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Reorganise constants and type aliases (#53)

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This new arrangement is more logical and reduces the amount of repetition involved in the definitions.
pull/54/head
Pharap 7 years ago committed by GitHub
parent 4d3f82c3ca
commit 64c83ca5ce
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2 changed files with 26 additions and 24 deletions
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  1. 25
      src/FixedPoints/SFixed.h
  2. 25
      src/FixedPoints/UFixed.h

25
src/FixedPoints/SFixed.h
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@ -26,23 +26,24 @@ template< unsigned Integer, unsigned Fraction >
class SFixed
{
public:
static_assert(((Integer + 1) + Fraction) <= FIXED_POINTS_DETAILS::BitSize<intmax_t>::Value, "Platform does not have a native type large enough for SFixed.");
public:
using IntegerType = FIXED_POINTS_DETAILS::LeastInt<Integer + 1>;
using FractionType = FIXED_POINTS_DETAILS::LeastUInt<Fraction>;
using InternalType = FIXED_POINTS_DETAILS::LeastInt<(Integer + 1) + Fraction>;
using ShiftType = FIXED_POINTS_DETAILS::LeastUInt<(Integer + 1) + Fraction>;
using MaskType = FIXED_POINTS_DETAILS::LeastUInt<(Integer + 1) + Fraction>;
constexpr const static uintmax_t IntegerSize = Integer + 1;
constexpr const static uintmax_t FractionSize = Fraction;
constexpr const static uintmax_t LogicalSize = IntegerSize + FractionSize;
constexpr const static uintmax_t InternalSize = FIXED_POINTS_DETAILS::BitSize<InternalType>::Value;
constexpr const static uintmax_t Scale = UINTMAX_C(1) << FractionSize;
public:
static_assert(LogicalSize <= FIXED_POINTS_DETAILS::BitSize<intmax_t>::Value, "Platform does not have a native type large enough for SFixed.");
public:
using IntegerType = FIXED_POINTS_DETAILS::LeastInt<IntegerSize>;
using FractionType = FIXED_POINTS_DETAILS::LeastUInt<FractionSize>;
using InternalType = FIXED_POINTS_DETAILS::LeastInt<LogicalSize>;
constexpr const static uintmax_t InternalSize = FIXED_POINTS_DETAILS::BitSize<InternalType>::Value;
using ShiftType = FIXED_POINTS_DETAILS::LeastUInt<LogicalSize>;
using MaskType = FIXED_POINTS_DETAILS::LeastUInt<LogicalSize>;
public:
constexpr const static ShiftType IntegerShift = FractionSize;
constexpr const static ShiftType FractionShift = 0;

25
src/FixedPoints/UFixed.h
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@ -26,23 +26,24 @@ template< unsigned Integer, unsigned Fraction >
class UFixed
{
public:
static_assert((Integer + Fraction) <= FIXED_POINTS_DETAILS::BitSize<uintmax_t>::Value, "Platform does not have a native type large enough for UFixed.");
public:
using IntegerType = FIXED_POINTS_DETAILS::LeastUInt<Integer>;
using FractionType = FIXED_POINTS_DETAILS::LeastUInt<Fraction>;
using InternalType = FIXED_POINTS_DETAILS::LeastUInt<Integer + Fraction>;
using ShiftType = FIXED_POINTS_DETAILS::LeastUInt<Integer + Fraction>;
using MaskType = FIXED_POINTS_DETAILS::LeastUInt<Integer + Fraction>;
constexpr const static uintmax_t IntegerSize = Integer;
constexpr const static uintmax_t FractionSize = Fraction;
constexpr const static uintmax_t LogicalSize = IntegerSize + FractionSize;
constexpr const static uintmax_t InternalSize = FIXED_POINTS_DETAILS::BitSize<InternalType>::Value;
constexpr const static uintmax_t Scale = UINTMAX_C(1) << FractionSize;
public:
static_assert(LogicalSize <= FIXED_POINTS_DETAILS::BitSize<uintmax_t>::Value, "Platform does not have a native type large enough for UFixed.");
public:
using IntegerType = FIXED_POINTS_DETAILS::LeastUInt<IntegerSize>;
using FractionType = FIXED_POINTS_DETAILS::LeastUInt<FractionSize>;
using InternalType = FIXED_POINTS_DETAILS::LeastUInt<LogicalSize>;
constexpr const static uintmax_t InternalSize = FIXED_POINTS_DETAILS::BitSize<InternalType>::Value;
using ShiftType = FIXED_POINTS_DETAILS::LeastUInt<LogicalSize>;
using MaskType = FIXED_POINTS_DETAILS::LeastUInt<LogicalSize>;
public:
constexpr const static ShiftType IntegerShift = FractionSize;
constexpr const static ShiftType FractionShift = 0;

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