diff options
| author | manu <manu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-03-22 23:04:24 +0000 |
|---|---|---|
| committer | manu <manu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-03-22 23:04:24 +0000 |
| commit | 64214dabd303be6b1134238ee99d05be78e83ff8 (patch) | |
| tree | 72ccc17238a98a5218797e0019368cff25e58e57 /gcc/real.h | |
| parent | f2c255d4fa65514614d673a9e440dbe2b92b60b7 (diff) | |
| download | gcc-64214dabd303be6b1134238ee99d05be78e83ff8.tar.gz | |
2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
PR other/23572
* c-lex.c (interpret_float): On overflow, emit pedantic warning if
infinities not supported, otherwise emit warning if -Woverflow. On
underflow, emit warning if -Woverflow.
* real.c (real_from_string): Return -1 if underflow, +1 if overflow
and 0 otherwise.
* real.h (real_from_string): Update declaration
testsuite/
* gcc.dg/float-range-4.c: New.
* gcc.dg/float-range-1.c: Update. Test for a warning.
* gcc.dg/float-range-3.c: New.
* gcc.dg/float-range-5.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123137 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/real.h')
| -rw-r--r-- | gcc/real.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/real.h b/gcc/real.h index fda1095b1bc..eab53d7dadf 100644 --- a/gcc/real.h +++ b/gcc/real.h @@ -224,8 +224,9 @@ extern HOST_WIDE_INT real_to_integer (const REAL_VALUE_TYPE *); extern void real_to_integer2 (HOST_WIDE_INT *, HOST_WIDE_INT *, const REAL_VALUE_TYPE *); -/* Initialize R from a decimal or hexadecimal string. */ -extern void real_from_string (REAL_VALUE_TYPE *, const char *); +/* Initialize R from a decimal or hexadecimal string. Return -1 if + the value underflows, +1 if overflows, and 0 otherwise. */ +extern int real_from_string (REAL_VALUE_TYPE *, const char *); /* Wrapper to allow different internal representation for decimal floats. */ extern void real_from_string3 (REAL_VALUE_TYPE *, const char *, enum machine_mode); |