fortran 数据类型

 1 Program wf
 2     Implicit None
 3     Integer ,parameter ::KI=Selected_Int_Kind(9)
 4     Real (Kind=KI)::m=0.0
 5     Integer(Kind=KI)::i=0,j,k
 6     write(*,*) Kind(i),i
 7     write(*,*) Kind(m),m
 8     
 9     write(*,*) huge(i)
10     write(*,*) huge(m)
11     i=i+100_KI
12     m=m+100_KI
13     write(*,*) i
14     write(*,*) m
15 end

Selected_real_kind(n,e) : 返回如果想要能够记录具有N位有效位数、指数达到e位的浮点数所需要的kind值。返回-1表示无法满足所要求的有效位数、返回-2表示无法满足所要求的指数范围、返回-3表示两者都无法满足

 1 program ex1
 2     implicit none
 3     type :: Person
 4         !integer DP=Selected_Integer_Kind(14)
 5         integer(kind=8) :: PersonId
 6         character(len=12)::Name
 7         character(len=100)::Add
 8     end type
 9     type(Person):: ZhuBinglong
10     ZhuBinglong%PersonId=110901199510096895
11     ZhuBinglong%Name="ZhuBinglong"
12     ZhuBinglong%Add="HaiDian District Beijing"
13     write(*,*) "please print the person's information:"
14     write(*,*) 'the person PersonId:',ZhuBinglong%PersonId
15     write(*,*) "the person name:",ZhuBinglong%Name
16     write(*,*) "the person's address:",ZhuBinglong%Add
17     print *,"program terminated"
18     stop
19     end program ex1