blop

cpp/simdcomp_wrapper.cpp

@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+#include "simdcomp.h"
+#include "simdcomputil.h"
+
+extern "C" {
+    
+    // assumes datain has a size of 128 uint32
+    // and that buffer is large enough to host the data.
+    size_t compress_sorted_cpp(
+            const uint32_t* datain,
+            uint8_t* output,
+            const uint32_t offset) {
+        const uint32_t b = simdmaxbitsd1(offset, datain);
+        *output++ = b;
+        simdpackwithoutmaskd1(offset, datain, (__m128i *) output,  b);
+        return 1 + b * sizeof(__m128i);;
+    }
+
+    // assumes datain has a size of 128 uint32
+    // and that buffer is large enough to host the data.
+    size_t uncompress_sorted_cpp(
+            const uint8_t* compressed_data, 
+            uint32_t* output, 
+            uint32_t offset) {
+        const uint32_t b = *compressed_data++;
+        simdunpackd1(offset, (__m128i *)compressed_data, output, b);
+        return 1 + b * sizeof(__m128i);
+    }
+
+    size_t compress_unsorted_cpp(
+            const uint32_t* datain,
+            uint8_t* output) {
+        const uint32_t b = maxbits(datain);
+        *output++ = b;
+        simdpackwithoutmask(datain, (__m128i *) output,  b);
+        return 1 + b * sizeof(__m128i);;
+    }
+
+    size_t uncompress_unsorted_cpp(
+            const uint8_t* compressed_data, 
+            uint32_t* output) {
+        const uint32_t b = *compressed_data++;
+        simdunpack((__m128i *)compressed_data, output, b);
+        return 1 + b * sizeof(__m128i);
+    }
+}