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Implemented changes suggested by Jeremie
Made various changes: * in stdlib_sorting.fypp changed "public :: int_size ... integer, parameter :: in_size..." to "integer, parameter, public :: int_size ..." * Eliminated the specific procedures public in stdlib_sorting.fypp and their discussion in stdlib_sorting.md. * replaced specific reference to INT_KINDS and REAL_KINDS in stdlib_sorting_sort.fypp, stdlib_sorting_ord_sort.fypp, and stdlib_sorting_sort_index.fypp with reference to common.fypp. * in stdlib_sorting_ord_sort.fypp made ERROR STOP return the procedure name in which the allocation error occured. [ticket: X]
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‎doc/specs/stdlib_sorting.md

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@@ -479,45 +479,6 @@ Sorting an array of a derived type based on the data in one component
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end subroutine sort_a_data
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```
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#### Specific procedures
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Usually the name of a generic procedure is the most convenient way of
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invoking it. However sometimes it is necessary to pass a procedure as
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an argument to another procedure. In that case it is usually necessary
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to know the name of the specific procedure desired. The following
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table lists the specific subroutines and the corresponding types of
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their `array` arguments.
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| Generic Subroutine | Specific Subroutine | Array type |
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|--------------------|---------------------|-----------------|
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| `ORD_SORT` | `INT8_ORD_SORT` | `INTEGER(INT8)` |
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| | `INT16_ORD_SORT` | `INTEGER(INT16)` |
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| | `INT32_ORD_SORT` | `INTEGER(INT32)` |
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| | `INT64_ORD_SORT` | `INTEGER(INT64)` |
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| | `SP_ORD_SORT` | `REAL(SP)` |
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| | `DP_ORD_SORT` | `REAL(DP)` |
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| | `QP_ORD_SORT` | `REAL(QP)` |
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| | `CHAR_ORD_SORT` | `CHARACTER(*)` |
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| | `STRING_ORD_SORT` | `STRING_TYPE` |
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| `SORT` | `INT8_SORT` | `INTEGER(INT8)` |
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| | `INT16_SORT` | `INTEGER(INT16)` |
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| | `INT32_SORT` | `INTEGER(INT32)` |
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| | `INT64_SORT` | `INTEGER(INT64)` |
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| | `SP_SORT` | `REAL(SP)` |
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| | `DP_SORT` | `REAL(DP)` |
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| | `QP_SORT` | `REAL(QP)` |
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| | `CHAR_SORT` | `CHARACTER(*)` |
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| | `STRING_SORT` | `STRING_TYPE` |
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| `SORT_INDEX` | `INT8_SORT_INDEX` | `INTEGER(INT8)` |
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| | `INT16_SORT_INDEX` | `INTEGER(INT16)` |
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| | `INT32_SORT_INDEX` | `INTEGER(INT32)` |
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| | `INT64_SORT_INDEX` | `INTEGER(INT64)` |
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| | `SP_SORT_INDEX` | `REAL(SP)` |
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| | `DP_SORT_INDEX` | `REAL(DP)` |
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| | `QP_SORT_INDEX` | `REAL(QP)` |
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| | `CHAR_SORT_INDEX` | `CHARACTER(*)` |
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| | `STRING_SORT_INDEX` | `STRING_TYPE` |
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### Performance benchmarks
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‎src/stdlib_sorting.fypp

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@@ -115,9 +115,7 @@ module stdlib_sorting
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implicit none
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private
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public :: int_size
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integer, parameter :: int_size = int64 !! Integer kind for indexing
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integer, parameter, public :: int_size = int64 !! Integer kind for indexing
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! Constants for use by tim_sort
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integer, parameter :: &
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!! end subroutine sort_a_data
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!!```
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#:for k1 in INT_KINDS
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public ${k1}$_ord_sort
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!! Version: experimental
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!!
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!! `${k1}$_ord_sort` is the specific `ORD_SORT` subroutine for an `array`
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!! argument of type `integer(${k1}$)`.
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public ${k1}$_sort
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!! Version: experimental
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!!
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!! `${k1}$_sort` is the specific `SORT` subroutine for an `array`
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!! argument of type `integer(${k1}$)`.
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public ${k1}$_sort_index
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!! Version: experimental
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!!
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!! `${k1}$_sort_index` is the specific `SORT_INDEX` subroutine for an `array`
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!! argument of type `integer(${k1}$)`.
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#:endfor
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#:for k1 in REAL_KINDS
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public ${k1}$_ord_sort
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!! Version: experimental
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!!
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!! `${k1}$_ord_sort` is the specific `ORD_SORT` subroutine for an `array`
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!! argument of type `real(${k1}$)`.
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public ${k1}$_sort
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!! Version: experimental
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!!
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!! `${k1}$_sort` is the specific `SORT` subroutine for an `array`
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!! argument of type `real(${k1}$)`.
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public ${k1}$_sort_index
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!! Version: experimental
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!!
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!! `${k1}$_sort_index` is the specific `SORT_INDEX` subroutine for an `array`
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!! argument of type `real(${k1}$)`.
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#:endfor
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public char_ord_sort
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public char_sort

‎src/stdlib_sorting_ord_sort.fypp

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#! Integer kinds to be considered during templating
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#:set INT_KINDS = ["int8", "int16", "int32", "int64"]
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#! Real kinds to be considered during templating
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#:set REAL_KINDS = ["sp", "dp", "qp"]
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#:include "common.fypp"
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!! Licensing:
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!!
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! Allocate a buffer to use as scratch memory.
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array_size = size( array, kind=int_size )
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allocate( buf(0:array_size/2-1), stat=stat )
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if ( stat /= 0 ) error stop "Allocation of buffer failed."
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if ( stat /= 0 ) error stop "${k1}$_ord_sort: Allocation of buffer failed."
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call merge_sort( array, buf )
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end if
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! Allocate a buffer to use as scratch memory.
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array_size = size( array, kind=int_size )
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allocate( buf(0:array_size/2-1), stat=stat )
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if ( stat /= 0 ) error stop "Allocation of buffer failed."
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if ( stat /= 0 ) error stop "${k1}$_ord_sort: Allocation of buffer failed."
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call merge_sort( array, buf )
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end if
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array_size = size( array, kind=int_size )
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allocate( character(len=len(array)) :: buf(0:array_size/2-1), &
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stat=stat )
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if ( stat /= 0 ) error stop "Allocation of buffer failed."
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if ( stat /= 0 ) error stop "${k1}$_ord_sort: Allocation of buffer failed."
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call merge_sort( array, buf )
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end if
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! Allocate a buffer to use as scratch memory.
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array_size = size( array, kind=int_size )
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allocate( buf(0:array_size/2-1), stat=stat )
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if ( stat /= 0 ) error stop "Allocation of buffer failed."
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if ( stat /= 0 ) error stop "${k1}$_ord_sort: Allocation of buffer failed."
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call merge_sort( array, buf )
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end if
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‎src/stdlib_sorting_sort.fypp

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#! Integer kinds to be considered during templating
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#:set INT_KINDS = ["int8", "int16", "int32", "int64"]
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#! Real kinds to be considered during templating
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#:set REAL_KINDS = ["sp", "dp", "qp"]
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#:include "common.fypp"
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!! Licensing:
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!!

‎src/stdlib_sorting_sort_index.fypp

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#! Integer kinds to be considered during templating
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#:set INT_KINDS = ["int8", "int16", "int32", "int64"]
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#! Real kinds to be considered during templating
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#:set REAL_KINDS = ["sp", "dp", "qp"]
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#:include "common.fypp"
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!! Licensing:
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!!

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