#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 */
typedef int /*<<< orphan*/ FILE;

/* Variables and functions */
double ellpi(float, float, float);
int /*<<< orphan*/ fclose(int /*<<< orphan*/ *);
scalar_t__ feof(int /*<<< orphan*/ *);
int /*<<< orphan*/ fgets(char *, int, int /*<<< orphan*/ *);
int /*<<< orphan*/ *fopen(char *, char *);
int /*<<< orphan*/ fscanf(int /*<<< orphan*/ *, char *, ...);
int /*<<< orphan*/ nrerror(char *);
int /*<<< orphan*/ printf(char *, ...);
float sin(float);
scalar_t__ strncmp(char *, char *, int);
int main(void) {
  char txt[80];
  int i, nval;
  float ak, alpha, en, phi, val;
  FILE *fp;
  if ((fp = fopen("fncval.dat", "r")) == NULL)
    nrerror("Data file fncval.dat not found\n");
  fgets(txt, 80, fp);
  while (strncmp(txt, "Legendre Elliptic Integral Third Kind", 37)) {
    fgets(txt, 80, fp);
    if (feof(fp))
      nrerror("Data not found in fncval.dat\n");
  }
  fscanf(fp, "%d %*s", &nval);
  printf("\n%s\n", txt);
  printf("%6s %6s %6s %10s %23s\n", "phi", "-en", "sin(alpha)", "actual",
         "ellpi(phi,ak)");
  for (i = 1; i <= nval; i++) {
    fscanf(fp, "%f %f %f %f", &phi, &en, &alpha, &val);
    alpha = alpha * (3.1415926535 / 180.0);
    ak = sin(alpha);
    en = -en;
    phi = phi * (3.1415926535 / 180.0);
    printf("%6.2f %6.2f %6.2f %18.6e %18.6e\n", phi, en, ak, val,
           ellpi(phi, en, ak));
  }
  fclose(fp);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0xb0,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xe4f(%rip),%rdi
lea    0xe53(%rip),%rsi
call   10c0 <fopen@plt>
mov    %rax,-0x88(%rbp)
cmp    $0x0,%rax
jne    11e2 <main+0x42>
lea    0xe38(%rip),%rdi
call   1040 <nrerror@plt>
lea    -0x60(%rbp),%rdi
mov    -0x88(%rbp),%rdx
mov    $0x50,%esi
call   1080 <fgets@plt>
lea    -0x60(%rbp),%rdi
lea    0xe33(%rip),%rsi
mov    $0x25,%edx
call   1030 <strncmp@plt>
cmp    $0x0,%rax
je     1252 <main+0xb2>
lea    -0x60(%rbp),%rdi
mov    -0x88(%rbp),%rdx
mov    $0x50,%esi
call   1080 <fgets@plt>
mov    -0x88(%rbp),%rdi
call   1090 <feof@plt>
cmp    $0x0,%rax
je     124d <main+0xad>
lea    0xe13(%rip),%rdi
call   1040 <nrerror@plt>
jmp    11f7 <main+0x57>
mov    -0x88(%rbp),%rdi
lea    0xe19(%rip),%rsi
lea    -0x68(%rbp),%rdx
mov    $0x0,%al
call   1070 <fscanf@plt>
lea    -0x60(%rbp),%rsi
lea    0xe0a(%rip),%rdi
mov    $0x0,%al
call   1060 <printf@plt>
lea    0xe01(%rip),%rdi
lea    0xe11(%rip),%rsi
lea    0xe0e(%rip),%rdx
lea    0xe0b(%rip),%rcx
lea    0xe0f(%rip),%r8
lea    0xe0f(%rip),%r9
mov    $0x0,%al
call   1060 <printf@plt>
movl   $0x1,-0x64(%rbp)
mov    -0x64(%rbp),%eax
cmp    -0x68(%rbp),%eax
jg     13df <main+0x23f>
mov    -0x88(%rbp),%rdi
lea    0xdf5(%rip),%rsi
lea    -0x78(%rbp),%rdx
lea    -0x74(%rbp),%rcx
lea    -0x70(%rbp),%r8
lea    -0x7c(%rbp),%r9
mov    $0x0,%al
call   1070 <fscanf@plt>
movss  -0x70(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xd09(%rip),%xmm1
mulsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0x70(%rbp)
movss  -0x70(%rbp),%xmm0
call   10a0 <sin@plt>
movss  %xmm0,-0x6c(%rbp)
movss  -0x74(%rbp),%xmm0
movd   %xmm0,%eax
xor    $0x80000000,%eax
movd   %eax,%xmm0
movss  %xmm0,-0x74(%rbp)
movss  -0x78(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xcc5(%rip),%xmm1
mulsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,-0x78(%rbp)
movss  -0x78(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  %xmm0,-0x90(%rbp)
ff
movss  -0x74(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  %xmm0,-0xa8(%rbp)
