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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/float-range-3.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
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.c | 43 |
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; +} |