added one test (2^1024)

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@2052 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/tset_ld.c b/tests/tset_ld.c
index 44fb820d3..a6eeac6fe 100644
--- a/tests/tset_ld.c
+++ b/tests/tset_ld.c
@@ -60,6 +60,7 @@ int
 main (int argc, char *argv[])
 {
   long double d, e;
+  double f;
   mpfr_t x;
   int i;
 
@@ -98,6 +99,12 @@ main (int argc, char *argv[])
   check_set_get (d, x);
   check_set_get (-d, x);
 
+  /* checks 2^1024 */
+  f = 1.3407807929942597100e155; /* 2^512 */
+  d = (long double) f;
+  d = d * d; /* 2^1024 */
+  check_set_get (d, x);
+
   /* checks that 2^i, 2^i+1 and 2^i-1 are correctly converted */
   d = 1.0;
   for (i=1; i<=113; i++)