From e1eccfad3f3b4e9e2ac94ca9a43256144ef72888 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Mon, 5 Jul 2010 16:18:09 +0200
Subject: add intitial support for the vectorization of complex<float>

---
 bench/bench_gemm.cpp | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'bench/bench_gemm.cpp')

diff --git a/bench/bench_gemm.cpp b/bench/bench_gemm.cpp
index 4142236e9..0da87b583 100644
--- a/bench/bench_gemm.cpp
+++ b/bench/bench_gemm.cpp
@@ -10,7 +10,7 @@ using namespace std;
 using namespace Eigen;
 
 #ifndef SCALAR
-#define SCALAR float
+#define SCALAR std::complex<float>
 #endif
 
 typedef SCALAR Scalar;
@@ -26,6 +26,8 @@ static float fone = 1;
 static float fzero = 0;
 static double done = 1;
 static double szero = 0;
+static std::complex<float> cfone = 1;
+static std::complex<float> cfzero = 0;
 static char notrans = 'N';
 static char trans = 'T';
 static char nonunit = 'N';
@@ -44,6 +46,17 @@ void blas_gemm(const MatrixXf& a, const MatrixXf& b, MatrixXf& c)
          c.data(),&ldc);
 }
 
+void blas_gemm(const MatrixXcf& a, const MatrixXcf& b, MatrixXcf& c)
+{
+  int M = c.rows(); int N = c.cols(); int K = a.cols();
+  int lda = a.rows(); int ldb = b.rows(); int ldc = c.rows();
+
+  cgemm_(&notrans,&notrans,&M,&N,&K,(float*)&cfone,
+         const_cast<float*>((const float*)a.data()),&lda,
+         const_cast<float*>((const float*)b.data()),&ldb,(float*)&cfone,
+         (float*)c.data(),&ldc);
+}
+
 void blas_gemm(const MatrixXd& a, const MatrixXd& b, MatrixXd& c)
 {
   int M = c.rows(); int N = c.cols(); int K = a.cols();
@@ -98,7 +111,7 @@ int main(int argc, char ** argv)
   }
 
   if(cache_size>0)
-    setCpuCacheSizes(cache_size,32*cache_size);
+    setCpuCacheSizes(cache_size,96*cache_size);
 
   int m = s;
   int n = s;
-- 
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