/usr/include/spooles/Utilities/IV.h is in libspooles-dev 2.2-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 | /* IV.h */
/*--------------------------------------------------------------------*/
/*
-------------------------------------------------------
purpose -- given the pair of arrays (x1[],y1[]),
create a pair of arrays (x2[],y2[]) whose
entries are pairwise chosen from (x1[],y1[])
and whose distribution is an approximation.
return value -- the size of the (x2[],y2[]) arrays
-------------------------------------------------------
*/
int
IVcompress (
int size1,
int x1[],
int y1[],
int size2,
int x2[],
int y2[]
) ;
/*--------------------------------------------------------------------*/
/*
-------------------------------
purpose -- to copy y[*] := x[*]
-------------------------------
*/
void
IVcopy (
int size,
int y[],
int x[]
) ;
/*--------------------------------------------------------------------*/
/*
-----------------------------------------------
purpose -- to fill a int vector with a value
-----------------------------------------------
*/
void
IVfill (
int size,
int y[],
int ival
) ;
/*--------------------------------------------------------------------*/
/*
------------------------------------
purpose -- to print out a int vector
------------------------------------
*/
void
IVfprintf (
FILE *fp,
int size,
int y[]
) ;
/*--------------------------------------------------------------------*/
/*
-------------------------------------------------------------------
purpose -- to write out an integer vector with eighty column lines
input --
fp -- file pointer, must be formatted and write access
size -- length of the vector
y -- integer vector
column -- present column
pierr -- pointer to int to hold return value,
should be 1 if any print was successful,
if fprintf() failed, then ierr = -1
return value -- present column
created -- 95sep22, cca
mods -- 95sep29, cca
added ierr argument to handle error returns from fprintf()
-------------------------------------------------------------------
*/
int
IVfp80 (
FILE *fp,
int size,
int y[],
int column,
int *pierr
) ;
/*--------------------------------------------------------------------*/
/*
----------------------------------------------------------
purpose -- to free the storage taken by an integer vector.
note : ivec must have been returned by IVinit
----------------------------------------------------------
*/
void
IVfree (
int y[]
) ;
/*--------------------------------------------------------------------*/
/*
-----------------------------------
purpose -- to read in an int vector
-----------------------------------
*/
int
IVfscanf (
FILE *fp,
int size,
int y[]
) ;
/*--------------------------------------------------------------------*/
/*
---------------------------------------
purpose -- to gather y[*] = x[index[*]]
---------------------------------------
*/
void
IVgather (
int size,
int y[],
int x[],
int index[]
) ;
/*--------------------------------------------------------------------*/
/*
---------------------------------------------------
purpose -- allocate a int array with size entries
and fill with value dval
return value -- a pointer to the start of the array
created : 95sep22, cca
---------------------------------------------------
*/
int *
IVinit (
int size,
int ival
) ;
/*--------------------------------------------------------------------*/
/*
---------------------------------------------------
purpose -- allocate a int array with size entries
return value -- a pointer to the start of the array
created : 95sep22, cca
---------------------------------------------------
*/
int *
IVinit2 (
int size
) ;
/*--------------------------------------------------------------------*/
/*
-------------------------------------------------------------
purpose -- allocate an int array and fill with the inverse of
y[]. note, y[] must be a permutation vector.
created : 95sep22, cca
-------------------------------------------------------------
*/
int *
IVinverse (
int size,
int y[]
) ;
/*--------------------------------------------------------------------*/
/*
------------------------------
purpose -- to permute a vector
y[index[*]] := y[*]
------------------------------
*/
void
IVinvPerm (
int size,
int y[],
int index[]
) ;
/*--------------------------------------------------------------------*/
/*
-----------------------------------------------------
purpose -- to return the first entry of maximum size,
*ploc contains its index
-----------------------------------------------------
*/
int
IVmax (
int size,
int y[],
int *ploc
) ;
/*--------------------------------------------------------------------*/
/*
---------------------------------------------------------------
purpose -- to return the first entry of maximum absolute value,
*ploc contains its index
created -- 95sep22, cca
---------------------------------------------------------------
*/
int
IVmaxabs (
int size,
int y[],
int *ploc
) ;
/*--------------------------------------------------------------------*/
/*
------------------------------------------------------
purpose -- to return the first entry of minimum value,
*ploc contains its index
created -- 95sep22, cca
------------------------------------------------------
*/
int
IVmin (
int size,
int y[],
int *ploc
) ;
/*--------------------------------------------------------------------*/
/*
---------------------------------------------------------------
purpose -- to return the first entry of minimum absolute value,
*ploc contains its index
created -- 95sep22, cca
---------------------------------------------------------------
*/
int
IVminabs (
int size,
int y[],
int *ploc
) ;
/*--------------------------------------------------------------------*/
/*
------------------------------
purpose -- to permute a vector
y[*] := y[index[*]]
------------------------------
*/
void
IVperm (
int size,
int y[],
int index[]
) ;
/*--------------------------------------------------------------------*/
/*
----------------------------------------------------
purpose -- to fill a int vector with a ramp function
----------------------------------------------------
*/
void
IVramp (
int size,
int y[],
int start,
int inc
) ;
/*--------------------------------------------------------------------*/
/*
----------------------------------------
purpose -- to scatter y[index[*]] = x[*]
----------------------------------------
*/
void
IVscatter (
int size,
int y[],
int index[],
int x[]
) ;
/*--------------------------------------------------------------------*/
/*
-----------------------------------------------
purpose -- to return the sum of a int vector
-----------------------------------------------
*/
int
IVsum (
int size,
int y[]
) ;
/*--------------------------------------------------------------------*/
/*
---------------------------------------------------
purpose -- to return the sum of the absolute values
of the entries in an int vector
---------------------------------------------------
*/
int
IVsumabs (
int size,
int y[]
) ;
/*--------------------------------------------------------------------*/
/*
--------------------------------
purpose -- to swap y[*] and x[*]
--------------------------------
*/
void
IVswap (
int size,
int y[],
int x[]
) ;
/*--------------------------------------------------------------------*/
/*
----------------------------------
purpose -- to zero a int vector
----------------------------------
*/
void
IVzero (
int size,
int y[]
) ;
/*--------------------------------------------------------------------*/
/*
-------------------------------------------------
purpose -- to permute an integer vector,
procedure uses srand48() and drand48()
input --
size -- size of the vector
ivec -- vector to be permuted
seed -- seed for the random number generator
if seed <= 0, simple return
-------------------------------------------------
*/
void
IVshuffle (
int size,
int y[],
int seed
) ;
/*--------------------------------------------------------------------*/
/*
------------------------------------------------------
locate an instance of target in the vector ivec[size].
we assume that ivec[] is sorted in ascending order
so we can use binary search to locate target.
return value --
-1 -- if target not found in ivec[]
loc -- where target = ivec[loc]
created -- 96may27, cca
------------------------------------------------------
*/
int
IVlocateViaBinarySearch (
int size,
int ivec[],
int target
) ;
/*--------------------------------------------------------------------*/
|