relion: add patch to repair DoublePrec_CPU=OFF build (#35317)

* relion: add patch to repair DoublePrec_CPU=OFF build
* relion: added maintainer

Co-authored-by: Daniele Colombo <daniele.colombo@fht.org>

var/spack/repos/builtin/packages/relion/0003-Repair-DoublePrec_CPU-OFF-build-as-reported-by-Filip.patch

@@ -0,0 +1,26 @@
+From 2daa7447c1c871be062cce99109b6041955ec5e9 Mon Sep 17 00:00:00 2001
+From: Takanori Nakane <nakane.t@gmail.com>
+Date: Thu, 29 Sep 2022 17:10:09 +0900
+Subject: [PATCH] Repair DoublePrec_CPU=OFF build (as reported by @FilipeMaia).
+
+---
+ src/ml_optimiser.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/ml_optimiser.cpp b/src/ml_optimiser.cpp
+index b1148ceb..5643b092 100644
+--- a/src/ml_optimiser.cpp
++++ b/src/ml_optimiser.cpp
+@@ -6491,7 +6491,7 @@ void MlOptimiser::precalculateShiftedImagesCtfsAndInvSigma2s(bool do_also_unmask
+
+         if (do_subtomo_correction)
+                {
+-                       MultidimArray<double> STmult;
++                       MultidimArray<RFLOAT> STmult;
+             windowFourierTransform(exp_STMulti[img_id], STmult, exp_current_image_size);
+
+             if (is_for_store_wsums)
+-- 
+2.18.4
+
+

var/spack/repos/builtin/packages/relion/package.py

@@ -15,6 +15,7 @@ class Relion(CMakePackage, CudaPackage):
     homepage = "http://www2.mrc-lmb.cam.ac.uk/relion"
     git = "https://github.com/3dem/relion.git"
     url = "https://github.com/3dem/relion/archive/4.0.0.zip"
+    maintainers("dacolombo")
 
     version("4.0.0", sha256="0987e684e9d2dfd630f1ad26a6847493fe9fcd829ec251d8bc471d11701d51dd")
 
@@ -94,6 +95,7 @@ class Relion(CMakePackage, CudaPackage):
     # - Gctf
     # - ResMap
     patch("0002-Simple-patch-to-fix-intel-mkl-linking.patch", when="@:3.1.1 os=ubuntu18.04")
+    patch("0003-Repair-DoublePrec_CPU-OFF-build-as-reported-by-Filip.patch", when="@4.0.0")
 
     def cmake_args(self):
         args = [