summary refs log tree commit diff
path: root/math/test-misc.c
diff options
context:
space:
mode:
authorChris Metcalf <cmetcalf@tilera.com>2012-05-17 08:49:19 -0400
committerChris Metcalf <cmetcalf@tilera.com>2012-05-17 08:50:41 -0400
commit0af797def371ceb4f05586d7bcd25841653d2082 (patch)
tree3aa5591836c95fba6b694fb45c1421bf0025de91 /math/test-misc.c
parente39745ffa030f685fbba13534a3023d52a27ead8 (diff)
downloadglibc-0af797def371ceb4f05586d7bcd25841653d2082.tar.gz
glibc-0af797def371ceb4f05586d7bcd25841653d2082.tar.xz
glibc-0af797def371ceb4f05586d7bcd25841653d2082.zip
math: support platforms with limited FP rounding or exception support
For some tests, just claim that fetestexcept() always returns true,
so the rest of the test can be compiled.

For libm-test, provide known bogus values for unsupported rounding
modes, so fesetround() will return failure.

Elsewhere, just add some #ifdefs to avoid code that uses particular
FP exceptions if the exceptions aren't supported.
Diffstat (limited to 'math/test-misc.c')
-rw-r--r--math/test-misc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/math/test-misc.c b/math/test-misc.c
index c0fe5f7a18..55da359ce5 100644
--- a/math/test-misc.c
+++ b/math/test-misc.c
@@ -1186,12 +1186,14 @@ main (void)
   (void) &f2;
   feclearexcept (FE_ALL_EXCEPT);
   f2 += f1;
+#if defined(FE_OVERFLOW) && defined(FE_INEXACT)
   int fe = fetestexcept (FE_ALL_EXCEPT);
   if (fe != (FE_OVERFLOW | FE_INEXACT))
     {
       printf ("float overflow test failed: %x\n", fe);
       result = 1;
     }
+#endif
 
   volatile double d1 = DBL_MAX;
   volatile double d2 = DBL_MAX / 2;
@@ -1199,12 +1201,14 @@ main (void)
   (void) &d2;
   feclearexcept (FE_ALL_EXCEPT);
   d2 += d1;
+#if defined(FE_OVERFLOW) && defined(FE_INEXACT)
   fe = fetestexcept (FE_ALL_EXCEPT);
   if (fe != (FE_OVERFLOW | FE_INEXACT))
     {
       printf ("double overflow test failed: %x\n", fe);
       result = 1;
     }
+#endif
 
 #ifndef NO_LONG_DOUBLE
   volatile long double ld1 = LDBL_MAX;
@@ -1213,12 +1217,14 @@ main (void)
   (void) &ld2;
   feclearexcept (FE_ALL_EXCEPT);
   ld2 += ld1;
+# if defined(FE_OVERFLOW) && defined(FE_INEXACT)
   fe = fetestexcept (FE_ALL_EXCEPT);
   if (fe != (FE_OVERFLOW | FE_INEXACT))
     {
       printf ("long double overflow test failed: %x\n", fe);
       result = 1;
     }
+# endif
 #endif
 
 #if !defined NO_LONG_DOUBLE && LDBL_MANT_DIG == 113