/src/fftw3/rdft/scalar/r2cb/hc2cb2_16.c

Source (jump to first uncovered line)
/*
 * Copyright (c) 2003, 2007-14 Matteo Frigo
 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

/* This file was automatically generated --- DO NOT EDIT */
/* Generated on Fri Jul 11 06:54:24 UTC 2025 */

#include "rdft/codelet-rdft.h"

#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)

/* Generated by: ../../../genfft/gen_hc2c.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 16 -dif -name hc2cb2_16 -include rdft/scalar/hc2cb.h */

/*
 * This function contains 196 FP additions, 134 FP multiplications,
 * (or, 104 additions, 42 multiplications, 92 fused multiply/add),
 * 93 stack variables, 3 constants, and 64 memory accesses
 */
#include "rdft/scalar/hc2cb.h"

static void hc2cb2_16(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DK(KP707106781, +0.707106781186547524400844362104849039284835938);
     DK(KP414213562, +0.414213562373095048801688724209698078569671875);
     {
    INT m;
    for (m = mb, W = W + ((mb - 1) * 8); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 8, MAKE_VOLATILE_STRIDE(64, rs)) {
         E Tv, Tw, T2z, T2C, TB, TF, Ty, Tz, T1V, TA, T2G, T3Q, T3C, T3g, T3L;
         E T30, T3m, T3z, T3w, T3s, T1X, T1Y, T2u, T2c, T2p, TE, TG, T1G, T1o, T1D;
         {
        E T3f, T3l, T2F, T3r, T2Z, T3v, TD, Tx;
        Tv = W[0];
        Tw = W[2];
        Tx = Tv * Tw;
        T2z = W[6];
        T3f = Tv * T2z;
        T2C = W[7];
        T3l = Tv * T2C;
        TB = W[4];
        T2F = Tv * TB;
        T3r = Tw * TB;
        TF = W[5];
        T2Z = Tv * TF;
        T3v = Tw * TF;
        Ty = W[1];
        Tz = W[3];
        TD = Tv * Tz;
        T1V = FMA(Ty, Tz, Tx);
        TA = FNMS(Ty, Tz, Tx);
        T2G = FNMS(Ty, TF, T2F);
        T3Q = FMA(Tz, TB, T3v);
        T3C = FNMS(Ty, TB, T2Z);
        T3g = FMA(Ty, T2C, T3f);
        T3L = FNMS(Tz, TF, T3r);
        T30 = FMA(Ty, TB, T2Z);
        T3m = FNMS(Ty, T2z, T3l);
        T3z = FMA(Ty, TF, T2F);
        T3w = FNMS(Tz, TB, T3v);
        T3s = FMA(Tz, TF, T3r);
        {
       E T1W, T2b, TC, T1n;
       T1W = T1V * TB;
       T2b = T1V * TF;
       T1X = FNMS(Ty, Tw, TD);
       T1Y = FNMS(T1X, TF, T1W);
       T2u = FNMS(T1X, TB, T2b);
       T2c = FMA(T1X, TB, T2b);
       T2p = FMA(T1X, TF, T1W);
       TC = TA * TB;
       T1n = TA * TF;
       TE = FMA(Ty, Tw, TD);
       TG = FNMS(TE, TF, TC);
       T1G = FNMS(TE, TB, T1n);
       T1o = FMA(TE, TB, T1n);
       T1D = FMA(TE, TF, TC);
        }
         }
         {
        E TL, T1Z, T2d, T1t, T31, T34, T3n, T3D, T3E, T3R, T1w, T20, Tf, T3M, T2L;
        E T3h, TW, T2e, T3G, T3H, T3N, T2Q, T36, T2V, T37, Tu, T3S, T18, T1z, T24;
        E T2g, T27, T2h, T1j, T1y;
        {
       E T3, TH, T1s, T32, T6, T1p, TK, T33, Ta, TM, TP, T2J, Td, TR, TU;
       E T2I;
       {
            E T1, T2, T1q, T1r;
            T1 = Rp[0];
            T2 = Rm[WS(rs, 7)];
            T3 = T1 + T2;
            TH = T1 - T2;
            T1q = Ip[0];
            T1r = Im[WS(rs, 7)];
            T1s = T1q + T1r;
            T32 = T1q - T1r;
       }
       {
            E T4, T5, TI, TJ;
            T4 = Rp[WS(rs, 4)];
            T5 = Rm[WS(rs, 3)];
            T6 = T4 + T5;
            T1p = T4 - T5;
            TI = Ip[WS(rs, 4)];
            TJ = Im[WS(rs, 3)];
            TK = TI + TJ;
            T33 = TI - TJ;
       }
       {
            E T8, T9, TN, TO;
            T8 = Rp[WS(rs, 2)];
            T9 = Rm[WS(rs, 5)];
            Ta = T8 + T9;
            TM = T8 - T9;
            TN = Ip[WS(rs, 2)];
            TO = Im[WS(rs, 5)];
            TP = TN + TO;
            T2J = TN - TO;
       }
       {
            E Tb, Tc, TS, TT;
            Tb = Rm[WS(rs, 1)];
            Tc = Rp[WS(rs, 6)];
            Td = Tb + Tc;
            TR = Tb - Tc;
            TS = Ip[WS(rs, 6)];
            TT = Im[WS(rs, 1)];
            TU = TS + TT;
            T2I = TS - TT;
       }
       TL = TH - TK;
       T1Z = TH + TK;
       T2d = T1s - T1p;
       T1t = T1p + T1s;
       T31 = Ta - Td;
       T34 = T32 - T33;
       T3n = T34 - T31;
       {
            E T1u, T1v, T7, Te;
            T3D = T32 + T33;
            T3E = T2J + T2I;
            T3R = T3D - T3E;
            T1u = TM + TP;
            T1v = TR + TU;
            T1w = T1u - T1v;
            T20 = T1u + T1v;
            T7 = T3 + T6;
            Te = Ta + Td;
            Tf = T7 + Te;
            T3M = T7 - Te;
            {
           E T2H, T2K, TQ, TV;
           T2H = T3 - T6;
           T2K = T2I - T2J;
           T2L = T2H + T2K;
           T3h = T2H - T2K;
           TQ = TM - TP;
           TV = TR - TU;
           TW = TQ + TV;
           T2e = TQ - TV;
            }
       }
        }
        {
       E Ti, T1e, T1c, T2N, Tl, T19, T1h, T2O, Tp, T13, T11, T2S, Ts, TY, T16;
       E T2T, T2M, T2P;
       {
            E Tg, Th, T1a, T1b;
            Tg = Rp[WS(rs, 1)];
            Th = Rm[WS(rs, 6)];
            Ti = Tg + Th;
            T1e = Tg - Th;
            T1a = Ip[WS(rs, 1)];
            T1b = Im[WS(rs, 6)];
            T1c = T1a + T1b;
            T2N = T1a - T1b;
       }
       {
            E Tj, Tk, T1f, T1g;
            Tj = Rp[WS(rs, 5)];
            Tk = Rm[WS(rs, 2)];
            Tl = Tj + Tk;
            T19 = Tj - Tk;
            T1f = Ip[WS(rs, 5)];
            T1g = Im[WS(rs, 2)];
            T1h = T1f + T1g;
            T2O = T1f - T1g;
       }
       {
            E Tn, To, TZ, T10;
            Tn = Rm[0];
            To = Rp[WS(rs, 7)];
            Tp = Tn + To;
            T13 = Tn - To;
            TZ = Ip[WS(rs, 7)];
            T10 = Im[0];
            T11 = TZ + T10;
            T2S = TZ - T10;
       }
       {
            E Tq, Tr, T14, T15;
            Tq = Rp[WS(rs, 3)];
            Tr = Rm[WS(rs, 4)];
            Ts = Tq + Tr;
            TY = Tq - Tr;
            T14 = Ip[WS(rs, 3)];
            T15 = Im[WS(rs, 4)];
            T16 = T14 + T15;
            T2T = T14 - T15;
       }
       T3G = T2N + T2O;
       T3H = T2S + T2T;
       T3N = T3H - T3G;
       T2M = Ti - Tl;
       T2P = T2N - T2O;
       T2Q = T2M - T2P;
       T36 = T2M + T2P;
       {
            E T2R, T2U, Tm, Tt;
