NAME
get_random_index_vector - Sets a vector with random zeros and ones
SYNOPSIS
#include "l/l_int_vector.h"
Example compile flags (system dependent):
-DLINUX_X86_64 -DLINUX_X86_64_OPTERON -DGNU_COMPILER
-I/home/kobus/include
-L/home/kobus/misc/load/linux_x86_64_opteron -L/usr/lib/x86_64-linux-gnu
-lKJB -lfftw3 -lgsl -lgslcblas -ljpeg -lSVM -lstdc++ -lpthread -lSLATEC -lg2c -lacml -lacml_mv -lblas -lg2c -lncursesw
int get_random_index_vector
(
Int_vector **target_vpp,
int length,
double fraction
);
DESCRIPTION
This routine creates a vector of length "length", which has a random
approximate fraction "fraction" of ones, with the other elements being zero.
If *target_vpp is NULL, then this routine creates the integer vector. If it
is not null, and it is the right size, then the storage is recycled. If the
wrong size, then it is resized.
The routine free_int_vector should be used to dispose of the storage once the
targets are no longer needed
RETURNS
On error, this routine returns NULL, with an error message being set.
On success it returns a pointer to the two target arrays.
DISCLAIMER
This software is not adequatedly tested. It is recomended that
results are checked independantly where appropriate.
AUTHOR
Kobus Barnard
DOCUMENTER
Kobus Barnard
SEE ALSO
get_zero_int_vector
,
get_unity_int_vector
,
get_initialized_int_vector
,
ra_get_target_int_vector
,
create_int_vector
,
free_int_vector
,
vp_get_indexed_int_vector
,
get_zero_indexed_int_vector
,
get_target_indexed_int_vector
,
add_int_vectors
,
subtract_int_vectors
,
ow_add_int_vectors
,
ow_subtract_int_vectors
,
split_int_vector_vector
,
split_int_vector
,
copy_int_vector_vector
,
copy_int_vector
,
copy_int_vector_section
,
read_int_vector
,
fp_read_int_vector
,
fp_read_raw_int_vector
,
fp_read_int_vector_with_header
,
fp_read_ascii_int_vector
,
fp_read_vector_length_header
,
write_col_int_vector
,
fp_write_col_int_vector
,
fp_write_col_int_vector_with_title
,
write_col_int_vector_with_header
,
fp_write_col_int_vector_with_header
,
write_row_int_vector
,
fp_write_row_int_vector
,
fp_write_row_int_vector_with_title
,
fp_write_vector_length_header
,
write_raw_int_vector
,
fp_write_raw_int_vector
,
get_target_int_vector_vector
,
free_int_vector_vector
,
get_target_int_v3
,
free_int_v3
,
int_vector_binary_search
,
int_vector_linear_search
,
sum_int_vector_elements
,
read_int_vector_vector
,
fp_read_int_vector_vector
,
fp_read_raw_int_vector_vector
,
fp_read_formatted_int_vector_vector
,
write_int_vector_vector
,
fp_write_int_vector_vector
,
write_raw_int_vector_vector
,
fp_write_raw_int_vector_vector
,
fp_write_raw_int_vector_vector_header
,
sget_int_vector
,
sget_positive_int_vector
,
sget_non_negative_int_vector
,
ow_copy_int_vector
,
min_int_vector_element
,
max_int_vector_element
,
get_max_int_vector_element
,
get_min_int_vector_element
,
multiply_int_vector_by_int_scalar
,
ow_multiply_int_vector_by_int_scalar
,
add_int_scalar_to_int_vector
,
int_set_difference
,
is_element_in_int_vector
,
get_int_dot_product
,
int_vector_magnitude
,
sum_int_vector_squared_elements
,
check_same_int_vector_lengths
,
max_abs_int_vector_difference
,
int_vector_is_permutation
,
get_string_why_int_vector_is_not_permutation