nexttoward.
*/
-#ifndef LLVM_FLOAT_H
-#define LLVM_FLOAT_H
+#ifndef LLVM_ADT_APFLOAT_H
+#define LLVM_ADT_APFLOAT_H
// APInt contains static functions implementing bignum arithmetic.
#include "llvm/ADT/APInt.h"
/// getNaN - Factory for QNaN values.
///
- /// \param Negative - True if the NaN generated should be negative.
+ /// \param Negative - True iff the NaN generated should be negative.
/// \param type - The unspecified fill bits for creating the NaN, 0 by
/// default. The value is truncated as necessary.
static APFloat getNaN(const fltSemantics &Sem, bool Negative = false,
/// getLargest - Returns the largest finite number in the given
/// semantics.
///
- /// \param Negative - True if the number should be negative
+ /// \param Negative - True iff the number should be negative
static APFloat getLargest(const fltSemantics &Sem, bool Negative = false);
/// getSmallest - Returns the smallest (by magnitude) finite number
/// in the given semantics. Might be denormalized, which implies a
/// relative loss of precision.
///
- /// \param Negative - True if the number should be negative
+ /// \param Negative - True iff the number should be negative
static APFloat getSmallest(const fltSemantics &Sem, bool Negative = false);
/// getSmallestNormalized - Returns the smallest (by magnitude)
/// normalized finite number in the given semantics.
///
- /// \param Negative - True if the number should be negative
+ /// \param Negative - True iff the number should be negative
static APFloat getSmallestNormalized(const fltSemantics &Sem,
bool Negative = false);
bool isNegative() const { return sign; }
bool isPosZero() const { return isZero() && !isNegative(); }
bool isNegZero() const { return isZero() && isNegative(); }
+ bool isDenormal() const;
APFloat& operator=(const APFloat &);
/* The sign bit of this number. */
unsigned int sign: 1;
-
- /* For PPCDoubleDouble, we have a second exponent and sign (the second
- significand is appended to the first one, although it would be wrong to
- regard these as a single number for arithmetic purposes). These fields
- are not meaningful for any other type. */
- exponent_t exponent2 : 11;
- unsigned int sign2: 1;
};
+
+ // See friend declaration above. This additional declaration is required in
+ // order to compile LLVM with IBM xlC compiler.
+ hash_code hash_value(const APFloat &Arg);
} /* namespace llvm */
-#endif /* LLVM_FLOAT_H */
+#endif /* LLVM_ADT_APFLOAT_H */