            T2R = Tp - Ts;
            T2U = T2S - T2T;
            T2V = T2R + T2U;
            T37 = T2U - T2R;
            Tm = Ti + Tl;
            Tt = Tp + Ts;
            Tu = Tm + Tt;
            T3S = Tm - Tt;
       }
       {
            E T12, T17, T22, T23;
            T12 = TY - T11;
            T17 = T13 - T16;
            T18 = FNMS(KP414213562, T17, T12);
            T1z = FMA(KP414213562, T12, T17);
            T22 = T1c - T19;
            T23 = T1e + T1h;
            T24 = FNMS(KP414213562, T23, T22);
            T2g = FMA(KP414213562, T22, T23);
       }
       {
            E T25, T26, T1d, T1i;
            T25 = TY + T11;
            T26 = T13 + T16;
            T27 = FNMS(KP414213562, T26, T25);
            T2h = FMA(KP414213562, T25, T26);
            T1d = T19 + T1c;
            T1i = T1e - T1h;
            T1j = FMA(KP414213562, T1i, T1d);
            T1y = FNMS(KP414213562, T1d, T1i);
       }
        }
        Rp[0] = Tf + Tu;
        {
       E T3B, T3K, T3F, T3I, T3J, T3A;
       T3A = Tf - Tu;
       T3B = T3z * T3A;
       T3K = T3C * T3A;
       T3F = T3D + T3E;
       T3I = T3G + T3H;
       T3J = T3F - T3I;
       Rm[0] = T3F + T3I;
       Rm[WS(rs, 4)] = FMA(T3z, T3J, T3K);
       Rp[WS(rs, 4)] = FNMS(T3C, T3J, T3B);
        }
        {
       E T3O, T3P, T3T, T3U;
       T3O = T3M - T3N;
       T3P = T3L * T3O;
       T3T = T3R - T3S;
       T3U = T3L * T3T;
       Rp[WS(rs, 6)] = FNMS(T3Q, T3T, T3P);
       Rm[WS(rs, 6)] = FMA(T3Q, T3O, T3U);
        }
        {
       E T3V, T3W, T3X, T3Y;
       T3V = T3M + T3N;
       T3W = TA * T3V;
       T3X = T3S + T3R;
       T3Y = TA * T3X;
       Rp[WS(rs, 2)] = FNMS(TE, T3X, T3W);
       Rm[WS(rs, 2)] = FMA(TE, T3V, T3Y);
        }
        {
       E T3j, T3t, T3p, T3x, T3i, T3o;
       T3i = T37 - T36;
       T3j = FNMS(KP707106781, T3i, T3h);
       T3t = FMA(KP707106781, T3i, T3h);
       T3o = T2Q - T2V;
       T3p = FNMS(KP707106781, T3o, T3n);
       T3x = FMA(KP707106781, T3o, T3n);
       {
            E T3k, T3q, T3u, T3y;
            T3k = T3g * T3j;
            Rp[WS(rs, 7)] = FNMS(T3m, T3p, T3k);
            T3q = T3g * T3p;
            Rm[WS(rs, 7)] = FMA(T3m, T3j, T3q);
            T3u = T3s * T3t;
            Rp[WS(rs, 3)] = FNMS(T3w, T3x, T3u);
            T3y = T3s * T3x;
            Rm[WS(rs, 3)] = FMA(T3w, T3t, T3y);
       }
        }
        {
       E T2X, T3b, T39, T3d, T2W, T35, T38;
       T2W = T2Q + T2V;
       T2X = FNMS(KP707106781, T2W, T2L);
       T3b = FMA(KP707106781, T2W, T2L);
       T35 = T31 + T34;
       T38 = T36 + T37;
       T39 = FNMS(KP707106781, T38, T35);
       T3d = FMA(KP707106781, T38, T35);
       {
            E T2Y, T3a, T3c, T3e;
            T2Y = T2G * T2X;
            Rp[WS(rs, 5)] = FNMS(T30, T39, T2Y);
            T3a = T30 * T2X;
            Rm[WS(rs, 5)] = FMA(T2G, T39, T3a);
            T3c = T1V * T3b;
            Rp[WS(rs, 1)] = FNMS(T1X, T3d, T3c);
            T3e = T1X * T3b;
            Rm[WS(rs, 1)] = FMA(T1V, T3d, T3e);
       }
        }
        {
       E T29, T2l, T2j, T2n;
       {
            E T21, T28, T2f, T2i;
            T21 = FNMS(KP707106781, T20, T1Z);
            T28 = T24 + T27;
            T29 = FMA(KP923879532, T28, T21);
            T2l = FNMS(KP923879532, T28, T21);
            T2f = FMA(KP707106781, T2e, T2d);
            T2i = T2g - T2h;
            T2j = FNMS(KP923879532, T2i, T2f);
            T2n = FMA(KP923879532, T2i, T2f);
       }
       {
            E T2a, T2k, T2m, T2o;
            T2a = T1Y * T29;
            Ip[WS(rs, 5)] = FNMS(T2c, T2j, T2a);
            T2k = T2c * T29;
            Im[WS(rs, 5)] = FMA(T1Y, T2j, T2k);
            T2m = Tw * T2l;
            Ip[WS(rs, 1)] = FNMS(Tz, T2n, T2m);
            T2o = Tz * T2l;
            Im[WS(rs, 1)] = FMA(Tw, T2n, T2o);
       }
        }
        {
       E T1l, T1E, T1B, T1H;
       {
            E TX, T1k, T1x, T1A;
            TX = FNMS(KP707106781, TW, TL);
            T1k = T18 - T1j;
            T1l = FNMS(KP923879532, T1k, TX);
            T1E = FMA(KP923879532, T1k, TX);
            T1x = FNMS(KP707106781, T1w, T1t);
            T1A = T1y - T1z;
            T1B = FNMS(KP923879532, T1A, T1x);
            T1H = FMA(KP923879532, T1A, T1x);
       }
       {
            E T1m, T1C, T1F, T1I;
            T1m = TG * T1l;
            Ip[WS(rs, 6)] = FNMS(T1o, T1B, T1m);
            T1C = T1o * T1l;
            Im[WS(rs, 6)] = FMA(TG, T1B, T1C);
            T1F = T1D * T1E;
            Ip[WS(rs, 2)] = FNMS(T1G, T1H, T1F);
            T1I = T1G * T1E;
            Im[WS(rs, 2)] = FMA(T1D, T1H, T1I);
       }
        }
        {
       E T2s, T2A, T2x, T2D;
       {
            E T2q, T2r, T2v, T2w;
            T2q = FMA(KP707106781, T20, T1Z);
            T2r = T2g + T2h;
            T2s = FNMS(KP923879532, T2r, T2q);
            T2A = FMA(KP923879532, T2r, T2q);
            T2v = FNMS(KP707106781, T2e, T2d);
            T2w = T27 - T24;
            T2x = FMA(KP923879532, T2w, T2v);
            T2D = FNMS(KP923879532, T2w, T2v);
       }
       {
            E T2t, T2y, T2B, T2E;
            T2t = T2p * T2s;
            Ip[WS(rs, 3)] = FNMS(T2u, T2x, T2t);
            T2y = T2p * T2x;
            Im[WS(rs, 3)] = FMA(T2u, T2s, T2y);
            T2B = T2z * T2A;
            Ip[WS(rs, 7)] = FNMS(T2C, T2D, T2B);
            T2E = T2z * T2D;
            Im[WS(rs, 7)] = FMA(T2C, T2A, T2E);
       }
        }
        {
       E T1L, T1R, T1P, T1T;
       {
            E T1J, T1K, T1N, T1O;
            T1J = FMA(KP707106781, TW, TL);
            T1K = T1y + T1z;
            T1L = FNMS(KP923879532, T1K, T1J);
            T1R = FMA(KP923879532, T1K, T1J);
            T1N = FMA(KP707106781, T1w, T1t);
            T1O = T1j + T18;
            T1P = FNMS(KP923879532, T1O, T1N);
            T1T = FMA(KP923879532, T1O, T1N);
       }
       {
            E T1M, T1Q, T1S, T1U;
            T1M = TB * T1L;
            Ip[WS(rs, 4)] = FNMS(TF, T1P, T1M);
            T1Q = TB * T1P;
            Im[WS(rs, 4)] = FMA(TF, T1L, T1Q);
            T1S = Tv * T1R;
            Ip[0] = FNMS(Ty, T1T, T1S);
            T1U = Tv * T1T;
            Im[0] = FMA(Ty, T1R, T1U);
       }
        }
         }
    }
     }
}

