X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-frexpl.c;h=f98bf513139c348d1f8f98eac58b4d97c16979e4;hb=1b71c50d5a227649f1bcc11cf79e2be7ef68fff8;hp=08042be4a17415b5117cb928f39227b57c59a274;hpb=33b602c44df79204ad59f2a3f160e5aae374a971;p=gnulib.git

diff --git a/tests/test-frexpl.c b/tests/test-frexpl.c
index 08042be4a..f98bf5131 100644
--- a/tests/test-frexpl.c
+++ b/tests/test-frexpl.c
@@ -57,6 +57,10 @@
 # define MIN_NORMAL_EXP LDBL_MIN_EXP
 #endif
 
+/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
+   So we use minus_zero instead.  */
+long double minus_zero = -LDBL_MIN * LDBL_MIN;
+
 static long double
 my_ldexp (long double x, int d)
 {
@@ -113,7 +117,7 @@ main ()
   { /* Negative zero.  */
     int exp = -9999;
     long double mantissa;
-    x = -0.0L;
+    x = minus_zero;
     mantissa = frexpl (x, &exp);
     ASSERT (exp == 0);
     ASSERT (mantissa == x);