12 #ifndef EIGEN_MATH_FUNCTIONS_NEON_H 13 #define EIGEN_MATH_FUNCTIONS_NEON_H 40 x = vminq_f32(x, p4f_exp_hi);
41 x = vmaxq_f32(x, p4f_exp_lo);
44 fx = vmlaq_f32(p4f_half, x, p4f_cephes_LOG2EF);
47 tmp = vcvtq_f32_s32(vcvtq_s32_f32(fx));
51 mask = vandq_u32(mask, vreinterpretq_u32_f32(p4f_1));
53 fx = vsubq_f32(tmp, vreinterpretq_f32_u32(mask));
55 tmp = vmulq_f32(fx, p4f_cephes_exp_C1);
56 Packet4f z = vmulq_f32(fx, p4f_cephes_exp_C2);
57 x = vsubq_f32(x, tmp);
60 Packet4f y = vmulq_f32(p4f_cephes_exp_p0, x);
62 y = vaddq_f32(y, p4f_cephes_exp_p1);
64 y = vaddq_f32(y, p4f_cephes_exp_p2);
66 y = vaddq_f32(y, p4f_cephes_exp_p3);
68 y = vaddq_f32(y, p4f_cephes_exp_p4);
70 y = vaddq_f32(y, p4f_cephes_exp_p5);
74 y = vaddq_f32(y, p4f_1);
78 mm = vcvtq_s32_f32(fx);
79 mm = vaddq_s32(mm, p4i_0x7f);
80 mm = vshlq_n_s32(mm, 23);
81 Packet4f pow2n = vreinterpretq_f32_s32(mm);
83 y = vmulq_f32(y, pow2n);
91 #endif // EIGEN_MATH_FUNCTIONS_NEON_H static _EIGEN_DECLARE_CONST_Packet4i(0x7f, 0x7f)
__vector unsigned int Packet4ui
Namespace containing all symbols from the Eigen library.
#define EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
Point2(* f)(const Point3 &, OptionalJacobian< 2, 3 >)
Array< double, 1, 3 > e(1./3., 0.5, 2.)
static _EIGEN_DECLARE_CONST_Packet4f(1, 1.0f)
EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS EIGEN_UNUSED Packet4f pexp< Packet4f >(const Packet4f &_x)
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