From 1852c0548c23974e1d5f34f2e9d49ff63e7bc267 Mon Sep 17 00:00:00 2001
From: Simon Hafner <hafnersimon@gmail.com>
Date: Sat, 8 Sep 2012 15:15:28 -0500
Subject: [PATCH 1/3] hash() for floats

---
 lib/pure/hashes.nim   | 4 ++++
 tests/run/thashes.nim | 7 +++++++
 2 files changed, 11 insertions(+)
 create mode 100644 tests/run/thashes.nim

diff --git a/lib/pure/hashes.nim b/lib/pure/hashes.nim
index 9c086c6757..ac6d3c3ced 100755
--- a/lib/pure/hashes.nim
+++ b/lib/pure/hashes.nim
@@ -122,3 +122,7 @@ proc hash*[T: tuple](x: T): THash =
     result = result !& hash(f)
   result = !$result
 
+proc hash*(x: float): THash {.inline.} =
+  var y = x + 1.0
+  result = cast[ptr THash](addr(y))[]
+
diff --git a/tests/run/thashes.nim b/tests/run/thashes.nim
new file mode 100644
index 0000000000..2b418c4cdc
--- /dev/null
+++ b/tests/run/thashes.nim
@@ -0,0 +1,7 @@
+import unittest
+import hashes
+
+suite "hashes":
+  suite "hashing":
+    test "0.0 and -0.0 should have the same hash value":
+      check hash(0.0) == hash(-0.0)
\ No newline at end of file

From 214b727a7525924f37fc7c917c34beae394f9ef1 Mon Sep 17 00:00:00 2001
From: Simon Hafner <hafnersimon@gmail.com>
Date: Sat, 8 Sep 2012 15:16:56 -0500
Subject: [PATCH 2/3] Issue #197 has been solved

---
 tests/run/tmath.nim | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/tests/run/tmath.nim b/tests/run/tmath.nim
index 65124306eb..a86a3b84ce 100644
--- a/tests/run/tmath.nim
+++ b/tests/run/tmath.nim
@@ -25,14 +25,12 @@ suite "random int":
       check rand >= 100
 
 suite "random float":
-  # Enable this once #197 has been resolved
-  # test "there might be some randomness":
-  #   var set = initSet[float](128)
-  #   for i in 1..10:
-  #     for j in 1..10:
-  #       randomize()
-  #       incl(set, random(1.0))
-  #   check len(set) == 100
+  test "there might be some randomness":
+    var set = initSet[float](128)
+    randomize()
+    for i in 1..100:
+      incl(set, random(1.0))
+    check len(set) == 100
   test "single number bounds work":
     randomize()
     var rand: float

From 664bd55e852f237dec03913accedcc5291863048 Mon Sep 17 00:00:00 2001
From: Simon Hafner <hafnersimon@gmail.com>
Date: Sat, 8 Sep 2012 15:54:00 -0500
Subject: [PATCH 3/3] real test now

---
 tests/run/thashes.nim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/run/thashes.nim b/tests/run/thashes.nim
index 2b418c4cdc..c442b43fba 100644
--- a/tests/run/thashes.nim
+++ b/tests/run/thashes.nim
@@ -4,4 +4,5 @@ import hashes
 suite "hashes":
   suite "hashing":
     test "0.0 and -0.0 should have the same hash value":
-      check hash(0.0) == hash(-0.0)
\ No newline at end of file
+      var dummy = 0.0
+      check hash(dummy) == hash(-dummy)