plm_audio_idct36()

void fl::third_party::plm_audio_idct36	(	int	s[32][3],
		int	ss,
		float *	d,
		int	dp )

Definition at line 3640 of file pl_mpeg.hpp.

                                                                          {
    float t01, t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t12,
        t13, t14, t15, t16, t17, t18, t19, t20, t21, t22, t23, t24,
        t25, t26, t27, t28, t29, t30, t31, t32, t33;
 
    t01 = (float)(s[0][ss] + s[31][ss]); t02 = (float)(s[0][ss] - s[31][ss]) * 0.500602998235f;
    t03 = (float)(s[1][ss] + s[30][ss]); t04 = (float)(s[1][ss] - s[30][ss]) * 0.505470959898f;
    t05 = (float)(s[2][ss] + s[29][ss]); t06 = (float)(s[2][ss] - s[29][ss]) * 0.515447309923f;
    t07 = (float)(s[3][ss] + s[28][ss]); t08 = (float)(s[3][ss] - s[28][ss]) * 0.53104259109f;
    t09 = (float)(s[4][ss] + s[27][ss]); t10 = (float)(s[4][ss] - s[27][ss]) * 0.553103896034f;
    t11 = (float)(s[5][ss] + s[26][ss]); t12 = (float)(s[5][ss] - s[26][ss]) * 0.582934968206f;
    t13 = (float)(s[6][ss] + s[25][ss]); t14 = (float)(s[6][ss] - s[25][ss]) * 0.622504123036f;
    t15 = (float)(s[7][ss] + s[24][ss]); t16 = (float)(s[7][ss] - s[24][ss]) * 0.674808341455f;
    t17 = (float)(s[8][ss] + s[23][ss]); t18 = (float)(s[8][ss] - s[23][ss]) * 0.744536271002f;
    t19 = (float)(s[9][ss] + s[22][ss]); t20 = (float)(s[9][ss] - s[22][ss]) * 0.839349645416f;
    t21 = (float)(s[10][ss] + s[21][ss]); t22 = (float)(s[10][ss] - s[21][ss]) * 0.972568237862f;
    t23 = (float)(s[11][ss] + s[20][ss]); t24 = (float)(s[11][ss] - s[20][ss]) * 1.16943993343f;
    t25 = (float)(s[12][ss] + s[19][ss]); t26 = (float)(s[12][ss] - s[19][ss]) * 1.48416461631f;
    t27 = (float)(s[13][ss] + s[18][ss]); t28 = (float)(s[13][ss] - s[18][ss]) * 2.05778100995f;
    t29 = (float)(s[14][ss] + s[17][ss]); t30 = (float)(s[14][ss] - s[17][ss]) * 3.40760841847f;
    t31 = (float)(s[15][ss] + s[16][ss]); t32 = (float)(s[15][ss] - s[16][ss]) * 10.1900081235f;
 
