diff options
Diffstat (limited to 'numpy/f2py/docs/usersguide/fib1.f')
| -rw-r--r-- | numpy/f2py/docs/usersguide/fib1.f | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/numpy/f2py/docs/usersguide/fib1.f b/numpy/f2py/docs/usersguide/fib1.f new file mode 100644 index 000000000..cfbb1eea0 --- /dev/null +++ b/numpy/f2py/docs/usersguide/fib1.f @@ -0,0 +1,18 @@ +C FILE: FIB1.F + SUBROUTINE FIB(A,N) +C +C CALCULATE FIRST N FIBONACCI NUMBERS +C + INTEGER N + REAL*8 A(N) + DO I=1,N + IF (I.EQ.1) THEN + A(I) = 0.0D0 + ELSEIF (I.EQ.2) THEN + A(I) = 1.0D0 + ELSE + A(I) = A(I-1) + A(I-2) + ENDIF + ENDDO + END +C END FILE FIB1.F |