diff options
Diffstat (limited to 'src/f1.f90')
| -rw-r--r-- | src/f1.f90 | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -6,9 +6,9 @@ PROGRAM test INCLUDE 'fftw3.f03' integer, parameter :: npoints = 1024, ncomplex = npoints / 2 + 1 - real(C_DOUBLE), parameter :: start = 0, end = 1 + real(kind=8), parameter :: start = 0, end = 1 integer :: i - real(C_DOUBLE) :: t, & + real(kind=8) :: t, & delta = (end - start) / real(npoints - 1, C_DOUBLE) type(C_PTR) :: p_real, p_complex, plan @@ -51,7 +51,7 @@ PROGRAM test DO i = 1, npoints t = (i - 1) * delta + start - arr_real(i) = f1(t) + arr_real(i) = real(f1(t), C_DOUBLE) ! write(*,*) t, " ", arr_real(i) @@ -70,9 +70,9 @@ PROGRAM test CONTAINS - PURE real(C_DOUBLE) FUNCTION f1(t) - real(C_DOUBLE), intent(in) :: t - real(C_DOUBLE), parameter :: pi = acos(-1.0) + PURE real(kind=8) FUNCTION f1(t) + real(kind=8), intent(in) :: t + real(kind=8), parameter :: pi = acos(-1.0) f1 = sin(2 * pi * t * 200) + 2 * sin(2 * pi * t * 400) |