hc2cfdft_32.c

这是一个完整的使用C语言编写的对数值信号进行FFT变换的程序

			 E T16, T1a, T3U, T3W;
			 T16 = W[42];
			 T1a = W[43];
			 T1e = FNMS(T1a, T1d, T16 * T19);
			 T4t = FMA(T16, T1d, T1a * T19);
			 T3U = W[44];
			 T3W = W[45];
			 T3Y = FMA(T3U, T3V, T3W * T3X);
			 T4L = FNMS(T3W, T3V, T3U * T3X);
		    }
	       }
	       {
		    E TQ, T3M, TU, T3K;
		    {
			 E TO, TP, TS, TT;
			 TO = Ip[WS(rs, 7)];
			 TP = Im[WS(rs, 7)];
			 TQ = TO - TP;
			 T3M = TO + TP;
			 TS = Rp[WS(rs, 7)];
			 TT = Rm[WS(rs, 7)];
			 TU = TS + TT;
			 T3K = TS - TT;
		    }
		    {
			 E TN, TR, T3J, T3L;
			 TN = W[26];
			 TR = W[27];
			 TV = FNMS(TR, TU, TN * TQ);
			 T4q = FMA(TN, TU, TR * TQ);
			 T3J = W[28];
			 T3L = W[29];
			 T3N = FMA(T3J, T3K, T3L * T3M);
			 T4I = FNMS(T3L, T3K, T3J * T3M);
		    }
	       }
	       {
		    E T10, T3S, T14, T3Q;
		    {
			 E TY, TZ, T12, T13;
			 TY = Ip[WS(rs, 3)];
			 TZ = Im[WS(rs, 3)];
			 T10 = TY - TZ;
			 T3S = TY + TZ;
			 T12 = Rp[WS(rs, 3)];
			 T13 = Rm[WS(rs, 3)];
			 T14 = T12 + T13;
			 T3Q = T12 - T13;
		    }
		    {
			 E TX, T11, T3P, T3R;
			 TX = W[10];
			 T11 = W[11];
			 T15 = FNMS(T11, T14, TX * T10);
			 T4s = FMA(TX, T14, T11 * T10);
			 T3P = W[12];
			 T3R = W[13];
			 T3T = FMA(T3P, T3Q, T3R * T3S);
			 T4K = FNMS(T3R, T3Q, T3P * T3S);
		    }
	       }
	       TW = TM + TV;
	       T1f = T15 + T1e;
	       T5v = TW - T1f;
	       T4r = T4p + T4q;
	       T4u = T4s + T4t;
	       T5u = T4r - T4u;
	       {
		    E T3O, T3Z, T74, T75;
		    T3O = T3I + T3N;
		    T3Z = T3T + T3Y;
		    T40 = T3O + T3Z;
		    T5G = T3Z - T3O;
		    T74 = T4H - T4I;
		    T75 = T3Y - T3T;
		    T76 = T74 + T75;
		    T8k = T74 - T75;
	       }
	       {
		    E T4J, T4M, T6z, T6A;
		    T4J = T4H + T4I;
		    T4M = T4K + T4L;
		    T4N = T4J + T4M;
		    T5D = T4J - T4M;
		    T6z = T4p - T4q;
		    T6A = T15 - T1e;
		    T6B = T6z + T6A;
		    T89 = T6z - T6A;
	       }
	       {
		    E T6X, T6Y, T6w, T6x;
		    T6X = T3N - T3I;
		    T6Y = T4K - T4L;
		    T6Z = T6X - T6Y;
		    T8h = T6X + T6Y;
		    T6w = TM - TV;
		    T6x = T4s - T4t;
		    T6y = T6w - T6x;
		    T88 = T6w + T6x;
	       }
	  }
	  {
	       E T1h, T5i, T5c, T5m, T5f, T5n, T2s, T58, T42, T4y, T4w, T57, T54, T56, T4h;
	       E T5h;
	       {
		    E TD, T1g, T5a, T5b;
		    TD = Tj + TC;
		    T1g = TW + T1f;
		    T1h = TD + T1g;
		    T5i = TD - T1g;
		    T5a = T4N - T4G;
		    T5b = T3D - T40;
		    T5c = T5a + T5b;
		    T5m = T5a - T5b;
	       }
	       {
