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Avoid unnecessary C++11 dependency

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This commit is contained in:
Christoph Hertzberg 2018-06-07 15:03:50 +02:00
parent b3fd93207b
commit e5f9f4768f
1 changed files with 6 additions and 6 deletions
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12
Eigen/src/Core/MathFunctions.h
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@ -1282,17 +1282,17 @@ double exp(const double &x) { return ::exp(x); }
template<> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE template<> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE
std::complex<float> exp(const std::complex<float>& x) { std::complex<float> exp(const std::complex<float>& x) {
auto com = ::expf(x.real()); float com = ::expf(x.real());
auto res_real = com * ::cosf(x.imag()); float res_real = com * ::cosf(x.imag());
auto res_imag = com * ::sinf(x.imag()); float res_imag = com * ::sinf(x.imag());
return std::complex<float>(res_real, res_imag); return std::complex<float>(res_real, res_imag);
} }
template<> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE template<> EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE
std::complex<double> exp(const std::complex<double>& x) { std::complex<double> exp(const std::complex<double>& x) {
auto com = ::exp(x.real()); double com = ::exp(x.real());
auto res_real = com * ::cos(x.imag()); double res_real = com * ::cos(x.imag());
auto res_imag = com * ::sin(x.imag()); double res_imag = com * ::sin(x.imag());
return std::complex<double>(res_real, res_imag); return std::complex<double>(res_real, res_imag);
} }
#endif #endif