trigtabs.c

MP3 for ARM codec. [asm+C]

/* Twiddle tables for FFT
 * format = Q30
 * 
 * for (k = 4; k <= N/4; k <<= 1) {
 *   for (j = 0; j < k; j++) {
 *     double wr1, wi1, wr2, wi2, wr3, wi3;
 * 
 *     wr1 = cos(1.0 * M_PI * j / (2*k));
 *     wi1 = sin(1.0 * M_PI * j / (2*k));
 *     wr1 = (wr1 + wi1);
 *     wi1 = -wi1;
 * 
 *     wr2 = cos(2.0 * M_PI * j / (2*k));
 *     wi2 = sin(2.0 * M_PI * j / (2*k));
 *     wr2 = (wr2 + wi2);
 *     wi2 = -wi2;
 * 
 *     wr3 = cos(3.0 * M_PI * j / (2*k));
 *     wi3 = sin(3.0 * M_PI * j / (2*k));
 *     wr3 = (wr3 + wi3);
 *     wi3 = -wi3;
 * 
 *     if (k & 0xaaaaaaaa) {
 *       w_odd[iodd++] = (float)wr2;
 *       w_odd[iodd++] = (float)wi2;
 *       w_odd[iodd++] = (float)wr1;
 *       w_odd[iodd++] = (float)wi1;
 *       w_odd[iodd++] = (float)wr3;
 *       w_odd[iodd++] = (float)wi3;
 *     } else {
 *       w_even[ieven++] = (float)wr2;
 *       w_even[ieven++] = (float)wi2;
 *       w_even[ieven++] = (float)wr1;
 *       w_even[ieven++] = (float)wi1;
 *       w_even[ieven++] = (float)wr3;
 *       w_even[ieven++] = (float)wi3;
 *     }
 *   }
 * }
 */
const int twidTabOdd[8*6 + 32*6 + 128*6] = {
	0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x539eba45, 0xe7821d59, 
	0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 
	0x539eba45, 0xc4df2862, 0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 
	0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x22a2f4f8, 0xc4df2862, 
	0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 
	0xac6145bb, 0x187de2a7, 0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 
	
	0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x45f704f7, 0xf9ba1651, 
	0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 
	0x4fd288dc, 0xed6bf9d1, 0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, 
	0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x569cc31b, 0xe1d4a2c8, 
	0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 
	0x5a12e720, 0xce86ff2a, 0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, 
	0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a12e720, 0xce86ff2a, 
	0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 
	0x45f704f7, 0xc04ee4b8, 0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, 
	0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x4fd288dc, 0xc2c17d52, 
