#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 *, ...);
int /*<<< orphan*/ scanf(char *, float *, float, float *, float *);
int main() {
  float a1, a2, b1, b2, x, y;
  scanf("%f %f %f %f", &a1, b1, &a2, &b2);
  x = a1 * a2 * (b2 - b1) / (a1 * b2 - a2 * b1);
  y = (a1 - a2) * b1 * b2 / (a1 * b2 - a2 * b1);
  if (a1 * b2 != b1 * a2)
    printf("(%0.3f,%0.3f)", x, y);
  else
    printf("INF");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movss  -0x10(%rbp),%xmm0
lea    0xec5(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
lea    -0x14(%rbp),%rcx
call   1040 <scanf@plt>
movss  -0x8(%rbp),%xmm0
mulss  -0xc(%rbp),%xmm0
movss  -0x14(%rbp),%xmm1
subss  -0x10(%rbp),%xmm1
mulss  %xmm1,%xmm0
movss  -0x8(%rbp),%xmm1
movss  -0x14(%rbp),%xmm3
movss  -0xc(%rbp),%xmm2
mulss  -0x10(%rbp),%xmm2
movd   %xmm2,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm2
mulss  %xmm3,%xmm1
addss  %xmm2,%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x18(%rbp)
movss  -0x8(%rbp),%xmm0
subss  -0xc(%rbp),%xmm0
mulss  -0x10(%rbp),%xmm0
mulss  -0x14(%rbp),%xmm0
movss  -0x8(%rbp),%xmm1
movss  -0x14(%rbp),%xmm3
movss  -0xc(%rbp),%xmm2
mulss  -0x10(%rbp),%xmm2
movd   %xmm2,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm2
mulss  %xmm3,%xmm1
addss  %xmm2,%xmm1
divss  %xmm1,%xmm0
movss  %xmm0,-0x1c(%rbp)
movss  -0x8(%rbp),%xmm0
mulss  -0x14(%rbp),%xmm0
movss  -0x10(%rbp),%xmm1
mulss  -0xc(%rbp),%xmm1
ucomiss %xmm1,%xmm0
jne    1204 <main+0xe4>
jp     1204 <main+0xe4>
jmp    1229 <main+0x109>
movss  -0x18(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x1c(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xdef(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
jmp    1237 <main+0x117>
lea    0xdea(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
sub    $0x18,%rsp
lea    0xedd(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
call   1040 <scanf@plt>
lea    0xece(%rip),%rdi
movsd  0xeb2(%rip),%xmm0
movaps %xmm0,%xmm1
mov    $0x2,%al
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x18,%rsp
ret

LLVM IR (-O0):
@.str = [12 x i8] c"%f %f %f %f\00"
@.str.1 = [14 x i8] c"(%0.3f,%0.3f)\00"
@.str.2 = [4 x i8] c"INF\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = alloca float
%7 = alloca float
store i32 0, i32* %1
%8 = load float, float* %4
%9 = call i32 @scanf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), float* %2, float %8, float* %3, float* %5)
%10 = load float, float* %2
%11 = load float, float* %3
%12 = fmul float %10, %11
%13 = load float, float* %5
%14 = load float, float* %4
%15 = fsub float %13, %14
%16 = fmul float %12, %15
%17 = load float, float* %2
%18 = load float, float* %5
%19 = load float, float* %3
%20 = load float, float* %4
%21 = fmul float %19, %20
%22 = fneg float %21
%23 = call float @llvm.fmuladd.f32(float %17, float %18, float %22)
%24 = fdiv float %16, %23
store float %24, float* %6
%25 = load float, float* %2
%26 = load float, float* %3
%27 = fsub float %25, %26
%28 = load float, float* %4
%29 = fmul float %27, %28
%30 = load float, float* %5
%31 = fmul float %29, %30
%32 = load float, float* %2
%33 = load float, float* %5
%34 = load float, float* %3
%35 = load float, float* %4
%36 = fmul float %34, %35
%37 = fneg float %36
%38 = call float @llvm.fmuladd.f32(float %32, float %33, float %37)
%39 = fdiv float %31, %38
store float %39, float* %7
%40 = load float, float* %2
%41 = load float, float* %5
%42 = fmul float %40, %41
%43 = load float, float* %4
%44 = load float, float* %3
%45 = fmul float %43, %44
%46 = fcmp une float %42, %45
br i1 %46, label %47, label %53
47: ; preds = %0
%48 = load float, float* %6
%49 = fpext float %48 to double
%50 = load float, float* %7
%51 = fpext float %50 to double
%52 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), double %49, double %51)
br label %55
53: ; preds = %0
%54 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
br label %55
55: ; preds = %53, %47
ret i32 0
}

LLVM IR (-O2):
@.str = [12 x i8] c"%f %f %f %f\00"
@.str.1 = [14 x i8] c"(%0.3f,%0.3f)\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = bitcast float* %1 to i8*
%5 = bitcast float* %2 to i8*
%6 = bitcast float* %3 to i8*
%7 = call i32 @scanf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), float* %1, float undef, float* %2, float* %3)
%8 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), double 0x7FF8000000000000, double 0x7FF8000000000000)
ret i32 0
}