#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)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0x10(%rbp),%rdx
lea    -0xc(%rbp),%rcx
lea    -0x14(%rbp),%r8
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    1203 <main+0xe3>
jp     1203 <main+0xe3>
jmp    1228 <main+0x108>
movss  -0x18(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movss  -0x1c(%rbp),%xmm1
cvtss2sd %xmm1,%xmm1
lea    0xdf0(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
jmp    1236 <main+0x116>
lea    0xdeb(%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    0xed5(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0xc(%rsp),%rdx
lea    0x10(%rsp),%rcx
lea    0x8(%rsp),%r8
call   1040 <scanf@plt>
movss  0x14(%rsp),%xmm1
movss  0x10(%rsp),%xmm3
movss  0x8(%rsp),%xmm0
movss  0xc(%rsp),%xmm4
movaps %xmm3,%xmm5
mulss  %xmm4,%xmm5
movaps %xmm1,%xmm2
mulss  %xmm0,%xmm2
ucomiss %xmm5,%xmm2
jne    1171 <main+0x51>
jnp    11b3 <main+0x93>
subss  %xmm5,%xmm2
movaps %xmm1,%xmm5
subss  %xmm3,%xmm5
mulss  %xmm4,%xmm5
mulss  %xmm0,%xmm5
divss  %xmm2,%xmm5
mulss  %xmm3,%xmm1
subss  %xmm4,%xmm0
mulss  %xmm1,%xmm0
divss  %xmm2,%xmm0
cvtss2sd %xmm0,%xmm0
xorps  %xmm1,%xmm1
cvtss2sd %xmm5,%xmm1
lea    0xe62(%rip),%rdi
mov    $0x2,%al
call   1030 <printf@plt>
jmp    11c1 <main+0xa1>
lea    0xe60(%rip),%rdi
xor    %eax,%eax
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 = call i32 @scanf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), float* %2, float* %4, float* %3, float* %5)
%9 = load float, float* %2
%10 = load float, float* %3
%11 = fmul float %9, %10
%12 = load float, float* %5
%13 = load float, float* %4
%14 = fsub float %12, %13
%15 = fmul float %11, %14
%16 = load float, float* %2
%17 = load float, float* %5
%18 = load float, float* %3
%19 = load float, float* %4
%20 = fmul float %18, %19
%21 = fneg float %20
%22 = call float @llvm.fmuladd.f32(float %16, float %17, float %21)
%23 = fdiv float %15, %22
store float %23, float* %6
%24 = load float, float* %2
%25 = load float, float* %3
%26 = fsub float %24, %25
%27 = load float, float* %4
%28 = fmul float %26, %27
%29 = load float, float* %5
%30 = fmul float %28, %29
%31 = load float, float* %2
%32 = load float, float* %5
%33 = load float, float* %3
%34 = load float, float* %4
%35 = fmul float %33, %34
%36 = fneg float %35
%37 = call float @llvm.fmuladd.f32(float %31, float %32, float %36)
%38 = fdiv float %30, %37
store float %38, float* %7
%39 = load float, float* %2
%40 = load float, float* %5
%41 = fmul float %39, %40
%42 = load float, float* %4
%43 = load float, float* %3
%44 = fmul float %42, %43
%45 = fcmp une float %41, %44
br i1 %45, label %46, label %52
46: ; preds = %0
%47 = load float, float* %6
%48 = fpext float %47 to double
%49 = load float, float* %7
%50 = fpext float %49 to double
%51 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), double %48, double %50)
br label %54
52: ; preds = %0
%53 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
br label %54
54: ; preds = %52, %46
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"
@.str.2 = [4 x i8] c"INF\00"
define i32 @main() {
%1 = alloca float
%2 = alloca float
%3 = alloca float
%4 = alloca float
%5 = bitcast float* %1 to i8*
%6 = bitcast float* %2 to i8*
%7 = bitcast float* %3 to i8*
%8 = bitcast float* %4 to i8*
%9 = call i32 @scanf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str, i64 0, i64 0), float* %1, float* %3, float* %2, float* %4)
%10 = load float, float* %1
%11 = load float, float* %2
%12 = load float, float* %4
%13 = load float, float* %3
%14 = fmul float %11, %13
%15 = fneg float %14
%16 = call float @llvm.fmuladd.f32(float %10, float %12, float %15)
%17 = fmul float %10, %12
%18 = fcmp une float %17, %14
br i1 %18, label %19, label %31
19: ; preds = %0
%20 = fsub float %10, %11
%21 = fmul float %20, %13
%22 = fmul float %12, %21
%23 = fdiv float %22, %16
%24 = fmul float %10, %11
%25 = fsub float %12, %13
%26 = fmul float %24, %25
%27 = fdiv float %26, %16
%28 = fpext float %27 to double
%29 = fpext float %23 to double
%30 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([14 x i8], [14 x i8]* @.str.1, i64 0, i64 0), double %28, double %29)
br label %33
31: ; preds = %0
%32 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0))
br label %33
33: ; preds = %31, %19
ret i32 0
}