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support for C++14 constexpr: some classes

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bolero-MURAKAMI 2013-10-30 18:15:57 +09:00
parent 478c476611
commit ff36d79afc
6 changed files with 93 additions and 83 deletions
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34
sprout/rational/rational.hpp
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@ -96,11 +96,15 @@ namespace sprout {
: base_type(n, d, normalize_g(n, d))
{}
rational& operator=(rational const&) = default;
rational& operator=(param_type n) SPROUT_NOEXCEPT {
SPROUT_CXX14_CONSTEXPR rational& operator=(rational const& rhs) SPROUT_NOEXCEPT {
rational temp(rhs);
sprout::swap(temp, *this);
return *this;
}
SPROUT_CXX14_CONSTEXPR rational& operator=(param_type n) SPROUT_NOEXCEPT {
return assign(n, 1);
}
rational& assign(param_type n, param_type d) {
SPROUT_CXX14_CONSTEXPR rational& assign(param_type n, param_type d) {
rational temp(n, d);
sprout::swap(temp, *this);
return *this;
@ -113,7 +117,7 @@ namespace sprout {
return den_;
}
rational& operator+=(rational const& rhs) {
SPROUT_CXX14_CONSTEXPR rational& operator+=(rational const& rhs) {
IntType g = sprout::gcd(den_, rhs.den_);
den_ /= g;
num_ = num_ * (rhs.den_ / g) + rhs.num_ * den_;
@ -122,7 +126,7 @@ namespace sprout {
den_ *= rhs.den_ / g;
return *this;
}
rational& operator-=(rational const& rhs) {
SPROUT_CXX14_CONSTEXPR rational& operator-=(rational const& rhs) {
IntType g = sprout::gcd(den_, rhs.den_);
den_ /= g;
num_ = num_ * (rhs.den_ / g) - rhs.num_ * den_;
@ -131,14 +135,14 @@ namespace sprout {
den_ *= rhs.den_ / g;
return *this;
}
rational& operator*=(rational const& rhs) {
SPROUT_CXX14_CONSTEXPR rational& operator*=(rational const& rhs) {
IntType gcd1 = sprout::gcd(num_, rhs.den_);
IntType gcd2 = sprout::gcd(rhs.num_, den_);
num_ =(num_ / gcd1) * (rhs.num_ / gcd2);
den_ =(den_ / gcd2) * (rhs.den_ / gcd1);
return *this;
}
rational& operator/=(rational const& rhs) {
SPROUT_CXX14_CONSTEXPR rational& operator/=(rational const& rhs) {
if (rhs.num_ == IntType(0)) {
throw sprout::bad_rational();
}
@ -155,33 +159,33 @@ namespace sprout {
}
return *this;
}
rational& operator+=(param_type rhs) {
SPROUT_CXX14_CONSTEXPR rational& operator+=(param_type rhs) {
return *this += rational(rhs);
}
rational& operator-=(param_type rhs) {
SPROUT_CXX14_CONSTEXPR rational& operator-=(param_type rhs) {
return *this -= rational(rhs);
}
rational& operator*=(param_type rhs) {
SPROUT_CXX14_CONSTEXPR rational& operator*=(param_type rhs) {
return *this *= rational(rhs);
}
rational& operator/=(param_type rhs) {
SPROUT_CXX14_CONSTEXPR rational& operator/=(param_type rhs) {
return *this /= rational(rhs);
}
rational& operator++() SPROUT_NOEXCEPT {
SPROUT_CXX14_CONSTEXPR rational& operator++() SPROUT_NOEXCEPT {
num_ += den_;
return *this;
}
rational& operator--() SPROUT_NOEXCEPT {
SPROUT_CXX14_CONSTEXPR rational& operator--() SPROUT_NOEXCEPT {
num_ -= den_;
return *this;
}
rational operator++(int) SPROUT_NOEXCEPT {
SPROUT_CXX14_CONSTEXPR rational operator++(int) SPROUT_NOEXCEPT {
rational result(*this);
++*this;
return result;
}
rational operator--(int) SPROUT_NOEXCEPT {
SPROUT_CXX14_CONSTEXPR rational operator--(int) SPROUT_NOEXCEPT {
rational result(*this);
--*this;
return result;