		    E T5d, T5e, T1U, T2r;
		    T5d = T3f + T2S;
		    T5e = T52 - T4V;
		    T5f = T5d - T5e;
		    T5n = T5d + T5e;
		    T1U = T1A + T1T;
		    T2r = T2d + T2q;
		    T2s = T1U + T2r;
		    T58 = T2r - T1U;
	       }
	       {
		    E T3g, T41, T4o, T4v;
		    T3g = T2S - T3f;
		    T41 = T3D + T40;
		    T42 = T3g - T41;
		    T4y = T41 + T3g;
		    T4o = T4k + T4n;
		    T4v = T4r + T4u;
		    T4w = T4o + T4v;
		    T57 = T4v - T4o;
	       }
	       {
		    E T4O, T53, T49, T4g;
		    T4O = T4G + T4N;
		    T53 = T4V + T52;
		    T54 = T4O - T53;
		    T56 = T4O + T53;
		    T49 = T45 + T48;
		    T4g = T4c + T4f;
		    T4h = T49 + T4g;
		    T5h = T49 - T4g;
	       }
	       {
		    E T2t, T55, T4x, T4z;
		    T2t = T1h + T2s;
		    Ip[0] = KP500000000 * (T2t + T42);
		    Im[WS(rs, 15)] = KP500000000 * (T42 - T2t);
		    T55 = T4h + T4w;
		    Rm[WS(rs, 15)] = KP500000000 * (T55 - T56);
		    Rp[0] = KP500000000 * (T55 + T56);
		    T4x = T4h - T4w;
		    Rm[WS(rs, 7)] = KP500000000 * (T4x - T4y);
		    Rp[WS(rs, 8)] = KP500000000 * (T4x + T4y);
		    T4z = T2s - T1h;
		    Ip[WS(rs, 8)] = KP500000000 * (T4z + T54);
		    Im[WS(rs, 7)] = KP500000000 * (T54 - T4z);
	       }
	       {
		    E T59, T5g, T5p, T5q;
		    T59 = KP500000000 * (T57 + T58);
		    T5g = KP353553390 * (T5c + T5f);
		    Ip[WS(rs, 4)] = T59 + T5g;
		    Im[WS(rs, 11)] = T5g - T59;
		    T5p = KP500000000 * (T5h + T5i);
		    T5q = KP353553390 * (T5m + T5n);
		    Rm[WS(rs, 11)] = T5p - T5q;
		    Rp[WS(rs, 4)] = T5p + T5q;
	       }
	       {
		    E T5j, T5k, T5l, T5o;
		    T5j = KP500000000 * (T5h - T5i);
		    T5k = KP353553390 * (T5f - T5c);
		    Rm[WS(rs, 3)] = T5j - T5k;
		    Rp[WS(rs, 12)] = T5j + T5k;
		    T5l = KP500000000 * (T58 - T57);
		    T5o = KP353553390 * (T5m - T5n);
		    Ip[WS(rs, 12)] = T5l + T5o;
		    Im[WS(rs, 3)] = T5o - T5l;
	       }
	  }
	  {
	       E T5x, T6g, T6a, T6k, T6d, T6l, T5A, T66, T5I, T60, T5T, T6f, T5W, T65, T5P;
	       E T61;
	       {
		    E T5t, T5w, T68, T69;
		    T5t = T5r - T5s;
		    T5w = T5u + T5v;
		    T5x = KP353553390 * (T5t + T5w);
		    T6g = KP353553390 * (T5t - T5w);
		    T68 = T5D - T5C;
		    T69 = T5G - T5F;
		    T6a = FMA(KP461939766, T68, KP191341716 * T69);
		    T6k = FNMS(KP461939766, T69, KP191341716 * T68);
	       }
	       {
		    E T6b, T6c, T5y, T5z;
		    T6b = T5K - T5J;
		    T6c = T5N - T5M;
		    T6d = FNMS(KP461939766, T6c, KP191341716 * T6b);
		    T6l = FMA(KP461939766, T6b, KP191341716 * T6c);
