[En-Nut-Discussion] Do we need something like sbv/sbi to complement sbi/cbi?
Uwe Bonnes
bon at elektron.ikp.physik.tu-darmstadt.de
Mon Jan 2 10:36:20 CET 2012
>>>>> "Uwe" == Uwe Bonnes <bon at elektron.ikp.physik.tu-darmstadt.de> writes:
Just for reference:
The _BI macros should read
#define _BI2(arg) (((arg) & 0x00000002) ? 2: 1)
#define _BI4(arg) (((arg) & 0x0000000c) ? (_BI2(arg>> 2) + 2) : _BI2(arg))
#define _BI8(arg) (((arg) & 0x000000f0) ? (_BI4(arg>> 4) + 4) : _BI4(arg))
#define _BI16(arg) (((arg) & 0x0000ff00) ? (_BI8(arg>> 8) + 8) : _BI8(arg))
#define _BI24(arg) (((arg) & 0x00ff0000) ? (_BI8(arg>>16) + 16) : _BI16(arg))
#define _BI32(arg) (((arg) & 0xff000000) ? (_BI8(arg>>24) + 24) : _BI24(arg))
--
Uwe Bonnes bon at elektron.ikp.physik.tu-darmstadt.de
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
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