    t33 = t01 + t31; t31 = (t01 - t31) * 0.502419286188f;
    t01 = t03 + t29; t29 = (t03 - t29) * 0.52249861494f;
    t03 = t05 + t27; t27 = (t05 - t27) * 0.566944034816f;
    t05 = t07 + t25; t25 = (t07 - t25) * 0.64682178336f;
    t07 = t09 + t23; t23 = (t09 - t23) * 0.788154623451f;
    t09 = t11 + t21; t21 = (t11 - t21) * 1.06067768599f;
    t11 = t13 + t19; t19 = (t13 - t19) * 1.72244709824f;
    t13 = t15 + t17; t17 = (t15 - t17) * 5.10114861869f;
    t15 = t33 + t13; t13 = (t33 - t13) * 0.509795579104f;
    t33 = t01 + t11; t01 = (t01 - t11) * 0.601344886935f;
    t11 = t03 + t09; t09 = (t03 - t09) * 0.899976223136f;
    t03 = t05 + t07; t07 = (t05 - t07) * 2.56291544774f;
    t05 = t15 + t03; t15 = (t15 - t03) * 0.541196100146f;
    t03 = t33 + t11; t11 = (t33 - t11) * 1.30656296488f;
    t33 = t05 + t03; t05 = (t05 - t03) * 0.707106781187f;
    t03 = t15 + t11; t15 = (t15 - t11) * 0.707106781187f;
    t03 += t15;
    t11 = t13 + t07; t13 = (t13 - t07) * 0.541196100146f;
    t07 = t01 + t09; t09 = (t01 - t09) * 1.30656296488f;
    t01 = t11 + t07; t07 = (t11 - t07) * 0.707106781187f;
    t11 = t13 + t09; t13 = (t13 - t09) * 0.707106781187f;
    t11 += t13; t01 += t11;
    t11 += t07; t07 += t13;
    t09 = t31 + t17; t31 = (t31 - t17) * 0.509795579104f;
    t17 = t29 + t19; t29 = (t29 - t19) * 0.601344886935f;
    t19 = t27 + t21; t21 = (t27 - t21) * 0.899976223136f;
    t27 = t25 + t23; t23 = (t25 - t23) * 2.56291544774f;
    t25 = t09 + t27; t09 = (t09 - t27) * 0.541196100146f;
    t27 = t17 + t19; t19 = (t17 - t19) * 1.30656296488f;
    t17 = t25 + t27; t27 = (t25 - t27) * 0.707106781187f;
    t25 = t09 + t19; t19 = (t09 - t19) * 0.707106781187f;
    t25 += t19;
    t09 = t31 + t23; t31 = (t31 - t23) * 0.541196100146f;
    t23 = t29 + t21; t21 = (t29 - t21) * 1.30656296488f;
    t29 = t09 + t23; t23 = (t09 - t23) * 0.707106781187f;
    t09 = t31 + t21; t31 = (t31 - t21) * 0.707106781187f;
    t09 += t31; t29 += t09; t09 += t23; t23 += t31;
    t17 += t29; t29 += t25; t25 += t09; t09 += t27;
    t27 += t23; t23 += t19; t19 += t31;
    t21 = t02 + t32; t02 = (t02 - t32) * 0.502419286188f;
    t32 = t04 + t30; t04 = (t04 - t30) * 0.52249861494f;
    t30 = t06 + t28; t28 = (t06 - t28) * 0.566944034816f;
    t06 = t08 + t26; t08 = (t08 - t26) * 0.64682178336f;
    t26 = t10 + t24; t10 = (t10 - t24) * 0.788154623451f;
    t24 = t12 + t22; t22 = (t12 - t22) * 1.06067768599f;
    t12 = t14 + t20; t20 = (t14 - t20) * 1.72244709824f;
    t14 = t16 + t18; t16 = (t16 - t18) * 5.10114861869f;
    t18 = t21 + t14; t14 = (t21 - t14) * 0.509795579104f;
    t21 = t32 + t12; t32 = (t32 - t12) * 0.601344886935f;
    t12 = t30 + t24; t24 = (t30 - t24) * 0.899976223136f;
    t30 = t06 + t26; t26 = (t06 - t26) * 2.56291544774f;
    t06 = t18 + t30; t18 = (t18 - t30) * 0.541196100146f;
    t30 = t21 + t12; t12 = (t21 - t12) * 1.30656296488f;
    t21 = t06 + t30; t30 = (t06 - t30) * 0.707106781187f;
    t06 = t18 + t12; t12 = (t18 - t12) * 0.707106781187f;
    t06 += t12;
    t18 = t14 + t26; t26 = (t14 - t26) * 0.541196100146f;
    t14 = t32 + t24; t24 = (t32 - t24) * 1.30656296488f;
    t32 = t18 + t14; t14 = (t18 - t14) * 0.707106781187f;
    t18 = t26 + t24; t24 = (t26 - t24) * 0.707106781187f;
    t18 += t24; t32 += t18;
    t18 += t14; t26 = t14 + t24;
    t14 = t02 + t16; t02 = (t02 - t16) * 0.509795579104f;
    t16 = t04 + t20; t04 = (t04 - t20) * 0.601344886935f;
    t20 = t28 + t22; t22 = (t28 - t22) * 0.899976223136f;
    t28 = t08 + t10; t10 = (t08 - t10) * 2.56291544774f;
    t08 = t14 + t28; t14 = (t14 - t28) * 0.541196100146f;
    t28 = t16 + t20; t20 = (t16 - t20) * 1.30656296488f;
    t16 = t08 + t28; t28 = (t08 - t28) * 0.707106781187f;
    t08 = t14 + t20; t20 = (t14 - t20) * 0.707106781187f;
    t08 += t20;
    t14 = t02 + t10; t02 = (t02 - t10) * 0.541196100146f;
    t10 = t04 + t22; t22 = (t04 - t22) * 1.30656296488f;
    t04 = t14 + t10; t10 = (t14 - t10) * 0.707106781187f;
    t14 = t02 + t22; t02 = (t02 - t22) * 0.707106781187f;
    t14 += t02; t04 += t14; t14 += t10; t10 += t02;
    t16 += t04; t04 += t08; t08 += t14; t14 += t28;
    t28 += t10; t10 += t20; t20 += t02; t21 += t16;
    t16 += t32; t32 += t04; t04 += t06; t06 += t08;
    t08 += t18; t18 += t14; t14 += t30; t30 += t28;
    t28 += t26; t26 += t10; t10 += t12; t12 += t20;
    t20 += t24; t24 += t02;
 
