From 7cd6b13805b9a9e59bb027181c6176182ad81ccb Mon Sep 17 00:00:00 2001 From: Anthony Scemama Date: Sun, 1 May 2022 14:12:28 +0200 Subject: [PATCH] C quicksort --- src/utils/map_module.f90 | 6 +- src/utils/qsort.c | 373 ++++++++++++++++++++ src/utils/qsort.org | 169 +++++++++ src/utils/qsort_module.f90 | 347 ++++++++++++++++++ src/utils/sort.irp.f | 695 ------------------------------------- 5 files changed, 892 insertions(+), 698 deletions(-) create mode 100644 src/utils/qsort.c create mode 100644 src/utils/qsort.org create mode 100644 src/utils/qsort_module.f90 diff --git a/src/utils/map_module.f90 b/src/utils/map_module.f90 index 98e73470..ceaec874 100644 --- a/src/utils/map_module.f90 +++ b/src/utils/map_module.f90 @@ -238,11 +238,11 @@ subroutine cache_map_sort(map) iorder(i) = i enddo if (cache_key_kind == 2) then - call i2radix_sort(map%key,iorder,map%n_elements,-1) + call i2sort(map%key,iorder,map%n_elements,-1) else if (cache_key_kind == 4) then - call iradix_sort(map%key,iorder,map%n_elements,-1) + call isort(map%key,iorder,map%n_elements,-1) else if (cache_key_kind == 8) then - call i8radix_sort(map%key,iorder,map%n_elements,-1) + call i8sort(map%key,iorder,map%n_elements,-1) endif if (integral_kind == 4) then call set_order(map%value,iorder,map%n_elements) diff --git a/src/utils/qsort.c b/src/utils/qsort.c new file mode 100644 index 00000000..5d685741 --- /dev/null +++ b/src/utils/qsort.c @@ -0,0 +1,373 @@ +/* [[file:~/qp2/src/utils/qsort.org::*Generated%20C%20file][Generated C file:1]] */ +#include +#include + +struct int16_t_comp { + int16_t x; + int32_t i; +}; + +int compare_int16_t( const void * l, const void * r ) +{ + const struct int16_t_comp * restrict _l= l; + const struct int16_t_comp * restrict _r= r; + if( _l->x > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_int16_t(int16_t* A_in, int32_t* iorder, int32_t isize) { + struct int16_t_comp* A = malloc(isize * sizeof(struct int16_t_comp)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_int16_t_big(int16_t* A_in, int64_t* iorder, int64_t isize) { + struct int16_t_comp_big* A = malloc(isize * sizeof(struct int16_t_comp_big)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_int32_t(int32_t* A_in, int32_t* iorder, int32_t isize) { + struct int32_t_comp* A = malloc(isize * sizeof(struct int32_t_comp)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_int32_t_big(int32_t* A_in, int64_t* iorder, int64_t isize) { + struct int32_t_comp_big* A = malloc(isize * sizeof(struct int32_t_comp_big)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_int64_t(int64_t* A_in, int32_t* iorder, int32_t isize) { + struct int64_t_comp* A = malloc(isize * sizeof(struct int64_t_comp)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_int64_t_big(int64_t* A_in, int64_t* iorder, int64_t isize) { + struct int64_t_comp_big* A = malloc(isize * sizeof(struct int64_t_comp_big)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_double(double* A_in, int32_t* iorder, int32_t isize) { + struct double_comp* A = malloc(isize * sizeof(struct double_comp)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_double_big(double* A_in, int64_t* iorder, int64_t isize) { + struct double_comp_big* A = malloc(isize * sizeof(struct