2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
26 #include "std-vector.hh"
27 #include "interval.hh"
29 double log_2 (double x
);
43 shift_left (int value
, int shiftamount
)
45 if (shiftamount
< 0) return (value
>> -shiftamount
);
46 else return (value
<< shiftamount
);
50 linear_interpolate (Real x
, Real x1
, Real x2
, Real y1
, Real y2
)
52 return (x2
- x
) / (x2
- x1
) * y1
53 + (x
- x1
) / (x2
- x1
) * y2
;
56 Real
directed_round (Real f
, Direction d
);
58 Real
peak_around (Real epsilon
, Real threshold
, Real x
);
59 Real
convex_amplifier (Real standard_x
, Real increase_factor
, Real x
);
60 string
camel_case_to_lisp_identifier (string in
);
61 vsize
utf8_char_len (char);