/* * Copyright (C) 1997 NCSA * All rights reserved. * * Programmer: Robb Matzke * 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(uintn n, const hsize_t *size, const hsize_t *total_size, const hssize_t *offset, hssize_t *stride); __DLL__ htri_t H5V_hyper_disjointp(uintn 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(uintn 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(uintn 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(uintn n, hsize_t elmt_size, const hsize_t *size, const hssize_t *stride, void *_dst, uintn fill_value); __DLL__ herr_t H5V_stride_copy(uintn 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(uintn *np, hsize_t *elmt_size, hsize_t *size, hssize_t *stride1); __DLL__ herr_t H5V_stride_optimize2(uintn *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(uintn 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 H5_inline hsize_t UNUSED H5V_vector_reduce_product(uintn 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 H5_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 H5_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 H5_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 H5_inline intn UNUSED H5V_vector_cmp_s (uintn 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 H5_inline void UNUSED H5V_vector_inc(intn n, hsize_t *v1, const hsize_t *v2) { while (n--) *v1++ += *v2++; } #endif