inf-1.c: New test.

	* gcc.dg/dfp/inf-1.c: New test.

Co-Authored-By: Ben Elliston <bje@au.ibm.com>

From-SVN: r109611

gcc/testsuite/ChangeLog

+2006-01-12  Yao Qi  <qiyaoltc@cn.ibm.com>
+	    Ben Elliston  <bje@au.ibm.com>
+
+	* gcc.dg/dfp/inf-1.c: New test.
+
 2006-01-12  Janis Johnson <janis187@us.ibm.com>
 	    Yao Qi  <qiyaoltc@cn.ibm.com>
 	    Ben Elliston  <bje@au.ibm.com>

gcc/testsuite/gcc.dg/dfp/inf-1.c

+/* { dg-do run } */
+/* { dg-options "-std=gnu99" } */
+
+/* N1150 4: Characteristics of decimal floating types (not explicit)
+   C99 5.2.4.2.2: Characteristics of floating types.
+   A few simple checks on arithmetic operations. */
+
+extern void abort (void);
+
+int main()
+{
+  /* Assumes rounding mode. */
+  if (9999999.E90DF + 1.E90df != __builtin_infd32 ())
+    abort ();
+
+  if (!__builtin_isinfd32 (9999999.E90DF + 1.E90df))
+    abort ();
+
+  if (9.999999999999999E384dd + .000000000000001e384dd 
+      != __builtin_infd32 ())
+    abort ();
+
+  if (-9999999.E90DF - 1.E90df != -__builtin_infd32 ())
+    abort ();
+
+  if (!__builtin_isinfd32 (9.999999999999999E384dd + .000000000000001e384dd))
+    abort ();
+
+  if (7.999999999999999999999999999999999E6144dl + 3.0E6144dl
+      != __builtin_infd32 ())
+    abort ();
+
+  if (__builtin_infd32 () * __builtin_infd32 () != __builtin_infd32 ())
+    abort ();
+
+  if (__builtin_infd32 () * 2 != __builtin_infd32 ())
+    abort ();
+
+  if (__builtin_infd64 () * -5 != -__builtin_infd32 ())
+    abort ();
+
+  if (!__builtin_isinfd128 (__builtin_infd32 () / 4))
+    abort ();
+
+  if (__builtin_infd64 () != __builtin_infd128 ())
+    abort ();
+
+  if (!__builtin_isinfd64 (__builtin_infd128 ()))
+    abort ();
+
+  if (__builtin_finited64 (__builtin_infd32 () * 4))
+    abort ();
+
+  if (!__builtin_finited128 (9.999999E90DL - 1.E90dd))
+    abort ();
+
+  if (__builtin_finited128 (__builtin_infd32 () *__builtin_infd128 ()))
+    abort ();
+
+  if (__builtin_finited32 (__builtin_nand32 ("")))
+    abort ();
+    
+  return 0;
+}