diff options
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/real.cc | 16 | ||||
-rw-r--r-- | gcc/real.h | 6 |
2 files changed, 22 insertions, 0 deletions
diff --git a/gcc/real.cc b/gcc/real.cc index dcf41b7..96f05ec 100644 --- a/gcc/real.cc +++ b/gcc/real.cc @@ -1272,6 +1272,22 @@ real_isneg (const REAL_VALUE_TYPE *r) return r->sign; } +/* Determine whether a floating-point value X is plus or minus zero. */ + +bool +real_iszero (const REAL_VALUE_TYPE *r) +{ + return r->cl == rvc_zero; +} + +/* Determine whether a floating-point value X is zero with SIGN. */ + +bool +real_iszero (const REAL_VALUE_TYPE *r, bool sign) +{ + return real_iszero (r) && r->sign == sign; +} + /* Determine whether a floating-point value X is minus zero. */ bool @@ -295,6 +295,12 @@ extern bool real_isneg (const REAL_VALUE_TYPE *); /* Determine whether a floating-point value X is minus zero. */ extern bool real_isnegzero (const REAL_VALUE_TYPE *); +/* Determine whether a floating-point value X is plus or minus zero. */ +extern bool real_iszero (const REAL_VALUE_TYPE *); + +/* Determine whether a floating-point value X is zero with SIGN. */ +extern bool real_iszero (const REAL_VALUE_TYPE *, bool sign); + /* Test relationships between reals. */ extern bool real_identical (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *); extern bool real_equal (const REAL_VALUE_TYPE *, const REAL_VALUE_TYPE *); |