#pragma once
// Extracted from soothe2_x64.vst3 runtime memory (Frida dump soothe_mem.bin)
// FUN_18014ec20 twiddle loader constants
// Module base: 0x180000000

namespace soothe {

// Pi reduction constants (range reduction for sin/cos)
constexpr double REDUCE_PI = 3.1415925025939941;        // _DAT_181c80800
constexpr double REDUCE_STEP = 1.5099578831723193e-07;   // _DAT_181c80840 (≈π/2²¹)

// Sin polynomial coefficients (odd powers: x³, x⁵, x⁷, x⁹, x¹¹, x¹³)
// sin(x) ≈ x + x³·(c0 + x²·(c1 + x²·(c2 + x²·(c3 + x²·(c4 + x²·c5)))))
// SIMD layout: each coefficient stored as __m128d pair (2 copies)
constexpr double SIN_C0 =  8.333333333285186e-03;   // ≈  1/120
constexpr double SIN_C1 = -1.984126982494424e-04;   // ≈ -1/5040
constexpr double SIN_C2 =  2.755731658449074e-06;   // ≈  1/362880
constexpr double SIN_C3 = -2.505187912674299e-08;   // ≈ -1/39916800
constexpr double SIN_C4 =  1.604805557697937e-10;   // ≈  1/6227020800

// Cos correction polynomial (for high-accuracy refinement)
// cos(x) ≈ d0 + x²·(d1 + x²·d2) applied as correction
constexpr double COS_CORR0 =  8.333322932609515e-03;  // ≈ 1/120
constexpr double COS_CORR1 = -5.000000000000000e-01;  // = -0.5
constexpr double COS_CORR2 =  4.166666666665152e-02;  // ≈ 1/24

// Chebyshev table (DAT_181c80d00) — used for final correction
constexpr double CHEB_A = 0.0;   // DAT_181c80d00
constexpr double CHEB_B = 1.0;   // DAT_181c80d08
constexpr double CHEB_C = 0.0;   // DAT_181c80d10

// Fast float construction constants
constexpr double DBL_MINX2  = 2.225073858507201e-308;  // _DAT_181c912d0 (DBL_MIN*2, denormal threshold)
constexpr double NEG_ZERO   = -0.0;                     // _DAT_181c91300 (sign bit mask)
constexpr double ONE_POINT  = 1.0;                      // _DAT_181c91310
constexpr double TWO_POW_43 = 13194139533312.0;         // _DAT_181c91320 (2^43, fast int→float)

// Exponent mask for float decomposition
// _DAT_181c80640: 0x8000000000000000 = -0.0 (sign bit mask for doubles)

// Sin/Cos fallback lookup tables (FUN_1801de760/sin, FUN_1801e3f20/cos)
// 4 doubles per entry: {correction, 1.0, sin/cos_value, ~0}
// Starting at 0x181c80e00, stride 32 bytes (4 doubles)
// First 16 entries extracted:
constexpr double SINCOS_TABLE[][4] = {
    {-4.815273327803114e-03, 1.0,  9.801714032956060e-02, -1.634582302684147e-18},
    {-6.093029997643959e-03, 1.0,  1.102222072938831e-01, -5.678950075852050e-19},
    {-7.520465401290002e-03, 1.0,  1.224106751992162e-01,  2.835450028764130e-18},
    {-9.097364572219975e-03, 1.0,  1.345807085071262e-01, -9.167035578355592e-18},
    {-1.921471959676955e-02, 1.0,  1.950903220161283e-01, -7.991078396422643e-18},
    {-2.168262928037237e-02, 1.0,  2.071113761922186e-01, -1.061336170658517e-17},
    {-2.429786996147145e-02, 1.0,  2.191012401568698e-01, -3.651380984986437e-19},
    {-2.706004779443985e-02, 1.0,  2.310581082806711e-01,  1.012978695740300e-17},
    {-4.305966426779113e-02, 1.0,  2.902846772544624e-01, -1.892797856471813e-17},
    {-4.669395964580617e-02, 1.0,  3.020059493192281e-01, -1.716766542931138e-17},
    {-5.047181940696333e-02, 1.0,  3.136817403988915e-01,  1.456044673246467e-17},
    {-5.439267461947867e-02, 1.0,  3.253102921622629e-01,  7.917124313757339e-18},
    {-7.612046748871325e-02, 1.0,  3.826834323650898e-01, -1.005077218375010e-17},
    {-8.088614830994226e-02, 1.0,  3.939920400610481e-01,  9.764923379470145e-18},
    {-8.579024429646935e-02, 1.0,  4.052413140049899e-01,  9.911139960448081e-18},
    {-9.083201690947762e-02, 1.0,  4.164295600976372e-01, -2.547557964294083e-17},
};

constexpr int SINCOS_TABLE_ENTRIES = sizeof(SINCOS_TABLE) / sizeof(SINCOS_TABLE[0]);

}  // namespace soothe