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Add random numbers and fix some bugs.
This patch adds random number support for UNSIGNED, plus fixes two bugs, with array I/O where the type used to be set to BT_INTEGER, and for division with the divisor being a constant. gcc/fortran/ChangeLog: * check.cc (gfc_check_random_number): Adjust for unsigned. * iresolve.cc (gfc_resolve_random_number): Handle unsigned. * trans-expr.cc (gfc_conv_expr_op): Handle BT_UNSIGNED for divide. * trans-types.cc (gfc_get_dtype_rank_type): Handle BT_UNSIGNED. * gfortran.texi: Add RANDOM_NUMBER for UNSIGNED. libgfortran/ChangeLog: * gfortran.map: Add _gfortran_random_m1, _gfortran_random_m2, _gfortran_random_m4, _gfortran_random_m8 and _gfortran_random_m16. * intrinsics/random.c (random_m1): New function. (random_m2): New function. (random_m4): New function. (random_m8): New function. (random_m16): New function. (arandom_m1): New function. (arandom_m2): New function. (arandom_m4): New function. (arandom_m8): New funciton. (arandom_m16): New function. gcc/testsuite/ChangeLog: * gfortran.dg/unsigned_30.f90: New test.
This commit is contained in:
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291e20e860
@ -7007,6 +7007,12 @@ gfc_check_random_init (gfc_expr *repeatable, gfc_expr *image_distinct)
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bool
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gfc_check_random_number (gfc_expr *harvest)
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{
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if (flag_unsigned)
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{
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if (!type_check2 (harvest, 0, BT_REAL, BT_UNSIGNED))
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return false;
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}
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else
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if (!type_check (harvest, 0, BT_REAL))
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return false;
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@ -2790,6 +2790,7 @@ As of now, the following intrinsics take unsigned arguments:
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@item @code{TRANSFER}
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@item @code{SUM}, @code{PRODUCT}, @code{MATMUL} and @code{DOT_PRODUCT}
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@item @code{IANY}, @code{IALL} and @code{IPARITY}
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@item @code{RANDOM_NUMBER}.
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@end itemize
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This list will grow in the near future.
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@c ---------------------------------------------------------------------
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@ -3452,12 +3452,14 @@ gfc_resolve_random_number (gfc_code *c)
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{
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const char *name;
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int kind;
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char type;
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kind = gfc_type_abi_kind (&c->ext.actual->expr->ts);
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type = gfc_type_letter (c->ext.actual->expr->ts.type);
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if (c->ext.actual->expr->rank == 0)
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name = gfc_get_string (PREFIX ("random_r%d"), kind);
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name = gfc_get_string (PREFIX ("random_%c%d"), type, kind);
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else
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name = gfc_get_string (PREFIX ("arandom_r%d"), kind);
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name = gfc_get_string (PREFIX ("arandom_%c%d"), type, kind);
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c->resolved_sym = gfc_get_intrinsic_sub_symbol (name);
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}
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@ -3973,9 +3973,9 @@ gfc_conv_expr_op (gfc_se * se, gfc_expr * expr)
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case INTRINSIC_DIVIDE:
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/* If expr is a real or complex expr, use an RDIV_EXPR. If op1 is
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an integer, we must round towards zero, so we use a
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an integer or unsigned, we must round towards zero, so we use a
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TRUNC_DIV_EXPR. */
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if (expr->ts.type == BT_INTEGER)
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if (expr->ts.type == BT_INTEGER || expr->ts.type == BT_UNSIGNED)
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code = TRUNC_DIV_EXPR;
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else
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code = RDIV_EXPR;
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@ -1650,8 +1650,13 @@ gfc_get_dtype_rank_type (int rank, tree etype)
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if (TREE_CODE (ptype) == ARRAY_TYPE
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&& TYPE_STRING_FLAG (ptype))
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n = BT_CHARACTER;
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else
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{
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if (TYPE_UNSIGNED (etype))
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n = BT_UNSIGNED;
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else
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n = BT_INTEGER;
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}
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break;
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case BOOLEAN_TYPE:
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63
gcc/testsuite/gfortran.dg/unsigned_30.f90
Normal file
63
gcc/testsuite/gfortran.dg/unsigned_30.f90
Normal file
@ -0,0 +1,63 @@
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! { dg-do run }
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! { dg-options "-funsigned" }
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! The leading bytes of the unsigned sequences should be the same for
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! kinds 1 to 8. This also tests array I/O for unsigneds.
