addin/datefunc/dfa.cl

9  * with the License.  You may obtain a copy of the License at
39  * StarCalc calls this function to set a new current Language for the Addin
53  * StarCalc uses a BaseDate 12/30/1899
56  * There's no way to get the Spreadsheet settings from within a simple addin,
59  * The functions in this Addin use a BaseDate 01/01/0001
84  * Check if a year is a leap year in the Gregorian calendar
87  * @return true if the year is a leap year, false otherwise.
100  * Get the number of days in a specified month
122  * Convert a date to a count of days starting from 01/01/0001
124  * The internal representation of a Date used in this Addin
126  * this function converts a Day , Month, Year representation
152  * Convert a count of days starting from 01/01/0001 to a date
154  * The internal representation of a Date used in this Addin
157  * to a Day , Month, Year representation of a Date.
160  * @param *pDay pointer to a variable for the day of the month
161  * @param *pMonth pointer to a variable for the month
162  * @param *pYear pointer to a variable for the year
213  * The first is just a simple division by 7 calculation.
221  * is assigned a number in the year in which most of its days lie.
225  * The internal representation of a Date used in the Addin is the number of days based on 01/01/0001
228  * a division by 7, which gives a 0 - 6 value for Monday - Sunday
234  * calculates a number between 0-53 for each day which is in the same year as nJan4
237  * If a day in the same or another year is used in this formula this calculates
238  * an calendar week offset from a given 4. January
379  * Check if a Date is in a leap year in the Gregorian calendar
401  * Get the Number of Days in the month for a date
423  * Get number of weeks in the year for a date
425  * Most years have 52 weeks, but years that start on a Thursday
426  * and leep years that start on a Wednesday have 53 weeks
432  * a division by 7 from the internal date represention
433  * which gives a 0 - 6 value for Monday - Sunday
467  * Get number of days in the year of a date specified
494  * StarCalc uses a Date Base 12/30/1899
515 …Output: Number of Parameter. Must be greater than 0, because there's always a return-Value. Maximu…