	0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 
	0x1a4608ab, 0xc78e9a1d, 0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, 
	0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x396b3199, 0xc04ee4b8, 
	0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 
	0xe5b9f755, 0xe1d4a2c8, 0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, 
	0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x1a4608ab, 0xc78e9a1d, 
	0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 
	0xba08fb09, 0x0645e9af, 0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, 
	0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xf720e574, 0xd76619b6, 
	0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 
	0xa5ed18e0, 0x2899e64a, 0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, 
	0xdd5d0b08, 0xe7821d59, 0x4b418bbe, 0xc13ad060, 0xa73abd3b, 0x3536cc52, 0xd5558381, 0xed6bf9d1, 
	0x48b2b335, 0xc0b15502, 0xaac7fa0e, 0x39daf5e8, 0xcdb72c7e, 0xf383a3e2, 0x45f704f7, 0xc04ee4b8, 
	0xb02d7724, 0x3d3e82ae, 0xc694ce67, 0xf9ba1651, 0x43103085, 0xc013bc39, 0xb74d4ccb, 0x3f4eaafe, 
	
	0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x40000000, 0x00000000, 0x418d2621, 0xfe6deaa1, 
	0x40c7d2bd, 0xff36f170, 0x424ff28f, 0xfda4f351, 0x43103085, 0xfcdc1342, 0x418d2621, 0xfe6deaa1, 
	0x4488e37f, 0xfb4ab7db, 0x4488e37f, 0xfb4ab7db, 0x424ff28f, 0xfda4f351, 0x46aa0d6d, 0xf8f21e8e, 
	0x45f704f7, 0xf9ba1651, 0x43103085, 0xfcdc1342, 0x48b2b335, 0xf69bf7c9, 0x475a5c77, 0xf82a6c6a, 
	0x43cdd89a, 0xfc135231, 0x4aa22036, 0xf4491311, 0x48b2b335, 0xf69bf7c9, 0x4488e37f, 0xfb4ab7db, 
	0x4c77a88e, 0xf1fa3ecb, 0x49ffd417, 0xf50ef5de, 0x454149fc, 0xfa824bfd, 0x4e32a956, 0xefb047f2, 
	0x4b418bbe, 0xf383a3e2, 0x45f704f7, 0xf9ba1651, 0x4fd288dc, 0xed6bf9d1, 0x4c77a88e, 0xf1fa3ecb, 
	0x46aa0d6d, 0xf8f21e8e, 0x5156b6d9, 0xeb2e1dbe, 0x4da1fab5, 0xf0730342, 0x475a5c77, 0xf82a6c6a, 
	0x52beac9f, 0xe8f77acf, 0x4ec05432, 0xeeee2d9d, 0x4807eb4b, 0xf7630799, 0x5409ed4b, 0xe6c8d59c, 
	0x4fd288dc, 0xed6bf9d1, 0x48b2b335, 0xf69bf7c9, 0x553805f2, 0xe4a2eff6, 0x50d86e6d, 0xebeca36c, 
	0x495aada2, 0xf5d544a7, 0x56488dc5, 0xe28688a4, 0x51d1dc80, 0xea70658a, 0x49ffd417, 0xf50ef5de, 
	0x573b2635, 0xe0745b24, 0x52beac9f, 0xe8f77acf, 0x4aa22036, 0xf4491311, 0x580f7b19, 0xde6d1f65, 
