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File: qtesterutil.h

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//   Copyright Naoki Shibata and contributors 2010 - 2025.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)

#include "quaddef.h"
#include "testerutil.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
  uint64_t h, l;
#else
  uint64_t l, h;
#endif
} xuint128;

xuint128 xu(uint64_t h, uint64_t l);
xuint128 sll128(uint64_t u, int c);
xuint128 add128(xuint128 x, xuint128 y);
int lt128(xuint128 x, xuint128 y);

void xsrand(uint64_t s);
uint64_t xrand();
void memrand(void *p, int size);
Sleef_quad rndf128(Sleef_quad min, Sleef_quad max, int setSignRandomly);
Sleef_quad rndf128x();

int readln(int fd, char *buf, int cnt);
int startsWith(char *str, char *prefix);

int iszerof128(Sleef_quad a);
int isnegf128(Sleef_quad a);
int isinff128(Sleef_quad a);
int isnonnumberf128(Sleef_quad a);
int isnanf128(Sleef_quad a);

#ifdef USEMPFR
void mpfr_set_f128(mpfr_t frx, Sleef_quad a, mpfr_rnd_t rnd);
Sleef_quad mpfr_get_f128(mpfr_t m, mpfr_rnd_t rnd);

double countULPf128(Sleef_quad d, mpfr_t c, int checkNegZero);
char *sprintfr(mpfr_t fr);
char *sprintf128(Sleef_quad x);

#ifdef QUADMATH_H
void printf128(Sleef_quad f);
#endif

double cast_d_q(Sleef_quad q);
Sleef_quad cast_q_str(const char *s);
Sleef_quad cast_q_str_hex(const char *s);
Sleef_quad add_q_d(Sleef_quad q, double d);
#endif

#ifdef __cplusplus
}
#endif