third_party/libjpeg/fpdfapi_jidctfst.c - Issue 1433803002: Get rid of _FX_JPEG_TURBO_

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Side by Side Diff: third_party/libjpeg/fpdfapi_jidctfst.c

Issue 1433803002: Get rid of _FX_JPEG_TURBO_ (Closed) Base URL: https://pdfium.googlesource.com/pdfium@master

Patch Set: Created 5 years, 1 month ago

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1 #if !defined(_FX_JPEG_TURBO_)

2 /*	1 /*

3 * jidctfst.c	2 * jidctfst.c

4 *	3 *

5 * Copyright (C) 1994-1998, Thomas G. Lane.	4 * Copyright (C) 1994-1998, 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 fast, not so accurate integer implementation of the	8 * This file contains a fast, not so accurate integer implementation of the

10 * inverse DCT (Discrete Cosine Transform). In the IJG code, this routine	9 * inverse DCT (Discrete Cosine Transform). In the IJG code, this routine

11 * must also perform dequantization of the input coefficients.	10 * must also perform dequantization of the input coefficients.

(...skipping 348 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
360 outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3)	359 outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3)

361 & RANGE_MASK];	360 & RANGE_MASK];

362 outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3)	361 outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3)

363 & RANGE_MASK];	362 & RANGE_MASK];

364	363

365 wsptr += DCTSIZE; /* advance pointer to next row */	364 wsptr += DCTSIZE; /* advance pointer to next row */

366 }	365 }

367 }	366 }

368	367

369 #endif /* DCT_IFAST_SUPPORTED */	368 #endif /* DCT_IFAST_SUPPORTED */

370

371 #endif //_FX_JPEG_TURBO_

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