#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 exp(double const);
double pow(double const, double);
double sqrt(double);
double HO_4(const double a, const double x) {
  double retval = sqrt(0.6e1) * pow(a, 0.1e1 / 0.4e1) *
                  (0.4e1 * a * a * pow(x, 0.4e1) - 0.12e2 * a * x * x + 0.3e1) *
                  exp(-a * x * x / 0.2e1) *
                  pow(0.3141592654e1, -0.1e1 / 0.4e1) / 0.12e2;
  return retval;
}


x86 assembly (clang, -O0):
<HO_4>:
push   %rbp
mov    %rsp,%rbp
sub    $0x40,%rsp
movsd  %xmm0,-0x8(%rbp)
movsd  %xmm1,-0x10(%rbp)
movsd  0xeee(%rip),%xmm0
call   1050 <sqrt@plt>
movsd  %xmm0,-0x40(%rbp)
movsd  -0x8(%rbp),%xmm0
movsd  0xecf(%rip),%xmm1
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  -0x40(%rbp),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x30(%rbp)
movsd  0xea9(%rip),%xmm0
mulsd  -0x8(%rbp),%xmm0
mulsd  -0x8(%rbp),%xmm0
movsd  %xmm0,-0x38(%rbp)
movsd  -0x10(%rbp),%xmm0
movsd  0xe8d(%rip),%xmm1
call   1040 <pow@plt>
movsd  -0x38(%rbp),%xmm1
movaps %xmm0,%xmm3
movsd  -0x30(%rbp),%xmm0
movsd  0xe4b(%rip),%xmm2
mulsd  -0x8(%rbp),%xmm2
mulsd  -0x10(%rbp),%xmm2
mulsd  -0x10(%rbp),%xmm2
movq   %xmm2,%rax
movabs $0x8000000000000000,%rcx
xor    %rcx,%rax
movq   %rax,%xmm2
mulsd  %xmm3,%xmm1
addsd  %xmm2,%xmm1
movsd  0xe35(%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  0xdf2(%rip),%xmm1
divsd  %xmm1,%xmm0
call   1030 <exp@plt>
movaps %xmm0,%xmm1
movsd  -0x28(%rbp),%xmm0
mulsd  %xmm1,%xmm0
movsd  %xmm0,-0x20(%rbp)
movsd  0xdc0(%rip),%xmm0
movsd  0xdc0(%rip),%xmm1
call   1040 <pow@plt>
movaps %xmm0,%xmm1
movsd  -0x20(%rbp),%xmm0
mulsd  %xmm1,%xmm0
movsd  0xd97(%rip),%xmm1
divsd  %xmm1,%xmm0
movsd  %xmm0,-0x18(%rbp)
movsd  -0x18(%rbp),%xmm0
add    $0x40,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<HO_4>:
sub    $0x28,%rsp
movsd  %xmm1,0x18(%rsp)
movsd  %xmm0,0x10(%rsp)
movsd  0xec8(%rip),%xmm1
call   1040 <pow@plt>
mulsd  0xec3(%rip),%xmm0
movsd  %xmm0,0x8(%rsp)
movsd  0xebd(%rip),%xmm1
movsd  0x10(%rsp),%xmm0
movapd %xmm0,%xmm2
mulsd  %xmm1,%xmm2
mulsd  %xmm0,%xmm2
movsd  %xmm2,0x20(%rsp)
movsd  0x18(%rsp),%xmm0
call   1040 <pow@plt>
movsd  0xe9a(%rip),%xmm2
movsd  0x10(%rsp),%xmm3
mulsd  %xmm3,%xmm2
movsd  0x18(%rsp),%xmm1
mulsd  %xmm1,%xmm2
mulsd  %xmm1,%xmm2
mulsd  0x20(%rsp),%xmm0
addsd  %xmm2,%xmm0
addsd  0xe78(%rip),%xmm0
mulsd  0x8(%rsp),%xmm0
movsd  %xmm0,0x8(%rsp)
movapd %xmm3,%xmm0
mulsd  %xmm1,%xmm0
mulsd  %xmm1,%xmm0
mulsd  0xe60(%rip),%xmm0
call   1030 <exp@plt>
mulsd  0x8(%rsp),%xmm0
mulsd  0xe55(%rip),%xmm0
divsd  0xe55(%rip),%xmm0
add    $0x28,%rsp
ret

LLVM IR (-O0):
define double @HO_4(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 6.000000e+00)
%7 = load double, double* %3
%8 = call double @pow(double %7, double 2.500000e-01)
%9 = fmul double %6, %8
%10 = load double, double* %3
%11 = fmul double 4.000000e+00, %10
%12 = load double, double* %3
%13 = fmul double %11, %12
%14 = load double, double* %4
%15 = call double @pow(double %14, double 4.000000e+00)
%16 = load double, double* %3
%17 = fmul double 1.200000e+01, %16
%18 = load double, double* %4
%19 = fmul double %17, %18
%20 = load double, double* %4
%21 = fmul double %19, %20
%22 = fneg double %21
%23 = call double @llvm.fmuladd.f64(double %13, double %15, double %22)
%24 = fadd double %23, 3.000000e+00
%25 = fmul double %9, %24
%26 = load double, double* %3
%27 = fneg double %26
%28 = load double, double* %4
%29 = fmul double %27, %28
%30 = load double, double* %4
%31 = fmul double %29, %30
%32 = fdiv double %31, 2.000000e+00
%33 = call double @exp(double %32)
%34 = fmul double %25, %33
%35 = call double @pow(double 0x400921FB54524550, double -2.500000e-01)
%36 = fmul double %34, %35
%37 = fdiv double %36, 1.200000e+01
store double %37, double* %5
%38 = load double, double* %5
ret double %38
}

LLVM IR (-O2):
define double @HO_4(double %0, double %1) {
%3 = tail call double @pow(double %0, double 2.500000e-01)
%4 = fmul double %3, 0x4003988E1409212E
%5 = fmul double %0, 4.000000e+00
%6 = fmul double %5, %0
%7 = tail call double @pow(double %1, double 4.000000e+00)
%8 = fmul double %0, -1.200000e+01
%9 = fmul double %8, %1
%10 = fmul double %9, %1
%11 = tail call double @llvm.fmuladd.f64(double %6, double %7, double %10)
%12 = fadd double %11, 3.000000e+00
%13 = fmul double %4, %12
%14 = fneg double %0
%15 = fmul double %14, %1
%16 = fmul double %15, %1
%17 = fmul double %16, 5.000000e-01
%18 = tail call double @exp(double %17)
%19 = fmul double %18, %13
%20 = fmul double %19, 0x3FE809387011FA5F
%21 = fdiv double %20, 1.200000e+01
ret double %21
}