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-rw-r--r--boltzgen/kernel/generator.py16
1 files changed, 16 insertions, 0 deletions
diff --git a/boltzgen/kernel/generator.py b/boltzgen/kernel/generator.py
index 30e2c04..92ceb72 100644
--- a/boltzgen/kernel/generator.py
+++ b/boltzgen/kernel/generator.py
@@ -50,3 +50,19 @@ class Generator:
raise Exception('Geometry dimension must match descriptor dimension')
return "\n".join(map(lambda f: self.instantiate(f, geometry, extras), functions))
+
+ def custom(self, geometry, source):
+ return Template(text = source).render(
+ descriptor = self.descriptor,
+ geometry = geometry,
+ index = self.index_impl(geometry),
+ layout = self.layout_impl(self.descriptor, self.index_impl, geometry),
+
+ moments_subexpr = self.moments[0],
+ moments_assignment = self.moments[1],
+ collision_subexpr = self.collision[0],
+ collision_assignment = self.collision[1],
+ ccode = sympy.ccode,
+
+ float_type = self.float_type,
+ )