[SYCL 1.2.1] Add check for FP64 support

Fixes #98
2021-05-17 15:25:43 +01:00 · 2021-05-17 15:25:43 +01:00 · e20aecd845
commit e20aecd845
parent cc16547e4d
1 changed files with 8 additions and 0 deletions
--- a/SYCLStream.cpp
+++ b/SYCLStream.cpp
@ -28,6 +28,14 @@ SYCLStream<T>::SYCLStream(const int ARRAY_SIZE, const int device_index)
    throw std::runtime_error("Invalid device index");
  device dev = devices[device_index];

+  // Check device can support FP64 if needed
+  if (sizeof(T) == sizeof(double))
+  {
+    if (dev.get_info<info::device::double_fp_config>().size() == 0) {
+      throw std::runtime_error("Device does not support double precision, please use --float");
+    }
+  }
+
  // Determine sensible dot kernel NDRange configuration
  if (dev.is_cpu())
  {