static const tw_instr twinstr[] = {
     { TW_CEXP, 1, 1 },
     { TW_CEXP, 1, 3 },
     { TW_CEXP, 1, 9 },
     { TW_CEXP, 1, 15 },
     { TW_NEXT, 1, 0 }
};

static const hc2c_desc desc = { 16, "hc2cb2_16", twinstr, &GENUS, { 104, 42, 92, 0 } };

void X(codelet_hc2cb2_16) (planner *p) {
     X(khc2c_register) (p, hc2cb2_16, &desc, HC2C_VIA_RDFT);
}
#else

/* Generated by: ../../../genfft/gen_hc2c.native -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 16 -dif -name hc2cb2_16 -include rdft/scalar/hc2cb.h */

/*
 * This function contains 196 FP additions, 108 FP multiplications,
 * (or, 156 additions, 68 multiplications, 40 fused multiply/add),
 * 80 stack variables, 3 constants, and 64 memory accesses
 */
#include "rdft/scalar/hc2cb.h"

static void hc2cb2_16(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
     DK(KP382683432, +0.382683432365089771728459984030398866761344562);
     DK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DK(KP707106781, +0.707106781186547524400844362104849039284835938);
     {
    INT m;
    for (m = mb, W = W + ((mb - 1) * 8); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 8, MAKE_VOLATILE_STRIDE(64, rs)) {
         E Tv, Ty, T1l, T1n, T1p, T1t, T27, T25, Tz, Tw, TB, T21, T1P, T1H, T1X;
         E T17, T1L, T1N, T1v, T1w, T1x, T1B, T2F, T2T, T2b, T2R, T3j, T3x, T35, T3t;
         {
        E TA, T1J, T15, T1G, Tx, T1K, T16, T1F;
        {
       E T1m, T1s, T1o, T1r;
       Tv = W[0];
       Ty = W[1];
       T1l = W[2];
       T1n = W[3];
       T1m = Tv * T1l;
       T1s = Ty * T1l;
       T1o = Ty * T1n;
       T1r = Tv * T1n;
       T1p = T1m + T1o;
       T1t = T1r - T1s;
       T27 = T1r + T1s;
       T25 = T1m - T1o;
       Tz = W[5];
       TA = Ty * Tz;
       T1J = T1l * Tz;
       T15 = Tv * Tz;
       T1G = T1n * Tz;
       Tw = W[4];
       Tx = Tv * Tw;
       T1K = T1n * Tw;
       T16 = Ty * Tw;
       T1F = T1l * Tw;
        }
        TB = Tx - TA;
        T21 = T1J + T1K;
        T1P = T15 - T16;
        T1H = T1F + T1G;
        T1X = T1F - T1G;
        T17 = T15 + T16;
        T1L = T1J - T1K;
        T1N = Tx + TA;
        T1v = W[6];
        T1w = W[7];
        T1x = FMA(Tv, T1v, Ty * T1w);
        T1B = FNMS(Ty, T1v, Tv * T1w);
        {
       E T2D, T2E, T29, T2a;
       T2D = T25 * Tz;
       T2E = T27 * Tw;
       T2F = T2D + T2E;
       T2T = T2D - T2E;
       T29 = T25 * Tw;
       T2a = T27 * Tz;
       T2b = T29 - T2a;
       T2R = T29 + T2a;
        }
        {
       E T3h, T3i, T33, T34;
       T3h = T1p * Tz;
       T3i = T1t * Tw;
       T3j = T3h + T3i;
       T3x = T3h - T3i;
       T33 = T1p * Tw;
       T34 = T1t * Tz;
       T35 = T33 - T34;
       T3t = T33 + T34;
        }
         }
         {
        E T7, T36, T3k, TC, T1f, T2e, T2I, T1Q, Te, TJ, T1R, T18, T2L, T37, T2l;
        E T3l, Tm, T1T, TT, T1h, T2A, T2N, T3b, T3n, Tt, T1U, T12, T1i, T2t, T2O;
        E T3e, T3o;
        {
       E T3, T2c, T1b, T2H, T6, T2G, T1e, T2d;
       {
            E T1, T2, T19, T1a;
            T1 = Rp[0];
            T2 = Rm[WS(rs, 7)];
            T3 = T1 + T2;
            T2c = T1 - T2;
            T19 = Ip[0];
            T1a = Im[WS(rs, 7)];
            T1b = T19 - T1a;
            T2H = T19 + T1a;
       }
       {
            E T4, T5, T1c, T1d;
            T4 = Rp[WS(rs, 4)];
            T5 = Rm[WS(rs, 3)];
            T6 = T4 + T5;
            T2G = T4 - T5;
            T1c = Ip[WS(rs, 4)];
            T1d = Im[WS(rs, 3)];
            T1e = T1c - T1d;
            T2d = T1c + T1d;
       }
       T7 = T3 + T6;
       T36 = T2c + T2d;
       T3k = T2H - T2G;
       TC = T3 - T6;
       T1f = T1b - T1e;
       T2e = T2c - T2d;
       T2I = T2G + T2H;
       T1Q = T1b + T1e;
        }
        {
       E Ta, T2f, TI, T2g, Td, T2i, TF, T2j;
       {
            E T8, T9, TG, TH;
            T8 = Rp[WS(rs, 2)];
            T9 = Rm[WS(rs, 5)];
            Ta = T8 + T9;
            T2f = T8 - T9;
            TG = Ip[WS(rs, 2)];
            TH = Im[WS(rs, 5)];
            TI = TG - TH;
            T2g = TG + TH;
       }
       {
            E Tb, Tc, TD, TE;
            Tb = Rm[WS(rs, 1)];
            Tc = Rp[WS(rs, 6)];
            Td = Tb + Tc;
            T2i = Tb - Tc;
            TD = Ip[WS(rs, 6)];
            TE = Im[WS(rs, 1)];
            TF = TD - TE;
            T2j = TD + TE;
       }
       Te = Ta + Td;
       TJ = TF - TI;
       T1R = TI + TF;
       T18 = Ta - Td;
       {
            E T2J, T2K, T2h, T2k;
            T2J = T2f + T2g;
            T2K = T2i + T2j;
            T2L = KP707106781 * (T2J - T2K);
            T37 = KP707106781 * (T2J + T2K);
            T2h = T2f - T2g;
            T2k = T2i - T2j;
            T2l = KP707106781 * (T2h + T2k);
            T3l = KP707106781 * (T2h - T2k);
       }
        }
        {
       E Ti, T2x, TO, T2v, Tl, T2u, TR, T2y, TL, TS;
       {
            E Tg, Th, TM, TN;
            Tg = Rp[WS(rs, 1)];
            Th = Rm[WS(rs, 6)];
            Ti = Tg + Th;
            T2x = Tg - Th;
            TM = Ip[WS(rs, 1)];
            TN = Im[WS(rs, 6)];
            TO = TM - TN;
            T2v = TM + TN;
       }
       {
            E Tj, Tk, TP, TQ;
            Tj = Rp[WS(rs, 5)];
            Tk = Rm[WS(rs, 2)];
            Tl = Tj + Tk;
            T2u = Tj - Tk;
            TP = Ip[WS(rs, 5)];
            TQ = Im[WS(rs, 2)];
            TR = TP - TQ;
            T2y = TP + TQ;
       }
       Tm = Ti + Tl;
       T1T = TO + TR;
       TL = Ti - Tl;
       TS = TO - TR;
       TT = TL - TS;
       T1h = TL + TS;
       {
            E T2w, T2z, T39, T3a;
            T2w = T2u + T2v;
