/*************************************************************** * * * 作者: 王少培 * 文件名: MathUtil.h * 创建时间: * ***************************************************************/ #include "UnitUtil.h" #define HOURS_PER_DAY 24 #define MINUTES_PER_HOUR 60 #define SECONDS_PER_MINUTE 60 int CUnitUtil::DayToHour( int day ) { return day * HOURS_PER_DAY; } double CUnitUtil::HourToDay( int hour ) { return (double)hour / HOURS_PER_DAY; } int CUnitUtil::HourToMinute( int hour ) { return hour * MINUTES_PER_HOUR; } double CUnitUtil::MinuteToHour( int minute ) { return (double)minute / MINUTES_PER_HOUR; } int CUnitUtil::MinuteToSecond( int minute ) { return minute * SECONDS_PER_MINUTE; } double CUnitUtil::SecondToMinute( int second ) { return (double)second / SECONDS_PER_MINUTE; }