From 76568c8f4afb19ef3ac352297925b01f95f4af1e Mon Sep 17 00:00:00 2001
From: andrescastellanos-coderabbit <andres.castellanos@coderabbit.ai>
Date: Fri, 24 Apr 2026 11:01:55 -0400
Subject: [PATCH] Fortitude Test

---
 fortitude/test.f90 | 66 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 fortitude/test.f90

diff --git a/fortitude/test.f90 b/fortitude/test.f90
new file mode 100644
index 0000000..e846e7a
--- /dev/null
+++ b/fortitude/test.f90
@@ -0,0 +1,66 @@
+module physics_utils
+contains
+
+    subroutine compute_energy(mass, velocity, energy)
+        real*8 :: mass, velocity, energy
+        energy = 0.5 * mass * velocity * velocity
+    end subroutine compute_energy
+
+    function square(x) result(y)
+        real :: x, y
+        y = x * x
+    end function square
+
+end module physics_utils
+
+
+subroutine loose_procedure(n, result)
+    integer :: n, result
+    integer :: i
+    result = 0
+    do i = 1, n
+        result = result + i
+    end do
+end subroutine loose_procedure
+
+
+function external_double(x)
+    real :: x, external_double
+    external_double = x * 2.0
+end function external_double
+
+
+program main
+    use physics_utils
+
+    real :: m, v, e
+    integer :: total, count
+    real :: pi
+    real, dimension(10) :: arr
+    integer :: i
+    real :: statfunc, z
+
+    common /shared_block/ pi, total
+
+    statfunc(z) = z * z + 1.0
+
+    pi = 3.14159
+    m = 1.5
+    v = 10.0d0
+    count = 100
+
+    call compute_energy(m, v, e)
+    print *, "Energy:", e
+    print *, "Square via statement function:", statfunc(4.0)
+
+    do 10 i = 1, 10
+        arr(i) = real(i) * 1.5
+        if (arr(i) .gt. 10.0) goto 20
+10  continue
+
+20  continue
+
+    call loose_procedure(10, total)
+    print *, "Total:", total
+
+end program main