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1 #if !defined(_FX_JPEG_TURBO_) | |
2 /* | 1 /* |
3 * jfdctint.c | 2 * jfdctint.c |
4 * | 3 * |
5 * Copyright (C) 1991-1996, Thomas G. Lane. | 4 * Copyright (C) 1991-1996, Thomas G. Lane. |
6 * This file is part of the Independent JPEG Group's software. | 5 * This file is part of the Independent JPEG Group's software. |
7 * For conditions of distribution and use, see the accompanying README file. | 6 * For conditions of distribution and use, see the accompanying README file. |
8 * | 7 * |
9 * This file contains a slow-but-accurate integer implementation of the | 8 * This file contains a slow-but-accurate integer implementation of the |
10 * forward DCT (Discrete Cosine Transform). | 9 * forward DCT (Discrete Cosine Transform). |
11 * | 10 * |
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275 dataptr[DCTSIZE*3] = (DCTELEM) DESCALE(tmp6 + z2 + z3, | 274 dataptr[DCTSIZE*3] = (DCTELEM) DESCALE(tmp6 + z2 + z3, |
276 CONST_BITS+PASS1_BITS); | 275 CONST_BITS+PASS1_BITS); |
277 dataptr[DCTSIZE*1] = (DCTELEM) DESCALE(tmp7 + z1 + z4, | 276 dataptr[DCTSIZE*1] = (DCTELEM) DESCALE(tmp7 + z1 + z4, |
278 CONST_BITS+PASS1_BITS); | 277 CONST_BITS+PASS1_BITS); |
279 | 278 |
280 dataptr++; /* advance pointer to next column */ | 279 dataptr++; /* advance pointer to next column */ |
281 } | 280 } |
282 } | 281 } |
283 | 282 |
284 #endif /* DCT_ISLOW_SUPPORTED */ | 283 #endif /* DCT_ISLOW_SUPPORTED */ |
285 | |
286 #endif //_FX_JPEG_TURBO_ | |
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