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Fix warning due to missing cast for exponent arguments for std::frexp and std::lexp.

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Rasmus Munk Larsen 2019-11-26 16:18:29 -08:00
parent 2df57be856
commit 5a3ebda36b
1 changed files with 9 additions and 4 deletions
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13
Eigen/src/Core/GenericPacketMath.h
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@ -244,14 +244,19 @@ pshiftleft(const long int& a) { return a << N; }
/** \internal \returns the significant and exponent of the underlying floating point numbers /** \internal \returns the significant and exponent of the underlying floating point numbers
* See https://en.cppreference.com/w/cpp/numeric/math/frexp * See https://en.cppreference.com/w/cpp/numeric/math/frexp
*/ */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet template <typename Packet>
pfrexp(const Packet &a, Packet &exponent) { return std::frexp(a,&exponent); } EIGEN_DEVICE_FUNC inline Packet pfrexp(const Packet& a, Packet& exponent) {
int exp;
Packet result = std::frexp(a, &exp);
exponent = static_cast<Packet>(exp);
return result;
}
/** \internal \returns a * 2^exponent /** \internal \returns a * 2^exponent
* See https://en.cppreference.com/w/cpp/numeric/math/ldexp * See https://en.cppreference.com/w/cpp/numeric/math/ldexp
*/ */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
pldexp(const Packet &a, const Packet &exponent) { return std::ldexp(a,exponent); } pldexp(const Packet &a, const Packet &exponent) { return std::ldexp(a, static_cast<int>(exponent)); }
/** \internal \returns zeros */ /** \internal \returns zeros */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
@ -259,7 +264,7 @@ pzero(const Packet& a) { return pxor(a,a); }
template<> EIGEN_DEVICE_FUNC inline float pzero<float>(const float& a) { template<> EIGEN_DEVICE_FUNC inline float pzero<float>(const float& a) {
EIGEN_UNUSED_VARIABLE(a); EIGEN_UNUSED_VARIABLE(a);
return 0.; return 0.f;
} }
template<> EIGEN_DEVICE_FUNC inline double pzero<double>(const double& a) { template<> EIGEN_DEVICE_FUNC inline double pzero<double>(const double& a) {