#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 */
double pow(int, double);
double ss(double);
double del(double xx, double Q2) {
  double s = ss(Q2);
  double s2 = s * s;
  double a = 0.409 - 0.005 * s;
  double b = 0.799 + 0.071 * s;
  double N = 0.082 + 0.014 * s + 0.008 * s2;
  double A = -38.07 + 36.13 * s - 0.656 * s2;
  double B = 90.31 - 74.15 * s + 7.645 * s2;
  double C = 0;
  double D = 7.486 + 1.217 * s - 0.159 * s2;
  return N * pow(xx, a) * (1 + A * pow(xx, b) + xx * B) * pow(1 - xx, D);
}


x86 assembly (clang, -O0):
<del>:
push   %rbp
mov    %rsp,%rbp
sub    $0x80,%rsp
movsd  %xmm0,-0x8(%rbp)
movsd  %xmm1,-0x10(%rbp)
movsd  -0x10(%rbp),%xmm0
call   1030 <ss@plt>
movsd  %xmm0,-0x18(%rbp)
movsd  -0x18(%rbp),%xmm0
mulsd  -0x18(%rbp),%xmm0
movsd  %xmm0,-0x20(%rbp)
movsd  -0x18(%rbp),%xmm0
movsd  0xf18(%rip),%xmm1
mulsd  %xmm1,%xmm0
movsd  0xf14(%rip),%xmm1
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x28(%rbp)
movsd  -0x18(%rbp),%xmm0
movsd  0xee6(%rip),%xmm1
mulsd  %xmm1,%xmm0
movsd  0xee2(%rip),%xmm1
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x30(%rbp)
movsd  -0x18(%rbp),%xmm1
movsd  0xeb4(%rip),%xmm0
mulsd  %xmm0,%xmm1
movsd  0xeb0(%rip),%xmm0
addsd  %xmm0,%xmm1
movsd  -0x20(%rbp),%xmm0
movsd  0xe8f(%rip),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x38(%rbp)
movsd  -0x18(%rbp),%xmm1
movsd  0xe65(%rip),%xmm0
mulsd  %xmm0,%xmm1
movsd  0xe61(%rip),%xmm0
addsd  %xmm0,%xmm1
movsd  -0x20(%rbp),%xmm0
movsd  0xe40(%rip),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x18(%rbp),%xmm1
movsd  0xe16(%rip),%xmm0
mulsd  %xmm0,%xmm1
movsd  0xe12(%rip),%xmm0
addsd  %xmm0,%xmm1
movsd  -0x20(%rbp),%xmm0
movsd  0xdf1(%rip),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x48(%rbp)
xorps  %xmm0,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x18(%rbp),%xmm1
movsd  0xdbf(%rip),%xmm0
mulsd  %xmm0,%xmm1
movsd  0xdbb(%rip),%xmm0
addsd  %xmm0,%xmm1
movsd  -0x20(%rbp),%xmm0
movsd  0xd9a(%rip),%xmm2
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x58(%rbp)
movsd  -0x38(%rbp),%xmm0
movsd  %xmm0,-0x78(%rbp)
cvttsd2si -0x8(%rbp),%edi
movsd  -0x28(%rbp),%xmm0
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  -0x78(%rbp),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x68(%rbp)
movsd  -0x40(%rbp),%xmm0
movsd  %xmm0,-0x70(%rbp)
cvttsd2si -0x8(%rbp),%edi
movsd  -0x30(%rbp),%xmm0
call   1040 <pow@plt>
movsd  -0x70(%rbp),%xmm2
movaps %xmm0,%xmm1
movsd  -0x68(%rbp),%xmm0
mulsd  %xmm1,%xmm2
movsd  0xd29(%rip),%xmm1
addsd  %xmm1,%xmm2
movsd  -0x8(%rbp),%xmm1
movsd  -0x48(%rbp),%xmm3
mulsd  %xmm3,%xmm1
addsd  %xmm2,%xmm1
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  0xd02(%rip),%xmm0
subsd  -0x8(%rbp),%xmm0
cvttsd2si %xmm0,%edi
movsd  -0x58(%rbp),%xmm0
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  -0x60(%rbp),%xmm0
mulsd  %xmm1,%xmm0
