#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 const exp(double const);
double const pow(double const, double);
double const sqrt(double);
double HO_13(const double a, const double x) {
  double retval = sqrt(0.6006e4) * pow(a, 0.3e1 / 0.4e1) * x *
                  (0.64e2 * pow(a, 0.6e1) * pow(x, 0.12e2) -
                   0.2496e4 * pow(a, 0.5e1) * pow(x, 0.10e2) +
                   0.34320e5 * pow(a, 0.4e1) * pow(x, 0.8e1) -
                   0.205920e6 * pow(a, 0.3e1) * pow(x, 0.6e1) +
                   0.540540e6 * a * a * pow(x, 0.4e1) - 0.540540e6 * a * x * x +
                   0.135135e6) *
                  exp(-a * x * x / 0.2e1) *
                  pow(0.3141592654e1, -0.1e1 / 0.4e1) / 0.4324320e7;
  return retval;
}


x86 assembly (clang, -O0):
<HO_13>:
push   %rbp
mov    %rsp,%rbp
sub    $0x80,%rsp
movsd  %xmm0,-0x8(%rbp)
movsd  %xmm1,-0x10(%rbp)
movsd  0xf43(%rip),%xmm0
call   1050 <sqrt@plt>
movsd  %xmm0,-0x80(%rbp)
movsd  -0x8(%rbp),%xmm0
movsd  0xf24(%rip),%xmm1
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  -0x80(%rbp),%xmm0
mulsd  %xmm1,%xmm0
mulsd  -0x10(%rbp),%xmm0
movsd  %xmm0,-0x30(%rbp)
movsd  -0x8(%rbp),%xmm0
movsd  0xeac(%rip),%xmm1
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  0xee4(%rip),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x68(%rbp)
movsd  -0x10(%rbp),%xmm0
movsd  0xec6(%rip),%xmm1
call   1040 <pow@plt>
movsd  %xmm0,-0x70(%rbp)
movsd  -0x8(%rbp),%xmm0
movsd  0xea7(%rip),%xmm1
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  0xe8f(%rip),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x78(%rbp)
movsd  -0x10(%rbp),%xmm0
movsd  0xe71(%rip),%xmm1
call   1040 <pow@plt>
movsd  -0x78(%rbp),%xmm1
movsd  -0x70(%rbp),%xmm2
movaps %xmm0,%xmm3
movsd  -0x68(%rbp),%xmm0
mulsd  %xmm3,%xmm1
movq   %xmm1,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm1
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x60(%rbp)
movsd  -0x8(%rbp),%xmm0
movsd  0xdf5(%rip),%xmm1
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  0xe0d(%rip),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x58(%rbp)
movsd  -0x10(%rbp),%xmm0
movsd  0xdef(%rip),%xmm1
call   1040 <pow@plt>
movsd  -0x60(%rbp),%xmm1
movaps %xmm0,%xmm2
movsd  -0x58(%rbp),%xmm0
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x50(%rbp)
movsd  -0x8(%rbp),%xmm0
movsd  0xdbb(%rip),%xmm1
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  0xda3(%rip),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x48(%rbp)
movsd  -0x10(%rbp),%xmm0
movsd  0xd85(%rip),%xmm1
call   1040 <pow@plt>
movsd  -0x50(%rbp),%xmm1
movaps %xmm0,%xmm2
movsd  -0x48(%rbp),%xmm0
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
mulsd  %xmm2,%xmm0
addsd  %xmm1,%xmm0
movsd  %xmm0,-0x38(%rbp)
movsd  0xd37(%rip),%xmm0
mulsd  -0x8(%rbp),%xmm0
mulsd  -0x8(%rbp),%xmm0
movsd  %xmm0,-0x40(%rbp)
movsd  -0x10(%rbp),%xmm0
movsd  0xd23(%rip),%xmm1
call   1040 <pow@plt>
movsd  -0x40(%rbp),%xmm2
movsd  -0x38(%rbp),%xmm1
movaps %xmm0,%xmm3
movsd  -0x30(%rbp),%xmm0
mulsd  %xmm3,%xmm2
addsd  %xmm1,%xmm2
movsd  0xcf4(%rip),%xmm1
mulsd  -0x8(%rbp),%xmm1
mulsd  -0x10(%rbp),%xmm1
movsd  -0x10(%rbp),%xmm3
movq   %xmm1,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm1
mulsd  %xmm3,%xmm1
addsd  %xmm2,%xmm1
movsd  0xcb6(%rip),%xmm2
addsd  %xmm2,%xmm1
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x28(%rbp)
movsd  -0x8(%rbp),%xmm0
