTIC,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "make-random-nondeterministic", MAKE_RANDOM_NONDETERMINISTIC);
+:(before "End Primitive Recipe Checks")
+case MAKE_RANDOM_NONDETERMINISTIC: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case MAKE_RANDOM_NONDETERMINISTIC: {
+  srand(time(NULL));
+  break;
+}
+
+// undo non-determinism in later tests
+:(before "End Reset")
+srand(0);