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authorMatthias P. Braendli <matthias.braendli@mpb.li>2017-08-18 14:23:01 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2017-08-18 14:23:01 +0200
commite9a84050dec5f941fadd8c53b4f672609885f463 (patch)
treea8ad26b77d6c8e06f51e79d0c23fef3d85311fd2 /src/MemlessPoly.cpp
parent20f50f4cbf225f014466963abf576a2a65976063 (diff)
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Add restrict keyword for DPD apply_coeff
Diffstat (limited to 'src/MemlessPoly.cpp')
-rw-r--r--src/MemlessPoly.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/MemlessPoly.cpp b/src/MemlessPoly.cpp
index 0cc04f2..6686c41 100644
--- a/src/MemlessPoly.cpp
+++ b/src/MemlessPoly.cpp
@@ -118,10 +118,14 @@ void MemlessPoly::load_coefficients(const std::string &coefFile)
}
}
+/* The restrict keyword is C99, g++ and clang++ however support __restrict
+ * instead, and this allows the compiler to auto-vectorize the loop.
+ */
+
static void apply_coeff(
const vector<complexf> &coefs,
- const complexf* in, size_t start, size_t stop,
- complexf* out)
+ const complexf *__restrict in, size_t start, size_t stop,
+ complexf *__restrict out)
{
for (size_t i = start; i < stop; i++) {