From b51d193a5286ace766d7788736bb41fe3e3722a9 Mon Sep 17 00:00:00 2001
From: Moritz Blumenthal <blumenthal@tugraz.at>
Date: Sat, 7 Sep 2024 18:51:05 +0200
Subject: [PATCH] error for DFT on gpu (Closes ##322)

---
 src/nufft.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/nufft.c b/src/nufft.c
index 554804d85..0f97220a2 100644
--- a/src/nufft.c
+++ b/src/nufft.c
@@ -95,6 +95,20 @@ int main_nufft(int argc, char* argv[argc])
 
 	cmdline(&argc, argv, ARRAY_SIZE(args), args, help_str, ARRAY_SIZE(opts), opts);
 
+	if (dft) {
+
+		if (bart_use_gpu)
+			error("DFT not supported on GPU.\n");
+
+		num_init();
+
+		bart_use_gpu = false;
+
+	} else {
+
+		num_init_gpu_support();
+	}
+
 	if (adjoint && inverse)
 		error("Adjoint and inverse requested at the same time.\n");
 
@@ -131,8 +145,6 @@ int main_nufft(int argc, char* argv[argc])
 					coilest_dims[0], coilest_dims[1], coilest_dims[2]);
 	}
 
-	num_init_gpu_support();
-
 	long basis_dims[DIMS];
 	complex float* basis = NULL;