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program memain
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implicit none
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integer, dimension(:), allocatable :: seed
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integer :: n
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call random_seed (size=n)
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allocate(seed(n))
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call test1
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call test2
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contains
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subroutine test1
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unsigned(1) :: u1
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unsigned(2) :: u2
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unsigned(4) :: u4
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unsigned(8) :: u8
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character (len=16) :: line1, line2, line4, line8
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integer :: i, n
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do i=1,10
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call random_seed(get=seed)
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call random_number(u1)
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write (line1,'(Z2.2)') u1
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call random_seed(put=seed)
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call random_number(u2)
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write (line2,'(Z4.4)') u2
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call random_seed(put=seed)
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call random_number(u4)
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write (line4,'(Z8.8)') u4
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call random_seed(put=seed)
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call random_number(u8)
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write (line8,'(Z16.16)') u8
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if (line8(1:8) /= line4 (1:8)) error stop 1
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if (line4(1:4) /= line2 (1:4)) error stop 2
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if (line2(1:2) /= line1 (1:2)) error stop 3
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end do
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end subroutine test1
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subroutine test2
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unsigned(1), dimension(2,2) :: v1
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unsigned(2), dimension(2,2) :: v2
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unsigned(4), dimension(2,2) :: v4
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unsigned(8), dimension(2,2) :: v8
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character(len=16), dimension(4) :: c1, c2, c4, c8
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call random_seed(put=seed)
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call random_number (v1)
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write (c1,'(Z2.2)') v1
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call random_seed(put=seed)
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call random_number (v2)
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write (c2,'(Z4.4)') v2
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call random_seed(put=seed)
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call random_number (v4)
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write (c4,'(Z8.8)') v4
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call random_seed(put=seed)
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call random_number (v8)
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write (c8,'(Z16.16)') v8
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if (any(c8(:)(1:8) /= c4(:)(1:8))) error stop 10
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if (any(c4(:)(1:4) /= c2(:)(1:4))) error stop 11
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if (any(c2(:)(1:2) /= c1(:)(1:2))) error stop 12
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end subroutine test2
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end program memain
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@ -1777,4 +1777,14 @@ GFORTRAN_15 {
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_gfortran_internal_unpack_class;
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_gfortran_transfer_unsigned;
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_gfortran_transfer_unsigned_write;
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_gfortran_random_m1;
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_gfortran_random_m2;
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_gfortran_random_m4;
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_gfortran_random_m8;
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_gfortran_random_m16;
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_gfortran_arandom_m1;
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_gfortran_arandom_m2;
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_gfortran_arandom_m4;
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_gfortran_arandom_m8;
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_gfortran_arandom_m16;
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} GFORTRAN_14;
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@ -89,6 +89,43 @@ export_proto(arandom_r17);
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#endif
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extern void random_m1 (GFC_UINTEGER_1 *);
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export_proto (random_m1);
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extern void random_m2 (GFC_UINTEGER_2 *);
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export_proto (random_m2);
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extern void random_m4 (GFC_UINTEGER_4 *);
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export_proto (random_m4);
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extern void random_m8 (GFC_UINTEGER_8 *);
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export_proto (random_m8);
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#ifdef HAVE_GFC_UINTEGER_16
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extern void random_m16 (GFC_UINTEGER_16 *);
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export_proto (random_m16);
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#endif
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extern void arandom_m1 (gfc_array_m1 *);
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export_proto (arandom_m1);
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extern void arandom_m2 (gfc_array_m2 *);
