#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 */
scalar_t__ is_internal(int, int);
double y_top(double);
double lambda_D(int i, int j) {
  if (is_internal(i, j + 1))
    return 1.0;
  return y_top((-1.0) + i * ((2.0) / (128))) - ((-1.0) + j * ((2.0) / (128)));
}


x86 assembly (clang, -O0):
<lambda_D>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %edi,-0xc(%rbp)
mov    %esi,-0x10(%rbp)
mov    -0xc(%rbp),%edi
mov    -0x10(%rbp),%esi
add    $0x1,%esi
call   1040 <is_internal@plt>
cmp    $0x0,%rax
je     1158 <lambda_D+0x38>
movsd  0xec2(%rip),%xmm0
movsd  %xmm0,-0x8(%rbp)
jmp    11a0 <lambda_D+0x80>
cvtsi2sdl -0xc(%rbp),%xmm0
movsd  0xe9b(%rip),%xmm1
mulsd  %xmm1,%xmm0
movsd  0xe97(%rip),%xmm1
addsd  %xmm1,%xmm0
call   1030 <y_top@plt>
cvtsi2sdl -0x10(%rbp),%xmm1
movsd  0xe79(%rip),%xmm2
mulsd  %xmm2,%xmm1
movsd  0xe75(%rip),%xmm2
addsd  %xmm2,%xmm1
subsd  %xmm1,%xmm0
movsd  %xmm0,-0x8(%rbp)
movsd  -0x8(%rbp),%xmm0
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<lambda_D>:
push   %rbp
push   %rbx
push   %rax
mov    %esi,%ebx
mov    %edi,%ebp
lea    0x1(%rbx),%esi
call   1040 <is_internal@plt>
test   %rax,%rax
je     113e <lambda_D+0x1e>
movsd  0xec4(%rip),%xmm0
jmp    116f <lambda_D+0x4f>
cvtsi2sd %ebp,%xmm0
mulsd  0xebe(%rip),%xmm0
addsd  0xebe(%rip),%xmm0
call   1030 <y_top@plt>
cvtsi2sd %ebx,%xmm1
mulsd  0xea5(%rip),%xmm1
addsd  0xea5(%rip),%xmm1
subsd  %xmm1,%xmm0
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
define double @lambda_D(i32 %0, i32 %1) {
%3 = alloca double
%4 = alloca i32
%5 = alloca i32
store i32 %0, i32* %4
store i32 %1, i32* %5
%6 = load i32, i32* %4
%7 = load i32, i32* %5
%8 = add nsw i32 %7, 1
%9 = call i64 @is_internal(i32 %6, i32 %8)
%10 = icmp ne i64 %9, 0
br i1 %10, label %11, label %12
11: ; preds = %2
store double 1.000000e+00, double* %3
br label %21
12: ; preds = %2
%13 = load i32, i32* %4
%14 = sitofp i32 %13 to double
%15 = call double @llvm.fmuladd.f64(double %14, double 1.562500e-02, double -1.000000e+00)
%16 = call double @y_top(double %15)
%17 = load i32, i32* %5
%18 = sitofp i32 %17 to double
%19 = call double @llvm.fmuladd.f64(double %18, double 1.562500e-02, double -1.000000e+00)
%20 = fsub double %16, %19
store double %20, double* %3
br label %21
21: ; preds = %12, %11
%22 = load double, double* %3
ret double %22
}

LLVM IR (-O2):
define double @lambda_D(i32 %0, i32 %1) {
%3 = add nsw i32 %1, 1
%4 = tail call i64 @is_internal(i32 %0, i32 %3)
%5 = icmp eq i64 %4, 0
br i1 %5, label %6, label %13
6: ; preds = %2
%7 = sitofp i32 %0 to double
%8 = tail call double @llvm.fmuladd.f64(double %7, double 1.562500e-02, double -1.000000e+00)
%9 = tail call double @y_top(double %8)
%10 = sitofp i32 %1 to double
%11 = tail call double @llvm.fmuladd.f64(double %10, double 1.562500e-02, double -1.000000e+00)
%12 = fsub double %9, %11
br label %13
13: ; preds = %2, %6
%14 = phi double [ %12, %6 ], [ 1.000000e+00, %2 ]
ret double %14
}