		    T5y = T4f - T4c;
		    T5z = T2q - T2d;
		    T5A = KP500000000 * (T5y + T5z);
		    T66 = KP500000000 * (T5z - T5y);
	       }
	       {
		    E T5E, T5H, T5R, T5S;
		    T5E = T5C + T5D;
		    T5H = T5F + T5G;
		    T5I = FMA(KP191341716, T5E, KP461939766 * T5H);
		    T60 = FNMS(KP191341716, T5H, KP461939766 * T5E);
		    T5R = T45 - T48;
		    T5S = T1A - T1T;
		    T5T = KP500000000 * (T5R + T5S);
		    T6f = KP500000000 * (T5R - T5S);
	       }
	       {
		    E T5U, T5V, T5L, T5O;
		    T5U = T5s + T5r;
		    T5V = T5u - T5v;
		    T5W = KP353553390 * (T5U + T5V);
		    T65 = KP353553390 * (T5V - T5U);
		    T5L = T5J + T5K;
		    T5O = T5M + T5N;
		    T5P = FNMS(KP191341716, T5O, KP461939766 * T5L);
		    T61 = FMA(KP191341716, T5L, KP461939766 * T5O);
	       }
	       {
		    E T5B, T5Q, T63, T64;
		    T5B = T5x + T5A;
		    T5Q = T5I + T5P;
		    Ip[WS(rs, 2)] = T5B + T5Q;
		    Im[WS(rs, 13)] = T5Q - T5B;
		    T63 = T5T + T5W;
		    T64 = T60 + T61;
		    Rm[WS(rs, 13)] = T63 - T64;
		    Rp[WS(rs, 2)] = T63 + T64;
	       }
	       {
		    E T5X, T5Y, T5Z, T62;
		    T5X = T5T - T5W;
		    T5Y = T5P - T5I;
		    Rm[WS(rs, 5)] = T5X - T5Y;
		    Rp[WS(rs, 10)] = T5X + T5Y;
		    T5Z = T5A - T5x;
		    T62 = T60 - T61;
		    Ip[WS(rs, 10)] = T5Z + T62;
		    Im[WS(rs, 5)] = T62 - T5Z;
	       }
	       {
		    E T67, T6e, T6n, T6o;
		    T67 = T65 + T66;
		    T6e = T6a + T6d;
		    Ip[WS(rs, 6)] = T67 + T6e;
		    Im[WS(rs, 9)] = T6e - T67;
		    T6n = T6f + T6g;
		    T6o = T6k + T6l;
		    Rm[WS(rs, 9)] = T6n - T6o;
		    Rp[WS(rs, 6)] = T6n + T6o;
	       }
	       {
		    E T6h, T6i, T6j, T6m;
		    T6h = T6f - T6g;
		    T6i = T6d - T6a;
		    Rm[WS(rs, 1)] = T6h - T6i;
		    Rp[WS(rs, 14)] = T6h + T6i;
		    T6j = T66 - T65;
		    T6m = T6k - T6l;
		    Ip[WS(rs, 14)] = T6j + T6m;
		    Im[WS(rs, 1)] = T6m - T6j;
	       }
	  }
	  {
	       E T6D, T7W, T6O, T7M, T7C, T7L, T7z, T7V, T7r, T81, T7H, T7T, T78, T80, T7G;
	       E T7Q;
	       {
		    E T6v, T6C, T7v, T7y;
		    T6v = FNMS(KP191341716, T6u, KP461939766 * T6r);
		    T6C = FMA(KP461939766, T6y, KP191341716 * T6B);
		    T6D = T6v + T6C;
		    T7W = T6v - T6C;
		    {
			 E T6K, T6N, T7A, T7B;
			 T6K = KP353553390 * (T6G + T6J);
			 T6N = KP500000000 * (T6L - T6M);
			 T6O = T6K + T6N;
			 T7M = T6N - T6K;
			 T7A = FMA(KP191341716, T6r, KP461939766 * T6u);
			 T7B = FNMS(KP191341716, T6y, KP461939766 * T6B);
			 T7C = T7A + T7B;
			 T7L = T7B - T7A;
		    }
		    T7v = KP500000000 * (T7t + T7u);
