From 6d5365e481543db9e3070225ebd7bc11a7562215 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Thu, 4 Mar 2021 15:32:13 +0100
Subject: SLURM: Add one to serial offsets

They should start from 1, not 0.
---
 src/gui_backend_slurm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/gui_backend_slurm.c')

diff --git a/src/gui_backend_slurm.c b/src/gui_backend_slurm.c
index 57e8686f..eb20beca 100644
--- a/src/gui_backend_slurm.c
+++ b/src/gui_backend_slurm.c
@@ -622,7 +622,7 @@ static void *run_indexing(const char *job_title,
 	if ( sc_filename == NULL ) return NULL;
 
 	snprintf(array_inx, 127, "0-%i", n_blocks-1);
-	snprintf(serial_offs, 127, "$((${SLURM_ARRAY_TASK_ID}*%i))",
+	snprintf(serial_offs, 127, "$((${SLURM_ARRAY_TASK_ID}*%i+1))",
 	         opts->block_size);
 
 	if ( !write_indexamajig_script(sc_filename,
-- 
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