double_comp_big)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_float(float* A_in, int32_t* iorder, int32_t isize) { + struct float_comp* A = malloc(isize * sizeof(struct float_comp)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_float_big(float* A_in, int64_t* iorder, int64_t isize) { + struct float_comp_big* A = malloc(isize * sizeof(struct float_comp_big)); + if (A == NULL) return; + + for (int i=0 ; ix > _r->x ) return 1; + if( _l->x < _r->x ) return -1; + return 0; +} + +void qsort_TYPE_big(TYPE* A_in, int32_t* iorder, int32_t isize) { + struct TYPE_comp_big* A = malloc(isize * sizeof(struct TYPE_comp_big)); + if (A == NULL) return; + + for (int i=0 ; i> +""" +for typ in ["int16_t", "int32_t", "int64_t", "double", "float"]: + print( data.replace("TYPE", typ).replace("_big", "") ) + print( data.replace("int32_t", "int64_t").replace("TYPE", typ) ) +#+end_src + +#+NAME: replaced_f +#+begin_src python :results output :noweb yes +data = """ +<> +""" +c1 = { + "int16_t": "i2", + "int32_t": "i", + "int64_t": "i8", + "double": "d", + "float": "" +} +c2 = { + "int16_t": "integer", + "int32_t": "integer", + "int64_t": "integer", + "double": "real", + "float": "real" +} + +for typ in ["int16_t", "int32_t", "int64_t", "double", "float"]: + print( data.replace("real",c2[typ]).replace("L",c1[typ]).replace("TYPE", typ).replace("_big", "") ) + print( data.replace("real",c2[typ]).replace("L",c1[typ]).replace("int32_t", "int64_t").replace("TYPE", typ) ) +#+end_src + +#+NAME: replaced_f2 +#+begin_src python :results output :noweb yes +data = """ +<> +""" +c1 = { + "int16_t": "i2", + "int32_t": "i", + "int64_t": "i8", + "double": "d", + "float": "" +} +c2 = { + "int16_t": "integer", + "int32_t": "integer", + "int64_t": "integer", + "double": "real", + "float": "real" +} + +for typ in ["int16_t", "int32_t", "int64_t", "double", "float"]: + print( data.replace("real",c2[typ]).replace("L",c1[typ]).replace("TYPE", typ).replace("_big", "") ) + print( data.replace("real",c2[typ]).replace("L",c1[typ]).replace("int32_t", "int64_t").replace("TYPE", typ) ) +#+end_src + +* Generated C file + +#+BEGIN_SRC c :comments link :tangle qsort.c :noweb yes +#include +#include +<> +#+END_SRC + +* Generated Fortran file + +#+BEGIN_SRC f90 :tangle qsort_module.f90 :noweb yes +module qsort_module + use iso_c_binding + + interface + <> + end interface + +end module qsort_module + +<> + +#+END_SRC + diff --git a/src/utils/qsort_module.f90 b/src/utils/qsort_module.f90 new file mode 100644 index 00000000..a72a4f9e --- /dev/null +++ b/src/utils/qsort_module.f90 @@ -0,0 +1,347 @@ +module qsort_module + use iso_c_binding + + interface + + subroutine i2sort_c(A, iorder, isize) bind(C, name="qsort_int16_t") + use iso_c_binding + integer(c_int32_t), value :: isize + integer(c_int32_t) :: iorder(isize) + integer (c_int16_t) :: A(isize) + end subroutine i2sort_c + + subroutine i2sort_noidx_c(A, isize) bind(C, name="qsort_int16_t_noidx") + use iso_c_binding + integer(c_int32_t), value :: isize + integer (c_int16_t) :: A(isize) + end subroutine i2sort_noidx_c + + + + subroutine i2sort_big_c(A, iorder, isize) bind(C, name="qsort_int16_t_big") + use iso_c_binding + integer(c_int64_t), value :: isize + integer(c_int64_t) :: iorder(isize) + integer (c_int16_t) :: A(isize) + end subroutine i2sort_big_c + + subroutine i2sort_noidx_big_c(A, isize) bind(C, name="qsort_int16_t_noidx_big") + use iso_c_binding + integer(c_int64_t), value :: isize + integer (c_int16_t) :: A(isize) + end subroutine i2sort_noidx_big_c + + + + subroutine isort_c(A, iorder, isize) bind(C, name="qsort_int32_t") + use iso_c_binding + integer(c_int32_t), value :: isize + integer(c_int32_t) :: iorder(isize) + integer (c_int32_t) :: A(isize) + end subroutine isort_c + + subroutine isort_noidx_c(A, isize) bind(C, name="qsort_int32_t_noidx") + use iso_c_binding + integer(c_int32_t), value :: isize + integer (c_int32_t) :: A(isize) + end subroutine isort_noidx_c + + + + subroutine isort_big_c(A, iorder, isize) bind(C, name="qsort_int32_t_big") + use iso_c_binding + integer(c_int64_t), value :: isize + integer(c_int64_t) :: iorder(isize) + integer (c_int32_t) :: A(isize) + end subroutine isort_big_c + + subroutine isort_noidx_big_c(A, isize) bind(C, name="qsort_int32_t_noidx_big") + use iso_c_binding + integer(c_int64_t), value :: isize + integer (c_int32_t) :: A(isize) + end subroutine isort_noidx_big_c + + + + subroutine i8sort_c(A, iorder, isize) bind(C, name="qsort_int64_t") + use iso_c_binding + integer(c_int32_t), value :: isize + integer(c_int32_t) :: iorder(isize) + integer (c_int64_t) :: A(isize) + end subroutine i8sort_c + + subroutine i8sort_noidx_c(A, isize) bind(C, name="qsort_int64_t_noidx") + use iso_c_binding + integer(c_int32_t), value :: isize + integer (c_int64_t) :: A(isize) + end subroutine i8sort_noidx_c + + + + subroutine i8sort_big_c(A, iorder, isize) bind(C, name="qsort_int64_t_big") + use iso_c_binding + integer(c_int64_t), value :: isize + integer(c_int64_t) :: iorder(isize) + integer (c_int64_t) :: A(isize) + end subroutine i8sort_big_c + + subroutine i8sort_noidx_big_c(A, isize) bind(C, name="qsort_int64_t_noidx_big") + use iso_c_binding + integer(c_int64_t), value :: isize + integer (c_int64_t) :: A(isize) + end subroutine i8sort_noidx_big_c + + + + subroutine dsort_c(A, iorder, isize) bind(C, name="qsort_double") + use iso_c_binding + integer(c_int32_t), value :: isize + integer(c_int32_t) :: iorder(isize) + real (c_double) :: A(isize) + end subroutine dsort_c + + subroutine dsort_noidx_c(A, isize) bind(C, name="qsort_double_noidx") + use iso_c_binding + integer(c_int32_t), value :: isize + real (c_double) :: A(isize) + end subroutine dsort_noidx_c + + + + subroutine dsort_big_c(A, iorder, isize) bind(C, name="qsort_double_big") + use iso_c_binding + integer(c_int64_t), value :: isize + integer(c_int64_t) :: iorder(isize) + real (c_double) :: A(isize) + end subroutine dsort_big_c + + subroutine dsort_noidx_big_c(A, isize) bind(C, name="qsort_double_noidx_big") + use iso_c_binding + integer(c_int64_t), value :: isize + real (c_double) :: A(isize) + end subroutine dsort_noidx_big_c + + + + subroutine sort_c(A, iorder, isize) bind(C, name="qsort_float") + use iso_c_binding + integer(c_int32_t), value :: isize + integer(c_int32_t) :: iorder(isize) + real (c_float) :: A(isize) + end subroutine sort_c + + subroutine sort_noidx_c(A, isize) bind(C, name="qsort_float_noidx") + use iso_c_binding + integer(c_int32_t), value :: isize + real (c_float) :: A(isize) + end