            T2z = T2x - T2y;
            T2A = FMA(KP923879532, T2w, KP382683432 * T2z);
            T2N = FNMS(KP382683432, T2w, KP923879532 * T2z);
            T39 = T2x + T2y;
            T3a = T2v - T2u;
            T3b = FNMS(KP923879532, T3a, KP382683432 * T39);
            T3n = FMA(KP382683432, T3a, KP923879532 * T39);
       }
        }
        {
       E Tp, T2q, TX, T2o, Ts, T2n, T10, T2r, TU, T11;
       {
            E Tn, To, TV, TW;
            Tn = Rm[0];
            To = Rp[WS(rs, 7)];
            Tp = Tn + To;
            T2q = Tn - To;
            TV = Ip[WS(rs, 7)];
            TW = Im[0];
            TX = TV - TW;
            T2o = TV + TW;
       }
       {
            E Tq, Tr, TY, TZ;
            Tq = Rp[WS(rs, 3)];
            Tr = Rm[WS(rs, 4)];
            Ts = Tq + Tr;
            T2n = Tq - Tr;
            TY = Ip[WS(rs, 3)];
            TZ = Im[WS(rs, 4)];
            T10 = TY - TZ;
            T2r = TY + TZ;
       }
       Tt = Tp + Ts;
       T1U = TX + T10;
       TU = Tp - Ts;
       T11 = TX - T10;
       T12 = TU + T11;
       T1i = T11 - TU;
       {
            E T2p, T2s, T3c, T3d;
            T2p = T2n - T2o;
            T2s = T2q - T2r;
            T2t = FNMS(KP382683432, T2s, KP923879532 * T2p);
            T2O = FMA(KP382683432, T2p, KP923879532 * T2s);
            T3c = T2q + T2r;
            T3d = T2n + T2o;
            T3e = FNMS(KP923879532, T3d, KP382683432 * T3c);
            T3o = FMA(KP382683432, T3d, KP923879532 * T3c);
       }
        }
        {
       E Tf, Tu, T1O, T1S, T1V, T1W;
       Tf = T7 + Te;
       Tu = Tm + Tt;
       T1O = Tf - Tu;
       T1S = T1Q + T1R;
       T1V = T1T + T1U;
       T1W = T1S - T1V;
       Rp[0] = Tf + Tu;
       Rm[0] = T1S + T1V;
       Rp[WS(rs, 4)] = FNMS(T1P, T1W, T1N * T1O);
       Rm[WS(rs, 4)] = FMA(T1P, T1O, T1N * T1W);
        }
        {
       E T3g, T3r, T3q, T3s;
       {
            E T38, T3f, T3m, T3p;
            T38 = T36 - T37;
            T3f = T3b + T3e;
            T3g = T38 - T3f;
            T3r = T38 + T3f;
            T3m = T3k + T3l;
            T3p = T3n - T3o;
            T3q = T3m - T3p;
            T3s = T3m + T3p;
       }
       Ip[WS(rs, 5)] = FNMS(T3j, T3q, T35 * T3g);
       Im[WS(rs, 5)] = FMA(T3j, T3g, T35 * T3q);
       Ip[WS(rs, 1)] = FNMS(T1n, T3s, T1l * T3r);
       Im[WS(rs, 1)] = FMA(T1n, T3r, T1l * T3s);
        }
        {
       E T3w, T3B, T3A, T3C;
       {
            E T3u, T3v, T3y, T3z;
            T3u = T36 + T37;
            T3v = T3n + T3o;
            T3w = T3u - T3v;
            T3B = T3u + T3v;
            T3y = T3k - T3l;
            T3z = T3b - T3e;
            T3A = T3y + T3z;
            T3C = T3y - T3z;
       }
       Ip[WS(rs, 3)] = FNMS(T3x, T3A, T3t * T3w);
       Im[WS(rs, 3)] = FMA(T3t, T3A, T3x * T3w);
       Ip[WS(rs, 7)] = FNMS(T1w, T3C, T1v * T3B);
       Im[WS(rs, 7)] = FMA(T1v, T3C, T1w * T3B);
        }
        {
       E T14, T1q, T1k, T1u;
       {
            E TK, T13, T1g, T1j;
            TK = TC + TJ;
            T13 = KP707106781 * (TT + T12);
            T14 = TK - T13;
            T1q = TK + T13;
            T1g = T18 + T1f;
            T1j = KP707106781 * (T1h + T1i);
            T1k = T1g - T1j;
            T1u = T1g + T1j;
       }
       Rp[WS(rs, 5)] = FNMS(T17, T1k, TB * T14);
       Rm[WS(rs, 5)] = FMA(T17, T14, TB * T1k);
       Rp[WS(rs, 1)] = FNMS(T1t, T1u, T1p * T1q);
       Rm[WS(rs, 1)] = FMA(T1t, T1q, T1p * T1u);
        }
        {
       E T1A, T1I, T1E, T1M;
       {
            E T1y, T1z, T1C, T1D;
            T1y = TC - TJ;
            T1z = KP707106781 * (T1i - T1h);
            T1A = T1y - T1z;
            T1I = T1y + T1z;
            T1C = T1f - T18;
            T1D = KP707106781 * (TT - T12);
            T1E = T1C - T1D;
            T1M = T1C + T1D;
       }
       Rp[WS(rs, 7)] = FNMS(T1B, T1E, T1x * T1A);
       Rm[WS(rs, 7)] = FMA(T1x, T1E, T1B * T1A);
       Rp[WS(rs, 3)] = FNMS(T1L, T1M, T1H * T1I);
       Rm[WS(rs, 3)] = FMA(T1H, T1M, T1L * T1I);
        }
        {
       E T2C, T2S, T2Q, T2U;
       {
            E T2m, T2B, T2M, T2P;
            T2m = T2e - T2l;
            T2B = T2t - T2A;
            T2C = T2m - T2B;
            T2S = T2m + T2B;
            T2M = T2I - T2L;
            T2P = T2N - T2O;
            T2Q = T2M - T2P;
            T2U = T2M + T2P;
       }
       Ip[WS(rs, 6)] = FNMS(T2F, T2Q, T2b * T2C);
       Im[WS(rs, 6)] = FMA(T2F, T2C, T2b * T2Q);
       Ip[WS(rs, 2)] = FNMS(T2T, T2U, T2R * T2S);
       Im[WS(rs, 2)] = FMA(T2T, T2S, T2R * T2U);
        }
        {
       E T2X, T31, T30, T32;
       {
            E T2V, T2W, T2Y, T2Z;
            T2V = T2e + T2l;
            T2W = T2N + T2O;
            T2X = T2V - T2W;
            T31 = T2V + T2W;
            T2Y = T2I + T2L;
            T2Z = T2A + T2t;
            T30 = T2Y - T2Z;
            T32 = T2Y + T2Z;
       }
       Ip[WS(rs, 4)] = FNMS(Tz, T30, Tw * T2X);
       Im[WS(rs, 4)] = FMA(Tw, T30, Tz * T2X);
       Ip[0] = FNMS(Ty, T32, Tv * T31);
       Im[0] = FMA(Tv, T32, Ty * T31);
        }
        {
       E T20, T26, T24, T28;
       {
            E T1Y, T1Z, T22, T23;
            T1Y = T7 - Te;
            T1Z = T1U - T1T;
            T20 = T1Y - T1Z;
            T26 = T1Y + T1Z;
            T22 = T1Q - T1R;
            T23 = Tm - Tt;
            T24 = T22 - T23;
            T28 = T23 + T22;
       }
       Rp[WS(rs, 6)] = FNMS(T21, T24, T1X * T20);
       Rm[WS(rs, 6)] = FMA(T1X, T24, T21 * T20);
       Rp[WS(rs, 2)] = FNMS(T27, T28, T25 * T26);
       Rm[WS(rs, 2)] = FMA(T25, T28, T27 * T26);
        }
         }
    }
     }
}

