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Sync changes from upstream repository
Co-authored-by: Alain <alain@mcneel.com> Co-authored-by: Andrew Le Bihan <andy@mcneel.com> Co-authored-by: Bozo <bozo@mcneel.com> Co-authored-by: chuck <chuck@mcneel.com> Co-authored-by: Dale Fugier <dale@mcneel.com> Co-authored-by: Giulio Piacentino <giulio@mcneel.com> Co-authored-by: John Croudy <croudyj@gmail.com> Co-authored-by: Mikko Oksanen <mikko@mcneel.com> Co-authored-by: Pierre Cuvilliers <pierre@mcneel.com> Co-authored-by: Steve Baer <steve@mcneel.com>
This commit is contained in:
Bozo The Builder
@@ -1,138 +1,138 @@
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/* $NoKeywords: $ */
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/*
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//
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// Copyright (c) 1993-2013 Robert McNeel & Associates. All rights reserved.
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// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert
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// McNeel & Associates.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
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// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF
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// MERCHANTABILITY ARE HEREBY DISCLAIMED.
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//
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// For complete openNURBS copyright information see <http://www.opennurbs.org>.
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//
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////////////////////////////////////////////////////////////////
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*/
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#include "opennurbs.h"
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#if !defined(ON_COMPILING_OPENNURBS)
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// This check is included in all opennurbs source .c and .cpp files to insure
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// ON_COMPILING_OPENNURBS is defined when opennurbs source is compiled.
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// When opennurbs source is being compiled, ON_COMPILING_OPENNURBS is defined
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// and the opennurbs .h files alter what is declared and how it is declared.
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#error ON_COMPILING_OPENNURBS must be defined when compiling opennurbs
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#endif
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// 1582 was the first Gregorian year. See http://en.wikipedia.org/wiki/Gregorian_calendar
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#define FIRST_GREGORIAN_YEAR 1582
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bool ON_IsGregorianLeapYear(
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unsigned int year
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)
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{
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// According to http://en.wikipedia.org/wiki/Gregorian_calendar,
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// the Gregorian calendar was introduced 24, February 1582, in
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// the Papal States, Spain, Portugal, the Polish-Lithuanian
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// Commonwealth, and most of Italy. However the Julian leap
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// day was omitted for the first 10 occurances to correct
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// for the "vernal equinox drift" the Julian calendar had
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// introduced from AD 325 to 1582. The goal was to have
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// March 21 be the date of the vernal equinox.
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// As a result, the first Gregorian calendary leap day
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// leap day in the Gregorian calendar occured on Feb 29, 1624.
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return ( year >= 1624 && 0 == (year %4) && (0 == (year%400) || 0 != (year%100)) );
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}
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unsigned int ON_DaysInGregorianYear(
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unsigned int year
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)
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{
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return (year >= FIRST_GREGORIAN_YEAR) ? (ON_IsGregorianLeapYear(year) ? 366 : 365) : 0;
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}
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static
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const unsigned int* CommonYearDayCount()
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{
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static const unsigned int common_year_day_count[13] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365};
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return common_year_day_count;
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}
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static
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const unsigned int* LeapYearDayCount()
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{
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static const unsigned int leap_year_day_count[13] = {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366};
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return leap_year_day_count;
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}
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static
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const unsigned int* YearDayCount(unsigned int year)
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{
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return ON_IsGregorianLeapYear(year)
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? LeapYearDayCount()
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: CommonYearDayCount();
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}
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unsigned int ON_DaysInMonthOfGregorianYear(
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unsigned int year,
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unsigned int month
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)
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{
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unsigned int days_in_month = 0;
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if( year >= FIRST_GREGORIAN_YEAR && month >= 1 && month <= 12)
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{
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const unsigned int* year_day_count = YearDayCount(year);
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days_in_month = year_day_count[month] - year_day_count[month-1];
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}
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return days_in_month;
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}
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unsigned int ON_DayOfGregorianYear(
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unsigned int year,
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unsigned int month,
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unsigned int date
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)
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{
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unsigned int day_of_year = 0;
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if( year >= FIRST_GREGORIAN_YEAR && month >= 1 && month <= 12 && date >= 1 && date <= 31 )
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{
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const unsigned int* year_day_count = YearDayCount(year);
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day_of_year = year_day_count[month-1] + date;
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if ( day_of_year > year_day_count[month] )
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day_of_year = 0; // input date value too large
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}
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return day_of_year;
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}
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bool ON_GetGregorianMonthAndDayOfMonth(
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unsigned int year,
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unsigned int day_of_year,
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unsigned int* month,
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unsigned int* date
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)
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{
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unsigned int mm = 0;
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unsigned int dd = 0;
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if( year >= FIRST_GREGORIAN_YEAR )
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{
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const unsigned int* year_day_count = YearDayCount(year);
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for ( mm = 1; mm <= 12; mm++ )
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{
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if ( day_of_year <= year_day_count[mm] )
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{
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dd = day_of_year - year_day_count[mm-1];
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break;
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}
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}
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if ( 0 == dd )
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mm = dd;
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}
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if ( 0 != month )
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*month = mm;
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if ( 0 != date )
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*date = dd;
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return (0 != dd);
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/* $NoKeywords: $ */
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/*
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//
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// Copyright (c) 1993-2013 Robert McNeel & Associates. All rights reserved.
