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Merge pull request #21 from milancurcic/devel
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‎Makefile‎

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#
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# datetime-fortran Makefile
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#
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########################################################################
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# Compiler and flags
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### GNU ###
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FC = gfortran
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FCFLAGS = -Wall -O0 -C -fbacktrace
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# Rules
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all: datetime.f90
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$(FC) -c $(FCFLAGS) datetime.f90
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ar r libdatetime.a datetime.o
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.PHONY:
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FCFLAGS = -cpp -g -O0 -C -fbacktrace
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### Intel ###
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#FC = ifort
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#FCFLAGS = -cpp -g -O0 -C -traceback -assume realloc_lhs
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### Cray ###
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#FC = ftn
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#FCFLAGS = -O 0 -e Z -g
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########################################################################
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# Targets
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.PHONY: all datetime tests
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all: tests
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datetime:
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@echo "Building $@"
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$(MAKE) FC=$(FC) FCFLAGS="$(FCFLAGS)" --directory=src/lib
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tests: datetime
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@echo "Building $@"
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$(MAKE) FC=$(FC) FCFLAGS="$(FCFLAGS)" --directory=src/tests
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cp src/tests/datetime_tests .
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clean:
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rm -f datetime.o datetime_module.mod libdatetime.a
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$(MAKE) --directory=src/lib clean
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$(MAKE) --directory=src/tests clean
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rm -v datetime_tests

‎src/lib/Makefile‎

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#
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# datetime-fortran Makefile
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#
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.SUFFIXES: .f90 .o
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.PHONY: all datetime clean
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OBJS = datetime.o mod_datetime.o mod_timedelta.o mod_strftime.o mod_clock.o mod_constants.o
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.f90.o:
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$(FC) -c $(FCFLAGS) $<
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all:
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$(MAKE) datetime
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ar ruv libdatetime.a $(OBJS)
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datetime: datetime.o
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datetime.o: datetime.f90 mod_clock.o mod_datetime.o mod_strftime.o mod_timedelta.o
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mod_clock.o: mod_clock.f90 mod_datetime.o mod_timedelta.o
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mod_datetime.o: mod_datetime.f90 mod_constants.o mod_strftime.o mod_timedelta.o
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mod_timedelta.o: mod_timedelta.f90
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mod_strftime.o: mod_strftime.f90
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mod_constants.o: mod_constants.f90
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clean:
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rm -f *.o *.mod *.a

‎src/lib/datetime.f90‎

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!
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! datetime-fortran - A Fortran library for date and time manipulation
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! Copyright (c) 2013-2016, Wavebit Scientific LLC
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! All rights reserved.
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!
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! Licensed under the BSD-3 clause license. See LICENSE for details.
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!
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module datetime_module
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!=======================================================================
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!
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! Version: 1.3.0
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!
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! Last update: 2016-01-24
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!
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! Author: Milan Curcic <mcurcic@wavebitscientific.com>
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! Wavebit Scientific LLC
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!
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! Description: A Fortran module that provides time and date manipulation
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! facilities. Conforms to Fortran 2003 standard.
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!
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! Contains:
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!
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! types:
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!
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! datetime - Main datetime object
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! timedelta - Time difference object
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! clock - A generic clock container
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! tm_struct - For compatibility with C/C++ procedures
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!
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! datetime methods:
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!
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! procedure :: getYear
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! procedure :: getMonth
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! procedure :: getDay
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! procedure :: getHour
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! procedure :: getMinute
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! procedure :: getSecond
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! procedure :: getMillisecond
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! procedure :: isocalendar
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! procedure :: isoformat
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! procedure :: isValid
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! procedure :: now
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! procedure :: secondsSinceEpoch
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! procedure :: strftime
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! procedure :: tm
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! procedure :: tzOffset
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! procedure :: utc
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! procedure :: weekday
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! procedure :: weekdayShort
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! procedure :: weekdayLong
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! procedure :: yearday
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!
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! timedelta methods:
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!
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! procedure :: getDays
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! procedure :: getHours
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! procedure :: getMinutes
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! procedure :: getSeconds
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! procedure :: getMilliseconds
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! procedure :: total_seconds
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!
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! clock methods:
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!
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! procedure :: reset
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! procedure :: tick
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!
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! public procedures:
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!
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! function c_strftime
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! function c_strptime
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! function date2num
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! function datetimeRange
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! function daysInMonth
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! function daysInYear
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! function isLeapYear
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! function num2date
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! function strptime
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! function tm2date
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!
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!=======================================================================
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use mod_datetime, only:datetime,date2num,datetimeRange,daysInMonth,&
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daysInYear,isLeapYear,num2date,strptime,tm2date
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use mod_timedelta,only:timedelta
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use mod_clock, only:clock
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use mod_strftime, only:tm_struct,c_strftime,c_strptime
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!=======================================================================
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endmodule datetime_module

