YAPC::EU 2018 Glasgow Update!

This commit is contained in:
Ingy döt Net 2018-08-17 15:15:24 +01:00
parent 22f33d4004
commit 4e2d22a71d
1170 changed files with 15042 additions and 3047 deletions

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@ -1,24 +1,22 @@
FUNCTION IFIB(N)
IF (N.EQ.0) THEN
ITEMP0=0
ELSE IF (N.EQ.1) THEN
ITEMP0=1
ELSE IF (N.GT.1) THEN
ITEMP1=0
ITEMP0=1
DO 1 I=2,N
ITEMP2=ITEMP1
ITEMP1=ITEMP0
ITEMP0=ITEMP1+ITEMP2
1 CONTINUE
ELSE
ITEMP1=1
ITEMP0=0
DO 2 I=-1,N,-1
ITEMP2=ITEMP1
ITEMP1=ITEMP0
ITEMP0=ITEMP2-ITEMP1
2 CONTINUE
END IF
IFIB=ITEMP0
C FIBONACCI SEQUENCE - FORTRAN IV
NN=46
DO 1 I=0,NN
1 WRITE(*,300) I,IFIBO(I)
300 FORMAT(1X,I2,1X,I10)
END
C
FUNCTION IFIBO(N)
IF(N) 9,1,2
1 IFN=0
GOTO 9
2 IF(N-1) 9,3,4
3 IFN=1
GOTO 9
4 IFNM1=0
IFN=1
DO 5 I=2,N
IFNM2=IFNM1
IFNM1=IFN
5 IFN=IFNM1+IFNM2
9 IFIBO=IFN
END

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@ -1,11 +1,24 @@
EXTERNAL IFIB
CHARACTER*10 LINE
PARAMETER ( LINE = '----------' )
WRITE(*,900) 'N', 'F[N]', 'F[-N]'
WRITE(*,900) LINE, LINE, LINE
DO 1 N = 0, 10
WRITE(*,901) N, IFIB(N), IFIB(-N)
1 CONTINUE
900 FORMAT(3(X,A10))
901 FORMAT(3(X,I10))
FUNCTION IFIB(N)
IF (N.EQ.0) THEN
ITEMP0=0
ELSE IF (N.EQ.1) THEN
ITEMP0=1
ELSE IF (N.GT.1) THEN
ITEMP1=0
ITEMP0=1
DO 1 I=2,N
ITEMP2=ITEMP1
ITEMP1=ITEMP0
ITEMP0=ITEMP1+ITEMP2
1 CONTINUE
ELSE
ITEMP1=1
ITEMP0=0
DO 2 I=-1,N,-1
ITEMP2=ITEMP1
ITEMP1=ITEMP0
ITEMP0=ITEMP2-ITEMP1
2 CONTINUE
END IF
IFIB=ITEMP0
END

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@ -1,12 +1,11 @@
module fibonacci
contains
recursive function fibR(n) result(fib)
integer, intent(in) :: n
integer :: fib
select case (n)
case (:0); fib = 0
case (1); fib = 1
case default; fib = fibR(n-1) + fibR(n-2)
end select
end function fibR
EXTERNAL IFIB
CHARACTER*10 LINE
PARAMETER ( LINE = '----------' )
WRITE(*,900) 'N', 'F[N]', 'F[-N]'
WRITE(*,900) LINE, LINE, LINE
DO 1 N = 0, 10
WRITE(*,901) N, IFIB(N), IFIB(-N)
1 CONTINUE
900 FORMAT(3(X,A10))
901 FORMAT(3(X,I10))
END

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@ -1,20 +1,12 @@
function fibI(n)
module fibonacci
contains
recursive function fibR(n) result(fib)
integer, intent(in) :: n
integer, parameter :: fib0 = 0, fib1 = 1
integer :: fibI, back1, back2, i
integer :: fib
select case (n)
case (:0); fibI = fib0
case (1); fibI = fib1
case default
fibI = fib1
back1 = fib0
do i = 2, n
back2 = back1
back1 = fibI
fibI = back1 + back2
end do
end select
end function fibI
end module fibonacci
case (:0); fib = 0
case (1); fib = 1
case default; fib = fibR(n-1) + fibR(n-2)
end select
end function fibR

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@ -1,7 +1,20 @@
program fibTest
use fibonacci
function fibI(n)
integer, intent(in) :: n
integer, parameter :: fib0 = 0, fib1 = 1
integer :: fibI, back1, back2, i
do i = 0, 10
print *, fibr(i), fibi(i)
end do
end program fibTest
select case (n)
case (:0); fibI = fib0
case (1); fibI = fib1
case default
fibI = fib1
back1 = fib0
do i = 2, n
back2 = back1
back1 = fibI
fibI = back1 + back2
end do
end select
end function fibI
end module fibonacci

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@ -0,0 +1,7 @@
program fibTest
use fibonacci
do i = 0, 10
print *, fibr(i), fibi(i)
end do
end program fibTest