extern void abort(void);
extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
void reach_error() { __assert_fail("0", "float_req_bl_1011a.c", 3, "reach_error"); }
extern float __VERIFIER_nondet_float();

typedef int __int32_t;
typedef unsigned int __uint32_t;

typedef union {
  float value;
  __uint32_t word;
} ieee_float_shape_type;

float fabs_float(float x) {
  __uint32_t ix;
  do {
    ieee_float_shape_type gf_u;
    gf_u.value = (x);
    (ix) = gf_u.word;
  } while (0);
  do {
    ieee_float_shape_type sf_u;
    sf_u.word = (ix & 0x7fffffff);
    (x) = sf_u.value;
  } while (0);
  return x;
}

int __signbit_float(float x) {
  __uint32_t w;

  do {
    ieee_float_shape_type gf_u;
    gf_u.value = (x);
    (w) = gf_u.word;
  } while (0);

  return (w & 0x80000000) != 0;
}

int main() {

  /* REQ-BL-1011
   * The fabs and fabsf procedures shall return +0 , if the argument x is -+0.
   */

  float x = 0.0f;
  float res = fabs_float(x);

  // x is +0, result shall be +0
  if (!(res == 0.0f && __signbit_float(res) == 0)) {
    {reach_error();}
    return 1;
  }

  return 0;
}