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-rw-r--r--boltzgen/kernel/template/preamble.cl.mako7
1 files changed, 7 insertions, 0 deletions
diff --git a/boltzgen/kernel/template/preamble.cl.mako b/boltzgen/kernel/template/preamble.cl.mako
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+++ b/boltzgen/kernel/template/preamble.cl.mako
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+% if float_type == 'double':
+#if defined(cl_khr_fp64)
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+#elif defined(cl_amd_fp64)
+#pragma OPENCL EXTENSION cl_amd_fp64 : enable
+#endif
+% endif