ff
movss  -0x6c(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  %xmm0,-0xa0(%rbp)
ff
movss  -0x7c(%rbp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  %xmm0,-0x98(%rbp)
ff
movss  -0x78(%rbp),%xmm0
movss  -0x74(%rbp),%xmm1
movss  -0x6c(%rbp),%xmm2
call   10b0 <ellpi@plt>
movsd  -0xa8(%rbp),%xmm1
ff
movsd  -0xa0(%rbp),%xmm2
ff
movsd  -0x98(%rbp),%xmm3
ff
movaps %xmm0,%xmm4
movsd  -0x90(%rbp),%xmm0
ff
lea    0xd06(%rip),%rdi
mov    $0x5,%al
call   1060 <printf@plt>
mov    -0x64(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x64(%rbp)
jmp    12b5 <main+0x115>
mov    -0x88(%rbp),%rdi
call   1050 <fclose@plt>
xor    %eax,%eax
add    $0xb0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x98,%rsp
lea    0xe68(%rip),%rdi
lea    0xe6c(%rip),%rsi
call   10c0 <fopen@plt>
mov    %rax,%rbx
test   %rax,%rax
jne    11d8 <main+0x38>
lea    0xe5a(%rip),%rdi
call   1040 <nrerror@plt>
lea    0x40(%rsp),%rbp
mov    %rbp,%rdi
mov    $0x50,%esi
mov    %rbx,%rdx
call   1080 <fgets@plt>
lea    0xe59(%rip),%rsi
mov    %rbp,%rdi
mov    $0x25,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     125c <main+0xbc>
lea    0x40(%rsp),%rbp
lea    0xe3b(%rip),%r14
lea    0xe5a(%rip),%r15
jmp    1235 <main+0x95>
nopl   0x0(%rax,%rax,1)
mov    %rbp,%rdi
mov    %r14,%rsi
mov    $0x25,%edx
call   1030 <strncmp@plt>
test   %rax,%rax
je     125c <main+0xbc>
mov    %rbp,%rdi
mov    $0x50,%esi
mov    %rbx,%rdx
call   1080 <fgets@plt>
mov    %rbx,%rdi
call   1090 <feof@plt>
test   %rax,%rax
je     1220 <main+0x80>
mov    %r15,%rdi
call   1040 <nrerror@plt>
jmp    1220 <main+0x80>
lea    0xe2e(%rip),%rsi
lea    0x18(%rsp),%rdx
mov    %rbx,%rdi
xor    %eax,%eax
call   1070 <fscanf@plt>
lea    0xe1f(%rip),%rdi
lea    0x40(%rsp),%rsi
xor    %eax,%eax
call   1060 <printf@plt>
lea    0xe11(%rip),%rdi
lea    0xe21(%rip),%rsi
lea    0xe1e(%rip),%rdx
lea    0xe1b(%rip),%rcx
lea    0xe1f(%rip),%r8
lea    0xe1f(%rip),%r9
xor    %eax,%eax
call   1060 <printf@plt>
cmpl   $0x0,0x18(%rsp)
jle    13c6 <main+0x226>
lea    0x10(%rsp),%r12
lea    0x14(%rsp),%r13
lea    0x1c(%rsp),%rbp
lea    0xe11(%rip),%r14
xor    %r15d,%r15d
nopw   0x0(%rax,%rax,1)
mov    %rbx,%rdi
lea    0xdf2(%rip),%rsi
lea    0xc(%rsp),%rdx
mov    %r12,%rcx
mov    %r13,%r8
mov    %rbp,%r9
xor    %eax,%eax
call   1070 <fscanf@plt>
movss  0x14(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
movsd  0xcef(%rip),%xmm1
mulsd  %xmm1,%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,0x14(%rsp)
call   10a0 <sin@plt>
movaps %xmm0,%xmm2
movss  0x10(%rsp),%xmm1
xorps  0xcdc(%rip),%xmm1
movss  %xmm1,0x10(%rsp)
movss  0xc(%rsp),%xmm0
cvtss2sd %xmm0,%xmm0
mulsd  0xcb4(%rip),%xmm0
cvtsd2ss %xmm0,%xmm0
movss  %xmm0,0xc(%rsp)
xorps  %xmm3,%xmm3
cvtss2sd %xmm0,%xmm3
movsd  %xmm3,0x38(%rsp)
xorps  %xmm3,%xmm3
cvtss2sd %xmm1,%xmm3
movsd  %xmm3,0x30(%rsp)
xorps  %xmm3,%xmm3
cvtss2sd %xmm2,%xmm3
movsd  %xmm3,0x28(%rsp)
movss  0x1c(%rsp),%xmm3
cvtss2sd %xmm3,%xmm3
movsd  %xmm3,0x20(%rsp)
call   10b0 <ellpi@plt>
movaps %xmm0,%xmm4
mov    %r14,%rdi
movsd  0x38(%rsp),%xmm0
movsd  0x30(%rsp),%xmm1
movsd  0x28(%rsp),%xmm2
movsd  0x20(%rsp),%xmm3
mov    $0x5,%al
call   1060 <printf@plt>
add    $0x1,%r15d
cmp    0x18(%rsp),%r15d
jl     12e0 <main+0x140>
mov    %rbx,%rdi
call   1050 <fclose@plt>
xor    %eax,%eax
add    $0x98,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

LLVM IR (-O0):
@.str = [11 x i8] c"fncval.dat\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [32 x i8] c"Data file fncval.dat not found\0A\00"
