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<H3><A NAME="SECTION02446100000000000000"></A><A NAME="2767"></A>
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Function: createCol
</H3>
<P>
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<PRE CLASS="verbatim">/* C */
struct sidl_double__array*
sidl_double__array_createCol(int32_t dimen,
const int32_t lower[],
const int32_t upper[]);
//
// C++
static sidl::array<double>
sidl::array<double>::createCol(int32_t dimen,
const int32_t lower[],
const int32_t upper[]);
C
C FORTRAN 77
subroutine sidl_double__array_createCol_f(dimen, lower, upper, result)
integer*4 dimen
integer*4 lower(dimen), upper(dimen)
integer*8 result
!
! FORTRAN 90
subroutine createCol(lower, upper, result)
integer (selected_int_kind(9)), dimension(:), intent(in) :: lower, upper
type (sidl_double_3d), intent(out) :: result ! type depends on dimension
! dimension of result is inferred from the size of lower
// Java
// (isRow should be false to get a column order array)
public Array(int dim, int[] lower, int[] upper, boolean isRow);
</PRE></td></tr></table></blockquote>
<P>
This method creates a column-major, multi-dimensional array in a
contiguous block of memory. <TT>dimen</TT> should be strictly greater
than zero, and <TT>lower</TT> and <TT>upper</TT> should have <TT>dimen</TT>
elements. <TT>lower[i]</TT> must be less than or equal to
<TT>upper[i]-1</TT> for <TT>i <SPAN CLASS="MATH"><IMG
WIDTH="15" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
SRC="img17.png"
ALT="$\geq$"></SPAN> 0</TT> and <TT>i <SPAN CLASS="MATH"><IMG
WIDTH="15" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
SRC="img7.png"
ALT="$<$"></SPAN> dimen</TT>. If
this function fails for some reason, it returns
<TT>NULL</TT>. <TT>lower[i]</TT> specifies the smallest valid index for
dimension <TT>i</TT>, and <TT>upper[i]</TT> specifies the largest. Note
this definition is somewhat un-C like where the upper bound is often
one past the end. In SIDL, the size of dimension <TT>i</TT> is <TT>1
+ upper[i] - lower[i]</TT>.
<P>
The function makes copies of the information provided by <TT>dimen</TT>,
<TT>lower</TT>, and <TT>upper</TT>, so the caller is not obliged to
maintain those values after the function call.
<P>
For FORTRAN, the new array is returned in the last parameter,
<TT>result</TT>. A zero value in <TT>result</TT> indicates that the
operation failed. For Fortran 90, you can use the function
<TT>not_null</TT> to verify that <TT>result</TT> is a valid array.
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