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export_proto (arandom_m2);
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extern void arandom_m4 (gfc_array_m4 *);
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export_proto (arandom_m4);
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extern void arandom_m8 (gfc_array_m8 *);
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export_proto (arandom_m8);
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#ifdef HAVE_GFC_UINTEGER_16
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extern void arandom_m16 (gfc_array_m16 *);
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export_proto (arandom_m16);
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#endif
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#ifdef __GTHREAD_MUTEX_INIT
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static __gthread_mutex_t random_lock = __GTHREAD_MUTEX_INIT;
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#else
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@ -498,6 +535,81 @@ iexport(random_r17);
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#endif
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/* Versions for unsigned numbers. */
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/* Returns a random byte. */
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void
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random_m1 (GFC_UINTEGER_1 *x)
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{
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prng_state* rs = get_rand_state();
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if (unlikely (!rs->init))
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init_rand_state (rs, false);
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GFC_UINTEGER_8 r = prng_next (rs);
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*x = r >> 56;
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}
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/* A random 16-bit number. */
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void
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random_m2 (GFC_UINTEGER_2 *x)
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{
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prng_state* rs = get_rand_state();
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if (unlikely (!rs->init))
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init_rand_state (rs, false);
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GFC_UINTEGER_8 r = prng_next (rs);
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*x = r >> 48;
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}
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/* A random 32-bit number. */
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void
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random_m4 (GFC_UINTEGER_4 *x)
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{
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prng_state* rs = get_rand_state();
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if (unlikely (!rs->init))
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init_rand_state (rs, false);
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GFC_UINTEGER_8 r = prng_next (rs);
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*x = r >> 32;
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}
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/* A random 64-bit number. */
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void
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random_m8 (GFC_UINTEGER_8 *x)
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{
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prng_state* rs = get_rand_state();
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if (unlikely (!rs->init))
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init_rand_state (rs, false);
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GFC_UINTEGER_8 r = prng_next (rs);
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*x = r;
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}
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/* ... and a random 128-bit number, if we have the type. */
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#ifdef HAVE_GFC_UINTEGER_16
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void
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random_m16 (GFC_UINTEGER_16 *x)
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{
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prng_state* rs = get_rand_state();
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if (unlikely (!rs->init))
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init_rand_state (rs, false);
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GFC_UINTEGER_8 r1 = prng_next (rs);
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GFC_UINTEGER_8 r2 = prng_next (rs);
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*x = (((GFC_UINTEGER_16) r1) << 64) | (GFC_UINTEGER_16) r2;
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}
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#endif
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/* This function fills a REAL(4) array with values from the uniform
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distribution with range [0,1). */
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@ -843,6 +955,334 @@ arandom_r17 (gfc_array_r17 *x)
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#endif
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/* Fill an unsigned array with random bytes. */
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void
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arandom_m1 (gfc_array_m1 *x)
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{
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index_type count[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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index_type stride[GFC_MAX_DIMENSIONS];
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index_type stride0;
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index_type dim;
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GFC_UINTEGER_1 *dest;
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prng_state* rs = get_rand_state();
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dest = x->base_addr;
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dim = GFC_DESCRIPTOR_RANK (x);
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for (index_type n = 0; n < dim; n++)
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{
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count[n] = 0;
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stride[n] = GFC_DESCRIPTOR_STRIDE(x,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(x,n);
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if (extent[n] <= 0)
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return;
