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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/float-range-3.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/float-range-3.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/float-range-3.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/float-range-3.c b/gcc-4.9/gcc/testsuite/gcc.dg/float-range-3.c
new file mode 100644
index 000000000..32bef98df
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/float-range-3.c
@@ -0,0 +1,43 @@
+/* PR 23572 : warnings for out of range floating-point constants. */
+/* { dg-do compile } */
+/* { dg-options "-std=c99" } */
+/* { dg-skip-if "No Inf support" { spu-*-* } } */
+#include <math.h>
+
+#ifndef INFINITY
+#define INFINITY (__builtin_inff ())
+#endif
+
+void overflow(void)
+{
+ float f1 = 3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
+ float f2 = -3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
+ float f3 = INFINITY;
+ float f4 = -INFINITY;
+
+ double d1 = 1.9E+308; /* { dg-warning "floating constant exceeds range" } */
+ double d2 = -1.9E+308; /* { dg-warning "floating constant exceeds range" } */
+ double d3 = INFINITY;
+ double d4 = -INFINITY;
+}
+
+void underflow(void)
+{
+ float f11 = 3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
+ float f22 = -3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
+ float f1 = 3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
+ float f2 = -3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
+ float f3 = 0;
+ float f4 = -0;
+ float f5 = 0.0;
+ float f6 = -0.0;
+
+ double d11 = 3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
+ double d22 = -3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
+ double d1 = 1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
+ double d2 = -1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
+ double d3 = 0;
+ double d4 = -0;
+ double d5 = 0.0;
+ double d6 = -0.0;
+}