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//------------------------------------------------------------------------
// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA - Pierre MARECHAL
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
//
// Convert to serial date number
//------------------------------------------------------------------------
function n=datenum(varargin)
lhs=argn(1);
rhs=argn(2);
select rhs
case 0
Date = getdate();
n = ymdhmns_to_scalar(Date(1),..
Date(2),..
Date(6),..
Date(7),..
Date(8),..
Date(9));
break
case 1
DateIn = varargin(1);
// Checks
if type(DateIn)<> 1 then
error(msprintf(gettext("%s: Wrong type for input argument #%d: Real matrix expected.\n"),"datenum",1));
end
[nr,nc] = size(DateIn);
if (nc <> 3) & (nc <> 6) then
error(msprintf(gettext("%s: Wrong size for input argument #%d: m*3 matrix or a m*6 matrix expected.\n"),"datenum",1));
end
if min(DateIn(:,2))<1 | max(DateIn(:,2))>12 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: %s must be between %d and %d.\n"),"datenum",1,gettext("Month"),1,12));
end
if min(DateIn(:,3))<1 | max(DateIn(:,3))>31 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: %s must be between %d and %d.\n"),"datenum",1,gettext("Day"),1,31));
end
if nc == 6 then
if min(DateIn(:,4))<0 | max(DateIn(:,4))>23 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: %s must be between %d and %d.\n"),"datenum",1,gettext("Hour"),0,23));
end
if min(DateIn(:,5))<0 | max(DateIn(:,5))>59 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: %s must be between %d and %d.\n"),"datenum",1,gettext("Minute"),0,59));
end
if min(DateIn(:,6))<0 | max(DateIn(:,6))>=60 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: %s must be between %d and %d.\n"),"datenum",1,gettext("Second"),0,59));
end
end
if nc == 3 then
n = ymdhmns_to_scalar(DateIn(:,1),DateIn(:,2),DateIn(:,3),zeros(nr),zeros(nr),zeros(nr));
else
n = ymdhmns_to_scalar(DateIn(:,1),DateIn(:,2),DateIn(:,3),DateIn(:,4),DateIn(:,5),DateIn(:,6));
end
break
case 3
YearIn = varargin(1);
MonthIn = varargin(2);
DayIn = varargin(3);
// checks
if (type(YearIn)<> 1) | (type(MonthIn)<> 1) | (type(DayIn)<> 1) then
error(msprintf(gettext("%s: Wrong type for input arguments.\n"),"datenum"));
end
if (size(YearIn) <> size(MonthIn)) | (size(YearIn) <> size(DayIn)) then
error(msprintf(gettext("%s: Wrong size for input arguments: Same size expected.\n"),"datenum"));
end
if min(MonthIn)<1 | max(MonthIn)>12 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: Must be between %d and %d.\n"),"datenum",2,1,12));
end
if min(DayIn)<1 | max(DayIn)>31 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: Must be between %d and %d.\n"),"datenum",3,1,31));
end
[nr,nc] = size(YearIn);
n = ymdhmns_to_scalar(YearIn,MonthIn,DayIn,zeros(nr,nc),zeros(nr,nc),zeros(nr,nc));
break
case 6
YearIn = varargin(1);
MonthIn = varargin(2);
DayIn = varargin(3);
HourIn = varargin(4);
MinIn = varargin(5);
SecIn = varargin(6);
// checks
if (type(YearIn) <> 1) | ..
(type(MonthIn)<> 1) | ..
(type(DayIn) <> 1) | ..
(type(HourIn) <> 1) | ..
(type(MinIn) <> 1) | ..
(type(SecIn) <> 1) then
error(msprintf(gettext("%s: Wrong type for input arguments.\n"),"datenum"));
end
if (size(YearIn) <> size(MonthIn)) | ..
(size(YearIn) <> size(DayIn)) | ..
(size(YearIn) <> size(HourIn)) | ..
(size(YearIn) <> size(MinIn)) | ..
(size(YearIn) <> size(SecIn)) then
error(msprintf(gettext("%s: Wrong size for input arguments: Same size expected.\n"),"datenum"));
end
if min(MonthIn)<1 | max(MonthIn)>12 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: Must be between %d and %d.\n"),"datenum",2,1,12));
end
if min(DayIn)<1 | max(DayIn)>31 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: Must be between %d and %d.\n"),"datenum",3,1,31));
end
if min(HourIn)<0 | max(HourIn)>23 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: Must be between %d and %d.\n"),"datenum",4,0,23));
end
if min(MinIn)<0 | max(MinIn)>59 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: Must be between %d and %d.\n"),"datenum",5,0,59));
end
if min(SecIn)<0 | max(SecIn)>=60 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: Must be between %d and %d.\n"),"datenum",6,0,59));
end
n = ymdhmns_to_scalar(YearIn,MonthIn,DayIn,HourIn,MinIn,SecIn);
break
else
error(msprintf(gettext("%s: Wrong number of input argument.\n"),"datenum"));
end
endfunction
function scalaire=ymdhmns_to_scalar (annee,mois,jour,heure,mn,seconde)
decimal_part = (seconde*(1/(24*3600)))+(mn*(1/(24*60)))+(heure*(1/24));
// convert of month and day
integer_part = jour + floor((mois * 3057 - 3007) / 100);
// On retranche 1 si le mois est au dela de février
integer_part = integer_part + ((mois < 3) - 1);
// On retranche encore 1 si le mois est au dela de février et année non bissextile
integer_part = integer_part + (((mois < 3)|(isLeapYear(annee))) -1);
// Convertion des année
leap_year_case = annee * 365 + (annee / 4) - floor(annee / 100) + floor(annee / 400);
not_leap_year_case = annee * 365 + floor(annee/4) + 1 - floor(annee / 100) + floor(annee / 400);
leap_year_case(~isLeapYear(annee)) = 0;
not_leap_year_case(isLeapYear(annee)) = 0;
integer_part = integer_part + leap_year_case + not_leap_year_case;
scalaire = integer_part+decimal_part;
endfunction
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