28 typedef void (*forward_DCT_method_ptr) (DCTELEM *data);
33                                      DCTELEM *workspace);
38 typedef void (*quantize_method_ptr) (JCOEFPTR coef_block, DCTELEM *divisors,
39                                      DCTELEM *workspace);
44 METHODDEF(void) quantize(JCOEFPTR, DCTELEM *, DCTELEM *);
58   DCTELEM *divisors[NUM_QUANT_TBLS];
61   DCTELEM *workspace;
173 compute_reciprocal(UINT16 divisor, DCTELEM *dtbl)  in compute_reciprocal()
185     dtbl[DCTSIZE2 * 0] = (DCTELEM)1;                        /* reciprocal */  in compute_reciprocal()
186     dtbl[DCTSIZE2 * 1] = (DCTELEM)0;                        /* correction */  in compute_reciprocal()
187     dtbl[DCTSIZE2 * 2] = (DCTELEM)1;                        /* scale */  in compute_reciprocal()
188     dtbl[DCTSIZE2 * 3] = -(DCTELEM)(sizeof(DCTELEM) * 8);   /* shift */  in compute_reciprocal()
193   r  = sizeof(DCTELEM) * 8 + b;  in compute_reciprocal()
210   dtbl[DCTSIZE2 * 0] = (DCTELEM)fq;     /* reciprocal */  in compute_reciprocal()
211   dtbl[DCTSIZE2 * 1] = (DCTELEM)c;      /* correction + roundfactor */  in compute_reciprocal()
213   dtbl[DCTSIZE2 * 2] = (DCTELEM)(1 << (sizeof(DCTELEM) * 8 * 2 - r)); /* scale */  in compute_reciprocal()
217   dtbl[DCTSIZE2 * 3] = (DCTELEM)r - sizeof(DCTELEM) * 8; /* shift */  in compute_reciprocal()
242   DCTELEM *dtbl;  in start_pass_fdctmgr()
261         fdct->divisors[qtblno] = (DCTELEM *)  in start_pass_fdctmgr()
263                                       (DCTSIZE2 * 4) * sizeof(DCTELEM));  in start_pass_fdctmgr()
272         dtbl[i] = ((DCTELEM)qtbl->quantval[i]) << 3;  in start_pass_fdctmgr()
301           fdct->divisors[qtblno] = (DCTELEM *)  in start_pass_fdctmgr()
303                                         (DCTSIZE2 * 4) * sizeof(DCTELEM));  in start_pass_fdctmgr()
315           dtbl[i] = (DCTELEM)  in start_pass_fdctmgr()
373 convsamp(JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM *workspace)  in convsamp()
375   register DCTELEM *workspaceptr;  in convsamp()
408 quantize(JCOEFPTR coef_block, DCTELEM *divisors, DCTELEM *workspace)  in quantize()
411   DCTELEM temp;  in quantize()
429       product >>= shift + sizeof(DCTELEM) * 8;  in quantize()
430       temp = (DCTELEM)product;  in quantize()
434       product >>= shift + sizeof(DCTELEM) * 8;  in quantize()
435       temp = (DCTELEM)product;  in quantize()
442   register DCTELEM qval;  in quantize()
497   DCTELEM *divisors = fdct->divisors[compptr->quant_tbl_no];  in forward_DCT()
498   DCTELEM *workspace;  in forward_DCT()
710     fdct->workspace = (DCTELEM *)  in jinit_forward_dct()
712                                   sizeof(DCTELEM) * DCTSIZE2);  in jinit_forward_dct()