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}
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stride0 = stride[0];
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if (unlikely (!rs->init))
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init_rand_state (rs, false);
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while (dest)
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{
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/* random_m1 (dest); */
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uint64_t r = prng_next (rs);
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*dest = r >> 56;
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/* Advance to the next element. */
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dest += stride0;
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count[0]++;
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/* Advance to the next source element. */
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index_type n = 0;
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while (count[n] == extent[n])
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{
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/* When we get to the end of a dimension, reset it and increment
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the next dimension. */
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count[n] = 0;
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/* We could precalculate these products, but this is a less
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frequently used path so probably not worth it. */
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dest -= stride[n] * extent[n];
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n++;
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if (n == dim)
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{
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dest = NULL;
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break;
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}
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else
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{
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count[n]++;
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dest += stride[n];
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}
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}
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}
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}
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/* Fill an unsigned array with random 16-bit unsigneds. */
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void
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arandom_m2 (gfc_array_m2 *x)
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{
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index_type count[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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index_type stride[GFC_MAX_DIMENSIONS];
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index_type stride0;
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index_type dim;
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GFC_UINTEGER_2 *dest;
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prng_state* rs = get_rand_state();
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dest = x->base_addr;
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dim = GFC_DESCRIPTOR_RANK (x);
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for (index_type n = 0; n < dim; n++)
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{
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count[n] = 0;
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stride[n] = GFC_DESCRIPTOR_STRIDE(x,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(x,n);
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if (extent[n] <= 0)
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return;
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}
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stride0 = stride[0];
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if (unlikely (!rs->init))
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init_rand_state (rs, false);
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while (dest)
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{
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/* random_m1 (dest); */
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uint64_t r = prng_next (rs);
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*dest = r >> 48;
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/* Advance to the next element. */
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dest += stride0;
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count[0]++;
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/* Advance to the next source element. */
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index_type n = 0;
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while (count[n] == extent[n])
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{
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/* When we get to the end of a dimension, reset it and increment
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the next dimension. */
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count[n] = 0;
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/* We could precalculate these products, but this is a less
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frequently used path so probably not worth it. */
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dest -= stride[n] * extent[n];
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n++;
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if (n == dim)
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{
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dest = NULL;
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break;
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}
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else
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{
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count[n]++;
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dest += stride[n];
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}
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}
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}
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}
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/* Fill an array with random 32-bit unsigneds. */
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void
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arandom_m4 (gfc_array_m4 *x)
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{
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index_type count[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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index_type stride[GFC_MAX_DIMENSIONS];