static const tw_instr twinstr[] = {
     { TW_CEXP, 1, 1 },
     { TW_CEXP, 1, 3 },
     { TW_CEXP, 1, 9 },
     { TW_CEXP, 1, 15 },
     { TW_NEXT, 1, 0 }
};

static const hc2c_desc desc = { 16, "hc2cb2_16", twinstr, &GENUS, { 156, 68, 40, 0 } };

void X(codelet_hc2cb2_16) (planner *p) {
     X(khc2c_register) (p, hc2cb2_16, &desc, HC2C_VIA_RDFT);
}
#endif

Coverage Report

Created: 2025-07-11 06:55

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2003, 2007-14 Matteo Frigo
3		* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
4		*
5		* This program is free software; you can redistribute it and/or modify
6		* it under the terms of the GNU General Public License as published by
7		* the Free Software Foundation; either version 2 of the License, or
8		* (at your option) any later version.
9		*
10		* This program is distributed in the hope that it will be useful,
11		* but WITHOUT ANY WARRANTY; without even the implied warranty of
12		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13		* GNU General Public License for more details.
14		*
15		* You should have received a copy of the GNU General Public License
16		* along with this program; if not, write to the Free Software
17		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18		*
19		*/
20
21		/* This file was automatically generated --- DO NOT EDIT */
22		/* Generated on Fri Jul 11 06:54:24 UTC 2025 */
23
24		#include "rdft/codelet-rdft.h"
25
26		#if defined(ARCH_PREFERS_FMA) \|\| defined(ISA_EXTENSION_PREFERS_FMA)
27
28		/* Generated by: ../../../genfft/gen_hc2c.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 16 -dif -name hc2cb2_16 -include rdft/scalar/hc2cb.h */
29
30		/*
31		* This function contains 196 FP additions, 134 FP multiplications,
32		* (or, 104 additions, 42 multiplications, 92 fused multiply/add),
33		* 93 stack variables, 3 constants, and 64 memory accesses
34		*/
35		#include "rdft/scalar/hc2cb.h"
36
37		static void hc2cb2_16(R Rp, R Ip, R Rm, R Im, const R *W, stride rs, INT mb, INT me, INT ms)
38		{
39		DK(KP923879532, +0.923879532511286756128183189396788286822416626);
40		DK(KP707106781, +0.707106781186547524400844362104849039284835938);
41		DK(KP414213562, +0.414213562373095048801688724209698078569671875);
42		{
43		INT m;
44		for (m = mb, W = W + ((mb - 1) * 8); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 8, MAKE_VOLATILE_STRIDE(64, rs)) {
45		E Tv, Tw, T2z, T2C, TB, TF, Ty, Tz, T1V, TA, T2G, T3Q, T3C, T3g, T3L;
46		E T30, T3m, T3z, T3w, T3s, T1X, T1Y, T2u, T2c, T2p, TE, TG, T1G, T1o, T1D;
47		{
48		E T3f, T3l, T2F, T3r, T2Z, T3v, TD, Tx;
49		Tv = W[0];
50		Tw = W[2];
51		Tx = Tv * Tw;
52		T2z = W[6];
53		T3f = Tv * T2z;
54		T2C = W[7];
55		T3l = Tv * T2C;
56		TB = W[4];
57		T2F = Tv * TB;
58		T3r = Tw * TB;
59		TF = W[5];
60		T2Z = Tv * TF;
61		T3v = Tw * TF;
62		Ty = W[1];
63		Tz = W[3];
64		TD = Tv * Tz;
65		T1V = FMA(Ty, Tz, Tx);
66		TA = FNMS(Ty, Tz, Tx);
67		T2G = FNMS(Ty, TF, T2F);
68		T3Q = FMA(Tz, TB, T3v);
69		T3C = FNMS(Ty, TB, T2Z);
70		T3g = FMA(Ty, T2C, T3f);
71		T3L = FNMS(Tz, TF, T3r);
72		T30 = FMA(Ty, TB, T2Z);
73		T3m = FNMS(Ty, T2z, T3l);
74		T3z = FMA(Ty, TF, T2F);
75		T3w = FNMS(Tz, TB, T3v);
76		T3s = FMA(Tz, TF, T3r);
77		{
78		E T1W, T2b, TC, T1n;
79		T1W = T1V * TB;
80		T2b = T1V * TF;
81		T1X = FNMS(Ty, Tw, TD);
82		T1Y = FNMS(T1X, TF, T1W);
83		T2u = FNMS(T1X, TB, T2b);
84		T2c = FMA(T1X, TB, T2b);
85		T2p = FMA(T1X, TF, T1W);
86		TC = TA * TB;
87		T1n = TA * TF;
88		TE = FMA(Ty, Tw, TD);
89		TG = FNMS(TE, TF, TC);
90		T1G = FNMS(TE, TB, T1n);
91		T1o = FMA(TE, TB, T1n);
92		T1D = FMA(TE, TF, TC);
93		}
94		}
95		{
96		E TL, T1Z, T2d, T1t, T31, T34, T3n, T3D, T3E, T3R, T1w, T20, Tf, T3M, T2L;
97		E T3h, TW, T2e, T3G, T3H, T3N, T2Q, T36, T2V, T37, Tu, T3S, T18, T1z, T24;
98		E T2g, T27, T2h, T1j, T1y;
99		{
100		E T3, TH, T1s, T32, T6, T1p, TK, T33, Ta, TM, TP, T2J, Td, TR, TU;
101		E T2I;
102		{
103		E T1, T2, T1q, T1r;
104		T1 = Rp[0];
105		T2 = Rm[WS(rs, 7)];
106		T3 = T1 + T2;
107		TH = T1 - T2;
108		T1q = Ip[0];
109		T1r = Im[WS(rs, 7)];
110		T1s = T1q + T1r;
111		T32 = T1q - T1r;
112		}
113		{
114		E T4, T5, TI, TJ;
115		T4 = Rp[WS(rs, 4)];
116		T5 = Rm[WS(rs, 3)];
117		T6 = T4 + T5;
118		T1p = T4 - T5;
119		TI = Ip[WS(rs, 4)];
120		TJ = Im[WS(rs, 3)];
121		TK = TI + TJ;
122		T33 = TI - TJ;
123		}
124		{
125		E T8, T9, TN, TO;
126		T8 = Rp[WS(rs, 2)];
127		T9 = Rm[WS(rs, 5)];
128		Ta = T8 + T9;
129		TM = T8 - T9;
130		TN = Ip[WS(rs, 2)];
131		TO = Im[WS(rs, 5)];
132		TP = TN + TO;
133		T2J = TN - TO;
134		}
135		{
136		E Tb, Tc, TS, TT;
137		Tb = Rm[WS(rs, 1)];
138		Tc = Rp[WS(rs, 6)];
139		Td = Tb + Tc;
140		TR = Tb - Tc;
141		TS = Ip[WS(rs, 6)];
142		TT = Im[WS(rs, 1)];
143		TU = TS + TT;
144		T2I = TS - TT;
145		}
146		TL = TH - TK;
147		T1Z = TH + TK;
148		T2d = T1s - T1p;
149		T1t = T1p + T1s;
150		T31 = Ta - Td;
151		T34 = T32 - T33;
152		T3n = T34 - T31;
153		{
154		E T1u, T1v, T7, Te;
155		T3D = T32 + T33;
156		T3E = T2J + T2I;
157		T3R = T3D - T3E;
158		T1u = TM + TP;
159		T1v = TR + TU;
160		T1w = T1u - T1v;
161		T20 = T1u + T1v;
162		T7 = T3 + T6;
163		Te = Ta + Td;
164		Tf = T7 + Te;
165		T3M = T7 - Te;
166		{
167		E T2H, T2K, TQ, TV;
168		T2H = T3 - T6;
169		T2K = T2I - T2J;
170		T2L = T2H + T2K;
171		T3h = T2H - T2K;
172		TQ = TM - TP;
173		TV = TR - TU;
174		TW = TQ + TV;
175		T2e = TQ - TV;
176		}
177		}
178		}
179		{
180		E Ti, T1e, T1c, T2N, Tl, T19, T1h, T2O, Tp, T13, T11, T2S, Ts, TY, T16;
181		E T2T, T2M, T2P;
182		{
183		E Tg, Th, T1a, T1b;
184		Tg = Rp[WS(rs, 1)];
185		Th = Rm[WS(rs, 6)];
186		Ti = Tg + Th;
