X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-ldexpl.c;h=5dd9b4a90f6823f85d49bb1e9a42054e643e6643;hb=9723bfe9bb9af8309314ad6230f7661000ba03b1;hp=42faf6071be032dcb44aafc4f51921023a5b38db;hpb=2d4d7d9d00fe33b6f5291e00a30b6c1016775b74;p=gnulib.git

diff --git a/tests/test-ldexpl.c b/tests/test-ldexpl.c
index 42faf6071..5dd9b4a90 100644
--- a/tests/test-ldexpl.c
+++ b/tests/test-ldexpl.c
@@ -1,5 +1,5 @@
 /* Test of multiplying a 'long double' by a power of 2.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,121 +20,40 @@
 
 #include <math.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (ldexpl, long double, (long double, int));
+
 #include <float.h>
-#include <stdio.h>
-#include <stdlib.h>
 
 #include "fpucw.h"
 #include "isnanl-nolibm.h"
+#include "minus-zero.h"
+#include "infinity.h"
 #include "nan.h"
-
-#define ASSERT(expr) \
-  do                                                                         \
-    {                                                                        \
-      if (!(expr))                                                           \
-        {                                                                    \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);                                                   \
-          abort ();                                                          \
-        }                                                                    \
-    }                                                                        \
-  while (0)
-
-/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
-   So we use minus_zero instead.
-   IRIX cc can't put -0.0L into .data, but can compute at runtime.
-   Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
-   platforms, such as when cross-compiling to PowerPC on MacOS X 10.5.  */
-#if defined __hpux || defined __sgi
-static long double
-compute_minus_zero (void)
-{
-  return -LDBL_MIN * LDBL_MIN;
-}
-# define minus_zero compute_minus_zero ()
-#else
-long double minus_zero = -0.0L;
-#endif
+#include "macros.h"
+
+#undef INFINITY
+#undef NAN
+
+#define DOUBLE long double
+#define ISNAN isnanl
+#define INFINITY Infinityl ()
+#define NAN NaNl ()
+#define L_(literal) literal##L
+#define MINUS_ZERO minus_zerol
+#define LDEXP ldexpl
+#define MIN_EXP LDBL_MIN_EXP
+#define MAX_EXP LDBL_MAX_EXP
+#include "test-ldexp.h"
 
 int
 main ()
 {
-  int i;
-  long double x;
-  long double y;
   DECL_LONG_DOUBLE_ROUNDING
 
   BEGIN_LONG_DOUBLE_ROUNDING ();
 
-  { /* NaN.  */
-    x = NaNl ();
-    y = ldexpl (x, 0); ASSERT (isnanl (y));
-    y = ldexpl (x, 5); ASSERT (isnanl (y));
-    y = ldexpl (x, -5); ASSERT (isnanl (y));
-  }
-
-  { /* Positive infinity.  */
-    x = 1.0L / 0.0L;
-    y = ldexpl (x, 0); ASSERT (y == x);
-    y = ldexpl (x, 5); ASSERT (y == x);
-    y = ldexpl (x, -5); ASSERT (y == x);
-  }
-
-  { /* Negative infinity.  */
-    x = -1.0L / 0.0L;
-    y = ldexpl (x, 0); ASSERT (y == x);
-    y = ldexpl (x, 5); ASSERT (y == x);
-    y = ldexpl (x, -5); ASSERT (y == x);
-  }
-
-  { /* Positive zero.  */
-    x = 0.0L;
-    y = ldexpl (x, 0); ASSERT (y == x); ASSERT (!signbit (x));
-    y = ldexpl (x, 5); ASSERT (y == x); ASSERT (!signbit (x));
-    y = ldexpl (x, -5); ASSERT (y == x); ASSERT (!signbit (x));
-  }
-
-  { /* Negative zero.  */
-    x = minus_zero;
-    y = ldexpl (x, 0); ASSERT (y == x); ASSERT (signbit (x));
-    y = ldexpl (x, 5); ASSERT (y == x); ASSERT (signbit (x));
-    y = ldexpl (x, -5); ASSERT (y == x); ASSERT (signbit (x));
-  }
-
-  { /* Positive finite number.  */
-    x = 1.73205L;
-    y = ldexpl (x, 0); ASSERT (y == x);
-    y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
-    y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
-  }
-
-  { /* Negative finite number.  */
-    x = -20.085536923187667742L;
-    y = ldexpl (x, 0); ASSERT (y == x);
-    y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
-    y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
-  }
-
-  for (i = 1, x = 1.73205L; i <= LDBL_MAX_EXP; i++, x *= 2.0L)
-    {
-      y = ldexpl (x, 0); ASSERT (y == x);
-      y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
-      y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
-    }
-  for (i = 1, x = 1.73205L; i >= LDBL_MIN_EXP; i--, x *= 0.5L)
-    {
-      y = ldexpl (x, 0); ASSERT (y == x);
-      y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
-      if (i - 5 >= LDBL_MIN_EXP)
-        {
-          y = ldexpl (x, -5); ASSERT (y == x * 0.03125L);
-        }
-    }
-  for (; i >= LDBL_MIN_EXP - 100 && x > 0.0L; i--, x *= 0.5L)
-    {
-      y = ldexpl (x, 0); ASSERT (y == x);
-      y = ldexpl (x, 5); ASSERT (y == x * 32.0L);
-    }
+  test_function ();
 
   return 0;
 }