Program for testing IEEE gradual underflow.

git-svn-id: svn://svn.valgrind.org/vex/trunk@560

diff --git a/VEX/useful/gradual_underflow.c b/VEX/useful/gradual_underflow.c
new file mode 100644 (file)
index 0000000..53886d8
--- /dev/null
+++ b/VEX/useful/gradual_underflow.c
@@ -0,0 +1,15 @@
+
+#include <stdio.h>
+
+int main ( void )
+{
+double d =  7.25063790881233303e-303;
+ int i;
+
+ for (i = 0; i < 26; i++) {
+                           printf("%.16e\n", d);
+                           d *= 0.1012198489248992489422;
+ }
+  return 0;
+}
+