movq   %xmm0,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm0
mulsd  -0x10(%rbp),%xmm0
mulsd  -0x10(%rbp),%xmm0
movsd  0xc73(%rip),%xmm1
divsd  %xmm1,%xmm0
call   1030 <exp@plt>
movaps %xmm0,%xmm1
movsd  -0x28(%rbp),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x20(%rbp)
movsd  0xc41(%rip),%xmm0
movsd  0xc41(%rip),%xmm1
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  -0x20(%rbp),%xmm0
mulsd  %xmm1,%xmm0
movsd  0xc18(%rip),%xmm1
divsd  %xmm1,%xmm0
movsd  %xmm0,-0x18(%rbp)
movsd  -0x18(%rbp),%xmm0
add    $0x80,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<HO_13>:
sub    $0x38,%rsp
movsd  %xmm1,0x18(%rsp)
movsd  %xmm0,0x20(%rsp)
movsd  0xec8(%rip),%xmm1
call   1040 <pow@plt>
mulsd  0xec3(%rip),%xmm0
mulsd  0x18(%rsp),%xmm0
movsd  %xmm0,0x30(%rsp)
movsd  0xeb7(%rip),%xmm1
movsd  0x20(%rsp),%xmm0
call   1040 <pow@plt>
mulsd  0xeac(%rip),%xmm0
movsd  %xmm0,0x10(%rsp)
movsd  0xea6(%rip),%xmm1
movsd  0x18(%rsp),%xmm0
call   1040 <pow@plt>
movsd  %xmm0,0x8(%rsp)
movsd  0xe95(%rip),%xmm1
movsd  0x20(%rsp),%xmm0
call   1040 <pow@plt>
movsd  %xmm0,0x28(%rsp)
movsd  0xe84(%rip),%xmm1
movsd  0x18(%rsp),%xmm0
call   1040 <pow@plt>
movsd  0x28(%rsp),%xmm1
mulsd  0xe73(%rip),%xmm1
mulsd  %xmm1,%xmm0
movsd  0x8(%rsp),%xmm1
mulsd  0x10(%rsp),%xmm1
addsd  %xmm1,%xmm0
movsd  %xmm0,0x10(%rsp)
movsd  0xe59(%rip),%xmm1
movsd  0x20(%rsp),%xmm0
call   1040 <pow@plt>
mulsd  0xe4e(%rip),%xmm0
movsd  %xmm0,0x8(%rsp)
movsd  0xe48(%rip),%xmm1
movsd  0x18(%rsp),%xmm0
call   1040 <pow@plt>
mulsd  0x8(%rsp),%xmm0
addsd  0x10(%rsp),%xmm0
movsd  %xmm0,0x10(%rsp)
movsd  0xe2b(%rip),%xmm1
movsd  0x20(%rsp),%xmm0
call   1040 <pow@plt>
movsd  %xmm0,0x8(%rsp)
movsd  0x18(%rsp),%xmm0
movsd  0xdc4(%rip),%xmm1
call   1040 <pow@plt>
movsd  0x8(%rsp),%xmm1
mulsd  0xe01(%rip),%xmm1
mulsd  %xmm1,%xmm0
addsd  0x10(%rsp),%xmm0
movsd  %xmm0,0x10(%rsp)
movsd  0xdf1(%rip),%xmm1
movsd  0x20(%rsp),%xmm0
mulsd  %xmm0,%xmm1
movsd  %xmm1,0x8(%rsp)
mulsd  %xmm0,%xmm1
movsd  %xmm1,0x28(%rsp)
movsd  0x18(%rsp),%xmm0
movsd  0xda1(%rip),%xmm1
call   1040 <pow@plt>
mulsd  0x28(%rsp),%xmm0
addsd  0x10(%rsp),%xmm0
movsd  0x18(%rsp),%xmm1
movsd  0x8(%rsp),%xmm2
mulsd  %xmm1,%xmm2
mulsd  %xmm1,%xmm2
subsd  %xmm2,%xmm0
addsd  0xda0(%rip),%xmm0
mulsd  0x30(%rsp),%xmm0
movsd  %xmm0,0x30(%rsp)
movsd  0x20(%rsp),%xmm0
mulsd  %xmm1,%xmm0
mulsd  %xmm1,%xmm0
mulsd  0xd86(%rip),%xmm0
call   1030 <exp@plt>
mulsd  0x30(%rsp),%xmm0
mulsd  0xd7b(%rip),%xmm0
divsd  0xd7b(%rip),%xmm0
add    $0x38,%rsp
ret

LLVM IR (-O0):
define double @HO_13(double %0, double %1) {
%3 = alloca double
%4 = alloca double
%5 = alloca double
store double %0, double* %3
store double %1, double* %4
%6 = call double @sqrt(double 6.006000e+03)
%7 = load double, double* %3
%8 = call double @pow(double %7, double 7.500000e-01)
%9 = fmul double %6, %8
%10 = load double, double* %4
%11 = fmul double %9, %10
%12 = load double, double* %3
%13 = call double @pow(double %12, double 6.000000e+00)
%14 = fmul double 6.400000e+01, %13
%15 = load double, double* %4
%16 = call double @pow(double %15, double 1.200000e+01)
%17 = load double, double* %3
%18 = call double @pow(double %17, double 5.000000e+00)
%19 = fmul double 2.496000e+03, %18
%20 = load double, double* %4
%21 = call double @pow(double %20, double 1.000000e+01)
%22 = fmul double %19, %21
%23 = fneg double %22
%24 = call double @llvm.fmuladd.f64(double %14, double %16, double %23)
