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/*
misc.cc -- implement various stuff
source file of the GNU LilyPond music typesetter
(c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include <math.h>
#include "misc.hh"
#include "string.hh"
/*
Return the 2-log, rounded down
*/
int
intlog2 (int d)
{
assert (d);
int i = 0;
while ((d != 1))
{
d /= 2;
i++;
}
assert (! (d / 2));
return i;
}
double
log_2 (double x)
{
return log (x) / log (2.0);
}
Array<String>
split_string (String s, char c)
{
Array<String> rv;
while (s.length ())
{
int i = s.index (c);
if (i == 0)
{
s = s.nomid_string (0, 1);
continue;
}
if (i < 0)
i = s.length ();
rv.push (s.cut_string (0, i));
s = s.nomid_string (0, i);
}
return rv;
}
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