	0x539eba45, 0xe7821d59, 0x4b418bbe, 0xf383a3e2, 0x58c542c5, 0xdc71898d, 0x5471e2e6, 0xe61086bc, 
	0x4bde1089, 0xf2beafed, 0x595c3e2a, 0xda8249b4, 0x553805f2, 0xe4a2eff6, 0x4c77a88e, 0xf1fa3ecb, 
	0x59d438e5, 0xd8a00bae, 0x55f104dc, 0xe3399167, 0x4d0e4de2, 0xf136580d, 0x5a2d0957, 0xd6cb76c9, 
	0x569cc31b, 0xe1d4a2c8, 0x4da1fab5, 0xf0730342, 0x5a6690ae, 0xd5052d97, 0x573b2635, 0xe0745b24, 
	0x4e32a956, 0xefb047f2, 0x5a80baf6, 0xd34dcdb4, 0x57cc15bc, 0xdf18f0ce, 0x4ec05432, 0xeeee2d9d, 
	0x5a7b7f1a, 0xd1a5ef90, 0x584f7b58, 0xddc29958, 0x4f4af5d1, 0xee2cbbc1, 0x5a56deec, 0xd00e2639, 
	0x58c542c5, 0xdc71898d, 0x4fd288dc, 0xed6bf9d1, 0x5a12e720, 0xce86ff2a, 0x592d59da, 0xdb25f566, 
	0x50570819, 0xecabef3d, 0x59afaf4c, 0xcd110216, 0x5987b08a, 0xd9e01006, 0x50d86e6d, 0xebeca36c, 
	0x592d59da, 0xcbacb0bf, 0x59d438e5, 0xd8a00bae, 0x5156b6d9, 0xeb2e1dbe, 0x588c1404, 0xca5a86c4, 
	0x5a12e720, 0xd76619b6, 0x51d1dc80, 0xea70658a, 0x57cc15bc, 0xc91af976, 0x5a43b190, 0xd6326a88, 
	0x5249daa2, 0xe9b38223, 0x56eda1a0, 0xc7ee77b3, 0x5a6690ae, 0xd5052d97, 0x52beac9f, 0xe8f77acf, 
	0x55f104dc, 0xc6d569be, 0x5a7b7f1a, 0xd3de9156, 0x53304df6, 0xe83c56cf, 0x54d69714, 0xc5d03118, 
	0x5a82799a, 0xd2bec333, 0x539eba45, 0xe7821d59, 0x539eba45, 0xc4df2862, 0x5a7b7f1a, 0xd1a5ef90, 
	0x5409ed4b, 0xe6c8d59c, 0x5249daa2, 0xc402a33c, 0x5a6690ae, 0xd09441bb, 0x5471e2e6, 0xe61086bc, 
	0x50d86e6d, 0xc33aee27, 0x5a43b190, 0xcf89e3e8, 0x54d69714, 0xe55937d5, 0x4f4af5d1, 0xc2884e6e, 
	0x5a12e720, 0xce86ff2a, 0x553805f2, 0xe4a2eff6, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, 
	0x55962bc0, 0xe3edb628, 0x4bde1089, 0xc1633f8a, 0x5987b08a, 0xcc983f70, 0x55f104dc, 0xe3399167, 
	0x49ffd417, 0xc0f1360b, 0x592d59da, 0xcbacb0bf, 0x56488dc5, 0xe28688a4, 0x4807eb4b, 0xc0950d1d, 
	0x58c542c5, 0xcac933ae, 0x569cc31b, 0xe1d4a2c8, 0x45f704f7, 0xc04ee4b8, 0x584f7b58, 0xc9edeb50, 
	0x56eda1a0, 0xe123e6ad, 0x43cdd89a, 0xc01ed535, 0x57cc15bc, 0xc91af976, 0x573b2635, 0xe0745b24, 
	0x418d2621, 0xc004ef3f, 0x573b2635, 0xc8507ea7, 0x57854ddd, 0xdfc606f1, 0x3f35b59d, 0xc0013bd3, 
	0x569cc31b, 0xc78e9a1d, 0x57cc15bc, 0xdf18f0ce, 0x3cc85709, 0xc013bc39, 0x55f104dc, 0xc6d569be, 
	0x580f7b19, 0xde6d1f65, 0x3a45e1f7, 0xc03c6a07, 0x553805f2, 0xc6250a18, 0x584f7b58, 0xddc29958, 
	0x37af354c, 0xc07b371e, 0x5471e2e6, 0xc57d965d, 0x588c1404, 0xdd196538, 0x350536f1, 0xc0d00db6, 
