use strict;
use warnings;

use Inline C => Config =>
  BUILD_NOISY => 1,
  USING => 'ParseRegExp',
  #CLEAN_AFTER_BUILD => 0,
  ;

use Inline C => <<'EOC';

#include <stdio.h>

int foo(void) {
  _Decimal64 d64 = 0.DD;

  d64 *= -1.DD;

  if(d64 != 0.DD) printf("!= 0\n");
  else printf("== 0\n");

  if(d64 != -0.DD) printf("!= -0\n");
  else printf("== -0\n");

  return 0;
}

EOC

foo();

##</code><code>##

!= 0
== -0

##</code><code>##

#include <stdio.h>

int main(void) {
  _Decimal64 d64 = 0.DD;

  d64 *= -1.DD;

  if(d64 != 0.DD) printf("!= 0\n");
  else printf("== 0\n");

  if(d64 != -0.DD) printf("!= -0\n");
  else printf("== -0\n");

  return 0;
}

##</code><code>##

== 0
== -0

##</code><code>##

use strict;
use warnings;

use Inline C => Config =>
  BUILD_NOISY => 1,
  USING => 'ParseRegExp',
  #CLEAN_AFTER_BUILD => 0,
  ;

use Inline C => <<'EOC';

#include <stdio.h>

void _is_zero(_Decimal64 d64) {

  if(d64 != 0.DD) printf("!= 0\n");
  else printf("== 0\n");

  if(d64 != -0.DD) printf("!= -0\n");
  else printf("== -0\n");
}

int foo(void) {
  _Decimal64 d64 = 0.DD;

  d64 *= -1.DD;

  _is_zero(d64);

  return 0;
}

EOC

foo();

##</code><code>##

== 0
== -0