#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ atof(char *);
int /*<<< orphan*/ printf(char *, int /*<<< orphan*/);
int main() {
  printf("%Lf\n", atof("32.4e12"));
  printf("%Lg\n", atof("  +32.4E+12"));
  printf("%Lf\n", atof("-32.4e-5"));
  printf("%Lf\n", atof("-.324E-3"));
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xecf(%rip),%rdi
call   1030 <atof@plt>
mov    %eax,%esi
lea    0xebc(%rip),%rdi
call   1040 <printf@plt>
lea    0xec2(%rip),%rdi
call   1030 <atof@plt>
mov    %eax,%esi
lea    0xeaf(%rip),%rdi
call   1040 <printf@plt>
lea    0xeb4(%rip),%rdi
call   1030 <atof@plt>
mov    %eax,%esi
lea    0xe88(%rip),%rdi
call   1040 <printf@plt>
lea    0xea3(%rip),%rdi
call   1030 <atof@plt>
mov    %eax,%esi
lea    0xe6e(%rip),%rdi
call   1040 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
lea    0xedd(%rip),%rdi
call   1030 <atof@plt>
lea    0xecc(%rip),%rbx
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xecd(%rip),%rdi
call   1030 <atof@plt>
lea    0xebc(%rip),%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xebf(%rip),%rdi
call   1030 <atof@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
lea    0xeb2(%rip),%rdi
call   1030 <atof@plt>
mov    %rbx,%rdi
mov    %eax,%esi
call   1040 <printf@plt>
xor    %eax,%eax
pop    %rbx
ret

LLVM IR (-O0):
@.str = [5 x i8] c"%Lf\0A\00"
@.str.1 = [8 x i8] c"32.4e12\00"
@.str.2 = [5 x i8] c"%Lg\0A\00"
@.str.3 = [12 x i8] c" +32.4E+12\00"
@.str.4 = [9 x i8] c"-32.4e-5\00"
@.str.5 = [9 x i8] c"-.324E-3\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @atof(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %2)
%4 = call i32 @atof(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %4)
%6 = call i32 @atof(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %6)
%8 = call i32 @atof(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %8)
ret i32 0
}

LLVM IR (-O2):
@.str = [5 x i8] c"%Lf\0A\00"
@.str.1 = [8 x i8] c"32.4e12\00"
@.str.2 = [5 x i8] c"%Lg\0A\00"
@.str.3 = [12 x i8] c" +32.4E+12\00"
@.str.4 = [9 x i8] c"-32.4e-5\00"
@.str.5 = [9 x i8] c"-.324E-3\00"
define i32 @main() {
%1 = tail call i32 @atof(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%2 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %1)
%3 = tail call i32 @atof(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.3, i64 0, i64 0))
%4 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0), i32 %3)
%5 = tail call i32 @atof(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
%6 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %5)
%7 = tail call i32 @atof(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.5, i64 0, i64 0))
%8 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %7)
ret i32 0
}