From a2af77aac78f74ab1ecbe8aae77045b87b7bc428 Mon Sep 17 00:00:00 2001
From: Nick Wogan <nicholaswogan@gmail.com>
Date: Mon, 8 Apr 2024 13:34:38 -0700
Subject: [PATCH] fypp depndency and memtest for autodiff

---
 pyproject.toml    |  2 +-
 tests/memtest.f90 | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 0cd05c9..a9c09fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,2 +1,2 @@
 [build-system]
-requires = ["setuptools>=42", "wheel", "scikit-build", "cmake>=3.12", "ninja", "numpy", "cython"]
+requires = ["setuptools>=42", "wheel", "scikit-build", "cmake>=3.12", "ninja", "numpy", "cython","fypp"]
diff --git a/tests/memtest.f90 b/tests/memtest.f90
index 2a870d5..046d856 100644
--- a/tests/memtest.f90
+++ b/tests/memtest.f90
@@ -20,6 +20,7 @@ program memtest
   call test_custom_binary_diffusion(pcs)
   call test_update_vertical_grid(pcs)
   call test_press_temp_edd(pcs)
+  call test_autodiff(pcs)
   
 contains
   
@@ -308,5 +309,34 @@ subroutine test_press_temp_edd(pc)
     endif
 
   end subroutine
+
+  subroutine test_autodiff(pc)
+    type(Atmosphere), intent(inout) :: pc
+    
+    character(:), allocatable :: err
+    real(dp) :: tn
+
+    pc%var%autodiff = .true.
+    pc%var%atol = 1.0e-20_dp
+    
+    call pc%initialize_stepper(pc%var%usol_init, err)
+    if (allocated(err)) then
+      print*,trim(err)
+      stop 1
+    endif
+    
+    tn = pc%step(err)
+    if (allocated(err)) then
+      print*,trim(err)
+      stop 1
+    endif
+
+    call pc%destroy_stepper(err)
+    if (allocated(err)) then
+      print*,trim(err)
+      stop 1
+    endif
+    
+  end subroutine
   
 end program
\ No newline at end of file