This file is indexed.

/usr/include/numflt.h is in libapron-dev 0.9.10-5.2ubuntu3.

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
/* ********************************************************************** */
/* numflt.h */
/* ********************************************************************** */

#ifndef _NUMFLT_H_
#define _NUMFLT_H_

#include <stdint.h>
#include "gmp.h"
#include "mpfr.h"
#include "ap_scalar.h"
#include "num_config.h"

#ifndef NUMFLT_PRINT_PREC
#define NUMFLT_PRINT_PREC 20
#endif
/* Number of significant digits used for printing.
   Defaults to 20, but you can override NUMFLT_PRINT_PREC to be any other
   expression (including variable and function call).
*/

#if defined(NUMFLT_DOUBLE) || defined(NUMFLT_LONGDOUBLE)
#include "numflt_native.h"
#elif defined(NUMFLT_MPFR)
#include "numflt_mpfr.h"
#else
#error "HERE"
#endif

#ifdef __cplusplus
extern "C" {
#endif

/*
   NUMINT_DOUBLE and NUMFLT_LONGDOUBLE also define

   - NUMFLT_MAX: positive infinity value
     It is assumed that (-NUMINT_MAX) is also representable

   - NUMFLT_NATIVE: no heap allocated memory
*/


/* ====================================================================== */
/* Assignement */
/* ====================================================================== */
static inline void numflt_set(numflt_t a, numflt_t b);
static inline void numflt_set_array(numflt_t* a, numflt_t* b, size_t size);
static inline void numflt_set_int(numflt_t a, long int i);

/* ====================================================================== */
/* Constructors and Destructors */
/* ====================================================================== */

static inline void numflt_init(numflt_t a);
static inline void numflt_init_array(numflt_t* a, size_t size);
static inline void numflt_init_set(numflt_t a, numflt_t b);
static inline void numflt_init_set_int(numflt_t a, long int i);

static inline void numflt_clear(numflt_t a);
static inline void numflt_clear_array(numflt_t* a, size_t size);

  static inline void numflt_swap(numflt_t a, numflt_t b);

/* ====================================================================== */
/* Arithmetic Operations */
/* ====================================================================== */

static inline void numflt_neg(numflt_t a, numflt_t b);
static inline void numflt_abs(numflt_t a, numflt_t b);
static inline void numflt_add(numflt_t a, numflt_t b, numflt_t c);
static inline void numflt_add_uint(numflt_t a, numflt_t b, unsigned long int c);
static inline void numflt_sub(numflt_t a, numflt_t b, numflt_t c);
static inline void numflt_sub_uint(numflt_t a, numflt_t b, unsigned long int c);
static inline void numflt_mul(numflt_t a, numflt_t b, numflt_t c);
static inline void numflt_mul_2(numflt_t a, numflt_t b);
static inline void numflt_div(numflt_t a, numflt_t b, numflt_t c);
static inline void numflt_div_2(numflt_t a, numflt_t b);
static inline void numflt_min(numflt_t a, numflt_t b, numflt_t c);
static inline void numflt_max(numflt_t a, numflt_t b, numflt_t c);
static inline void numflt_floor(numflt_t a, numflt_t b);
static inline void numflt_ceil(numflt_t a, numflt_t b);
static inline void numflt_trunc(numflt_t a, numflt_t b);
static inline void numflt_sqrt(numflt_t up, numflt_t down, numflt_t b);
static inline void numflt_mul_2exp(numflt_t a, numflt_t b, int c);

/* ====================================================================== */
/* Arithmetic Tests */
/* ====================================================================== */

static inline int numflt_sgn(numflt_t a);
static inline int numflt_cmp(numflt_t a, numflt_t b);
static inline int numflt_cmp_int(numflt_t a, long int b);
static inline bool numflt_equal(numflt_t a, numflt_t b);
static inline bool numflt_integer(numflt_t a);

/* ====================================================================== */
/* Printing */
/* ====================================================================== */

static inline void numflt_print(numflt_t a);
static inline void numflt_fprint(FILE* stream, numflt_t a);
static inline int  numflt_snprint(char* s, size_t size, numflt_t a);

/* ====================================================================== */
/* Conversions */
/* ====================================================================== */

static inline bool numflt_set_int2(numflt_t a, long int i, long int j);
  /* int2 -> numflt */
static inline bool numflt_set_mpz(numflt_t a, mpz_t b);
  /* mpz -> numflt */
static inline bool numflt_set_mpq(numflt_t a, mpq_t b);
  /* mpq -> numflt */
static inline bool numflt_set_double(numflt_t a, double b);
  /* double -> numflt */
static inline bool numflt_set_mpfr(numflt_t a, mpfr_t b);
  /* mpfr -> numflt */
static inline bool numflt_set_ap_scalar(numflt_t a, ap_scalar_t* b);
  /* (finite) ap_scalar -> numflt */

static inline bool int_set_numflt(long int* a, numflt_t b);
  /* numflt -> int */
static inline bool mpz_set_numflt(mpz_t a, numflt_t b);
  /* numflt -> mpz */
static inline bool mpq_set_numflt(mpq_t a, numflt_t b);
  /* numflt -> mpq */
static inline bool double_set_numflt(double* a, numflt_t b);
  /* numflt -> double */
static inline bool mpfr_set_numflt(mpfr_t a, numflt_t b);
  /* numflt -> mpfr */
static inline bool ap_scalar_set_numflt(ap_scalar_t* a, numflt_t b);
  /* numflt -> ap_scalar */

static inline bool mpz_fits_numflt(mpz_t a);
static inline bool mpq_fits_numflt(mpq_t a);
static inline bool double_fits_numflt(double a);
static inline bool mpfr_fits_numflt(mpfr_t a);
static inline bool numflt_fits_int(numflt_t a);
static inline bool numflt_fits_float(numflt_t a);
static inline bool numflt_fits_double(numflt_t a);
static inline bool numflt_fits_mpfr(numflt_t a);

/* Optimized versions */
/* mpfr should have exactly the precision NUMFLT_MANT_DIG */
static inline bool numflt_set_mpz_tmp(numflt_t a, mpz_t b, mpfr_t mpfr);
static inline bool numflt_set_mpq_tmp(numflt_t a, mpq_t b, mpfr_t mpfr);

/* ====================================================================== */
/* Only for floating point */
/* ====================================================================== */

static inline bool numflt_infty(numflt_t a);
static inline void numflt_set_infty(numflt_t a, int sgn);

/* ====================================================================== */
/* Serialization */
/* ====================================================================== */

static inline unsigned char numflt_serialize_id(void)
{ return 0x20 + sizeof(numflt_t)/4; }

static inline size_t numflt_serialize(void* dst, numflt_t src);
static inline size_t numflt_deserialize(numflt_t dst, const void* src);
static inline size_t numflt_serialized_size(numflt_t a);


/* */
static inline bool numflt_set_ap_scalar(numflt_t a, ap_scalar_t* b)
{
  assert (ap_scalar_infty(b)==0);
  switch (b->discr){
  case AP_SCALAR_MPQ:
    return numflt_set_mpq(a,b->val.mpq);
  case AP_SCALAR_DOUBLE:
    return numflt_set_double(a,b->val.dbl);
  case AP_SCALAR_MPFR:
    return numflt_set_mpfr(a,b->val.mpfr);
  default: abort();
  }
}
static inline bool ap_scalar_set_numflt(ap_scalar_t* a, numflt_t b);

#ifdef __cplusplus
}
#endif

#endif