#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*/ printf(char *, float, float, float, float, float);
int /*<<< orphan*/ scanf(char *, float *, float *);
int main() {
  float a;
  float b;
  scanf("%f%f", &a, &b);
  float area;
  area = (a * b) / 2;
  if (area >= 0) {
    printf("The area of (%6.4f, %6.4f), (%6.4f,0) and (0,%6.4f) is %6.4f.", a,
           b, a, b, area);
  } else {
    printf("The area of (%6.4f, %6.4f), (%6.4f,0) and (0,%6.4f) is %6.4f.", a,
           b, a, b, area - (area * 2));
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xece(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
mulss  -0xc(%rbp),%xmm0
movss  0xeab(%rip),%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x10(%rbp)
movss  -0x10(%rbp),%xmm0
xorps  %xmm1,%xmm1
ucomiss %xmm1,%xmm0
jb     1199 <main+0x79>
movss  -0x8(%rbp),%xmm0
movss  -0xc(%rbp),%xmm1
movss  -0x8(%rbp),%xmm2
movss  -0xc(%rbp),%xmm3
movss  -0x10(%rbp),%xmm4
lea    0xe7a(%rip),%rdi
call   1030 <printf@plt>
jmp    11d8 <main+0xb8>
movss  -0x8(%rbp),%xmm0
movss  -0xc(%rbp),%xmm1
movss  -0x8(%rbp),%xmm2
movss  -0xc(%rbp),%xmm3
movss  -0x10(%rbp),%xmm5
movss  -0x10(%rbp),%xmm4
movd   %xmm4,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm4
addss  %xmm4,%xmm4
addss  %xmm5,%xmm4
lea    0xe36(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xedc(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1040 <scanf@plt>
movss  0x4(%rsp),%xmm0
movss  (%rsp),%xmm1
movaps %xmm0,%xmm2
mulss  %xmm1,%xmm2
mulss  0xeb1(%rip),%xmm2
movaps %xmm2,%xmm3
xorps  %xmm4,%xmm4
cmpnless %xmm2,%xmm4
movaps %xmm4,%xmm5
andnps %xmm2,%xmm5
addss  %xmm2,%xmm2
subss  %xmm2,%xmm3
andps  %xmm3,%xmm4
orps   %xmm5,%xmm4
lea    0xe94(%rip),%rdi
movaps %xmm0,%xmm2
movaps %xmm1,%xmm3
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [5 x i8] c"%f%f\00"
@.str.1 = [62 x i8] c"The area of (%6.4f, %6.4f), (%6.4f,0) and (0,%6.4f) is %6.4f.\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
store i32 0, i32* %1
%5 = call i32 @scanf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), float* %2, float* %3)
%6 = load float, float* %2
%7 = load float, float* %3
%8 = fmul float %6, %7
%9 = fdiv float %8, 2.000000e+00
store float %9, float* %4
%10 = load float, float* %4
%11 = fcmp oge float %10, 0.000000e+00
br i1 %11, label %12, label %19
12: ; preds = %0
%13 = load float, float* %2
%14 = load float, float* %3
%15 = load float, float* %2
%16 = load float, float* %3
%17 = load float, float* %4
%18 = call i32 @printf(i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.1, i64 0, i64 0), float %13, float %14, float %15, float %16, float %17)
br label %29
19: ; preds = %0
%20 = load float, float* %2
%21 = load float, float* %3
%22 = load float, float* %2
%23 = load float, float* %3
%24 = load float, float* %4
%25 = load float, float* %4
%26 = fneg float %25
%27 = call float @llvm.fmuladd.f32(float %26, float 2.000000e+00, float %24)
%28 = call i32 @printf(i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.1, i64 0, i64 0), float %20, float %21, float %22, float %23, float %27)
br label %29
29: ; preds = %19, %12
ret i32 0
}

LLVM IR (-O2):
@.str = [5 x i8] c"%f%f\00"
@.str.1 = [62 x i8] c"The area of (%6.4f, %6.4f), (%6.4f,0) and (0,%6.4f) is %6.4f.\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = bitcast float* %1 to i8*
%4 = bitcast float* %2 to i8*
%5 = call i32 @scanf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), float* %1, float* %2)
%6 = load float, float* %1
%7 = load float, float* %2
%8 = fmul float %6, %7
%9 = fmul float %8, 5.000000e-01
%10 = fcmp ult float %9, 0.000000e+00
%11 = fneg float %9
%12 = call float @llvm.fmuladd.f32(float %11, float 2.000000e+00, float %9)
%13 = select i1 %10, float %12, float %9
%14 = call i32 @printf(i8* getelementptr inbounds ([62 x i8], [62 x i8]* @.str.1, i64 0, i64 0), float %6, float %7, float %6, float %7, float %13)
ret i32 0
}