	0x539eba45, 0xc4df2862, 0x58c542c5, 0xdc71898d, 0x3248d382, 0xc13ad060, 0x52beac9f, 0xc449d892, 
	0x58fb0568, 0xdbcb0cce, 0x2f7afdfc, 0xc1bb5a11, 0x51d1dc80, 0xc3bdbdf6, 0x592d59da, 0xdb25f566, 
	0x2c9caf6c, 0xc2517e31, 0x50d86e6d, 0xc33aee27, 0x595c3e2a, 0xda8249b4, 0x29aee694, 0xc2fd08a9, 
	0x4fd288dc, 0xc2c17d52, 0x5987b08a, 0xd9e01006, 0x26b2a794, 0xc3bdbdf6, 0x4ec05432, 0xc2517e31, 
	0x59afaf4c, 0xd93f4e9e, 0x23a8fb93, 0xc4935b3c, 0x4da1fab5, 0xc1eb0209, 0x59d438e5, 0xd8a00bae, 
	0x2092f05f, 0xc57d965d, 0x4c77a88e, 0xc18e18a7, 0x59f54bee, 0xd8024d59, 0x1d719810, 0xc67c1e18, 
	0x4b418bbe, 0xc13ad060, 0x5a12e720, 0xd76619b6, 0x1a4608ab, 0xc78e9a1d, 0x49ffd417, 0xc0f1360b, 
	0x5a2d0957, 0xd6cb76c9, 0x17115bc0, 0xc8b4ab32, 0x48b2b335, 0xc0b15502, 0x5a43b190, 0xd6326a88, 
	0x13d4ae08, 0xc9edeb50, 0x475a5c77, 0xc07b371e, 0x5a56deec, 0xd59afadb, 0x10911f04, 0xcb39edca, 
	0x45f704f7, 0xc04ee4b8, 0x5a6690ae, 0xd5052d97, 0x0d47d096, 0xcc983f70, 0x4488e37f, 0xc02c64a6, 
	0x5a72c63b, 0xd4710883, 0x09f9e6a1, 0xce0866b8, 0x43103085, 0xc013bc39, 0x5a7b7f1a, 0xd3de9156, 
	0x06a886a0, 0xcf89e3e8, 0x418d2621, 0xc004ef3f, 0x5a80baf6, 0xd34dcdb4, 0x0354d741, 0xd11c3142, 
	0x40000000, 0xc0000000, 0x5a82799a, 0xd2bec333, 0x00000000, 0xd2bec333, 0x3e68fb62, 0xc004ef3f, 
	0x5a80baf6, 0xd2317756, 0xfcab28bf, 0xd4710883, 0x3cc85709, 0xc013bc39, 0x5a7b7f1a, 0xd1a5ef90, 
	0xf9577960, 0xd6326a88, 0x3b1e5335, 0xc02c64a6, 0x5a72c63b, 0xd11c3142, 0xf606195f, 0xd8024d59, 
	0x396b3199, 0xc04ee4b8, 0x5a6690ae, 0xd09441bb, 0xf2b82f6a, 0xd9e01006, 0x37af354c, 0xc07b371e, 
	0x5a56deec, 0xd00e2639, 0xef6ee0fc, 0xdbcb0cce, 0x35eaa2c7, 0xc0b15502, 0x5a43b190, 0xcf89e3e8, 
	0xec2b51f8, 0xddc29958, 0x341dbfd3, 0xc0f1360b, 0x5a2d0957, 0xcf077fe1, 0xe8eea440, 0xdfc606f1, 
	0x3248d382, 0xc13ad060, 0x5a12e720, 0xce86ff2a, 0xe5b9f755, 0xe1d4a2c8, 0x306c2624, 0xc18e18a7, 
	0x59f54bee, 0xce0866b8, 0xe28e67f0, 0xe3edb628, 0x2e88013a, 0xc1eb0209, 0x59d438e5, 0xcd8bbb6d, 
	0xdf6d0fa1, 0xe61086bc, 0x2c9caf6c, 0xc2517e31, 0x59afaf4c, 0xcd110216, 0xdc57046d, 0xe83c56cf, 
	0x2aaa7c7f, 0xc2c17d52, 0x5987b08a, 0xcc983f70, 0xd94d586c, 0xea70658a, 0x28b1b544, 0xc33aee27, 
	0x595c3e2a, 0xcc217822, 0xd651196c, 0xecabef3d, 0x26b2a794, 0xc3bdbdf6, 0x592d59da, 0xcbacb0bf, 
	0xd3635094, 0xeeee2d9d, 0x24ada23d, 0xc449d892, 0x58fb0568, 0xcb39edca, 0xd0850204, 0xf136580d, 
