X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fmisc.hh;h=0ea0a942522ab08b218a2f64c94e3e2777e6cb71;hb=0b544cfb7332615ef809b71b57ab656741311ae1;hp=4303d3b7b59e9f7ef7054a30143f3db173e73d3f;hpb=6c6ae92410f087d0318a3c302eb6877cfc7fae45;p=lilypond.git diff --git a/lily/include/misc.hh b/lily/include/misc.hh index 4303d3b7b5..0ea0a94252 100644 --- a/lily/include/misc.hh +++ b/lily/include/misc.hh @@ -1,9 +1,20 @@ /* - misc.hh -- declare miscellaneous functions. + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 2005--2014 Han-Wen Nienhuys - (c) 2005--2006 Han-Wen Nienhuys + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ #ifndef MISC_HH @@ -28,15 +39,32 @@ sign (int i) else return 0; } +inline int +shift_left (int value, int shiftamount) +{ + if (shiftamount < 0) return (value >> -shiftamount); + else return (value << shiftamount); +} + inline Real linear_interpolate (Real x, Real x1, Real x2, Real y1, Real y2) { return (x2 - x) / (x2 - x1) * y1 - + (x - x1) / (x2 - x1) * y2; + + (x - x1) / (x2 - x1) * y2; +} + +inline Real +normalize (Real x, Real x1, Real x2) +{ + return (x - x1) / (x2 - x1); } Real directed_round (Real f, Direction d); -Real peak_around (Real epsilon, Real threshold, Real x); +Offset get_point_in_y_direction (Offset orig, Real slope, Real dist, Direction dir); +Real peak_around (Real epsilon, Real threshold, Real x); +Real convex_amplifier (Real standard_x, Real increase_factor, Real x); +string camel_case_to_lisp_identifier (const string &in); + #endif