    d[dp + 48] = -t33;
    d[dp + 49] = d[dp + 47] = -t21;
    d[dp + 50] = d[dp + 46] = -t17;
    d[dp + 51] = d[dp + 45] = -t16;
    d[dp + 52] = d[dp + 44] = -t01;
    d[dp + 53] = d[dp + 43] = -t32;
    d[dp + 54] = d[dp + 42] = -t29;
    d[dp + 55] = d[dp + 41] = -t04;
    d[dp + 56] = d[dp + 40] = -t03;
    d[dp + 57] = d[dp + 39] = -t06;
    d[dp + 58] = d[dp + 38] = -t25;
    d[dp + 59] = d[dp + 37] = -t08;
    d[dp + 60] = d[dp + 36] = -t11;
    d[dp + 61] = d[dp + 35] = -t18;
    d[dp + 62] = d[dp + 34] = -t09;
    d[dp + 63] = d[dp + 33] = -t14;
    d[dp + 32] = -t05;
    d[dp + 0] = t05; d[dp + 31] = -t30;
    d[dp + 1] = t30; d[dp + 30] = -t27;
    d[dp + 2] = t27; d[dp + 29] = -t28;
    d[dp + 3] = t28; d[dp + 28] = -t07;
    d[dp + 4] = t07; d[dp + 27] = -t26;
    d[dp + 5] = t26; d[dp + 26] = -t23;
    d[dp + 6] = t23; d[dp + 25] = -t10;
    d[dp + 7] = t10; d[dp + 24] = -t15;
    d[dp + 8] = t15; d[dp + 23] = -t12;
    d[dp + 9] = t12; d[dp + 22] = -t19;
    d[dp + 10] = t19; d[dp + 21] = -t20;
    d[dp + 11] = t20; d[dp + 20] = -t13;
    d[dp + 12] = t13; d[dp + 19] = -t24;
    d[dp + 13] = t24; d[dp + 18] = -t31;
    d[dp + 14] = t31; d[dp + 17] = -t02;
    d[dp + 15] = t02; d[dp + 16] = 0.0;
}

References FL_NOEXCEPT.

Referenced by plm_audio_decode_frame().

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