187		T1e = Tg - Th;
188		T1a = Ip[WS(rs, 1)];
189		T1b = Im[WS(rs, 6)];
190		T1c = T1a + T1b;
191		T2N = T1a - T1b;
192		}
193		{
194		E Tj, Tk, T1f, T1g;
195		Tj = Rp[WS(rs, 5)];
196		Tk = Rm[WS(rs, 2)];
197		Tl = Tj + Tk;
198		T19 = Tj - Tk;
199		T1f = Ip[WS(rs, 5)];
200		T1g = Im[WS(rs, 2)];
201		T1h = T1f + T1g;
202		T2O = T1f - T1g;
203		}
204		{
205		E Tn, To, TZ, T10;
206		Tn = Rm[0];
207		To = Rp[WS(rs, 7)];
208		Tp = Tn + To;
209		T13 = Tn - To;
210		TZ = Ip[WS(rs, 7)];
211		T10 = Im[0];
212		T11 = TZ + T10;
213		T2S = TZ - T10;
214		}
215		{
216		E Tq, Tr, T14, T15;
217		Tq = Rp[WS(rs, 3)];
218		Tr = Rm[WS(rs, 4)];
219		Ts = Tq + Tr;
220		TY = Tq - Tr;
221		T14 = Ip[WS(rs, 3)];
222		T15 = Im[WS(rs, 4)];
223		T16 = T14 + T15;
224		T2T = T14 - T15;
225		}
226		T3G = T2N + T2O;
227		T3H = T2S + T2T;
228		T3N = T3H - T3G;
229		T2M = Ti - Tl;
230		T2P = T2N - T2O;
231		T2Q = T2M - T2P;
232		T36 = T2M + T2P;
233		{
234		E T2R, T2U, Tm, Tt;
235		T2R = Tp - Ts;
236		T2U = T2S - T2T;
237		T2V = T2R + T2U;
238		T37 = T2U - T2R;
239		Tm = Ti + Tl;
240		Tt = Tp + Ts;
241		Tu = Tm + Tt;
242		T3S = Tm - Tt;
243		}
244		{
245		E T12, T17, T22, T23;
246		T12 = TY - T11;
247		T17 = T13 - T16;
248		T18 = FNMS(KP414213562, T17, T12);
249		T1z = FMA(KP414213562, T12, T17);
250		T22 = T1c - T19;
251		T23 = T1e + T1h;
252		T24 = FNMS(KP414213562, T23, T22);
253		T2g = FMA(KP414213562, T22, T23);
254		}
255		{
256		E T25, T26, T1d, T1i;
257		T25 = TY + T11;
258		T26 = T13 + T16;
259		T27 = FNMS(KP414213562, T26, T25);
260		T2h = FMA(KP414213562, T25, T26);
261		T1d = T19 + T1c;
262		T1i = T1e - T1h;
263		T1j = FMA(KP414213562, T1i, T1d);
264		T1y = FNMS(KP414213562, T1d, T1i);
265		}
266		}
267		Rp[0] = Tf + Tu;
268		{
269		E T3B, T3K, T3F, T3I, T3J, T3A;
270		T3A = Tf - Tu;
271		T3B = T3z * T3A;
272		T3K = T3C * T3A;
273		T3F = T3D + T3E;
274		T3I = T3G + T3H;
275		T3J = T3F - T3I;
276		Rm[0] = T3F + T3I;
277		Rm[WS(rs, 4)] = FMA(T3z, T3J, T3K);
278		Rp[WS(rs, 4)] = FNMS(T3C, T3J, T3B);
279		}
280		{
281		E T3O, T3P, T3T, T3U;
282		T3O = T3M - T3N;
283		T3P = T3L * T3O;
284		T3T = T3R - T3S;
285		T3U = T3L * T3T;
286		Rp[WS(rs, 6)] = FNMS(T3Q, T3T, T3P);
287		Rm[WS(rs, 6)] = FMA(T3Q, T3O, T3U);
288		}
289		{
290		E T3V, T3W, T3X, T3Y;
291		T3V = T3M + T3N;
292		T3W = TA * T3V;
293		T3X = T3S + T3R;
294		T3Y = TA * T3X;
295		Rp[WS(rs, 2)] = FNMS(TE, T3X, T3W);
296		Rm[WS(rs, 2)] = FMA(TE, T3V, T3Y);
297		}
298		{
299		E T3j, T3t, T3p, T3x, T3i, T3o;
300		T3i = T37 - T36;
301		T3j = FNMS(KP707106781, T3i, T3h);
302		T3t = FMA(KP707106781, T3i, T3h);
303		T3o = T2Q - T2V;
304		T3p = FNMS(KP707106781, T3o, T3n);
305		T3x = FMA(KP707106781, T3o, T3n);
306		{
307		E T3k, T3q, T3u, T3y;
308		T3k = T3g * T3j;
309		Rp[WS(rs, 7)] = FNMS(T3m, T3p, T3k);
310		T3q = T3g * T3p;
311		Rm[WS(rs, 7)] = FMA(T3m, T3j, T3q);
312		T3u = T3s * T3t;
313		Rp[WS(rs, 3)] = FNMS(T3w, T3x, T3u);
314		T3y = T3s * T3x;
315		Rm[WS(rs, 3)] = FMA(T3w, T3t, T3y);
316		}
317		}
318		{
319		E T2X, T3b, T39, T3d, T2W, T35, T38;
320		T2W = T2Q + T2V;
321		T2X = FNMS(KP707106781, T2W, T2L);
322		T3b = FMA(KP707106781, T2W, T2L);
323		T35 = T31 + T34;
324		T38 = T36 + T37;
325		T39 = FNMS(KP707106781, T38, T35);
326		T3d = FMA(KP707106781, T38, T35);
327		{
328		E T2Y, T3a, T3c, T3e;
329		T2Y = T2G * T2X;
330		Rp[WS(rs, 5)] = FNMS(T30, T39, T2Y);
331		T3a = T30 * T2X;
332		Rm[WS(rs, 5)] = FMA(T2G, T39, T3a);
333		T3c = T1V * T3b;
334		Rp[WS(rs, 1)] = FNMS(T1X, T3d, T3c);
335		T3e = T1X * T3b;
336		Rm[WS(rs, 1)] = FMA(T1V, T3d, T3e);
337		}
338		}
339		{
340		E T29, T2l, T2j, T2n;
341		{
342		E T21, T28, T2f, T2i;
343		T21 = FNMS(KP707106781, T20, T1Z);
344		T28 = T24 + T27;
345		T29 = FMA(KP923879532, T28, T21);
346		T2l = FNMS(KP923879532, T28, T21);
347		T2f = FMA(KP707106781, T2e, T2d);
348		T2i = T2g - T2h;
349		T2j = FNMS(KP923879532, T2i, T2f);
350		T2n = FMA(KP923879532, T2i, T2f);
351		}
352		{
353		E T2a, T2k, T2m, T2o;
354		T2a = T1Y * T29;
355		Ip[WS(rs, 5)] = FNMS(T2c, T2j, T2a);
356		T2k = T2c * T29;
357		Im[WS(rs, 5)] = FMA(T1Y, T2j, T2k);
358		T2m = Tw * T2l;
359		Ip[WS(rs, 1)] = FNMS(Tz, T2n, T2m);
360		T2o = Tz * T2l;
361		Im[WS(rs, 1)] = FMA(Tw, T2n, T2o);
362		}
363		}
364		{
365		E T1l, T1E, T1B, T1H;
366		{
367		E TX, T1k, T1x, T1A;
368		TX = FNMS(KP707106781, TW, TL);
369		T1k = T18 - T1j;
370		T1l = FNMS(KP923879532, T1k, TX);
371		T1E = FMA(KP923879532, T1k, TX);
372		T1x = FNMS(KP707106781, T1w, T1t);
373		T1A = T1y - T1z;
374		T1B = FNMS(KP923879532, T1A, T1x);
375		T1H = FMA(KP923879532, T1A, T1x);
376		}
377		{
378		E T1m, T1C, T1F, T1I;
379		T1m = TG * T1l;
380		Ip[WS(rs, 6)] = FNMS(T1o, T1B, T1m);
381		T1C = T1o * T1l;
382		Im[WS(rs, 6)] = FMA(TG, T1B, T1C);
383		T1F = T1D * T1E;
384		Ip[WS(rs, 2)] = FNMS(T1G, T1H, T1F);
385		T1I = T1G * T1E;
386		Im[WS(rs, 2)] = FMA(T1D, T1H, T1I);
387		}
388		}
389		{
390		E T2s, T2A, T2x, T2D;
391		{
392		E T2q, T2r, T2v, T2w;
393		T2q = FMA(KP707106781, T20, T1Z);
394		T2r = T2g + T2h;
395		T2s = FNMS(KP923879532, T2r, T2q);
396		T2A = FMA(KP923879532, T2r, T2q);
397		T2v = FNMS(KP707106781, T2e, T2d);
398		T2w = T27 - T24;
399		T2x = FMA(KP923879532, T2w, T2v);
400		T2D = FNMS(KP923879532, T2w, T2v);
401		}
402		{
403		E T2t, T2y, T2B, T2E;
404		T2t = T2p * T2s;
405		Ip[WS(rs, 3)] = FNMS(T2u, T2x, T2t);
406		T2y = T2p * T2x;
407		Im[WS(rs, 3)] = FMA(T2u, T2s, T2y);
408		T2B = T2z * T2A;
409		Ip[WS(rs, 7)] = FNMS(T2C, T2D, T2B);
410		T2E = T2z * T2D;
411		Im[WS(rs, 7)] = FMA(T2C, T2A, T2E);
412		}
413		}
414		{
415		E T1L, T1R, T1P, T1T;
416		{
417		E T1J, T1K, T1N, T1O;
