diff lphobos/typeinfo1/ti_float.d @ 58:2c3cd3596187 trunk

[svn r62] Added support for TypeInfo _Array, _Function, _Pointer, _Delegate, _Enum Added initial support for CatExp aka 'a ~ b' Fixed global constant static arrays initialized with string literals Fixed casting any dynamic array to void* Fixed new expression with temporary storage Fixed alias declarations in function scope Fixed relational comparisons of pointers
author lindquist
date Thu, 25 Oct 2007 09:02:55 +0200
parents lphobos/typeinfo/ti_float.d@06ccc817acd4
children 373489eeaf90
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lphobos/typeinfo1/ti_float.d	Thu Oct 25 09:02:55 2007 +0200
@@ -0,0 +1,70 @@
+
+// float
+
+module typeinfo1.ti_float;
+
+class TypeInfo_f : TypeInfo
+{
+    char[] toString() { return "float"; }
+
+    hash_t getHash(void *p)
+    {
+	return *cast(uint *)p;
+    }
+
+    static bool _isnan(float f)
+    {
+	return f !<>= 0;
+    }
+
+    static int _equals(float f1, float f2)
+    {
+	return f1 == f2 ||
+		(_isnan(f1) && _isnan(f2));
+    }
+
+    static int _compare(float d1, float d2)
+    {
+	if (d1 !<>= d2)		// if either are NaN
+	{
+	    if (_isnan(d1))
+	    {	if (_isnan(d2))
+		    return 0;
+		return -1;
+	    }
+	    return 1;
+	}
+	return (d1 == d2) ? 0 : ((d1 < d2) ? -1 : 1);
+    }
+
+    int equals(void *p1, void *p2)
+    {
+	return _equals(*cast(float *)p1, *cast(float *)p2);
+    }
+
+    int compare(void *p1, void *p2)
+    {
+	return _compare(*cast(float *)p1, *cast(float *)p2);
+    }
+
+    size_t tsize()
+    {
+	return float.sizeof;
+    }
+
+    void swap(void *p1, void *p2)
+    {
+	float t;
+
+	t = *cast(float *)p1;
+	*cast(float *)p1 = *cast(float *)p2;
+	*cast(float *)p2 = t;
+    }
+
+    void[] init()
+    {	static float r;
+
+	return (&r)[0 .. 1];
+    }
+}
+