add    $0x80,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<del>:
push   %rbx
sub    $0x30,%rsp
movsd  %xmm0,0x10(%rsp)
movapd %xmm1,%xmm0
call   1030 <ss@plt>
movapd %xmm0,%xmm4
movapd %xmm0,%xmm1
mulsd  %xmm0,%xmm1
movsd  0xeb8(%rip),%xmm0
mulsd  %xmm4,%xmm0
addsd  0xeb4(%rip),%xmm0
movsd  0xeb4(%rip),%xmm2
mulsd  %xmm4,%xmm2
addsd  0xeb0(%rip),%xmm2
movsd  %xmm2,0x8(%rsp)
movsd  0xeaa(%rip),%xmm2
mulsd  %xmm4,%xmm2
addsd  0xea6(%rip),%xmm2
movsd  0xea6(%rip),%xmm5
mulsd  %xmm1,%xmm5
movsd  0xea2(%rip),%xmm3
mulsd  %xmm4,%xmm3
addsd  0xe9e(%rip),%xmm3
addsd  %xmm2,%xmm5
movsd  %xmm5,(%rsp)
movsd  0xe95(%rip),%xmm2
mulsd  %xmm1,%xmm2
addsd  %xmm3,%xmm2
movsd  %xmm2,0x28(%rsp)
movsd  0xe87(%rip),%xmm2
mulsd  %xmm4,%xmm2
addsd  0xe83(%rip),%xmm2
movsd  0xe83(%rip),%xmm3
mulsd  %xmm1,%xmm3
mulsd  0xe7f(%rip),%xmm4
addsd  0xe7f(%rip),%xmm4
mulsd  0xe7f(%rip),%xmm1
addsd  %xmm2,%xmm3
movsd  %xmm3,0x18(%rsp)
addsd  %xmm1,%xmm4
movsd  %xmm4,0x20(%rsp)
cvttsd2si 0x10(%rsp),%ebx
mov    %ebx,%edi
call   1040 <pow@plt>
mulsd  (%rsp),%xmm0
movsd  %xmm0,(%rsp)
mov    %ebx,%edi
movsd  0x8(%rsp),%xmm0
call   1040 <pow@plt>
mulsd  0x28(%rsp),%xmm0
movsd  0xe41(%rip),%xmm3
addsd  %xmm3,%xmm0
movsd  0x10(%rsp),%xmm1
movsd  0x18(%rsp),%xmm2
mulsd  %xmm1,%xmm2
addsd  %xmm2,%xmm0
mulsd  (%rsp),%xmm0
movsd  %xmm0,0x8(%rsp)
subsd  %xmm1,%xmm3
cvttsd2si %xmm3,%edi
movsd  0x20(%rsp),%xmm0
call   1040 <pow@plt>
mulsd  0x8(%rsp),%xmm0
add    $0x30,%rsp
pop    %rbx
ret

LLVM IR (-O0):
define double @del(double %0, double %1) {
%3 = alloca double
%4 = alloca double
%5 = alloca double
%6 = alloca double
%7 = alloca double
%8 = alloca double
%9 = alloca double
%10 = alloca double
%11 = alloca double
%12 = alloca double
%13 = alloca double
store double %0, double* %3
store double %1, double* %4
%14 = load double, double* %4
%15 = call double @ss(double %14)
store double %15, double* %5
%16 = load double, double* %5
%17 = load double, double* %5
%18 = fmul double %16, %17
store double %18, double* %6
%19 = load double, double* %5
%20 = call double @llvm.fmuladd.f64(double -5.000000e-03, double %19, double 4.090000e-01)
store double %20, double* %7
%21 = load double, double* %5
%22 = call double @llvm.fmuladd.f64(double 0x3FB22D0E56041893, double %21, double 7.990000e-01)
store double %22, double* %8
%23 = load double, double* %5
%24 = call double @llvm.fmuladd.f64(double 1.400000e-02, double %23, double 8.200000e-02)
%25 = load double, double* %6
%26 = call double @llvm.fmuladd.f64(double 8.000000e-03, double %25, double %24)
store double %26, double* %9
%27 = load double, double* %5
%28 = call double @llvm.fmuladd.f64(double 3.613000e+01, double %27, double -3.807000e+01)
%29 = load double, double* %6
%30 = call double @llvm.fmuladd.f64(double -6.560000e-01, double %29, double %28)
store double %30, double* %10
%31 = load double, double* %5
