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FixedPointsArduino
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Add workaround for gcc bug 58541 (#9)

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The bug in question causes a "redeclaration differs in constexpr" error, despite the standard not requiring this.
This bug is fixed in newer versions of gcc.
More information can be found [here](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58541).
pull/10/merge
Pharap 7 years ago committed by GitHub
parent feb58a200d
commit 952a8594d5
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 66 deletions
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  1. 43
      src/FixedPoints/SFixed.h
  2. 43
      src/FixedPoints/UFixed.h

43
src/FixedPoints/SFixed.h
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@ -89,42 +89,17 @@ public:
SFixed & operator /=(const SFixed & other); SFixed & operator /=(const SFixed & other);
public: public:
const static SFixed Epsilon; constexpr const static SFixed Epsilon = SFixed::fromInternal(1);
const static SFixed MinValue; constexpr const static SFixed MinValue = SFixed::fromInternal(FIXED_POINTS_DETAILS::MsbMask<InternalSize>::Value);
const static SFixed MaxValue; constexpr const static SFixed MaxValue = SFixed::fromInternal(~FIXED_POINTS_DETAILS::MsbMask<InternalSize>::Value);
const static SFixed Pi; // 40 digits is probably enough for these
const static SFixed E; constexpr const static SFixed Pi = 3.1415926535897932384626433832795028841971;
const static SFixed Phi; constexpr const static SFixed E = 2.718281828459045235360287471352662497757;
const static SFixed Tau; constexpr const static SFixed Phi = 1.6180339887498948482045868343656381177203;
constexpr const static SFixed Tau = 6.2831853071795864769252867665590057683943;
}; };
//
// Variables
//
template< unsigned Integer, unsigned Fraction >
constexpr const SFixed<Integer, Fraction> SFixed<Integer, Fraction>::Epsilon = SFixed<Integer, Fraction>::fromInternal(1);
template< unsigned Integer, unsigned Fraction >
constexpr const SFixed<Integer, Fraction> SFixed<Integer, Fraction>::MinValue = SFixed::fromInternal(FIXED_POINTS_DETAILS::MsbMask<InternalSize>::Value);
template< unsigned Integer, unsigned Fraction >
constexpr const SFixed<Integer, Fraction> SFixed<Integer, Fraction>::MaxValue = SFixed::fromInternal(~FIXED_POINTS_DETAILS::MsbMask<InternalSize>::Value);
// 40 digits is probably enough for these
template< unsigned Integer, unsigned Fraction >
constexpr const SFixed<Integer, Fraction> SFixed<Integer, Fraction>::Pi = 3.1415926535897932384626433832795028841971;
template< unsigned Integer, unsigned Fraction >
constexpr const SFixed<Integer, Fraction> SFixed<Integer, Fraction>::E = 2.718281828459045235360287471352662497757;
template< unsigned Integer, unsigned Fraction >
constexpr const SFixed<Integer, Fraction> SFixed<Integer, Fraction>::Phi = 1.6180339887498948482045868343656381177203;
template< unsigned Integer, unsigned Fraction >
constexpr const SFixed<Integer, Fraction> SFixed<Integer, Fraction>::Tau = 6.2831853071795864769252867665590057683943;
// //
// Free functions // Free functions

43
src/FixedPoints/UFixed.h
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@ -88,42 +88,17 @@ public:
UFixed & operator /=(const UFixed & other); UFixed & operator /=(const UFixed & other);
public: public:
const static UFixed Epsilon; constexpr const static UFixed Epsilon = UFixed::fromInternal(1);
const static UFixed MinValue; constexpr const static UFixed MinValue = UFixed::fromInternal(0);
const static UFixed MaxValue; constexpr const static UFixed MaxValue = UFixed::fromInternal(~0);
const static UFixed Pi; // 40 digits is probably enough for these
const static UFixed E; constexpr const static UFixed Pi = 3.1415926535897932384626433832795028841971;
const static UFixed Phi; constexpr const static UFixed E = 2.718281828459045235360287471352662497757;
const static UFixed Tau; constexpr const static UFixed Phi = 1.6180339887498948482045868343656381177203;
constexpr const static UFixed Tau = 6.2831853071795864769252867665590057683943;
}; };
//
// Variables
//
template< unsigned Integer, unsigned Fraction >
constexpr const UFixed<Integer, Fraction> UFixed<Integer, Fraction>::Epsilon = UFixed<Integer, Fraction>::fromInternal(1);
template< unsigned Integer, unsigned Fraction >
constexpr const UFixed<Integer, Fraction> UFixed<Integer, Fraction>::MinValue = UFixed::fromInternal(0);
template< unsigned Integer, unsigned Fraction >
constexpr const UFixed<Integer, Fraction> UFixed<Integer, Fraction>::MaxValue = UFixed::fromInternal(~0);
// 40 digits is probably enough for these
template< unsigned Integer, unsigned Fraction >
constexpr const UFixed<Integer, Fraction> UFixed<Integer, Fraction>::Pi = 3.1415926535897932384626433832795028841971;
template< unsigned Integer, unsigned Fraction >
constexpr const UFixed<Integer, Fraction> UFixed<Integer, Fraction>::E = 2.718281828459045235360287471352662497757;
template< unsigned Integer, unsigned Fraction >
constexpr const UFixed<Integer, Fraction> UFixed<Integer, Fraction>::Phi = 1.6180339887498948482045868343656381177203;
template< unsigned Integer, unsigned Fraction >
constexpr const UFixed<Integer, Fraction> UFixed<Integer, Fraction>::Tau = 6.2831853071795864769252867665590057683943;
// //
// Free functions // Free functions

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