C++ (Cpp) CHECK_TRIPPED_ERRNO Exemples

Exemple #1

Fichier : float_math.c Projet : eseidel/native_client_patches

int test_exception() {
  int errs = 0;
  printf("Checking that exceptional lib calls set errno\n");
  errs += CHECK_TRIPPED_ERRNO(pow(-3, 4.4));
  errs += CHECK_TRIPPED_ERRNO(log(-3.0));
  errs += CHECK_TRIPPED_ERRNO(sqrt(-0.001));
  errs += CHECK_TRIPPED_ERRNO(asin(1.0001));

/* Some versions of libc don't set errno =(
 * http://sourceware.org/bugzilla/show_bug.cgi?id=6780
 * http://sourceware.org/bugzilla/show_bug.cgi?id=6781
  errs += CHECK_TRIPPED_ERRNO(sin(INFINITY));
  errs += CHECK_TRIPPED_ERRNO(cos(INFINITY));
  */
  errs += CHECK_TRIPPED_ERRNO(acosh(0.999));
  errs += CHECK_TRIPPED_ERRNO(remainder(3.3, 0.0));

/* Some versions of libc don't set errno =(
 * http://sourceware.org/bugzilla/show_bug.cgi?id=6783
  errs += CHECK_TRIPPED_ERRNO(remainder(INFINITY, 3.3));
  */
  return errs;
}

Exemple #2

Fichier : float_math.c Projet : Lind-Project/native_client

int test_exception(void) {
  int errs = 0;
  /*
   * Attempt to prevent constant folding and optimization of library
   * function bodies (when statically linked).
   */
  volatile double x;
  volatile double y;

  printf("Checking that exceptional lib calls set errno\n");
  x = -3.0; y = 4.4;
  errs += CHECK_TRIPPED_ERRNO(pow(x, y));
  errs += CHECK_TRIPPED_ERRNO(log(x));
  x = -0.001;
  errs += CHECK_TRIPPED_ERRNO(sqrt(x));
  x = 1.0001;
  errs += CHECK_TRIPPED_ERRNO(asin(x));

/* Some versions of libc don't set errno =(
 * http://sourceware.org/bugzilla/show_bug.cgi?id=6780
 * http://sourceware.org/bugzilla/show_bug.cgi?id=6781
  x = INFINITY;
  errs += CHECK_TRIPPED_ERRNO(sin(x));
  errs += CHECK_TRIPPED_ERRNO(cos(x));
 */
  x = 0.999;
  errs += CHECK_TRIPPED_ERRNO(acosh(x));
  x = 3.3; y = 0.0;
  errs += CHECK_TRIPPED_ERRNO(remainder(x, y));

/* Some versions of libc don't set errno =(
 * http://sourceware.org/bugzilla/show_bug.cgi?id=6783
  x = INFINITY; y = 3.3;
  errs += CHECK_TRIPPED_ERRNO(remainder(x, y));
 */
  return errs;
}