%32 = call double @llvm.fmuladd.f64(double -7.415000e+01, double %31, double 9.031000e+01)
%33 = load double, double* %6
%34 = call double @llvm.fmuladd.f64(double 0x401E947AE147AE14, double %33, double %32)
store double %34, double* %11
store double 0.000000e+00, double* %12
%35 = load double, double* %5
%36 = call double @llvm.fmuladd.f64(double 1.217000e+00, double %35, double 0x401DF1A9FBE76C8B)
%37 = load double, double* %6
%38 = call double @llvm.fmuladd.f64(double -1.590000e-01, double %37, double %36)
store double %38, double* %13
%39 = load double, double* %9
%40 = load double, double* %3
%41 = fptosi double %40 to i32
%42 = load double, double* %7
%43 = call double @pow(i32 %41, double %42)
%44 = fmul double %39, %43
%45 = load double, double* %10
%46 = load double, double* %3
%47 = fptosi double %46 to i32
%48 = load double, double* %8
%49 = call double @pow(i32 %47, double %48)
%50 = call double @llvm.fmuladd.f64(double %45, double %49, double 1.000000e+00)
%51 = load double, double* %3
%52 = load double, double* %11
%53 = call double @llvm.fmuladd.f64(double %51, double %52, double %50)
%54 = fmul double %44, %53
%55 = load double, double* %3
%56 = fsub double 1.000000e+00, %55
%57 = fptosi double %56 to i32
%58 = load double, double* %13
%59 = call double @pow(i32 %57, double %58)
%60 = fmul double %54, %59
ret double %60
}

LLVM IR (-O2):
define double @del(double %0, double %1) {
%3 = tail call double @ss(double %1)
%4 = fmul double %3, %3
%5 = tail call double @llvm.fmuladd.f64(double %3, double -5.000000e-03, double 4.090000e-01)
%6 = tail call double @llvm.fmuladd.f64(double %3, double 0x3FB22D0E56041893, double 7.990000e-01)
%7 = tail call double @llvm.fmuladd.f64(double %3, double 1.400000e-02, double 8.200000e-02)
%8 = tail call double @llvm.fmuladd.f64(double %4, double 8.000000e-03, double %7)
%9 = tail call double @llvm.fmuladd.f64(double %3, double 3.613000e+01, double -3.807000e+01)
%10 = tail call double @llvm.fmuladd.f64(double %4, double -6.560000e-01, double %9)
%11 = tail call double @llvm.fmuladd.f64(double %3, double -7.415000e+01, double 9.031000e+01)
%12 = tail call double @llvm.fmuladd.f64(double %4, double 0x401E947AE147AE14, double %11)
%13 = tail call double @llvm.fmuladd.f64(double %3, double 1.217000e+00, double 0x401DF1A9FBE76C8B)
%14 = tail call double @llvm.fmuladd.f64(double %4, double -1.590000e-01, double %13)
%15 = fptosi double %0 to i32
%16 = tail call double @pow(i32 %15, double %5)
%17 = fmul double %16, %8
%18 = tail call double @pow(i32 %15, double %6)
%19 = tail call double @llvm.fmuladd.f64(double %10, double %18, double 1.000000e+00)
%20 = tail call double @llvm.fmuladd.f64(double %0, double %12, double %19)
%21 = fmul double %17, %20
%22 = fsub double 1.000000e+00, %0
%23 = fptosi double %22 to i32
%24 = tail call double @pow(i32 %23, double %14)
%25 = fmul double %24, %21
ret double %25
}