%25 = load double, double* %3
%26 = call double @pow(double %25, double 4.000000e+00)
%27 = fmul double 3.432000e+04, %26
%28 = load double, double* %4
%29 = call double @pow(double %28, double 8.000000e+00)
%30 = call double @llvm.fmuladd.f64(double %27, double %29, double %24)
%31 = load double, double* %3
%32 = call double @pow(double %31, double 3.000000e+00)
%33 = fmul double 2.059200e+05, %32
%34 = load double, double* %4
%35 = call double @pow(double %34, double 6.000000e+00)
%36 = fneg double %33
%37 = call double @llvm.fmuladd.f64(double %36, double %35, double %30)
%38 = load double, double* %3
%39 = fmul double 5.405400e+05, %38
%40 = load double, double* %3
%41 = fmul double %39, %40
%42 = load double, double* %4
%43 = call double @pow(double %42, double 4.000000e+00)
%44 = call double @llvm.fmuladd.f64(double %41, double %43, double %37)
%45 = load double, double* %3
%46 = fmul double 5.405400e+05, %45
%47 = load double, double* %4
%48 = fmul double %46, %47
%49 = load double, double* %4
%50 = fneg double %48
%51 = call double @llvm.fmuladd.f64(double %50, double %49, double %44)
%52 = fadd double %51, 1.351350e+05
%53 = fmul double %11, %52
%54 = load double, double* %3
%55 = fneg double %54
%56 = load double, double* %4
%57 = fmul double %55, %56
%58 = load double, double* %4
%59 = fmul double %57, %58
%60 = fdiv double %59, 2.000000e+00
%61 = call double @exp(double %60)
%62 = fmul double %53, %61
%63 = call double @pow(double 0x400921FB54524550, double -2.500000e-01)
%64 = fmul double %62, %63
%65 = fdiv double %64, 4.324320e+06
store double %65, double* %5
%66 = load double, double* %5
ret double %66
}

LLVM IR (-O2):
define double @HO_13(double %0, double %1) {
%3 = tail call double @pow(double %0, double 7.500000e-01)
%4 = fmul double %3, 0x40535FE592EC53A7
%5 = fmul double %4, %1
%6 = tail call double @pow(double %0, double 6.000000e+00)
%7 = fmul double %6, 6.400000e+01
%8 = tail call double @pow(double %1, double 1.200000e+01)
%9 = tail call double @pow(double %0, double 5.000000e+00)
%10 = tail call double @pow(double %1, double 1.000000e+01)
%11 = fmul double %9, -2.496000e+03
%12 = fmul double %11, %10
%13 = tail call double @llvm.fmuladd.f64(double %7, double %8, double %12)
%14 = tail call double @pow(double %0, double 4.000000e+00)
%15 = fmul double %14, 3.432000e+04
%16 = tail call double @pow(double %1, double 8.000000e+00)
%17 = tail call double @llvm.fmuladd.f64(double %15, double %16, double %13)
%18 = tail call double @pow(double %0, double 3.000000e+00)
%19 = tail call double @pow(double %1, double 6.000000e+00)
%20 = fmul double %18, -2.059200e+05
%21 = tail call double @llvm.fmuladd.f64(double %20, double %19, double %17)
%22 = fmul double %0, 5.405400e+05
%23 = fmul double %22, %0
%24 = tail call double @pow(double %1, double 4.000000e+00)
%25 = tail call double @llvm.fmuladd.f64(double %23, double %24, double %21)
%26 = fneg double %22
%27 = fmul double %26, %1
%28 = tail call double @llvm.fmuladd.f64(double %27, double %1, double %25)
%29 = fadd double %28, 1.351350e+05
%30 = fmul double %5, %29
%31 = fneg double %0
%32 = fmul double %31, %1
%33 = fmul double %32, %1
%34 = fmul double %33, 5.000000e-01
%35 = tail call double @exp(double %34)
%36 = fmul double %35, %30
%37 = fmul double %36, 0x3FE809387011FA5F
%38 = fdiv double %37, 4.324320e+06
ret double %38
}