X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmoment.cc;h=9f3e8ed383837e3fb7059eebff437cac5423588a;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=4d81493f0ce14b3d8090f559e4a78d90e82570f8;hpb=e24df7c27635dc996c466295eacf2981bddccaf7;p=lilypond.git diff --git a/lily/moment.cc b/lily/moment.cc index 4d81493f0c..9f3e8ed383 100644 --- a/lily/moment.cc +++ b/lily/moment.cc @@ -1,9 +1,20 @@ -/* - moment.cc -- implement Moment +/* + This file is part of LilyPond, the GNU music typesetter. + + Copyright (C) 1999--2015 Han-Wen Nienhuys - source file of the GNU LilyPond music typesetter + 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. - (c) 1999--2005 Han-Wen Nienhuys + 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 . */ #include "moment.hh" @@ -17,7 +28,7 @@ Moment::Moment () Moment::Moment (int m) { main_part_ = Rational (m); - grace_part_ = Rational ( 0); + grace_part_ = Rational (0); } Moment::Moment (Rational m, Rational g) @@ -32,26 +43,18 @@ Moment::Moment (Rational m) grace_part_ = Rational (0); } -#include "ly-smobs.icc" -IMPLEMENT_SIMPLE_SMOBS (Moment); -IMPLEMENT_TYPE_P (Moment, "ly:moment?"); -SCM -Moment::mark_smob (SCM) -{ - return SCM_EOL; -} +const char Moment::type_p_name_[] = "ly:moment?"; + int -Moment::print_smob (SCM s, SCM port, scm_print_state *) +Moment::print_smob (SCM port, scm_print_state *) { - Moment *r = (Moment *) SCM_CELL_WORD_1 (s); - scm_puts ("#to_string (); - scm_puts ((char *)str.to_str0 (), port); + string str = to_string (); + scm_puts ((char *)str.c_str (), port); scm_puts (">", port); - + return 1; } @@ -59,32 +62,31 @@ SCM Moment::as_scheme () const { return scm_list_5 (ly_symbol2scm ("ly:make-moment"), - scm_from_int (main_part_.num()), - scm_from_int (main_part_.den()), - scm_from_int (grace_part_.num()), - scm_from_int (grace_part_.den())); + scm_from_int64 (main_part_.num ()), + scm_from_int64 (main_part_.den ()), + scm_from_int64 (grace_part_.num ()), + scm_from_int64 (grace_part_.den ())); } - SCM Moment::equal_p (SCM a, SCM b) { - Moment *m1 = unsmob_moment (a); - Moment *m2 = unsmob_moment (b); - + Moment *m1 = Moment::unsmob (a); + Moment *m2 = Moment::unsmob (b); + return (*m1 == *m2) ? SCM_BOOL_T : SCM_BOOL_F; } int compare (Moment const &a, Moment const &b) { - return Moment::compare (a,b); + return Moment::compare (a, b); } int Moment::compare (Moment const &a, Moment const &b) { - int c = Rational::compare (a.main_part_,b.main_part_); + int c = Rational::compare (a.main_part_, b.main_part_); if (c) return c; @@ -94,43 +96,49 @@ Moment::compare (Moment const &a, Moment const &b) void Moment::operator += (Moment const &src) { - main_part_ += src.main_part_ ; + main_part_ += src.main_part_; grace_part_ += src.grace_part_; } + void Moment::operator -= (Moment const &src) { - main_part_ -= src.main_part_ ; + main_part_ -= src.main_part_; grace_part_ -= src.grace_part_; } -/* - only take the main part of SRC for multiplication. -*/ +/* Only take the main part of SRC for multiplication. */ void Moment::operator *= (Moment const &src) { - main_part_ *= src.main_part_ ; + main_part_ *= src.main_part_; grace_part_ *= src.main_part_; } -/* - only take the main part of SRC for multiplication. -*/ +/* Only take the main part of SRC for division. */ void Moment::operator /= (Moment const &src) { - main_part_ /= src.main_part_ ; + main_part_ /= src.main_part_; grace_part_ /= src.main_part_; } -int +/* Only take the main part of SRC for division. */ +void +Moment::operator %= (Moment const &src) +{ + main_part_ %= src.main_part_; + grace_part_ %= src.main_part_; +} + +I64 Moment::den () const { + /* TODO: ensure MSB == 0 here */ return main_part_.den (); } -int +I64 Moment::num () const { return main_part_.num (); @@ -148,14 +156,12 @@ Moment::set_infinite (int k) main_part_.set_infinite (k); } -String +string Moment::to_string () const { - String s = main_part_.to_string (); + string s = main_part_.to_string (); if (grace_part_) - { - s += "G" + grace_part_.to_string (); - } + s += "G" + grace_part_.to_string (); return s; } @@ -163,15 +169,14 @@ Moment Moment::operator - () const { Moment m; - m.grace_part_ = - grace_part_; - m. main_part_ = - main_part_ ; + m.grace_part_ = -grace_part_; + m.main_part_ = -main_part_; return m; } - #ifdef STREAM_SUPPORT -std::ostream & -operator << (std::ostream &os, Moment const &m) +ostream & +operator << (ostream &os, Moment const &m) { os << m.to_string (); return os; @@ -181,17 +186,15 @@ operator << (std::ostream &os, Moment const &m) Moment robust_scm2moment (SCM m, Moment d) { - Moment *p = unsmob_moment (m); + Moment *p = Moment::unsmob (m); if (!p) return d; else return *p; } - bool moment_less (SCM a, SCM b) { - return *unsmob_moment (a) < *unsmob_moment (b); + return *Moment::unsmob (a) < *Moment::unsmob (b); } -