@.str.3 = [38 x i8] c"Legendre Elliptic Integral Third Kind\00"
@.str.4 = [30 x i8] c"Data not found in fncval.dat\0A\00"
@.str.5 = [7 x i8] c"%d %*s\00"
@.str.6 = [5 x i8] c"\0A%s\0A\00"
@.str.7 = [23 x i8] c"%6s %6s %6s %10s %23s\0A\00"
@.str.8 = [4 x i8] c"phi\00"
@.str.9 = [4 x i8] c"-en\00"
@.str.10 = [11 x i8] c"sin(alpha)\00"
@.str.11 = [7 x i8] c"actual\00"
@.str.12 = [14 x i8] c"ellpi(phi,ak)\00"
@.str.13 = [12 x i8] c"%f %f %f %f\00"
@.str.14 = [33 x i8] c"%6.2f %6.2f %6.2f %18.6e %18.6e\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca [80 x i8]
%3 = alloca i32
%4 = alloca i32
%5 = alloca float
%6 = alloca float
%7 = alloca float
%8 = alloca float
%9 = alloca float
%10 = alloca i32*
store i32 0, i32* %1
%11 = call i32* @fopen(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
store i32* %11, i32** %10
%12 = icmp eq i32* %11, null
br i1 %12, label %13, label %15
13: ; preds = %0
%14 = call i32 @nrerror(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.2, i64 0, i64 0))
br label %15
15: ; preds = %13, %0
%16 = getelementptr inbounds [80 x i8], [80 x i8]* %2, i64 0, i64 0
%17 = load i32*, i32** %10
%18 = call i32 @fgets(i8* %16, i32 80, i32* %17)
br label %19
19: ; preds = %32, %15
%20 = getelementptr inbounds [80 x i8], [80 x i8]* %2, i64 0, i64 0
%21 = call i64 @strncmp(i8* %20, i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.3, i64 0, i64 0), i32 37)
%22 = icmp ne i64 %21, 0
br i1 %22, label %23, label %33
23: ; preds = %19
%24 = getelementptr inbounds [80 x i8], [80 x i8]* %2, i64 0, i64 0
%25 = load i32*, i32** %10
%26 = call i32 @fgets(i8* %24, i32 80, i32* %25)
%27 = load i32*, i32** %10
%28 = call i64 @feof(i32* %27)
%29 = icmp ne i64 %28, 0
br i1 %29, label %30, label %32
30: ; preds = %23
%31 = call i32 @nrerror(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.4, i64 0, i64 0))
br label %32
32: ; preds = %30, %23
br label %19
33: ; preds = %19
%34 = load i32*, i32** %10
%35 = call i32 (i32*, i8*, ...) @fscanf(i32* %34, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0), i32* %4)
%36 = getelementptr inbounds [80 x i8], [80 x i8]* %2, i64 0, i64 0
%37 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0), i8* %36)
%38 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.10, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.12, i64 0, i64 0))
store i32 1, i32* %3
br label %39
39: ; preds = %71, %33
%40 = load i32, i32* %3
%41 = load i32, i32* %4
%42 = icmp sle i32 %40, %41
br i1 %42, label %43, label %74
43: ; preds = %39
%44 = load i32*, i32** %10
%45 = call i32 (i32*, i8*, ...) @fscanf(i32* %44, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.13, i64 0, i64 0), float* %8, float* %7, float* %6, float* %9)
%46 = load float, float* %6
%47 = fpext float %46 to double
%48 = fmul double %47, 0x3F91DF46A2506B91
%49 = fptrunc double %48 to float
store float %49, float* %6
%50 = load float, float* %6
%51 = call float @sin(float %50)
store float %51, float* %5
%52 = load float, float* %7
%53 = fneg float %52
store float %53, float* %7
%54 = load float, float* %8
%55 = fpext float %54 to double
%56 = fmul double %55, 0x3F91DF46A2506B91
%57 = fptrunc double %56 to float
store float %57, float* %8
%58 = load float, float* %8
%59 = fpext float %58 to double
%60 = load float, float* %7
%61 = fpext float %60 to double
%62 = load float, float* %5
%63 = fpext float %62 to double
%64 = load float, float* %9
%65 = fpext float %64 to double