subroutine sort_noidx_c + + + + subroutine sort_big_c(A, iorder, isize) bind(C, name="qsort_float_big") + use iso_c_binding + integer(c_int64_t), value :: isize + integer(c_int64_t) :: iorder(isize) + real (c_float) :: A(isize) + end subroutine sort_big_c + + subroutine sort_noidx_big_c(A, isize) bind(C, name="qsort_float_noidx_big") + use iso_c_binding + integer(c_int64_t), value :: isize + real (c_float) :: A(isize) + end subroutine sort_noidx_big_c + + + + end interface + +end module qsort_module + + +subroutine i2sort(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int32_t) :: isize + integer(c_int32_t) :: iorder(isize) + integer (c_int16_t) :: A(isize) + call i2sort_c(A, iorder, isize) +end subroutine i2sort + +subroutine i2sort_noidx(A, isize) + use iso_c_binding + use qsort_module + integer(c_int32_t) :: isize + integer (c_int16_t) :: A(isize) + call i2sort_noidx_c(A, isize) +end subroutine i2sort_noidx + + + +subroutine i2sort_big(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int64_t) :: isize + integer(c_int64_t) :: iorder(isize) + integer (c_int16_t) :: A(isize) + call i2sort_big_c(A, iorder, isize) +end subroutine i2sort_big + +subroutine i2sort_noidx_big(A, isize) + use iso_c_binding + use qsort_module + integer(c_int64_t) :: isize + integer (c_int16_t) :: A(isize) + call i2sort_noidx_big_c(A, isize) +end subroutine i2sort_noidx_big + + + +subroutine isort(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int32_t) :: isize + integer(c_int32_t) :: iorder(isize) + integer (c_int32_t) :: A(isize) + call isort_c(A, iorder, isize) +end subroutine isort + +subroutine isort_noidx(A, isize) + use iso_c_binding + use qsort_module + integer(c_int32_t) :: isize + integer (c_int32_t) :: A(isize) + call isort_noidx_c(A, isize) +end subroutine isort_noidx + + + +subroutine isort_big(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int64_t) :: isize + integer(c_int64_t) :: iorder(isize) + integer (c_int32_t) :: A(isize) + call isort_big_c(A, iorder, isize) +end subroutine isort_big + +subroutine isort_noidx_big(A, isize) + use iso_c_binding + use qsort_module + integer(c_int64_t) :: isize + integer (c_int32_t) :: A(isize) + call isort_noidx_big_c(A, isize) +end subroutine isort_noidx_big + + + +subroutine i8sort(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int32_t) :: isize + integer(c_int32_t) :: iorder(isize) + integer (c_int64_t) :: A(isize) + call i8sort_c(A, iorder, isize) +end subroutine i8sort + +subroutine i8sort_noidx(A, isize) + use iso_c_binding + use qsort_module + integer(c_int32_t) :: isize + integer (c_int64_t) :: A(isize) + call i8sort_noidx_c(A, isize) +end subroutine i8sort_noidx + + + +subroutine i8sort_big(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int64_t) :: isize + integer(c_int64_t) :: iorder(isize) + integer (c_int64_t) :: A(isize) + call i8sort_big_c(A, iorder, isize) +end subroutine i8sort_big + +subroutine i8sort_noidx_big(A, isize) + use iso_c_binding + use qsort_module + integer(c_int64_t) :: isize + integer (c_int64_t) :: A(isize) + call i8sort_noidx_big_c(A, isize) +end subroutine i8sort_noidx_big + + + +subroutine dsort(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int32_t) :: isize + integer(c_int32_t) :: iorder(isize) + real (c_double) :: A(isize) + call dsort_c(A, iorder, isize) +end subroutine dsort + +subroutine dsort_noidx(A, isize) + use iso_c_binding + use qsort_module + integer(c_int32_t) :: isize + real (c_double) :: A(isize) + call dsort_noidx_c(A, isize) +end subroutine dsort_noidx + + + +subroutine dsort_big(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int64_t) :: isize + integer(c_int64_t) :: iorder(isize) + real (c_double) :: A(isize) + call dsort_big_c(A, iorder, isize) +end subroutine dsort_big + +subroutine dsort_noidx_big(A, isize) + use iso_c_binding + use qsort_module + integer(c_int64_t) :: isize + real (c_double) :: A(isize) + call dsort_noidx_big_c(A, isize) +end subroutine dsort_noidx_big + + + +subroutine sort(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int32_t) :: isize + integer(c_int32_t) :: iorder(isize) + real (c_float) :: A(isize) + call sort_c(A, iorder, isize) +end subroutine sort + +subroutine sort_noidx(A, isize) + use iso_c_binding + use qsort_module + integer(c_int32_t) :: isize + real (c_float) :: A(isize) + call sort_noidx_c(A, isize) +end subroutine sort_noidx + + + +subroutine sort_big(A, iorder, isize) + use qsort_module + use iso_c_binding + integer(c_int64_t) :: isize + integer(c_int64_t) :: iorder(isize) + real (c_float) :: A(isize) + call sort_big_c(A, iorder, isize) +end subroutine sort_big + +subroutine sort_noidx_big(A, isize) + use iso_c_binding + use qsort_module + integer(c_int64_t) :: isize + real (c_float) :: A(isize) + call sort_noidx_big_c(A, isize) +end subroutine sort_noidx_big diff --git a/src/utils/sort.irp.f b/src/utils/sort.irp.f index ff40263c..089c3871 100644 --- a/src/utils/sort.irp.f +++ b/src/utils/sort.irp.f @@ -1,222 +1,4 @@ BEGIN_TEMPLATE - subroutine insertion_$Xsort (x,iorder,isize) - implicit none - BEGIN_DOC - ! Sort array x(isize) using the insertion sort algorithm. - ! iorder in input should be (1,2,3,...,isize), and in output - ! contains the new order of the elements. - END_DOC - integer,intent(in) :: isize - $type,intent(inout) :: x(isize) - integer,intent(inout) :: iorder(isize) - $type :: xtmp - integer :: i, i0, j, jmax - - do i=2,isize - xtmp = x(i) - i0 = iorder(i) - j=i-1 - do while (j>0) - if ((x(j) <= xtmp)) exit - x(j+1) = x(j) - iorder(j+1) = iorder(j) - j=j-1 - enddo - x(j+1) = xtmp - iorder(j+1) = i0 - enddo - end subroutine insertion_$Xsort - - subroutine quick_$Xsort(x, iorder, isize) - implicit none - BEGIN_DOC - ! Sort array x(isize) using the quicksort algorithm. - ! iorder in input should be (1,2,3,...,isize), and in output - ! contains the new order of the elements. - END_DOC - integer,intent(in) :: isize - $type,intent(inout) :: x(isize) - integer,intent(inout) :: iorder(isize) - integer, external :: omp_get_num_threads - call rec_$X_quicksort(x,iorder,isize,1,isize,nproc) - end - - recursive subroutine rec_$X_quicksort(x, iorder, isize, first, last, level) - implicit none - integer, intent(in) :: isize, first, last, level - integer,intent(inout) :: iorder(isize) - $type, intent(inout) :: x(isize) - $type :: c, tmp - integer :: itmp - integer :: i, j - - if(isize<2)return - - c = x( shiftr(first+last,1) ) - i = first - j = last - do - do while (x(i) < c) - i=i+1 - end do - do while (c < x(j)) - j=j-1 - end do - if (i >= j) exit - tmp = x(i) - x(i) = x(j) - x(j) = tmp - itmp = iorder(i) - iorder(i) = iorder(j) - iorder(j) = itmp - i=i+1 - j=j-1 - enddo - if ( ((i-first <= 10000).and.