418		T1J = FMA(KP707106781, TW, TL);
419		T1K = T1y + T1z;
420		T1L = FNMS(KP923879532, T1K, T1J);
421		T1R = FMA(KP923879532, T1K, T1J);
422		T1N = FMA(KP707106781, T1w, T1t);
423		T1O = T1j + T18;
424		T1P = FNMS(KP923879532, T1O, T1N);
425		T1T = FMA(KP923879532, T1O, T1N);
426		}
427		{
428		E T1M, T1Q, T1S, T1U;
429		T1M = TB * T1L;
430		Ip[WS(rs, 4)] = FNMS(TF, T1P, T1M);
431		T1Q = TB * T1P;
432		Im[WS(rs, 4)] = FMA(TF, T1L, T1Q);
433		T1S = Tv * T1R;
434		Ip[0] = FNMS(Ty, T1T, T1S);
435		T1U = Tv * T1T;
436		Im[0] = FMA(Ty, T1R, T1U);
437		}
438		}
439		}
440		}
441		}
442		}
443
444		static const tw_instr twinstr[] = {
445		{ TW_CEXP, 1, 1 },
446		{ TW_CEXP, 1, 3 },
447		{ TW_CEXP, 1, 9 },
448		{ TW_CEXP, 1, 15 },
449		{ TW_NEXT, 1, 0 }
450		};
451
452		static const hc2c_desc desc = { 16, "hc2cb2_16", twinstr, &GENUS, { 104, 42, 92, 0 } };
453
454		void X(codelet_hc2cb2_16) (planner *p) {
455		X(khc2c_register) (p, hc2cb2_16, &desc, HC2C_VIA_RDFT);
456		}
457		#else
458
459		/* Generated by: ../../../genfft/gen_hc2c.native -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 16 -dif -name hc2cb2_16 -include rdft/scalar/hc2cb.h */
460
461		/*
462		* This function contains 196 FP additions, 108 FP multiplications,
463		* (or, 156 additions, 68 multiplications, 40 fused multiply/add),
464		* 80 stack variables, 3 constants, and 64 memory accesses
465		*/
466		#include "rdft/scalar/hc2cb.h"
467
468		static void hc2cb2_16(R Rp, R Ip, R Rm, R Im, const R *W, stride rs, INT mb, INT me, INT ms)
469	0	{
470	0	DK(KP382683432, +0.382683432365089771728459984030398866761344562);
471	0	DK(KP923879532, +0.923879532511286756128183189396788286822416626);
472	0	DK(KP707106781, +0.707106781186547524400844362104849039284835938);
473	0	{
474	0	INT m;
475	0	for (m = mb, W = W + ((mb - 1) * 8); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 8, MAKE_VOLATILE_STRIDE(64, rs)) {
476	0	E Tv, Ty, T1l, T1n, T1p, T1t, T27, T25, Tz, Tw, TB, T21, T1P, T1H, T1X;
477	0	E T17, T1L, T1N, T1v, T1w, T1x, T1B, T2F, T2T, T2b, T2R, T3j, T3x, T35, T3t;
478	0	{
479	0	E TA, T1J, T15, T1G, Tx, T1K, T16, T1F;
480	0	{
481	0	E T1m, T1s, T1o, T1r;
482	0	Tv = W[0];
483	0	Ty = W[1];
484	0	T1l = W[2];
485	0	T1n = W[3];
486	0	T1m = Tv * T1l;
487	0	T1s = Ty * T1l;
488	0	T1o = Ty * T1n;
489	0	T1r = Tv * T1n;
490	0	T1p = T1m + T1o;
491	0	T1t = T1r - T1s;
492	0	T27 = T1r + T1s;
493	0	T25 = T1m - T1o;
494	0	Tz = W[5];
495	0	TA = Ty * Tz;
496	0	T1J = T1l * Tz;
497	0	T15 = Tv * Tz;
498	0	T1G = T1n * Tz;
499	0	Tw = W[4];
500	0	Tx = Tv * Tw;
501	0	T1K = T1n * Tw;
502	0	T16 = Ty * Tw;
503	0	T1F = T1l * Tw;
504	0	}
505	0	TB = Tx - TA;
506	0	T21 = T1J + T1K;
507	0	T1P = T15 - T16;
508	0	T1H = T1F + T1G;
509	0	T1X = T1F - T1G;
510	0	T17 = T15 + T16;
511	0	T1L = T1J - T1K;
512	0	T1N = Tx + TA;
513	0	T1v = W[6];
514	0	T1w = W[7];
515	0	T1x = FMA(Tv, T1v, Ty * T1w);
516	0	T1B = FNMS(Ty, T1v, Tv * T1w);
517	0	{
518	0	E T2D, T2E, T29, T2a;
519	0	T2D = T25 * Tz;
520	0	T2E = T27 * Tw;
521	0	T2F = T2D + T2E;
522	0	T2T = T2D - T2E;
523	0	T29 = T25 * Tw;
524	0	T2a = T27 * Tz;
525	0	T2b = T29 - T2a;
526	0	T2R = T29 + T2a;
527	0	}
528	0	{
529	0	E T3h, T3i, T33, T34;
530	0	T3h = T1p * Tz;
531	0	T3i = T1t * Tw;
532	0	T3j = T3h + T3i;
533	0	T3x = T3h - T3i;
534	0	T33 = T1p * Tw;
535	0	T34 = T1t * Tz;
536	0	T35 = T33 - T34;
537	0	T3t = T33 + T34;
538	0	}
539	0	}
540	0	{
541	0	E T7, T36, T3k, TC, T1f, T2e, T2I, T1Q, Te, TJ, T1R, T18, T2L, T37, T2l;
542	0	E T3l, Tm, T1T, TT, T1h, T2A, T2N, T3b, T3n, Tt, T1U, T12, T1i, T2t, T2O;
543	0	E T3e, T3o;
544	0	{
545	0	E T3, T2c, T1b, T2H, T6, T2G, T1e, T2d;
546	0	{
547	0	E T1, T2, T19, T1a;
548	0	T1 = Rp[0];
549	0	T2 = Rm[WS(rs, 7)];
550	0	T3 = T1 + T2;
551	0	T2c = T1 - T2;
552	0	T19 = Ip[0];
553	0	T1a = Im[WS(rs, 7)];
554	0	T1b = T19 - T1a;
555	0	T2H = T19 + T1a;
556	0	}
557	0	{
558	0	E T4, T5, T1c, T1d;
559	0	T4 = Rp[WS(rs, 4)];
560	0	T5 = Rm[WS(rs, 3)];
561	0	T6 = T4 + T5;
562	0	T2G = T4 - T5;
563	0	T1c = Ip[WS(rs, 4)];
564	0	T1d = Im[WS(rs, 3)];
565	0	T1e = T1c - T1d;
566	0	T2d = T1c + T1d;
567	0	}
568	0	T7 = T3 + T6;
569	0	T36 = T2c + T2d;
570	0	T3k = T2H - T2G;
571	0	TC = T3 - T6;
572	0	T1f = T1b - T1e;
573	0	T2e = T2c - T2d;
574	0	T2I = T2G + T2H;
575	0	T1Q = T1b + T1e;
576	0	}
577	0	{
578	0	E Ta, T2f, TI, T2g, Td, T2i, TF, T2j;
579	0	{
580	0	E T8, T9, TG, TH;
581	0	T8 = Rp[WS(rs, 2)];
582	0	T9 = Rm[WS(rs, 5)];
583	0	Ta = T8 + T9;
584	0	T2f = T8 - T9;
585	0	TG = Ip[WS(rs, 2)];
586	0	TH = Im[WS(rs, 5)];
587	0	TI = TG - TH;
588	0	T2g = TG + TH;
589	0	}
590	0	{
591	0	E Tb, Tc, TD, TE;
592	0	Tb = Rm[WS(rs, 1)];
593	0	Tc = Rp[WS(rs, 6)];
594	0	Td = Tb + Tc;
595	0	T2i = Tb - Tc;
596	0	TD = Ip[WS(rs, 6)];
597	0	TE = Im[WS(rs, 1)];
598	0	TF = TD - TE;
599	0	T2j = TD + TE;
600	0	}
601	0	Te = Ta + Td;
602	0	TJ = TF - TI;
603	0	T1R = TI + TF;
604	0	T18 = Ta - Td;
605	0	{
606	0	E T2J, T2K, T2h, T2k;
607	0	T2J = T2f + T2g;
608	0	T2K = T2i + T2j;
609	0	T2L = KP707106781 * (T2J - T2K);
610	0	T37 = KP707106781 * (T2J + T2K);
611	0	T2h = T2f - T2g;
612	0	T2k = T2i - T2j;
613	0	T2l = KP707106781 * (T2h + T2k);
614	0	T3l = KP707106781 * (T2h - T2k);
615	0	}
616	0	}
617	0	{
618	0	E Ti, T2x, TO, T2v, Tl, T2u, TR, T2y, TL, TS;
619	0	{
620	0	E Tg, Th, TM, TN;
621	0	Tg = Rp[WS(rs, 1)];
622	0	Th = Rm[WS(rs, 6)];
623	0	Ti = Tg + Th;
624	0	T2x = Tg - Th;
625	0	TM = Ip[WS(rs, 1)];
626	0	TN = Im[WS(rs, 6)];
627	0	TO = TM - TN;
628	0	T2v = TM + TN;
629	0	}
630	0	{
631	0	E Tj, Tk, TP, TQ;
632	0	Tj = Rp[WS(rs, 5)];
633	0	Tk = Rm[WS(rs, 2)];
634	0	Tl = Tj + Tk;
635	0	T2u = Tj - Tk;
636	0	TP = Ip[WS(rs, 5)];
637	0	TQ = Im[WS(rs, 2)];
