C++ (Cpp) atSlice示例

示例#1

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显示文件

文件： AbstractTable.cpp 项目： timbokopter/hyrise

void AbstractTable::copyRowFrom(const hyrise::storage::c_atable_ptr_t& source, const size_t src_row, const size_t dst_row, const bool copy_values, const bool use_memcpy) {
  if (copy_values) {
    for (size_t column = 0; column < source->columnCount(); column++) {
      copyValueFrom(source, column, src_row, column, dst_row);
    }
  } else {
    if (use_memcpy) {
      // Use slices & memcpy
      // Assumes destination (this) is single row container
      assert(sliceCount() == 1);

      // this only gets the dest pointer, nothing else
      value_id_t *dst = (value_id_t *) atSlice(0, dst_row);
      size_t inc_width = 0, width = 0;

      for (size_t slice = 0; slice < source->sliceCount(); slice++) {

        // gets pointer to container at the row
        value_id_t *src = (value_id_t *) source->atSlice(slice, src_row);

        // slice width tells us how much memory we can copy
        width = source->getSliceWidth(slice);
        memcpy((char *)(dst) + inc_width, src, width);
        inc_width += width;
      }
    } else {
      // Copy single values
      for (size_t column = 0; column < source->columnCount(); column++) {
        setValueId(column, dst_row, source->getValueId(column, src_row));
      }
    }
  }
}

示例#2

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显示文件

文件： Vector_vw.c 项目： andrekandore/COS

  vw->stride = isSub ? Slice_stride(slc) : Slice_stride(slc)*vec->stride;
  vecv->ref  = vec;

  return vw;
}

// ----- view constructors

defalias (OBJ, (ginitWith2)gnewWith2, mView, T, Slice);
defmethod(OBJ,  ginitWith2          , mView, T, Slice) // vector view
  retmethod(ginitWith3(galloc(TV),_2,_3,aInt(NO)));
endmethod

defalias (OBJ, (ginitWith2)gnewWith2, mView, T, Range);
defmethod(OBJ,  ginitWith2          , mView, T, Range) // vector view
  struct Slice *slice = Slice_fromRange(atSlice(0), self3, &self2->size);
  
  retmethod(ginitWith3(galloc(TV),_2,(OBJ)slice,aInt(NO)));
endmethod

defalias (OBJ, (ginitWith2)gnewWith2, mSubView, T, Slice);
defmethod(OBJ,  ginitWith2          , mSubView, T, Slice) // vector view
  retmethod(ginitWith3(galloc(TW),_2,_3,aInt(YES)));
endmethod

defalias (OBJ, (ginitWith2)gnewWith2, mSubView, T, Range);
defmethod(OBJ,  ginitWith2          , mSubView, T, Range) // vector view
  struct Slice *slice = Slice_fromRange(atSlice(0), self3, &self2->size);

  retmethod(ginitWith3(galloc(TW),_2,(OBJ)slice,aInt(YES)));
endmethod

示例#3

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显示文件

文件： ut_slice.c 项目： awakecoding/COS

void
ut_slice(void)
{
  useclass(Slice);

  UTEST_START("Slice")

    // equality and default args
    UTEST( Slice_isEqual(atSlice(10)  , atSlice(0,10, 1))  );
    UTEST( Slice_isEqual(atSlice(0,10), atSlice(0,10, 1))  );
    UTEST(!Slice_isEqual(atSlice(0,10), atSlice(0,10,-1))  );
    UTEST( Slice_isEqual(atSlice(0,10), atSlice(0,10, 0))  );

    UTEST( gisEqual(aSlice(10)  , aSlice(0,10, 1)) == True  );
    UTEST( gisEqual(aSlice(0,10), aSlice(0,10, 1)) == True  );
    UTEST( gisEqual(aSlice(0,10), aSlice(0,10,-1)) == False );

    // new vs auto
    UTEST( isEq(gnewSlc(Slice, 0, 10, 1), aSlice(0,10,1)) );
    UTEST(!isEq(gnewSlc(Slice, 0, 10, 1), aSlice(0,10,-1)) );

    // clone vs auto
    UTEST( isEq(gclone(aSlice(10)), aSlice(10)) );
    UTEST( isEq(gclone(aSlice(0,10)), aSlice(0,10)) );
    UTEST( isEq(gclone(aSlice(0,10,-1)), aSlice(0,10,-1)) );
    
