if (freq < 2. || freq > 100000.) return 0.; // avoid nans and infs
/* log(freq/A-2)/log(2) */
midi = freq / 6.875;
- midi = LOG (midi) / 0.69314718055995;
+ midi = LOG (midi) / 0.6931471805599453;
midi *= 12;
midi -= 3;
return midi;
smpl_t freq;
if (midi > 140.) return 0.; // avoid infs
freq = (midi + 3.) / 12.;
- freq = EXP (freq * 0.69314718055995);
+ freq = EXP (freq * 0.6931471805599453);
freq *= 6.875;
return freq;
}