638	0	TR = TP - TQ;
639	0	T2y = TP + TQ;
640	0	}
641	0	Tm = Ti + Tl;
642	0	T1T = TO + TR;
643	0	TL = Ti - Tl;
644	0	TS = TO - TR;
645	0	TT = TL - TS;
646	0	T1h = TL + TS;
647	0	{
648	0	E T2w, T2z, T39, T3a;
649	0	T2w = T2u + T2v;
650	0	T2z = T2x - T2y;
651	0	T2A = FMA(KP923879532, T2w, KP382683432 * T2z);
652	0	T2N = FNMS(KP382683432, T2w, KP923879532 * T2z);
653	0	T39 = T2x + T2y;
654	0	T3a = T2v - T2u;
655	0	T3b = FNMS(KP923879532, T3a, KP382683432 * T39);
656	0	T3n = FMA(KP382683432, T3a, KP923879532 * T39);
657	0	}
658	0	}
659	0	{
660	0	E Tp, T2q, TX, T2o, Ts, T2n, T10, T2r, TU, T11;
661	0	{
662	0	E Tn, To, TV, TW;
663	0	Tn = Rm[0];
664	0	To = Rp[WS(rs, 7)];
665	0	Tp = Tn + To;
666	0	T2q = Tn - To;
667	0	TV = Ip[WS(rs, 7)];
668	0	TW = Im[0];
669	0	TX = TV - TW;
670	0	T2o = TV + TW;
671	0	}
672	0	{
673	0	E Tq, Tr, TY, TZ;
674	0	Tq = Rp[WS(rs, 3)];
675	0	Tr = Rm[WS(rs, 4)];
676	0	Ts = Tq + Tr;
677	0	T2n = Tq - Tr;
678	0	TY = Ip[WS(rs, 3)];
679	0	TZ = Im[WS(rs, 4)];
680	0	T10 = TY - TZ;
681	0	T2r = TY + TZ;
682	0	}
683	0	Tt = Tp + Ts;
684	0	T1U = TX + T10;
685	0	TU = Tp - Ts;
686	0	T11 = TX - T10;
687	0	T12 = TU + T11;
688	0	T1i = T11 - TU;
689	0	{
690	0	E T2p, T2s, T3c, T3d;
691	0	T2p = T2n - T2o;
692	0	T2s = T2q - T2r;
693	0	T2t = FNMS(KP382683432, T2s, KP923879532 * T2p);
694	0	T2O = FMA(KP382683432, T2p, KP923879532 * T2s);
695	0	T3c = T2q + T2r;
696	0	T3d = T2n + T2o;
697	0	T3e = FNMS(KP923879532, T3d, KP382683432 * T3c);
698	0	T3o = FMA(KP382683432, T3d, KP923879532 * T3c);
699	0	}
700	0	}
701	0	{
702	0	E Tf, Tu, T1O, T1S, T1V, T1W;
703	0	Tf = T7 + Te;
704	0	Tu = Tm + Tt;
705	0	T1O = Tf - Tu;
706	0	T1S = T1Q + T1R;
707	0	T1V = T1T + T1U;
708	0	T1W = T1S - T1V;
709	0	Rp[0] = Tf + Tu;
710	0	Rm[0] = T1S + T1V;
711	0	Rp[WS(rs, 4)] = FNMS(T1P, T1W, T1N * T1O);
712	0	Rm[WS(rs, 4)] = FMA(T1P, T1O, T1N * T1W);
713	0	}
714	0	{
715	0	E T3g, T3r, T3q, T3s;
716	0	{
717	0	E T38, T3f, T3m, T3p;
718	0	T38 = T36 - T37;
719	0	T3f = T3b + T3e;
720	0	T3g = T38 - T3f;
721	0	T3r = T38 + T3f;
722	0	T3m = T3k + T3l;
723	0	T3p = T3n - T3o;
724	0	T3q = T3m - T3p;
725	0	T3s = T3m + T3p;
726	0	}
727	0	Ip[WS(rs, 5)] = FNMS(T3j, T3q, T35 * T3g);
728	0	Im[WS(rs, 5)] = FMA(T3j, T3g, T35 * T3q);
729	0	Ip[WS(rs, 1)] = FNMS(T1n, T3s, T1l * T3r);
730	0	Im[WS(rs, 1)] = FMA(T1n, T3r, T1l * T3s);
731	0	}
732	0	{
733	0	E T3w, T3B, T3A, T3C;
734	0	{
735	0	E T3u, T3v, T3y, T3z;
736	0	T3u = T36 + T37;
737	0	T3v = T3n + T3o;
738	0	T3w = T3u - T3v;
739	0	T3B = T3u + T3v;
740	0	T3y = T3k - T3l;
741	0	T3z = T3b - T3e;
742	0	T3A = T3y + T3z;
743	0	T3C = T3y - T3z;
744	0	}
745	0	Ip[WS(rs, 3)] = FNMS(T3x, T3A, T3t * T3w);
746	0	Im[WS(rs, 3)] = FMA(T3t, T3A, T3x * T3w);
747	0	Ip[WS(rs, 7)] = FNMS(T1w, T3C, T1v * T3B);
748	0	Im[WS(rs, 7)] = FMA(T1v, T3C, T1w * T3B);
749	0	}
750	0	{
751	0	E T14, T1q, T1k, T1u;
752	0	{
753	0	E TK, T13, T1g, T1j;
754	0	TK = TC + TJ;
755	0	T13 = KP707106781 * (TT + T12);
756	0	T14 = TK - T13;
757	0	T1q = TK + T13;
758	0	T1g = T18 + T1f;
759	0	T1j = KP707106781 * (T1h + T1i);
760	0	T1k = T1g - T1j;
761	0	T1u = T1g + T1j;
762	0	}
763	0	Rp[WS(rs, 5)] = FNMS(T17, T1k, TB * T14);
764	0	Rm[WS(rs, 5)] = FMA(T17, T14, TB * T1k);
765	0	Rp[WS(rs, 1)] = FNMS(T1t, T1u, T1p * T1q);
766	0	Rm[WS(rs, 1)] = FMA(T1t, T1q, T1p * T1u);
767	0	}
768	0	{
769	0	E T1A, T1I, T1E, T1M;
770	0	{
771	0	E T1y, T1z, T1C, T1D;
772	0	T1y = TC - TJ;
773	0	T1z = KP707106781 * (T1i - T1h);
774	0	T1A = T1y - T1z;
775	0	T1I = T1y + T1z;
776	0	T1C = T1f - T18;
777	0	T1D = KP707106781 * (TT - T12);
778	0	T1E = T1C - T1D;
779	0	T1M = T1C + T1D;
780	0	}
781	0	Rp[WS(rs, 7)] = FNMS(T1B, T1E, T1x * T1A);
782	0	Rm[WS(rs, 7)] = FMA(T1x, T1E, T1B * T1A);
783	0	Rp[WS(rs, 3)] = FNMS(T1L, T1M, T1H * T1I);
784	0	Rm[WS(rs, 3)] = FMA(T1H, T1M, T1L * T1I);
785	0	}
786	0	{
787	0	E T2C, T2S, T2Q, T2U;
788	0	{
789	0	E T2m, T2B, T2M, T2P;
790	0	T2m = T2e - T2l;
791	0	T2B = T2t - T2A;
792	0	T2C = T2m - T2B;
793	0	T2S = T2m + T2B;
794	0	T2M = T2I - T2L;
795	0	T2P = T2N - T2O;
796	0	T2Q = T2M - T2P;
797	0	T2U = T2M + T2P;
798	0	}
799	0	Ip[WS(rs, 6)] = FNMS(T2F, T2Q, T2b * T2C);
800	0	Im[WS(rs, 6)] = FMA(T2F, T2C, T2b * T2Q);
801	0	Ip[WS(rs, 2)] = FNMS(T2T, T2U, T2R * T2S);
802	0	Im[WS(rs, 2)] = FMA(T2T, T2S, T2R * T2U);
803	0	}
804	0	{
805	0	E T2X, T31, T30, T32;
806	0	{
807	0	E T2V, T2W, T2Y, T2Z;
808	0	T2V = T2e + T2l;
809	0	T2W = T2N + T2O;
810	0	T2X = T2V - T2W;
811	0	T31 = T2V + T2W;
812	0	T2Y = T2I + T2L;
813	0	T2Z = T2A + T2t;
814	0	T30 = T2Y - T2Z;
815	0	T32 = T2Y + T2Z;
816	0	}
817	0	Ip[WS(rs, 4)] = FNMS(Tz, T30, Tw * T2X);
818	0	Im[WS(rs, 4)] = FMA(Tw, T30, Tz * T2X);
819	0	Ip[0] = FNMS(Ty, T32, Tv * T31);
820	0	Im[0] = FMA(Tv, T32, Ty * T31);
821	0	}
822	0	{
823	0	E T20, T26, T24, T28;
824	0	{
825	0	E T1Y, T1Z, T22, T23;
826	0	T1Y = T7 - Te;
827	0	T1Z = T1U - T1T;
828	0	T20 = T1Y - T1Z;
829	0	T26 = T1Y + T1Z;
830	0	T22 = T1Q - T1R;
831	0	T23 = Tm - Tt;
832	0	T24 = T22 - T23;
833	0	T28 = T23 + T22;
834	0	}
835	0	Rp[WS(rs, 6)] = FNMS(T21, T24, T1X * T20);
836	0	Rm[WS(rs, 6)] = FMA(T1X, T24, T21 * T20);
837	0	Rp[WS(rs, 2)] = FNMS(T27, T28, T25 * T26);
838	0	Rm[WS(rs, 2)] = FMA(T25, T28, T27 * T26);
839	0	}
840	0	}
841	0	}
842	0	}
843	0	}
844
845		static const tw_instr twinstr[] = {
846		{ TW_CEXP, 1, 1 },
847		{ TW_CEXP, 1, 3 },
848		{ TW_CEXP, 1, 9 },
849		{ TW_CEXP, 1, 15 },
850		{ TW_NEXT, 1, 0 }
851		};
852
853		static const hc2c_desc desc = { 16, "hc2cb2_16", twinstr, &GENUS, { 156, 68, 40, 0 } };
854
855	1	void X(codelet_hc2cb2_16) (planner *p) {
856	1	X(khc2c_register) (p, hc2cb2_16, &desc, HC2C_VIA_RDFT);
857	1	}
858		#endif