    // eval
    UTEST( Slice_eval(atSlice(10),0) == 0 );
    UTEST( Slice_eval(atSlice(10),1) == 1 );
    UTEST( Slice_eval(atSlice(10),10) == 10 );
    UTEST( Slice_eval(atSlice(1,10),0) == 1 );
    UTEST( Slice_eval(atSlice(1,10),1) == 2 );
    UTEST( Slice_eval(atSlice(1,10),10) == 11 );
    UTEST( Slice_eval(atSlice(1,10,2),0) == 1 );
    UTEST( Slice_eval(atSlice(1,10,2),1) == 3 );
    UTEST( Slice_eval(atSlice(1,10,2),10) == 21 );
    UTEST( Slice_eval(atSlice(10,1,-2),0) == 10 );
    UTEST( Slice_eval(atSlice(10,1,-2),1) == 8 );
    UTEST( Slice_eval(atSlice(10,1,-2),10) == -10 );

    // first
    UTEST( Slice_first(atSlice(10)) == 0 );
    UTEST( Slice_first(atSlice(1,10)) == 1 );
    UTEST( Slice_first(atSlice(-1,10)) == (U32)-1 );
    UTEST( Slice_first(atSlice(-1,-10)) == (U32)-1 );

    // last
    UTEST( Slice_last(atSlice(10)) == 9 );
    UTEST( Slice_last(atSlice(1,10)) == 10 );
    UTEST( Slice_last(atSlice(1,10,2)) == 19 );
    UTEST( Slice_last(atSlice(0,-10)) == (U32)-11 );
    UTEST( Slice_last(atSlice(-1,-10)) == (U32)-12 );

    // size
    UTEST( Slice_size(atSlice(0,9,1)) == 9 );
    UTEST( Slice_size(atSlice(1,10,1)) == 10 );
    UTEST( Slice_size(atSlice(1,10,2)) == 10 );
    UTEST( Slice_size(atSlice(1,10,3)) == 10 );
    UTEST( Slice_size(atSlice(1,9,3)) == 9 );

    UTEST( Slice_size(atSlice(9,0,-1)) == 0 );
    UTEST( Slice_size(atSlice(10,1,-1)) == 1 );
    UTEST( Slice_size(atSlice(10,1,-2)) == 1 );
    UTEST( Slice_size(atSlice(10,1,-3)) == 1 );
    UTEST( Slice_size(atSlice(9,1,-3)) == 1 );

    // slice vs range
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,1,1), 0), atSlice(-1,3,1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,1,2), 0), atSlice(-1,2,2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,5,3), 0), atSlice(-1,3,3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,4,3), 0), atSlice(-1,2,3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange( 1,5,3), 0), atSlice( 1,2,3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,0,-1), 0), atSlice(9,10,-1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,1,-2), 0), atSlice(9,5,-2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,0,-3), 0), atSlice(9,4,-3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,3,-3), 0), atSlice(9,3,-3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(0,9,1) , 0), atSlice(0,10,1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(1,10,1), 0), atSlice(1,10,1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(1,9,2) , 0), atSlice(1,5,2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(1,10,3), 0), atSlice(1,4,3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(1,7,3) , 0), atSlice(1,3,3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,0,-1) , 0), atSlice(9,10,-1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(10,1,-1), 0), atSlice(10,10,-1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(10,2,-2), 0), atSlice(10,5,-2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(10,1,-3), 0), atSlice(10,4,-3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(9,3,-3) , 0), atSlice(9,3,-3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,-10,-1), 0), atSlice(-1,10,-1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,-9,-2) , 0), atSlice(-1,5,-2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,-10,-3), 0), atSlice(-1,4,-3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-1,-7,-3) , 0), atSlice(-1,3,-3)) );

    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-10,-1,1), 0), atSlice(-10,10,1)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-10,-2,2), 0), atSlice(-10,5,2)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-10,-1,3), 0), atSlice(-10,4,3)) );
    UTEST( eq(Slice_fromRange(atSlice(0), atRange(-9,-3,3) , 0), atSlice(-9,3,3)) );

  UTEST_END
}