int RationalDuration::isPowerOfTwo(void) {
RationalNumber rn = getDurationPrimary();
double pow2 = log(rn.getFloat())/log(2.0);
if (pow2 < 0) {
pow2 = -pow2;
}
if (fabs(pow2 - int(pow2+0.0001)) < 0.0001) {
return 1;
}
return 0;
}
void printRationalNumber(ostream& out, RationalNumber& rat) {
double floatpart = rat.getFloat();
int intpart = (int)floatpart;
RationalNumber fraction;
fraction = rat - intpart;
out << "[" << floatpart;
if (fraction.getNumerator() != 0) {
out << ", " << fraction.getNumerator();
out << ", " << fraction.getDenominator();
}
out << "]";
}
void printLocation(HumdrumFile& infile, int line, int measure) {
RationalNumber rat;
int startQ = 0;
if (fileQ) {
if (startQ && spaceQ) { cout << ' '; } startQ++;
if (quotesQ) {
if (labelQ) { cout << '"'; }
}
cout << infile.getFilename();
if (quotesQ) {
if (labelQ) { cout << '"'; }
}
}
if (lineQ) {
if (startQ && spaceQ) { cout << ' '; } startQ++;
if (labelQ) { cout << 'L'; }
cout << line + 1;
if (labelQ && doubleQ) { cout << 'L'; }
}
if (measureQ) {
if (startQ && spaceQ) { cout << ' '; } startQ++;
if (labelQ) { cout << 'M'; }
cout << measure;
if (labelQ && doubleQ) { cout << 'M'; }
}
if (beatQ) {
if (startQ && spaceQ) { cout << ' '; } startQ++;
if (labelQ) { cout << 'B'; }
if (rationalQ) {
rat = infile[line].getBeatR();
rat *= absFactor;
rat.printTwoPart(cout);
} else {
cout << infile[line].getBeat();
}
if (labelQ && doubleQ) { cout << 'B'; }
}
if (absQ) {
if (startQ && spaceQ) { cout << ' '; } startQ++;
if (labelQ) { cout << absChar; }
if (rationalQ) {
rat = infile[line].getAbsBeatR();
rat *= absFactor;
rat.printTwoPart(cout);
} else {
cout << infile[line].getAbsBeat() * absFactor.getFloat();
}
if (labelQ && doubleQ) { cout << absChar; }
}
}
int RationalNumber::operator<=(const RationalNumber &r) const {
return this->getFloat() <= r.getFloat();
}
void printKernTokenLineDuration(HumdrumFile& infile, int line, int field) {
RationalNumber notestartabsbeat; // starting absbeat of note
RationalNumber noteendabsbeat; // ending absbeat of note
RationalNumber linedur; // absbeat of current line
RationalNumber notedur; // duration of note
int ii, jj;
linedur = infile[line].getDurationR();
string notebuffer;
if (linedur == 0) {
// don't bother with grace notes for now:
cout << infile[line][field];
}
ii = line;
jj = field;
if (infile[line].isNullToken(field)) {
ii = infile[line].getDotLine(field);
jj = infile[line].getDotField(field);
}
PerlRegularExpression pre;
RationalNumber linestartabsbeat = infile[line].getAbsBeatR();
notestartabsbeat = infile[ii].getAbsBeatR();
RationalNumber lineendabsbeat;
char newdur[1024] = {0};
lineendabsbeat = linestartabsbeat + linedur;
notedur = Convert::kernToDurationR(infile[ii][jj]);
if (notedur == linedur) {
cout << infile[ii][jj];
return;
}
noteendabsbeat = notestartabsbeat + notedur;
Convert::durationToKernRhythm(newdur, linedur.getFloat());
notebuffer = infile[ii][jj];
pre.sar(notebuffer, "[\\d%.]+", newdur, "g");
// handle tie structure:
// Chord notes are all presumed to be tied in the same way. This
// may not be true, so to be fully generalized, keeping track
// of the tie states of notes in the chord should be done.
// * If the original note duration is the same as the line duration
// just keep the original note (already taken care of above).
// * If the note starts at this point, then add a "[" tie marker
// if there is not a "[" or "_" character already on the note(s)
if ((notestartabsbeat == linestartabsbeat)
&& (strchr(infile[ii][jj], '[') == NULL)
&& (strchr(infile[ii][jj], '_') == NULL)) {
pre.sar(notebuffer, " ", " [", "g");
cout << "[" << notebuffer;
return;
}
// * If the linenote ends on this line, add "]" unless the original
// note had "_".
if (lineendabsbeat == noteendabsbeat) {
if (strchr(infile[ii][jj], '_') != NULL) {
cout << notebuffer;
} else if (strchr(infile[ii][jj], '[') != NULL) {
pre.sar(notebuffer, "\\[", "", "g");
pre.sar(notebuffer, " ", "_ ", "g");
cout << notebuffer << "_";
} else {
pre.sar(notebuffer, "\\[", "", "g");
pre.sar(notebuffer, " ", "\\] ", "g");
cout << notebuffer << "]";
}
return;
}
if (notebuffer.find('[') != std::string::npos) {
cout << notebuffer;
} else {
pre.sar(notebuffer, " ", "_ ", "g");
cout << notebuffer << "_";
}
}