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index_type stride0;
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index_type dim;
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GFC_UINTEGER_4 *dest;
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prng_state* rs = get_rand_state();
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dest = x->base_addr;
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dim = GFC_DESCRIPTOR_RANK (x);
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for (index_type n = 0; n < dim; n++)
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{
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count[n] = 0;
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stride[n] = GFC_DESCRIPTOR_STRIDE(x,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(x,n);
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if (extent[n] <= 0)
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return;
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}
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stride0 = stride[0];
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if (unlikely (!rs->init))
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init_rand_state (rs, false);
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while (dest)
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{
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/* random_m4 (dest); */
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uint64_t r = prng_next (rs);
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*dest = r >> 32;
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/* Advance to the next element. */
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dest += stride0;
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count[0]++;
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/* Advance to the next source element. */
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index_type n = 0;
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while (count[n] == extent[n])
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{
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/* When we get to the end of a dimension, reset it and increment
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the next dimension. */
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count[n] = 0;
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/* We could precalculate these products, but this is a less
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frequently used path so probably not worth it. */
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dest -= stride[n] * extent[n];
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n++;
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if (n == dim)
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{
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dest = NULL;
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break;
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}
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else
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{
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count[n]++;
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dest += stride[n];
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}
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}
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}
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}
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||||
|
||||
/* Fill an array with random 64-bit unsigneds. */
|
||||
|
||||
void
|
||||
arandom_m8 (gfc_array_m8 *x)
|
||||
{
|
||||
index_type count[GFC_MAX_DIMENSIONS];
|
||||
index_type extent[GFC_MAX_DIMENSIONS];
|
||||
index_type stride[GFC_MAX_DIMENSIONS];
|
||||
index_type stride0;
|
||||
index_type dim;
|
||||
GFC_UINTEGER_8 *dest;
|
||||
prng_state* rs = get_rand_state();
|
||||
|
||||
dest = x->base_addr;
|
||||
|
||||
dim = GFC_DESCRIPTOR_RANK (x);
|
||||
|
||||
for (index_type n = 0; n < dim; n++)
|
||||
{
|
||||
count[n] = 0;
|
||||
stride[n] = GFC_DESCRIPTOR_STRIDE(x,n);
|
||||
extent[n] = GFC_DESCRIPTOR_EXTENT(x,n);
|
||||
if (extent[n] <= 0)
|
||||
return;
|
||||
}
|
||||
|
||||
stride0 = stride[0];
|
||||
|
||||
if (unlikely (!rs->init))
|
||||
init_rand_state (rs, false);
|
||||
|
||||
while (dest)
|
||||
{
|
||||
/* random_m8 (dest); */
|
||||
uint64_t r = prng_next (rs);
|
||||
*dest = r;
|
||||
|
||||
/* Advance to the next element. */
|
||||
dest += stride0;
|
||||
count[0]++;
|
||||
/* Advance to the next source element. */
|
||||
index_type n = 0;
|
||||
while (count[n] == extent[n])
|
||||
{
|
||||
/* When we get to the end of a dimension, reset it and increment
|
||||
the next dimension. */
|
||||
count[n] = 0;
|
||||
/* We could precalculate these products, but this is a less
|
||||
frequently used path so probably not worth it. */
|
||||
dest -= stride[n] * extent[n];
|
||||
n++;
|
||||
if (n == dim)
|
||||
{
|
||||
dest = NULL;
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
count[n]++;
|
||||
dest += stride[n];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef GFC_HAVE_GFC_UINTEGER_16
|
||||
|
||||
/* Fill an unsigned array with random bytes. */
|
||||
|
||||
void
|
||||
arandom_m16 (gfc_array_m16 *x)
|
||||
{
|
||||
index_type count[GFC_MAX_DIMENSIONS];
|
||||
index_type extent[GFC_MAX_DIMENSIONS];
|
||||
index_type stride[GFC_MAX_DIMENSIONS];
|
||||
index_type stride0;
|
||||
index_type dim;
|
||||
GFC_UINTEGER_16 *dest;
|
||||
prng_state* rs = get_rand_state();
|
||||
|
||||
dest = x->base_addr;
|
||||
|
||||
dim = GFC_DESCRIPTOR_RANK (x);
|
||||
|
||||
for (index_type n = 0; n < dim; n++)
|
||||
{
|
||||
count[n] = 0;
|
||||
stride[n] = GFC_DESCRIPTOR_STRIDE(x,n);
|
||||
extent[n] = GFC_DESCRIPTOR_EXTENT(x,n);
|
||||
if (extent[n] <= 0)
|
||||
return;
|
||||
}
|
||||
|
||||
stride0 = stride[0];
|
||||
|
||||
if (unlikely (!rs->init))
|
||||
init_rand_state (rs, false);
|
||||
|
||||
while (dest)
|
||||
{
|
||||
/* random_m16 (dest); */
|
||||
uint64_t r1 = prng_next (rs), r2 = prng_next (rs);
|
||||
*dest = (((GFC_UINTEGER_16) r1) << 64) | (GFC_UINTEGER_16) r2;
|
||||
|
||||
/* Advance to the next element. */
|
||||
dest += stride0;
|
||||
count[0]++;
|
||||
/* Advance to the next source element. */
|
||||
index_type n = 0;
|
||||
while (count[n] == extent[n])
|
||||
{
|
||||
/* When we get to the end of a dimension, reset it and increment
|
||||
the next dimension. */
|
||||
count[n] = 0;
|
||||
/* We could precalculate these products, but this is a less
|
||||
frequently used path so probably not worth it. */
|
||||
dest -= stride[n] * extent[n];
|
||||
n++;
|
||||
if (n == dim)
|
||||
{
|
||||
dest = NULL;
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
count[n]++;
|
||||
dest += stride[n];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/* Number of elements in master_state array. */
|
||||
#define SZU64 (sizeof (master_state.s) / sizeof (uint64_t))
|
||||
|
Loading…
Reference in New Issue
Block a user