Initial 1.1.0 binary release

1 files changed, 82 insertions, 0 deletions

diff --git a/external/cub-1.3.2/cub/block/specializations/block_histogram_atomic.cuh b/external/cub-1.3.2/cub/block/specializations/block_histogram_atomic.cuh
new file mode 100644
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@@ -0,0 +1,82 @@
+/******************************************************************************
+ * Copyright (c) 2011, Duane Merrill.  All rights reserved.
+ * Copyright (c) 2011-2014, NVIDIA CORPORATION.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the NVIDIA CORPORATION nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************/
+
+/**
+ * \file
+ * The cub::BlockHistogramAtomic class provides atomic-based methods for constructing block-wide histograms from data samples partitioned across a CUDA thread block.
+ */
+
+#pragma once
+
+#include "../../util_namespace.cuh"
+
+/// Optional outer namespace(s)
+CUB_NS_PREFIX
+
+/// CUB namespace
+namespace cub {
+
+
+/**
+ * \brief The BlockHistogramAtomic class provides atomic-based methods for constructing block-wide histograms from data samples partitioned across a CUDA thread block.
+ */
+template <int BINS>
+struct BlockHistogramAtomic
+{
+    /// Shared memory storage layout type
+    struct TempStorage {};
+
+
+    /// Constructor
+    __device__ __forceinline__ BlockHistogramAtomic(
+        TempStorage &temp_storage)
+    {}
+
+
+    /// Composite data onto an existing histogram
+    template <
+        typename            T,
+        typename            HistoCounter,
+        int                 ITEMS_PER_THREAD>
+    __device__ __forceinline__ void Composite(
+        T                   (&items)[ITEMS_PER_THREAD],     ///< [in] Calling thread's input values to histogram
+        HistoCounter        histogram[BINS])                 ///< [out] Reference to shared/global memory histogram
+    {
+        // Update histogram
+        #pragma unroll
+        for (int i = 0; i < ITEMS_PER_THREAD; ++i)
+        {
+              atomicAdd(histogram + items[i], 1);
+        }
+    }
+
+};
+
+}               // CUB namespace
+CUB_NS_POSTFIX  // Optional outer namespace(s)
+