	0x22a2f4f8, 0xc4df2862, 0x58c542c5, 0xcac933ae, 0xcdb72c7e, 0xf383a3e2, 0x2092f05f, 0xc57d965d, 
	0x588c1404, 0xca5a86c4, 0xcafac90f, 0xf5d544a7, 0x1e7de5df, 0xc6250a18, 0x584f7b58, 0xc9edeb50, 
	0xc850cab4, 0xf82a6c6a, 0x1c6427a9, 0xc6d569be, 0x580f7b19, 0xc9836582, 0xc5ba1e09, 0xfa824bfd, 
	0x1a4608ab, 0xc78e9a1d, 0x57cc15bc, 0xc91af976, 0xc337a8f7, 0xfcdc1342, 0x1823dc7d, 0xc8507ea7, 
	0x57854ddd, 0xc8b4ab32, 0xc0ca4a63, 0xff36f170, 0x15fdf758, 0xc91af976, 0x573b2635, 0xc8507ea7, 
	0xbe72d9df, 0x0192155f, 0x13d4ae08, 0xc9edeb50, 0x56eda1a0, 0xc7ee77b3, 0xbc322766, 0x03ecadcf, 
	0x11a855df, 0xcac933ae, 0x569cc31b, 0xc78e9a1d, 0xba08fb09, 0x0645e9af, 0x0f7944a7, 0xcbacb0bf, 
	0x56488dc5, 0xc730e997, 0xb7f814b5, 0x089cf867, 0x0d47d096, 0xcc983f70, 0x55f104dc, 0xc6d569be, 
	0xb6002be9, 0x0af10a22, 0x0b145041, 0xcd8bbb6d, 0x55962bc0, 0xc67c1e18, 0xb421ef77, 0x0d415013, 
	0x08df1a8c, 0xce86ff2a, 0x553805f2, 0xc6250a18, 0xb25e054b, 0x0f8cfcbe, 0x06a886a0, 0xcf89e3e8, 
	0x54d69714, 0xc5d03118, 0xb0b50a2f, 0x11d3443f, 0x0470ebdc, 0xd09441bb, 0x5471e2e6, 0xc57d965d, 
	0xaf279193, 0x14135c94, 0x0238a1c6, 0xd1a5ef90, 0x5409ed4b, 0xc52d3d18, 0xadb6255e, 0x164c7ddd, 
	0x00000000, 0xd2bec333, 0x539eba45, 0xc4df2862, 0xac6145bb, 0x187de2a7, 0xfdc75e3a, 0xd3de9156, 
	0x53304df6, 0xc4935b3c, 0xab2968ec, 0x1aa6c82b, 0xfb8f1424, 0xd5052d97, 0x52beac9f, 0xc449d892, 
	0xaa0efb24, 0x1cc66e99, 0xf9577960, 0xd6326a88, 0x5249daa2, 0xc402a33c, 0xa9125e60, 0x1edc1953, 
	0xf720e574, 0xd76619b6, 0x51d1dc80, 0xc3bdbdf6, 0xa833ea44, 0x20e70f32, 0xf4ebafbf, 0xd8a00bae, 
	0x5156b6d9, 0xc37b2b6a, 0xa773ebfc, 0x22e69ac8, 0xf2b82f6a, 0xd9e01006, 0x50d86e6d, 0xc33aee27, 
	0xa6d2a626, 0x24da0a9a, 0xf086bb59, 0xdb25f566, 0x50570819, 0xc2fd08a9, 0xa65050b4, 0x26c0b162, 
	0xee57aa21, 0xdc71898d, 0x4fd288dc, 0xc2c17d52, 0xa5ed18e0, 0x2899e64a, 0xec2b51f8, 0xddc29958, 
	0x4f4af5d1, 0xc2884e6e, 0xa5a92114, 0x2a650525, 0xea0208a8, 0xdf18f0ce, 0x4ec05432, 0xc2517e31, 
	0xa58480e6, 0x2c216eaa, 0xe7dc2383, 0xe0745b24, 0x4e32a956, 0xc21d0eb8, 0xa57f450a, 0x2dce88aa, 
	0xe5b9f755, 0xe1d4a2c8, 0x4da1fab5, 0xc1eb0209, 0xa5996f52, 0x2f6bbe45, 0xe39bd857, 0xe3399167, 
	0x4d0e4de2, 0xc1bb5a11, 0xa5d2f6a9, 0x30f8801f, 0xe1821a21, 0xe4a2eff6, 0x4c77a88e, 0xc18e18a7, 
	0xa62bc71b, 0x32744493, 0xdf6d0fa1, 0xe61086bc, 0x4b