icns/openjpeg/dwt.c

117 static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize);
309 static void dwt_encode_stepsize(int stepsize, int numbps, opj_stepsize_t *bandno_stepsize) {
311 	p = int_floorlog2(stepsize) - 13;
312 	n = 11 - int_floorlog2(stepsize);
313 	bandno_stepsize->mant = (n < 0 ? stepsize >> -n : stepsize << n) & 0x7ff;
481 		double stepsize;
489 			stepsize = 1.0;
492 			stepsize = (1 << (gain)) / norm;
494 		dwt_encode_stepsize((int) floor(stepsize * 8192.0), prec + gain, &tccp->stepsizes[bandno]);