1 files changed, 131 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/builtin-math-1.c b/gcc/testsuite/gcc.dg/torture/builtin-math-1.c
new file mode 100644
index 00000000000..47b91d7e25d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/builtin-math-1.c
@@ -0,0 +1,131 @@
+/* Copyright (C) 2002, 2003  Free Software Foundation.
+
+   Verify that built-in math function constant folding of constant
+   arguments is correctly performed by the compiler.
+
+   Written by Roger Sayle, 16th August 2002.  */
+
+/* { dg-do link } */
+
+/* All references to link_error should go away at compile-time.  */
+extern void link_error(void);
+
+void test (float f, double d, long double ld)
+{
+  if (sqrt (0.0) != 0.0)
+    link_error ();
+
+  if (sqrt (1.0) != 1.0)
+    link_error ();
+
+  if (exp (0.0) != 1.0)
+    link_error ();
+
+  if (exp (1.0) <= 2.71 || exp (1.0) >= 2.72)
+    link_error ();
+
+  if (log (1.0) != 0.0)
+    link_error ();
+
+  if (sin (0.0) != 0.0)
+    link_error ();
+
+  if (cos (0.0) != 1.0)
+    link_error ();
+
+  if (tan (0.0) != 0.0)
+    link_error ();
+
+  if (atan (0.0) != 0.0)
+    link_error ();
+
+  if (4.0*atan (1.0) <= 3.14 || 4.0*atan (1.0) >= 3.15)
+    link_error ();
+
+  if (pow (d, 0.0) != 1.0)
+    link_error ();
+
+  if (pow (1.0, d) != 1.0)
+    link_error ();
+
+
+  if (sqrtf (0.0F) != 0.0F)
+    link_error ();
+
+  if (sqrtf (1.0F) != 1.0F)
+    link_error ();
+
+  if (expf (0.0F) != 1.0F)
+    link_error ();
+
+  if (expf (1.0F) <= 2.71F || expf (1.0F) >= 2.72F)
+    link_error ();
+
+  if (logf (1.0F) != 0.0F)
+    link_error ();
+
+  if (sinf (0.0F) != 0.0F)
+    link_error ();
+
+  if (cosf (0.0F) != 1.0F)
+    link_error ();
+
+  if (tanf (0.0F) != 0.0F)
+    link_error ();
+
+  if (atanf (0.0F) != 0.0F)
+    link_error ();
+
+  if (4.0F*atanf (1.0F) <= 3.14F || 4.0F*atanf (1.0F) >= 3.15F)
+    link_error ();
+
+  if (powf (f, 0.0F) != 1.0F)
+    link_error ();
+
+  if (powf (1.0F, f) != 1.0F)
+    link_error ();
+
+
+  if (sqrtl (0.0L) != 0.0L)
+    link_error ();
+
+  if (sqrtl (1.0L) != 1.0L)
+    link_error ();
+
+  if (expl (0.0L) != 1.0L)
+    link_error ();
+
+  if (expl (1.0L) <= 2.71L || expl (1.0L) >= 2.72L)
+    link_error ();
+
+  if (logl (1.0L) != 0.0L)
+    link_error ();
+
+  if (sinl (0.0L) != 0.0L)
+    link_error ();
+
+  if (cosl (0.0L) != 1.0L)
+    link_error ();
+
+  if (tanl (0.0L) != 0.0L)
+    link_error ();
+
+  if (atanl (0.0) != 0.0L)
+    link_error ();
+
+  if (4.0L*atanl (1.0L) <= 3.14L || 4.0L*atanl (1.0L) >= 3.15L)
+    link_error ();
+
+  if (powl (ld, 0.0L) != 1.0L)
+    link_error ();
+
+  if (powl (1.0L, ld) != 1.0L)
+    link_error ();
+}
+
+int main()
+{
+  test (3.0, 3.0F, 3.0L);
+
+  return 0;
+}