Initial commit

src/CMakeLists.txt

@@ -0,0 +1,9 @@
+add_library(trigdx reference.cpp)
+
+target_include_directories(trigdx PUBLIC ${PROJECT_SOURCE_DIR}/include)
+
+if(USE_MKL)
+  find_package(MKL REQUIRED)
+  target_sources(trigdx PRIVATE mkl.cpp)
+  target_link_libraries(trigdx PRIVATE MKL::MKL)
+endif()

src/mkl.cpp

@@ -0,0 +1,16 @@
+#include <mkl_vml.h>
+
+#include "trigdx/mkl.hpp"
+
+void MKLBackend::compute_sinf(size_t n, const float *x, float *s) const {
+  vmsSin(static_cast<MKL_INT>(n), x, s, VML_HA);
+}
+
+void MKLBackend::compute_cosf(size_t n, const float *x, float *c) const {
+  vmsCos(static_cast<MKL_INT>(n), x, c, VML_HA);
+}
+
+void MKLBackend::compute_sincosf(size_t n, const float *x, float *s,
+                                 float *c) const {
+  vmsSinCos(static_cast<MKL_INT>(n), x, s, c, VML_HA);
+}

src/reference.cpp

@@ -0,0 +1,23 @@
+#include <cmath>
+
+#include "trigdx/reference.hpp"
+
+void ReferenceBackend::compute_sinf(size_t n, const float *x, float *s) const {
+  for (size_t i = 0; i < n; ++i) {
+    s[i] = std::sinf(x[i]);
+  }
+}
+
+void ReferenceBackend::compute_cosf(size_t n, const float *x, float *c) const {
+  for (size_t i = 0; i < n; ++i) {
+    c[i] = std::cosf(x[i]);
+  }
+}
+
+void ReferenceBackend::compute_sincosf(size_t n, const float *x, float *s,
+                                       float *c) const {
+  for (size_t i = 0; i < n; ++i) {
+    s[i] = std::sinf(x[i]);
+    c[i] = std::cosf(x[i]);
+  }
+}