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/*
* Copyright (c) 2012-2014 Christian Hansen <chansen@cpan.org>
* <https://github.com/chansen/c-dt>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include "dt_core.h"
dt_t
dt_from_cjdn(int n) {
return dt_from_rdn(n - 1721425);
}
int
dt_cjdn(dt_t dt) {
return dt_rdn(dt) + 1721425;
}
int
dt_year(dt_t dt) {
int y;
dt_to_yd(dt, &y, NULL);
return y;
}
int
dt_quarter(dt_t dt) {
int q;
dt_to_yqd(dt, NULL, &q, NULL);
return q;
}
int
dt_month(dt_t dt) {
int m;
dt_to_ymd(dt, NULL, &m, NULL);
return m;
}
int
dt_doy(dt_t dt) {
int d;
dt_to_yd(dt, NULL, &d);
return d;
}
int
dt_doq(dt_t dt) {
int d;
dt_to_yqd(dt, NULL, NULL, &d);
return d;
}
int
dt_dom(dt_t dt) {
int d;
dt_to_ymd(dt, NULL, NULL, &d);
return d;
}
int
dt_woy(dt_t dt) {
int w;
dt_to_ywd(dt, NULL, &w, NULL);
return w;
}
int
dt_yow(dt_t dt) {
int y;
dt_to_ywd(dt, &y, NULL, NULL);
return y;
}
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