static npy_int64 asfreq_BtoDT(npy_int64 ordinal, char relation, asfreq_info *af_info)
{
ordinal += BDAY_OFFSET;
ordinal = (((ordinal - 1) / 5) * 7 +
mod_compat(ordinal - 1, 5) + 1 - ORD_OFFSET);
return convert_daytime(ordinal, FR_DAY, af_info->targetFreq, relation != 'S');
}
static void QtoD_ym(npy_int64 ordinal, int *y, int *m, asfreq_info *af_info) {
*y = floordiv(ordinal, 4) + BASE_YEAR;
*m = mod_compat(ordinal, 4) * 3 + 1;
if (af_info->from_q_year_end != 12) {
*m += af_info->from_q_year_end;
if (*m > 12) { *m -= 12; }
else { *y -= 1; }
}
}
static int floordiv(int x, int divisor) {
if (x < 0) {
if (mod_compat(x, divisor)) {
return x / divisor - 1;
}
else return x / divisor;
} else {
return x / divisor;
}
}
//************ FROM MONTHLY ***************
static void MtoD_ym(npy_int64 ordinal, int *y, int *m) {
*y = floordiv(ordinal, 12) + BASE_YEAR;
*m = mod_compat(ordinal, 12) + 1;
}
static npy_int64 asfreq_BtoD(npy_int64 ordinal, char relation, asfreq_info *af_info)
{
ordinal += BDAY_OFFSET;
return (((ordinal - 1) / 5) * 7 +
mod_compat(ordinal - 1, 5) + 1 - ORD_OFFSET);
}