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// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert
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// McNeel & Associates.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
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// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF
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// MERCHANTABILITY ARE HEREBY DISCLAIMED.
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//
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// For complete openNURBS copyright information see <http://www.opennurbs.org>.
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//
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////////////////////////////////////////////////////////////////
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*/
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#include "opennurbs.h"
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#if !defined(ON_COMPILING_OPENNURBS)
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// This check is included in all opennurbs source .c and .cpp files to insure
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// ON_COMPILING_OPENNURBS is defined when opennurbs source is compiled.
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// When opennurbs source is being compiled, ON_COMPILING_OPENNURBS is defined
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// and the opennurbs .h files alter what is declared and how it is declared.
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#error ON_COMPILING_OPENNURBS must be defined when compiling opennurbs
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#endif
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// 1582 was the first Gregorian year. See http://en.wikipedia.org/wiki/Gregorian_calendar
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#define FIRST_GREGORIAN_YEAR 1582
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bool ON_IsGregorianLeapYear(
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unsigned int year
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)
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{
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// According to http://en.wikipedia.org/wiki/Gregorian_calendar,
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// the Gregorian calendar was introduced 24, February 1582, in
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// the Papal States, Spain, Portugal, the Polish-Lithuanian
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// Commonwealth, and most of Italy. However the Julian leap
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// day was omitted for the first 10 occurances to correct
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// for the "vernal equinox drift" the Julian calendar had
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// introduced from AD 325 to 1582. The goal was to have
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// March 21 be the date of the vernal equinox.
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// As a result, the first Gregorian calendary leap day
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// leap day in the Gregorian calendar occured on Feb 29, 1624.
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return ( year >= 1624 && 0 == (year %4) && (0 == (year%400) || 0 != (year%100)) );
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}
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unsigned int ON_DaysInGregorianYear(
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unsigned int year
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)
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{
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return (year >= FIRST_GREGORIAN_YEAR) ? (ON_IsGregorianLeapYear(year) ? 366 : 365) : 0;
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}
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static
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const unsigned int* CommonYearDayCount()
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{
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static const unsigned int common_year_day_count[13] = {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365};
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return common_year_day_count;
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}
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static
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const unsigned int* LeapYearDayCount()
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{
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static const unsigned int leap_year_day_count[13] = {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366};
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return leap_year_day_count;
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}
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static
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const unsigned int* YearDayCount(unsigned int year)
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{
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return ON_IsGregorianLeapYear(year)
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? LeapYearDayCount()
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: CommonYearDayCount();
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}
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unsigned int ON_DaysInMonthOfGregorianYear(
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unsigned int year,
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unsigned int month
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)
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{
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unsigned int days_in_month = 0;
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if( year >= FIRST_GREGORIAN_YEAR && month >= 1 && month <= 12)
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{
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const unsigned int* year_day_count = YearDayCount(year);
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days_in_month = year_day_count[month] - year_day_count[month-1];
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}
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return days_in_month;
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}
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unsigned int ON_DayOfGregorianYear(
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unsigned int year,
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unsigned int month,
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unsigned int date
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)
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{
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unsigned int day_of_year = 0;
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if( year >= FIRST_GREGORIAN_YEAR && month >= 1 && month <= 12 && date >= 1 && date <= 31 )
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{
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const unsigned int* year_day_count = YearDayCount(year);
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day_of_year = year_day_count[month-1] + date;
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if ( day_of_year > year_day_count[month] )
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day_of_year = 0; // input date value too large
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}
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return day_of_year;
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}
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bool ON_GetGregorianMonthAndDayOfMonth(
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unsigned int year,
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unsigned int day_of_year,
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unsigned int* month,
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unsigned int* date
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)
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{
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unsigned int mm = 0;
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unsigned int dd = 0;
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if( year >= FIRST_GREGORIAN_YEAR )
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{
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const unsigned int* year_day_count = YearDayCount(year);
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for ( mm = 1; mm <= 12; mm++ )
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{
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if ( day_of_year <= year_day_count[mm] )
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{
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dd = day_of_year - year_day_count[mm-1];
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break;
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}
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}
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if ( 0 == dd )
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mm = dd;
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}
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if ( 0 != month )
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*month = mm;
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if ( 0 != date )
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*date = dd;
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return (0 != dd);
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}
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