1 files changed, 87 insertions, 0 deletions
diff --git a/volk/lib/qa_8sc_multiply_conjugate_32fc_aligned16.cc b/volk/lib/qa_8sc_multiply_conjugate_32fc_aligned16.cc
new file mode 100644
index 000000000..4c707446e
--- /dev/null
+++ b/volk/lib/qa_8sc_multiply_conjugate_32fc_aligned16.cc
@@ -0,0 +1,87 @@
+#include <volk/volk_runtime.h>
+#include <volk/volk.h>
+#include <qa_8sc_multiply_conjugate_32fc_aligned16.h>
+#include <stdlib.h>
+#include <math.h>
+#include <ctime>
+
+#define assertcomplexEqual(expected, actual, delta)			\
+  CPPUNIT_ASSERT_DOUBLES_EQUAL (std::real(expected), std::real(actual), fabs(std::real(expected)) * delta); \
+  CPPUNIT_ASSERT_DOUBLES_EQUAL (std::imag(expected), std::imag(actual), fabs(std::imag(expected))* delta);	
+
+#define	ERR_DELTA	(1e-4)
+
+#ifndef LV_HAVE_SSE4_1
+
+void qa_8sc_multiply_conjugate_32fc_aligned16::t1() {
+  printf("sse4.1 not available... no test performed\n");
+}
+
+#else
+
+void qa_8sc_multiply_conjugate_32fc_aligned16::t1() {
+  
+  
+  volk_runtime_init();
+
+  const int vlen = 2046;
+  const int ITERS = 100000;
+
+  volk_environment_init();
+  int ret;
+  clock_t start, end;
+  double total;
+  std::complex<int8_t>* input;
+  std::complex<int8_t>* taps;
+  
+  std::complex<float>* result_generic;
+  std::complex<float>* result_sse4_1;
+  int i;
+  int8_t* inputInt8_T;
+  int8_t* tapsInt8_T;
+
+  ret = posix_memalign((void**)&input, 16, vlen*2*sizeof(int8_t));
+  ret = posix_memalign((void**)&taps, 16, vlen*2*sizeof(int8_t));
+  ret = posix_memalign((void**)&result_generic, 16, vlen*2*sizeof(float));
+  ret = posix_memalign((void**)&result_sse4_1, 16, vlen*2*sizeof(float));
+  
+
+  inputInt8_T = (int8_t*)input;
+  tapsInt8_T = (int8_t*)taps;
+  for(int i = 0; i < vlen*2; ++i) {   
+    inputInt8_T[i] =((int8_t)((((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2))) * 128.0));
+    tapsInt8_T[i] =((int8_t)((((float) (rand() - (RAND_MAX/2))) / static_cast<float>((RAND_MAX/2))) * 128.0));
+  }
+  
+  printf("8sc_multiply_conjugate_32fc_aligned16\n");
+
+  start = clock();
+  for(int count = 0; count < ITERS; ++count) {
+    volk_8sc_multiply_conjugate_32fc_aligned16_manual(result_generic, (const std::complex<int8_t>*)input, (const std::complex<int8_t>*)taps, 32768.0, vlen,  "generic");
+  }
+  end = clock();
+  total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+  printf("generic_time: %f\n", total);
+
+
+  start = clock();
+  for(int count = 0; count < ITERS; ++count) {
+    get_volk_runtime()->volk_8sc_multiply_conjugate_32fc_aligned16(result_sse4_1, (const std::complex<int8_t>*)input, (const std::complex<int8_t>*)taps, 32768.0, vlen);
+  }
+  end = clock();
+  total = (double)(end-start)/(double)CLOCKS_PER_SEC;
+  printf("sse4_1_time: %f\n", total);
+
+  for(i = 0; i < vlen; i++){
+    //printf("%d %d+%di %d+%di -> %e+%ei %e+%ei\n", i, std::real(input[i]), std::imag(input[i]), std::real(taps[i]), std::imag(taps[i]), std::real(result_generic[i]), std::imag(result_generic[i]), std::real(result_sse4_1[i]), std::imag(result_sse4_1[i]));
+    assertcomplexEqual(result_generic[i], result_sse4_1[i], ERR_DELTA);
+  }
+
+  free(input);
+  free(taps);
+  free(result_generic);
+  free(result_sse4_1);
+  
+}
+
+#endif /*LV_HAVE_SSE4_1*/