Import libffi from PyObjC 1.3.7.

darcs-hash:129bccb59266f997deac9b0353aea2d2d4049f92

1 files changed, 42 insertions, 0 deletions

diff --git a/libffi/testsuite/libffi.call/float1.c b/libffi/testsuite/libffi.call/float1.c
new file mode 100644
index 0000000..94636a2
--- /dev/null
+++ b/libffi/testsuite/libffi.call/float1.c
@@ -0,0 +1,42 @@
+/* Area:	ffi_call
+   Purpose:	Check return value double.
+   Limitations:	none.
+   PR:		none.
+   Originator:	From the original ffitest.c  */
+
+/* { dg-do run } */
+#include "ffitest.h"
+#include "float.h"
+
+static double dblit(float f)
+{
+  return f/3.0;
+}
+
+int main (void)
+{
+  ffi_cif cif;
+  ffi_type *args[MAX_ARGS];
+  void *values[MAX_ARGS];
+  float f;
+  double d;
+
+
+  args[0] = &ffi_type_float;
+  values[0] = &f;
+  
+  /* Initialize the cif */
+  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, 
+		     &ffi_type_double, args) == FFI_OK);
+  
+  f = 3.14159;
+  
+  ffi_call(&cif, FFI_FN(dblit), &d, values);
+  
+  /* These are not always the same!! Check for a reasonable delta */
+ 
+  CHECK(d - dblit(f) < DBL_EPSILON);
+
+  exit(0);
+
+}