From c603cd6cef43100aa83a62e15f96fd54c9fb987e Mon Sep 17 00:00:00 2001
From: "Kartik K. Agaram" <vc@akkartik.com>
Date: Fri, 13 Nov 2015 10:08:57 -0800
Subject: 2430 - make room for more transforms

---
 074random.cc | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 074random.cc

(limited to '074random.cc')

diff --git a/074random.cc b/074random.cc
new file mode 100644
index 00000000..69ed8b2c
--- /dev/null
+++ b/074random.cc
@@ -0,0 +1,62 @@
+:(before "End Primitive Recipe Declarations")
+RANDOM,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "random", RANDOM);
+:(before "End Primitive Recipe Checks")
+case RANDOM: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case 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;
+}
+
+:(before "End Primitive Recipe Declarations")
+ROUND,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "round", ROUND);
+:(before "End Primitive Recipe Checks")
+case ROUND: {
+  if (SIZE(inst.ingredients) != 1) {
+    raise_error << maybe(get(Recipe, r).name) << "'round' requires exactly one ingredient, but got " << inst.to_string() << '\n' << end();
+    break;
+  }
+  if (!is_mu_number(inst.ingredients.at(0))) {
+    raise_error << maybe(get(Recipe, r).name) << "first ingredient of 'round' should be a number, but got " << inst.ingredients.at(0).original_string << '\n' << end();
+    break;
+  }
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case ROUND: {
+  products.resize(1);
+  products.at(0).push_back(rint(ingredients.at(0).at(0)));
+  break;
+}
+
+:(scenario round_to_nearest_integer)
+recipe main [
+  1:number <- round 12.2
+]
++mem: storing 12 in location 1
+
+:(before "End Includes")
+#include<math.h>
-- 
cgit 1.4.1-2-gfad0