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/*
* Copyright (C) 1997 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Friday, October 10, 1997
*/
#ifndef H5Vprivate_H
#define H5Vprivate_H
#include <H5private.h>
/* Vector comparison functions like Fortran66 comparison operators */
#define H5V_vector_eq_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)==0)
#define H5V_vector_lt_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)<0)
#define H5V_vector_gt_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)>0)
#define H5V_vector_le_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)<=0)
#define H5V_vector_ge_s(N,V1,V2) (H5V_vector_cmp_s (N, V1, V2)>=0)
#define H5V_vector_eq_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)==0)
#define H5V_vector_lt_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)<0)
#define H5V_vector_gt_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)>0)
#define H5V_vector_le_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)<=0)
#define H5V_vector_ge_u(N,V1,V2) (H5V_vector_cmp_u (N, V1, V2)>=0)
/* Other functions */
#define H5V_vector_cpy(N,DST,SRC) { \
assert (sizeof(*(DST))==sizeof(*(SRC))); \
if (SRC) HDmemcpy (DST, SRC, (N)*sizeof(*(DST))); \
else HDmemset (DST, 0, (N)*sizeof(*(DST))); \
}
#define H5V_vector_zero(N,DST) HDmemset(DST,0,(N)*sizeof(*(DST)))
/* A null pointer is equivalent to a zero vector */
#define H5V_ZERO NULL
__DLL__ hsize_t H5V_hyper_stride(intn n, const hsize_t *size,
const hsize_t *total_size,
const hssize_t *offset,
hssize_t *stride);
__DLL__ htri_t H5V_hyper_disjointp(intn n, const hssize_t *offset1,
const hsize_t *size1,
const hssize_t *offset2,
const hsize_t *size2);
__DLL__ htri_t H5V_hyper_eq(intn n, const hssize_t *offset1,
const hsize_t *size1, const hssize_t *offset2,
const hsize_t *size2);
__DLL__ herr_t H5V_hyper_fill(intn n, const hsize_t *_size,
const hsize_t *total_size,
const hssize_t *offset, void *_dst,
uintn fill_value);
__DLL__ herr_t H5V_hyper_copy(intn n, const hsize_t *size,
const hsize_t *dst_total_size,
const hssize_t *dst_offset, void *_dst,
const hsize_t *src_total_size,
const hssize_t *src_offset, const void *_src);
__DLL__ herr_t H5V_stride_fill(intn n, hsize_t elmt_size, const hsize_t *size,
const hssize_t *stride, void *_dst,
uintn fill_value);
__DLL__ herr_t H5V_stride_copy(intn n, hsize_t elmt_size, const hsize_t *_size,
const hssize_t *dst_stride, void *_dst,
const hssize_t *src_stride, const void *_src);
__DLL__ herr_t H5V_stride_copy2(hsize_t nelmts, hsize_t elmt_size, intn dst_n,
const hsize_t *dst_size,
const hssize_t *dst_stride, void *_dst,
intn src_n, const hsize_t *src_size,
const hssize_t *src_stride, const void *_src);
__DLL__ herr_t H5V_stride_optimize1(intn *np, hsize_t *elmt_size,
hsize_t *size, hssize_t *stride1);
__DLL__ herr_t H5V_stride_optimize2(intn *np, hsize_t *elmt_size,
hsize_t *size, hssize_t *stride1,
hssize_t *stride2);
__DLL__ herr_t H5V_array_fill(void *_dst, const void *src, size_t size,
size_t count);
__DLL__ hsize_t H5V_array_offset(intn n, const hsize_t *total_size,
const hssize_t *offset);
/*-------------------------------------------------------------------------
* Function: H5V_vector_reduce_product
*
* Purpose: Product reduction of a vector. Vector elements and return
* value are size_t because we usually want the number of
* elements in an array and array dimensions are always of type
* size_t.
*
* Return: Success: Product of elements
*
* Failure: 1 if N is zero
*
* Programmer: Robb Matzke
* Friday, October 10, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static inline hsize_t UNUSED
H5V_vector_reduce_product(intn n, const hsize_t *v)
{
size_t ans = 1;
if (n && !v) return 0;
while (n--) ans *= *v++;
return ans;
}
/*-------------------------------------------------------------------------
* Function: H5V_vector_zerop_u
*
* Purpose: Determines if all elements of a vector are zero.
*
* Return: Success: TRUE if all elements are zero,
* FALSE otherwise
*
* Failure: TRUE if N is zero
*
* Programmer: Robb Matzke
* Friday, October 10, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static inline htri_t UNUSED
H5V_vector_zerop_u(intn n, const hsize_t *v)
{
if (!v) return TRUE;
while (n--) {
if (*v++) return FALSE;
}
return TRUE;
}
/*-------------------------------------------------------------------------
* Function: H5V_vector_zerop_s
*
* Purpose: Determines if all elements of a vector are zero.
*
* Return: Success: TRUE if all elements are zero,
* FALSE otherwise
*
* Failure: TRUE if N is zero
*
* Programmer: Robb Matzke
* Friday, October 10, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static inline htri_t UNUSED
H5V_vector_zerop_s(intn n, const hssize_t *v)
{
if (!v) return TRUE;
while (n--) {
if (*v++) return FALSE;
}
return TRUE;
}
/*-------------------------------------------------------------------------
* Function: H5V_vector_cmp_u
*
* Purpose: Compares two vectors of the same size and determines if V1 is
* lexicographically less than, equal, or greater than V2.
*
* Return: Success: -1 if V1 is less than V2
* 0 if they are equal
* 1 if V1 is greater than V2
*
* Failure: 0 if N is zero
*
* Programmer: Robb Matzke
* Friday, October 10, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static inline intn UNUSED
H5V_vector_cmp_u (intn n, const hsize_t *v1, const hsize_t *v2)
{
if (v1 == v2) return 0;
while (n--) {
if ((v1 ? *v1 : 0) < (v2 ? *v2 : 0)) return -1;
if ((v1 ? *v1 : 0) > (v2 ? *v2 : 0)) return 1;
if (v1) v1++;
if (v2) v2++;
}
return 0;
}
/*-------------------------------------------------------------------------
* Function: H5V_vector_cmp_s
*
* Purpose: Compares two vectors of the same size and determines if V1 is
* lexicographically less than, equal, or greater than V2.
*
* Return: Success: -1 if V1 is less than V2
* 0 if they are equal
* 1 if V1 is greater than V2
*
* Failure: 0 if N is zero
*
* Programmer: Robb Matzke
* Wednesday, April 8, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static inline intn UNUSED
H5V_vector_cmp_s (intn n, const hssize_t *v1, const hssize_t *v2)
{
if (v1 == v2) return 0;
while (n--) {
if ((v1 ? *v1 : 0) < (v2 ? *v2 : 0)) return -1;
if ((v1 ? *v1 : 0) > (v2 ? *v2 : 0)) return 1;
if (v1) v1++;
if (v2) v2++;
}
return 0;
}
/*-------------------------------------------------------------------------
* Function: H5V_vector_inc
*
* Purpose: Increments V1 by V2
*
* Return: void
*
* Programmer: Robb Matzke
* Monday, October 13, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static inline void UNUSED
H5V_vector_inc(intn n, hsize_t *v1, const hsize_t *v2)
{
while (n--) *v1++ += *v2++;
}
#endif
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