When printf "%g" with trailing 0 number, decial point be printed. (#13682) · Issues · Glasgow Haskell Compiler / GHC

When printf "%g" with trailing 0 number, decial point be printed.

C lang's printf function doesn't print decimal point if only trailing 0s. But GHC does.

Prelude Text.Printf> :m + Text.Printf
Prelude Text.Printf> printf "%g\n" 2.0
2.0

#include <stdio.h>

int main() {
  printf("%g\n", 2.0);
  return 0;
}
// output: 2

Is this bug? Should printf be compatible with C?

Trac metadata