RosettaCodeData/Task/Averages-Mean-angle/Fortran/averages-mean-angle.f
2023-07-01 13:44:08 -04:00

36 lines
1.3 KiB
Fortran

!-*- mode: compilation; default-directory: "/tmp/" -*-
!Compilation started at Mon Jun 3 18:07:59
!
!a=./f && make $a && OMP_NUM_THREADS=2 $a
!gfortran -std=f2008 -Wall -fopenmp -ffree-form -fall-intrinsics -fimplicit-none f.f08 -o f
! -7.80250048E-06 350 10
! 90.0000000 90 180 270 360
! 19.9999962 10 20 30
!
!Compilation finished at Mon Jun 3 18:07:59
program average_angles
!real(kind=8), parameter :: TAU = 6.283185307179586232 ! http://tauday.com/
!integer, dimension(13), parameter :: test_data = (/2,350,10, 4,90,180,270,360, 3,10,20,30, 0/)
!integer :: i, j, n
!complex(kind=16) :: some
!real(kind=8) :: angle
real, parameter :: TAU = 6.283185307179586232 ! http://tauday.com/
integer, dimension(13), parameter :: test_data = (/2,350,10, 4,90,180,270,360, 3,10,20,30, 0/)
integer :: i, j, n
complex :: some
real :: angle
i = 1
n = int(test_data(i))
do while (0 .lt. n)
some = 0
do j = 1, n
angle = (TAU/360)*test_data(i+j)
some = some + cmplx(cos(angle), sin(angle))
end do
some = some / n
write(6,*)(360/TAU)*atan2(aimag(some), real(some)),test_data(i+1:i+n)
i = i + n + 1
n = int(test_data(i))
end do
end program average_angles