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-rw-r--r--dev/a3-earthquake/date.cc127
1 files changed, 0 insertions, 127 deletions
diff --git a/dev/a3-earthquake/date.cc b/dev/a3-earthquake/date.cc
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--- a/dev/a3-earthquake/date.cc
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-/** CSci-4611 Assignment 3: Earthquake
- */
-
-#include <ctime>
-#include "date.h"
-
-using namespace std;
-
-const int SECONDS_PER_4_YEARS=126230400;
-
-Date::Date() {
- year_ = 0;
- month_ = 0;
- day_ = 0;
- hour_ = 0;
- minute_ = 0;
- second_ = 0;
- ctime_ = 0;
- fouryears_ = 0;
-}
-
-// for visual studio, disable warning about localtime being unsafe
-#pragma warning(push)
-#pragma warning(disable: 4996)
-
-Date::Date(double seconds) {
- double tweakedSeconds = seconds;
- fouryears_ = 0;
- while (tweakedSeconds < 0) {
- tweakedSeconds += SECONDS_PER_4_YEARS;
- fouryears_++;
- }
- ctime_ = int(tweakedSeconds);
- tm *t;
- t = localtime(&ctime_);
- year_ = t->tm_year + 1900 - 4 * fouryears_;
- month_ = t->tm_mon + 1;
- day_ = t->tm_mday;
- hour_ = t->tm_hour;
- minute_ = t->tm_min;
- second_ = t->tm_sec + (tweakedSeconds - ctime_);
-}
-
-#pragma warning(pop)
-
-Date::Date(int m, int d, int y) {
- month_ = m;
- day_ = d;
- year_ = y;
- hour_ = 0;
- minute_ = 0;
- second_ = 0;
- fouryears_ = 0;
- tm t;
- while (year_ + fouryears_*4 < 1970) {
- fouryears_++;
- }
- t.tm_year = year_ - 1900 + fouryears_ * 4;
- t.tm_mon = month_ - 1;
- t.tm_mday = day_;
- t.tm_hour = 0;
- t.tm_min = 0;
- t.tm_sec = 0;
- ctime_ = mktime(&t);
-}
-
-Date::Date(int m, int d, int y, int hr, int min, double sec) {
- month_ = m;
- day_ = d;
- year_ = y;
- hour_ = hr;
- minute_ = min;
- second_ = sec;
- fouryears_ = 0;
- tm t;
- while (year_ + fouryears_*4 < 1970) {
- fouryears_++;
- }
- t.tm_year = year_ - 1900 + fouryears_ * 4;
- t.tm_mon = month_ - 1;
- t.tm_mday = day_;
- t.tm_hour = hour_;
- t.tm_min = minute_;
- t.tm_sec = int(second_);
- ctime_ = mktime(&t);
-}
-
-bool Date::operator<(const Date& other) {
- return ToSeconds() < other.ToSeconds();
-}
-
-bool Date::operator>(const Date& other) {
- return ToSeconds() > other.ToSeconds();
-}
-
-double Date::ToSeconds() const {
- return ctime_ + second_ - int(second_) - double(fouryears_) * SECONDS_PER_4_YEARS;
-}
-
-double Date::SecondsUntil(const Date& other) const {
- return ToSeconds() - other.ToSeconds();
-}
-
-
-int Date::year() {
- return year_;
-}
-
-int Date::month() {
- return month_;
-}
-
-int Date::day() {
- return day_;
-}
-
-int Date::hour() {
- return hour_;
-}
-
-int Date::minute() {
- return minute_;
-}
-
-double Date::second() {
- return second_;
-}