		    T7y = KP353553390 * (T7w + T7x);
		    T7z = T7v + T7y;
		    T7V = T7v - T7y;
		    {
			 E T7j, T7R, T7q, T7S, T7f, T7m;
			 T7f = KP707106781 * (T7b + T7e);
			 T7j = T7f + T7i;
			 T7R = T7i - T7f;
			 T7m = KP707106781 * (T7k + T7l);
			 T7q = T7m + T7p;
			 T7S = T7p - T7m;
			 T7r = FNMS(KP097545161, T7q, KP490392640 * T7j);
			 T81 = FMA(KP415734806, T7R, KP277785116 * T7S);
			 T7H = FMA(KP097545161, T7j, KP490392640 * T7q);
			 T7T = FNMS(KP415734806, T7S, KP277785116 * T7R);
		    }
		    {
			 E T70, T7O, T77, T7P, T6W, T73;
			 T6W = KP707106781 * (T6S + T6V);
			 T70 = T6W + T6Z;
			 T7O = T6Z - T6W;
			 T73 = KP707106781 * (T71 + T72);
			 T77 = T73 + T76;
			 T7P = T76 - T73;
			 T78 = FMA(KP490392640, T70, KP097545161 * T77);
			 T80 = FNMS(KP415734806, T7O, KP277785116 * T7P);
			 T7G = FNMS(KP097545161, T70, KP490392640 * T77);
			 T7Q = FMA(KP277785116, T7O, KP415734806 * T7P);
		    }
	       }
	       {
		    E T6P, T7s, T7J, T7K;
		    T6P = T6D + T6O;
		    T7s = T78 + T7r;
		    Ip[WS(rs, 1)] = T6P + T7s;
		    Im[WS(rs, 14)] = T7s - T6P;
		    T7J = T7z + T7C;
		    T7K = T7G + T7H;
		    Rm[WS(rs, 14)] = T7J - T7K;
		    Rp[WS(rs, 1)] = T7J + T7K;
	       }
	       {
		    E T7D, T7E, T7F, T7I;
		    T7D = T7z - T7C;
		    T7E = T7r - T78;
		    Rm[WS(rs, 6)] = T7D - T7E;
		    Rp[WS(rs, 9)] = T7D + T7E;
		    T7F = T6O - T6D;
		    T7I = T7G - T7H;
		    Ip[WS(rs, 9)] = T7F + T7I;
		    Im[WS(rs, 6)] = T7I - T7F;
	       }
	       {
		    E T7N, T7U, T83, T84;
		    T7N = T7L + T7M;
		    T7U = T7Q + T7T;
		    Ip[WS(rs, 5)] = T7N + T7U;
		    Im[WS(rs, 10)] = T7U - T7N;
		    T83 = T7V + T7W;
		    T84 = T80 + T81;
		    Rm[WS(rs, 10)] = T83 - T84;
		    Rp[WS(rs, 5)] = T83 + T84;
	       }
	       {
		    E T7X, T7Y, T7Z, T82;
		    T7X = T7V - T7W;
		    T7Y = T7T - T7Q;
		    Rm[WS(rs, 2)] = T7X - T7Y;
		    Rp[WS(rs, 13)] = T7X + T7Y;
		    T7Z = T7M - T7L;
		    T82 = T80 - T81;
		    Ip[WS(rs, 13)] = T7Z + T82;
		    Im[WS(rs, 2)] = T82 - T7Z;
	       }
	  }
	  {
	       E T8b, T8U, T8e, T8K, T8A, T8J, T8x, T8T, T8t, T8Z, T8F, T8R, T8m, T8Y, T8E;
	       E T8O;
	       {
		    E T87, T8a, T8v, T8w;
		    T87 = FNMS(KP461939766, T86, KP191341716 * T85);
		    T8a = FMA(KP191341716, T88, KP461939766 * T89);
		    T8b = T87 + T8a;
		    T8U = T87 - T8a;
		    {
			 E T8c, T8d, T8y, T8z;
			 T8c = KP353553390 * (T7x - T7w);
			 T8d = KP500000000 * (T6M + T6L);
			 T8e = T8c + T8d;
			 T8K = T8d - T8c;
