aboutsummaryrefslogtreecommitdiff
path: root/boltzgen/kernel/template/collect_moments.cpp.mako
diff options
context:
space:
mode:
Diffstat (limited to 'boltzgen/kernel/template/collect_moments.cpp.mako')
-rw-r--r--boltzgen/kernel/template/collect_moments.cpp.mako24
1 files changed, 24 insertions, 0 deletions
diff --git a/boltzgen/kernel/template/collect_moments.cpp.mako b/boltzgen/kernel/template/collect_moments.cpp.mako
new file mode 100644
index 0000000..8c37db2
--- /dev/null
+++ b/boltzgen/kernel/template/collect_moments.cpp.mako
@@ -0,0 +1,24 @@
+void collect_moments(const ${float_type}* f,
+ std::size_t gid,
+ ${float_type}& rho,
+ ${float_type} u[${descriptor.d}])
+{
+ const ${float_type}* preshifted_f = f + gid*${layout.gid_offset()};
+
+% for i in range(0,descriptor.q):
+ const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(i)}];
+% endfor
+
+% for i, expr in enumerate(moments_subexpr):
+ const ${float_type} ${expr[0]} = ${ccode(expr[1])};
+% endfor
+
+% for i, expr in enumerate(moments_assignment):
+% if i == 0:
+ rho = ${ccode(expr.rhs)};
+% else:
+ u[${i-1}] = ${ccode(expr.rhs)};
+% endif
+% endfor
+}
+