Added max and min macros to builtin_comparison module.

lib/std/core/builtin_comparison.c3

@@ -74,3 +74,36 @@ macro bool equals(a, b) @builtin
 		return a == b;
 	$endif;
 }
+
+macro min(x, ...) @builtin
+{
+    $if ($vacount == 1):
+        return less(x, $vaarg(0)) ? x : $vaarg(0);
+    $else:
+        $typeof(x) result = x;
+        $for (var $i = 0; $i < $vacount; $i++):
+            if (less($vaarg($i), result))
+            {
+                 result = $vaarg($i);
+            }
+        $endfor;
+        return result;
+    $endif;
+}
+
+macro max(x, ...) @builtin
+{
+    $if ($vacount == 1):
+        return greater(x, $vaarg(0)) ? x : $vaarg(0);
+    $else:
+        $typeof(x) result = x;
+        $for (var $i = 0; $i < $vacount; $i++):
+            if (greater($vaarg($i), result))
+            {
+                 result = $vaarg($i);
+            }
+        $endfor;
+        return result;
+    $endif;
+}
+

lib/std/math.c3

@@ -71,17 +71,6 @@ const QUAD_EPSILON = 1.92592994438723585305597794258492732e-34;
 define Complex32 = Complex<float>;
 define Complex64 = Complex<double>;
 
-macro max(x, y) @builtin
-{
-    return x > y ? x : y;
-}
-
-macro min(x, y) @builtin
-{
-    return x < y ? x : y;
-}
-
-
 fn double log10(double x) @inline
 {
     return $$log10(x);

test/test_suite/stdlib/minmax.c3

@@ -0,0 +1,9 @@
+import std::io;
+
+fn void main()
+{
+    io::printfln("min(-1, 1) == %s", min(-1, 1));
+    io::printfln("max(-1, 1) == %s", max(-1, 1));
+    io::printfln("min(-1, 0, 1) == %s", min(-1, 0, 1));
+    io::printfln("max(-1, 0, 1) == %s", max(-1, 0, 1));
+}

test/test_suite2/stdlib/minmax.c3

@@ -0,0 +1,9 @@
+import std::io;
+
+fn void main()
+{
+    io::printfln("min(-1, 1) == %s", min(-1, 1));
+    io::printfln("max(-1, 1) == %s", max(-1, 1));
+    io::printfln("min(-1, 0, 1) == %s", min(-1, 0, 1));
+    io::printfln("max(-1, 0, 1) == %s", max(-1, 0, 1));
+}