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Add Bessel functions to SpecialFunctions.

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- Split SpecialFunctions files in to a separate BesselFunctions file.

In particular add:
    - Modified bessel functions of the second kind k0, k1, k0e, k1e
    - Bessel functions of the first kind j0, j1
    - Bessel functions of the second kind y0, y1
This commit is contained in:
Srinivas Vasudevan
2019-09-14 12:16:47 -04:00
parent facdec5aa7
commit 6e215cf109
23 changed files with 3427 additions and 548 deletions
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3
Eigen/src/Core/GenericPacketMath.h
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@@ -84,8 +84,7 @@ struct default_packet_traits
HasErf = 0,
HasErfc = 0,
HasNdtri = 0,
HasI0e = 0,
HasI1e = 0,
HasBessel = 0,
HasIGamma = 0,
HasIGammaDerA = 0,
HasGammaSampleDerAlpha = 0,

3
Eigen/src/Core/arch/AVX/PacketMath.h
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@@ -73,8 +73,7 @@ template<> struct packet_traits<float> : default_packet_traits
HasExpm1 = 1,
HasExp = 1,
HasNdtri = 1,
HasI0e = 1,
HasI1e = 1,
HasBessel = 1,
HasSqrt = 1,
HasRsqrt = 1,
HasTanh = EIGEN_FAST_MATH,

3
Eigen/src/Core/arch/AVX512/PacketMath.h
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@@ -99,8 +99,7 @@ template<> struct packet_traits<float> : default_packet_traits
HasExpm1 = 1,
HasNdtri = 1,
#endif
HasI0e = 1,
HasI1e = 1,
HasBessel = 1,
HasExp = 1,
HasSqrt = EIGEN_FAST_MATH,
HasRsqrt = EIGEN_FAST_MATH,

6
Eigen/src/Core/arch/GPU/PacketMath.h
View File

@@ -45,8 +45,7 @@ template<> struct packet_traits<float> : default_packet_traits
HasErf = 1,
HasErfc = 1,
HasNdtri = 1,
HasI0e = 1,
HasI1e = 1,
HasBessel = 1,
HasIGamma = 1,
HasIGammaDerA = 1,
HasGammaSampleDerAlpha = 1,
@@ -80,8 +79,7 @@ template<> struct packet_traits<double> : default_packet_traits
HasErf = 1,
HasErfc = 1,
HasNdtri = 1,
HasI0e = 1,
HasI1e = 1,
HasBessel = 1,
HasIGamma = 1,
HasIGammaDerA = 1,
HasGammaSampleDerAlpha = 1,

3
Eigen/src/Core/arch/SSE/PacketMath.h
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@@ -114,8 +114,7 @@ template<> struct packet_traits<float> : default_packet_traits
HasExpm1 = 1,
HasNdtri = 1,
HasExp = 1,
HasI0e = 1,
HasI1e = 1,
HasBessel = 1,
HasSqrt = 1,
HasRsqrt = 1,
HasTanh = EIGEN_FAST_MATH,

17
Eigen/src/Core/util/ForwardDeclarations.h
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@@ -215,13 +215,26 @@ template<typename Scalar> struct scalar_digamma_op;
template<typename Scalar> struct scalar_erf_op;
template<typename Scalar> struct scalar_erfc_op;
template<typename Scalar> struct scalar_ndtri_op;
template<typename Scalar> struct scalar_i0e_op;
template<typename Scalar> struct scalar_i1e_op;
template<typename Scalar> struct scalar_igamma_op;
template<typename Scalar> struct scalar_igammac_op;
template<typename Scalar> struct scalar_zeta_op;
template<typename Scalar> struct scalar_betainc_op;
// Bessel functions in SpecialFunctions module
template<typename Scalar> struct scalar_bessel_i0_op;
template<typename Scalar> struct scalar_bessel_i0e_op;
template<typename Scalar> struct scalar_bessel_i1_op;
template<typename Scalar> struct scalar_bessel_i1e_op;
template<typename Scalar> struct scalar_bessel_j0_op;
template<typename Scalar> struct scalar_bessel_y0_op;
template<typename Scalar> struct scalar_bessel_j1_op;
template<typename Scalar> struct scalar_bessel_y1_op;
template<typename Scalar> struct scalar_bessel_k0_op;
template<typename Scalar> struct scalar_bessel_k0e_op;
template<typename Scalar> struct scalar_bessel_k1_op;
template<typename Scalar> struct scalar_bessel_k1e_op;
} // end namespace internal
struct IOFormat;