(last-j <= 10000)).or.(level<=0) ) then - if (first < i-1) then - call rec_$X_quicksort(x, iorder, isize, first, i-1,level/2) - endif - if (j+1 < last) then - call rec_$X_quicksort(x, iorder, isize, j+1, last,level/2) - endif - else - if (first < i-1) then - call rec_$X_quicksort(x, iorder, isize, first, i-1,level/2) - endif - if (j+1 < last) then - call rec_$X_quicksort(x, iorder, isize, j+1, last,level/2) - endif - endif - end - - subroutine heap_$Xsort(x,iorder,isize) - implicit none - BEGIN_DOC - ! Sort array x(isize) using the heap sort algorithm. - ! iorder in input should be (1,2,3,...,isize), and in output - ! contains the new order of the elements. - END_DOC - integer,intent(in) :: isize - $type,intent(inout) :: x(isize) - integer,intent(inout) :: iorder(isize) - - integer :: i, k, j, l, i0 - $type :: xtemp - - l = isize/2+1 - k = isize - do while (.True.) - if (l>1) then - l=l-1 - xtemp = x(l) - i0 = iorder(l) - else - xtemp = x(k) - i0 = iorder(k) - x(k) = x(1) - iorder(k) = iorder(1) - k = k-1 - if (k == 1) then - x(1) = xtemp - iorder(1) = i0 - exit - endif - endif - i=l - j = shiftl(l,1) - do while (j1) then - l=l-1 - xtemp = x(l) - i0 = iorder(l) - else - xtemp = x(k) - i0 = iorder(k) - x(k) = x(1) - iorder(k) = iorder(1) - k = k-1 - if (k == 1) then - x(1) = xtemp - iorder(1) = i0 - exit - endif - endif - i=l - j = shiftl(l,1) - do while (j0_8) - if (x(j)<=xtmp) exit - x(j+1_8) = x(j) - iorder(j+1_8) = iorder(j) - j = j-1_8 - enddo - x(j+1_8) = xtmp - iorder(j+1_8) = i0 - enddo - - end subroutine insertion_$Xsort_big - subroutine $Xset_order_big(x,iorder,isize) implicit none BEGIN_DOC @@ -565,223 +90,3 @@ SUBST [ X, type ] END_TEMPLATE -BEGIN_TEMPLATE - -recursive subroutine $Xradix_sort$big(x,iorder,isize,iradix) - implicit none - - BEGIN_DOC - ! Sort integer array x(isize) using the radix sort algorithm. - ! iorder in input should be (1,2,3,...,isize), and in output - ! contains the new order of the elements. - ! iradix should be -1 in input. - END_DOC - integer*$int_type, intent(in) :: isize - integer*$int_type, intent(inout) :: iorder(isize) - integer*$type, intent(inout) :: x(isize) - integer, intent(in) :: iradix - integer :: iradix_new - integer*$type, allocatable :: x2(:), x1(:) - integer*$type :: i4 ! data type - integer*$int_type, allocatable :: iorder1(:),iorder2(:) - integer*$int_type :: i0, i1, i2, i3, i ! index type - integer*$type :: mask - integer :: err - !DIR$ ATTRIBUTES ALIGN : 128 :: iorder1,iorder2, x2, x1 - - if (isize < 2) then - return - endif - - if (iradix == -1) then ! Sort Positive and negative - - allocate(x1(isize),iorder1(isize), x2(isize),iorder2(isize),stat=err) - if (err /= 0) then - print *, irp_here, ': Unable to allocate arrays' - stop - endif - - i1=1_$int_type - i2=1_$int_type - do i=1_$int_type,isize - if (x(i) < 0_$type) then - iorder1(i1) = iorder(i) - x1(i1) = -x(i) - i1 = i1+1_$int_type - else - iorder2(i2) = iorder(i) - x2(i2) = x(i) - i2 = i2+1_$int_type - endif - enddo - i1=i1-1_$int_type - i2=i2-1_$int_type - - do i=1_$int_type,i2 - iorder(i1+i) = iorder2(i) - x(i1+i) = x2(i) - enddo - deallocate(x2,iorder2,stat=err) - if (err /= 0) then - print *, irp_here, ': Unable to deallocate arrays x2, iorder2' - stop - endif - - - if (i1 > 1_$int_type) then - call $Xradix_sort$big(x1,iorder1,i1,-2) - do i=1_$int_type,i1 - x(i) = -x1(1_$int_type+i1-i) - iorder(i) = iorder1(1_$int_type+i1-i) - enddo - endif - - if (i2>1_$int_type) then - call $Xradix_sort$big(x(i1+1_$int_type),iorder(i1+1_$int_type),i2,-2) - endif - - deallocate(x1,iorder1,stat=err) - if (err /= 0) then - print *, irp_here, ': Unable to deallocate arrays x1, iorder1' - stop - endif - return - - else if (iradix == -2) then ! Positive - - ! Find most significant bit - - i0 = 0_$int_type - i4 = maxval(x) - - iradix_new = max($integer_size-1-leadz(i4),1) - mask = ibset(0_$type,iradix_new) - - allocate(x1(isize),iorder1(isize), x2(isize),iorder2(isize),stat=err) - if (err /= 0) then - print *, irp_here, ': Unable to allocate arrays' - stop - endif - - i1=1_$int_type - i2=1_$int_type - - do i=1_$int_type,isize - if (iand(mask,x(i)) == 0_$type) then - iorder1(i1) = iorder(i) - x1(i1) = x(i) - i1 = i1+1_$int_type - else - iorder2(i2) = iorder(i) - x2(i2) = x(i) - i2 = i2+1_$int_type - endif - enddo - i1=i1-1_$int_type - i2=i2-1_$int_type - - do i=1_$int_type,i1 - iorder(i0+i) = iorder1(i) - x(i0+i) = x1(i) - enddo - i0 = i0+i1 - i3 = i0 - deallocate(x1,iorder1,stat=err) - if (err /= 0) then - print *, irp_here, ': Unable to deallocate arrays x1, iorder1' - stop - endif - - - do i=1_$int_type,i2 - iorder(i0+i) = iorder2(i) - x(i0+i) = x2(i) - enddo - i0 = i0+i2 - deallocate(x2,iorder2,stat=err) - if (err /= 0) then - print *, irp_here, ': Unable to deallocate arrays x2, iorder2' - stop - endif - - - if (i3>1_$int_type) then - call $Xradix_sort$big(x,iorder,i3,iradix_new-1) - endif - - if (isize-i3>1_$int_type) then - call $Xradix_sort$big(x(i3+1_$int_type),iorder(i3+1_$int_type),isize-i3,iradix_new-1) - endif - - return - endif - - ASSERT (iradix >= 0) - - if (isize < 48) then - call insertion_$Xsort$big(x,iorder,isize) - return - endif - - - allocate(x2(isize),iorder2(isize),stat=err) - if (err /= 0) then - print *, irp_here, ': Unable to allocate arrays x1, iorder1' - stop - endif - - - mask = ibset(0_$type,iradix) - i0=1_$int_type - i1=1_$int_type - - do i=1_$int_type,isize - if (iand(mask,x(i)) == 0_$type) then - iorder(i0) = iorder(i) - x(i0) = x(i) - i0 = i0+1_$int_type - else - iorder2(i1) = iorder(i) - x2(i1) = x(i) - i1 = i1+1_$int_type - endif - enddo - i0=i0-1_$int_type - i1=i1-1_$int_type - - do i=1_$int_type,i1 - iorder(i0+i) = iorder2(i) - x(i0+i) = x2(i) - enddo - - deallocate(x2,iorder2,stat=err) - if (err /= 0) then - print *, irp_here, ': Unable to allocate arrays x2, iorder2' - stop - endif - - - if (iradix == 0) then - return - endif - - - if (i1>1_$int_type) then - call $Xradix_sort$big(x(i0+1_$int_type),iorder(i0+1_$int_type),i1,iradix-1) - endif - if (i0>1) then - call $Xradix_sort$big(x,iorder,i0,iradix-1) - endif - - end - -SUBST [ X, type, integer_size, is_big, big, int_type ] - i ; 4 ; 32 ; .False. ; ; 4 ;; - i8 ; 8 ; 64 ; .False. ; ; 4 ;; - i2 ; 2 ; 16 ; .False. ; ; 4 ;; - i ; 4 ; 32 ; .True. ; _big ; 8 ;; - i8 ; 8 ; 64 ; .True. ; _big ; 8 ;; -END_TEMPLATE - - -