			 T8y = FMA(KP461939766, T85, KP191341716 * T86);
			 T8z = FNMS(KP461939766, T88, KP191341716 * T89);
			 T8A = T8y + T8z;
			 T8J = T8z - T8y;
		    }
		    T8v = KP500000000 * (T7t - T7u);
		    T8w = KP353553390 * (T6G - T6J);
		    T8x = T8v + T8w;
		    T8T = T8v - T8w;
		    {
			 E T8p, T8P, T8s, T8Q, T8n, T8q;
			 T8n = KP707106781 * (T7l - T7k);
			 T8p = T8n + T8o;
			 T8P = T8o - T8n;
			 T8q = KP707106781 * (T7b - T7e);
			 T8s = T8q + T8r;
			 T8Q = T8r - T8q;
			 T8t = FNMS(KP277785116, T8s, KP415734806 * T8p);
			 T8Z = FMA(KP490392640, T8P, KP097545161 * T8Q);
			 T8F = FMA(KP277785116, T8p, KP415734806 * T8s);
			 T8R = FNMS(KP490392640, T8Q, KP097545161 * T8P);
		    }
		    {
			 E T8i, T8M, T8l, T8N, T8g, T8j;
			 T8g = KP707106781 * (T72 - T71);
			 T8i = T8g + T8h;
			 T8M = T8h - T8g;
			 T8j = KP707106781 * (T6S - T6V);
			 T8l = T8j + T8k;
			 T8N = T8k - T8j;
			 T8m = FMA(KP415734806, T8i, KP277785116 * T8l);
			 T8Y = FNMS(KP490392640, T8M, KP097545161 * T8N);
			 T8E = FNMS(KP277785116, T8i, KP415734806 * T8l);
			 T8O = FMA(KP097545161, T8M, KP490392640 * T8N);
		    }
	       }
	       {
		    E T8f, T8u, T8H, T8I;
		    T8f = T8b + T8e;
		    T8u = T8m + T8t;
		    Ip[WS(rs, 3)] = T8f + T8u;
		    Im[WS(rs, 12)] = T8u - T8f;
		    T8H = T8x + T8A;
		    T8I = T8E + T8F;
		    Rm[WS(rs, 12)] = T8H - T8I;
		    Rp[WS(rs, 3)] = T8H + T8I;
	       }
	       {
		    E T8B, T8C, T8D, T8G;
		    T8B = T8x - T8A;
		    T8C = T8t - T8m;
		    Rm[WS(rs, 4)] = T8B - T8C;
		    Rp[WS(rs, 11)] = T8B + T8C;
		    T8D = T8e - T8b;
		    T8G = T8E - T8F;
		    Ip[WS(rs, 11)] = T8D + T8G;
		    Im[WS(rs, 4)] = T8G - T8D;
	       }
	       {
		    E T8L, T8S, T91, T92;
		    T8L = T8J + T8K;
		    T8S = T8O + T8R;
		    Ip[WS(rs, 7)] = T8L + T8S;
		    Im[WS(rs, 8)] = T8S - T8L;
		    T91 = T8T + T8U;
		    T92 = T8Y + T8Z;
		    Rm[WS(rs, 8)] = T91 - T92;
		    Rp[WS(rs, 7)] = T91 + T92;
	       }
	       {
		    E T8V, T8W, T8X, T90;
		    T8V = T8T - T8U;
		    T8W = T8R - T8O;
		    Rm[0] = T8V - T8W;
		    Rp[WS(rs, 15)] = T8V + T8W;
		    T8X = T8K - T8J;
		    T90 = T8Y - T8Z;
		    Ip[WS(rs, 15)] = T8X + T90;
		    Im[0] = T90 - T8X;
	       }
	  }
     }
}

static const tw_instr twinstr[] = {
     {TW_FULL, 1, 32},
     {TW_NEXT, 1, 0}
};

static const hc2c_desc desc = { 32, "hc2cfdft_32", twinstr, &GENUS, {404, 134, 94, 0} };

void X(codelet_hc2cfdft_32) (planner *p) {
     X(khc2c_register) (p, hc2cfdft_32, &desc, HC2C_VIA_DFT);
}
#endif				/* HAVE_FMA */