Lines Matching +full:msb +full:- +full:-

1 // SPDX-License-Identifier: LGPL-2.1-or-later
3  * Provides fixed-point logarithm operations.
57 	unsigned int msb;  in intlog2()  local
67 	/* first detect the msb (count begins at 0) */  in intlog2()
68 	msb = fls(value) - 1;  in intlog2()
74 	 *	where x = msb and therefore 1 <= y < 2  in intlog2()
76 	 *	so that msb is bit 31  in intlog2()
77 	 *		0x00231f56 -> 0x8C7D5800  in intlog2()
78 	 *	the result is y * 2^31 -> "significand"  in intlog2()
84 	significand = value << (31 - msb);  in intlog2()
97 	 *	(error / 0x800000) * (logtable_next - logtable_current)  in intlog2()
103 			((logtable[(logentry + 1) % ARRAY_SIZE(logtable)] -  in intlog2()
107 	return ((msb << 24) + (logtable[logentry] << 8) + interpolation);  in intlog2()