Work around bug of HP-UX 10.20 cc with -0.0 literal.

[gnulib.git] / tests / test-vasnprintf-posix.c

diff --git a/tests/test-vasnprintf-posix.c b/tests/test-vasnprintf-posix.c
index 895c807..42d9267 100644 (file)
--- a/tests/test-vasnprintf-posix.c
+++ b/tests/test-vasnprintf-posix.c
@@ -48,10 +48,18 @@ static int
 have_minus_zero ()
 {
   static double plus_zero = 0.0;
-  static double minus_zero = -0.0;
+  double minus_zero = - plus_zero;
   return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
 }
 
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
+   So we use -zero instead.  */
+double zerod = 0.0;
+
+/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0L.
+   So we use -zero instead.  */
+long double zerol = 0.0L;
+
 /* Representation of an 80-bit 'long double' as an initializer for a sequence
    of 'unsigned int' words.  */
 #ifdef WORDS_BIGENDIAN
@@ -217,7 +225,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%a %d", -0.0, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%a %d", -zerod, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0x0p+0 33") == 0);
@@ -531,7 +539,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%La %d", -0.0L, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%La %d", -zerol, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0x0p+0 33") == 0);
@@ -1044,7 +1052,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%f %d", -0.0, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%f %d", -zerod, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000 33") == 0);
@@ -1343,7 +1351,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%Lf %d", -0.0L, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%Lf %d", -zerol, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000 33") == 0);
@@ -1654,7 +1662,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%F %d", -0.0, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%F %d", -zerod, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000 33") == 0);
@@ -1790,7 +1798,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%LF %d", -0.0L, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%LF %d", -zerol, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000 33") == 0);
@@ -2031,7 +2039,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%e %d", -0.0, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%e %d", -zerod, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000e+00 33") == 0
@@ -2352,7 +2360,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%Le %d", -0.0L, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%Le %d", -zerol, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
@@ -2774,7 +2782,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%g %d", -0.0, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%g %d", -zerod, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0 33") == 0);
@@ -3085,7 +3093,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* Negative zero.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%Lg %d", -0.0L, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%Lg %d", -zerol, 33, 44, 55);
     ASSERT (result != NULL);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0 33") == 0);