From 0e10313d64f54dd587ebbcd5f413bd999333c911 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Sun, 24 Nov 2024 16:13:23 -0500
Subject: Switch `NaN` to be identical to the null value

---
 test/minmax.tm |  2 +-
 test/nums.tm   | 42 +++++++++++++++++++++++++++++++-----------
 2 files changed, 32 insertions(+), 12 deletions(-)

(limited to 'test')

diff --git a/test/minmax.tm b/test/minmax.tm
index a5dd984e..3d11f8e5 100644
--- a/test/minmax.tm
+++ b/test/minmax.tm
@@ -1,7 +1,7 @@
 
 struct Foo(x:Int, y:Int):
 	func len(f:Foo->Num):
-		return Num.sqrt(f.x*f.x + f.y*f.y)
+		return Num.sqrt(f.x*f.x + f.y*f.y)!
 
 func main():
 	>> 3 _min_ 5
diff --git a/test/nums.tm b/test/nums.tm
index 1391a129..4e6d34a9 100644
--- a/test/nums.tm
+++ b/test/nums.tm
@@ -22,27 +22,47 @@ func main():
 	>> Num.INF:isinf()
 	= yes
 
-	>> Num.nan()
-	= nan
-	>> nan := Num.nan()
-	>> nan:isnan()
-	= yes
+	>> Num.NAN
+	= NULL : Num?
+	>> nan := Num.NAN
+	= NULL : Num?
 	>> nan == nan
+	= yes
+	>> nan < nan
 	= no
-
-	>> Num.PI:cos():near(-1)
+	>> nan > nan
+	= no
+	>> nan != nan
+	= no
+	>> nan <> nan
+	= 0
+	>> nan == 0.0
+	= no
+	>> nan < 0.0
 	= yes
-	>> Num.PI:sin():near(0)
+	>> nan > 0.0
+	= no
+	>> nan != 0.0
 	= yes
+	>> nan <> 0.0
+	= -1
 
-	>> Num.nan():near(Num.nan())
-	= no
+	>> nan + 1
+	= NULL : Num?
+
+	>> 0./0.
+	= NULL : Num?
+
+	>> Num.PI:cos()!:near(-1)
+	= yes
+	>> Num.PI:sin()!:near(0)
+	= yes
 
 	>> Num.INF:near(-Num.INF)
 	= no
 
 	>> Num32.sqrt(16)
-	= 4 : Num32
+	= 4 : Num32?
 
 	>> 0.25:mix(10, 20)
 	= 12.5
-- 
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