‎src/lib/mod_clock.f90‎

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!
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! datetime-fortran - A Fortran library for date and time manipulation
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! Copyright (c) 2013-2016, Wavebit Scientific LLC
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! All rights reserved.
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!
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! Licensed under the BSD-3 clause license. See LICENSE for details.
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!
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module mod_clock
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!=======================================================================
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!
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! mod_clock
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!
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!=======================================================================
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use,intrinsic :: iso_fortran_env,only:real32,real64
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use,intrinsic :: iso_c_binding,only:c_char,c_int,c_null_char
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use :: mod_datetime,only:datetime
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use :: mod_timedelta,only:timedelta
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implicit none
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private
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! Derived types:
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public :: clock
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type :: clock
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!! A clock object with a start, stop and current times, tick interval
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!! and tick methods.
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type(datetime) :: startTime ! = datetime()
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type(datetime) :: stopTime ! = datetime()
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type(datetime) :: currentTime! = datetime()
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type(timedelta) :: tickInterval! = timedelta(0)
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! May become Alarm class in some future release;
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! for now, just a switch
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logical :: alarm = .false.
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! Clock status flags
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logical :: started = .false.
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logical :: stopped = .false.
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contains
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procedure :: reset
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procedure :: tick
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endtype clock
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!=======================================================================
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contains
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!=======================================================================
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pure elemental subroutine reset(self)
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!! Resets the clock to its start time.
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class(clock),intent(inout) :: self
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self % currentTime = self % startTime
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self % started = .false.
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self % stopped = .false.
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endsubroutine reset
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!=======================================================================
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!=======================================================================
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pure elemental subroutine tick(self)
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!! Increments the currentTime of the clock instance by one tickInterval.
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class(clock),intent(inout) :: self
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if(self % stopped)then
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return
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endif
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if(.not.self % started)then
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self % started = .true.
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self % currentTime = self % startTime
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endif
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self % currentTime = self % currentTime + self % tickInterval
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if(self % currentTime >= self % stopTime)then
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self % stopped = .true.
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endif
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endsubroutine tick
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!=======================================================================
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endmodule mod_clock

‎src/lib/mod_constants.f90‎

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!
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! datetime-fortran - A Fortran library for date and time manipulation
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! Copyright (c) 2013-2016, Wavebit Scientific LLC
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! All rights reserved.
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!
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! Licensed under the BSD-3 clause license. See LICENSE for details.
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!
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module mod_constants
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!=======================================================================
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!
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! mod_constants: Basic constants and time conversion factors.
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!
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!=======================================================================
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use,intrinsic :: iso_fortran_env,only:real32,real64
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implicit none
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private
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public :: zero,one,d2h,h2d,d2m,m2d,m2h,s2d,d2s,h2s,s2h,m2s,s2m,MAXSTRLEN
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real(kind=real64),parameter :: zero = 0_real64 !! 0
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real(kind=real64),parameter :: one = 1_real64 !! 1
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! Constant multipliers that transform a number
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! of some time unit to another:
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real(kind=real64),parameter :: d2h = 24_real64 !! day -> hour
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real(kind=real64),parameter :: h2d = one/d2h !! hour -> day
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real(kind=real64),parameter :: d2m = d2h*60_real64 !! day -> minute
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real(kind=real64),parameter :: m2d = one/d2m !! minute -> day
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real(kind=real64),parameter :: m2h = one/60_real64 !! minute -> hour
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real(kind=real64),parameter :: s2d = m2d/60_real64 !! second -> day
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real(kind=real64),parameter :: d2s = 86400_real64 !! day -> second
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real(kind=real64),parameter :: h2s = 3600_real64 !! hour -> second
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real(kind=real64),parameter :: s2h = one/h2s !! second -> hour
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real(kind=real64),parameter :: m2s = 60_real64 !! minute -> second
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real(kind=real64),parameter :: s2m = one/m2s !! second -> minute
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! Maximum string length for strftime.
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! Constant for now; may become a preprocessor macro later.
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integer,parameter :: MAXSTRLEN = 99
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!=======================================================================
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endmodule mod_constants

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