%66 = load float, float* %8
%67 = load float, float* %7
%68 = load float, float* %5
%69 = call double @ellpi(float %66, float %67, float %68)
%70 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.14, i64 0, i64 0), double %59, double %61, double %63, double %65, double %69)
br label %71
71: ; preds = %43
%72 = load i32, i32* %3
%73 = add nsw i32 %72, 1
store i32 %73, i32* %3
br label %39
74: ; preds = %39
%75 = load i32*, i32** %10
%76 = call i32 @fclose(i32* %75)
ret i32 0
}

LLVM IR (-O2):
@.str = [11 x i8] c"fncval.dat\00"
@.str.1 = [2 x i8] c"r\00"
@.str.2 = [32 x i8] c"Data file fncval.dat not found\0A\00"
@.str.3 = [38 x i8] c"Legendre Elliptic Integral Third Kind\00"
@.str.4 = [30 x i8] c"Data not found in fncval.dat\0A\00"
@.str.5 = [7 x i8] c"%d %*s\00"
@.str.6 = [5 x i8] c"\0A%s\0A\00"
@.str.7 = [23 x i8] c"%6s %6s %6s %10s %23s\0A\00"
@.str.8 = [4 x i8] c"phi\00"
@.str.9 = [4 x i8] c"-en\00"
@.str.10 = [11 x i8] c"sin(alpha)\00"
@.str.11 = [7 x i8] c"actual\00"
@.str.12 = [14 x i8] c"ellpi(phi,ak)\00"
@.str.13 = [12 x i8] c"%f %f %f %f\00"
@.str.14 = [33 x i8] c"%6.2f %6.2f %6.2f %18.6e %18.6e\0A\00"
define i32 @main() {
%1 = alloca [80 x i8]
%2 = alloca i32
%3 = alloca float
%4 = alloca float
%5 = alloca float
%6 = alloca float
%7 = getelementptr inbounds [80 x i8], [80 x i8]* %1, i64 0, i64 0
%8 = bitcast i32* %2 to i8*
%9 = bitcast float* %3 to i8*
%10 = bitcast float* %4 to i8*
%11 = bitcast float* %5 to i8*
%12 = bitcast float* %6 to i8*
%13 = tail call i32* @fopen(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%14 = icmp eq i32* %13, null
br i1 %14, label %15, label %17
15: ; preds = %0
%16 = tail call i32 @nrerror(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.2, i64 0, i64 0))
br label %17
17: ; preds = %15, %0
%18 = call i32 @fgets(i8* %7, i32 80, i32* %13)
%19 = call i64 @strncmp(i8* %7, i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.3, i64 0, i64 0), i32 37)
%20 = icmp eq i64 %19, 0
br i1 %20, label %30, label %21
21: ; preds = %17, %27
%22 = call i32 @fgets(i8* %7, i32 80, i32* %13)
%23 = call i64 @feof(i32* %13)
%24 = icmp eq i64 %23, 0
br i1 %24, label %27, label %25
25: ; preds = %21
%26 = call i32 @nrerror(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.4, i64 0, i64 0))
br label %27
27: ; preds = %25, %21
%28 = call i64 @strncmp(i8* %7, i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.3, i64 0, i64 0), i32 37)
%29 = icmp eq i64 %28, 0
br i1 %29, label %30, label %21
30: ; preds = %27, %17
%31 = call i32 (i32*, i8*, ...) @fscanf(i32* %13, i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.5, i64 0, i64 0), i32* %2)
%32 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0), i8* %7)
%33 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.10, i64 0, i64 0), i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.11, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.12, i64 0, i64 0))
%34 = load i32, i32* %2
%35 = icmp slt i32 %34, 1
br i1 %35, label %60, label %36
36: ; preds = %30, %36
%37 = phi i32 [ %57, %36 ], [ 1, %30 ]
%38 = call i32 (i32*, i8*, ...) @fscanf(i32* %13, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.13, i64 0, i64 0), float* %5, float* %4, float* %3, float* %6)
%39 = load float, float* %3
%40 = fpext float %39 to double
%41 = fmul double %40, 0x3F91DF46A2506B91
%42 = fptrunc double %41 to float
store float %42, float* %3
%43 = call float @sin(float %42)
%44 = load float, float* %4
%45 = fneg float %44
store float %45, float* %4
%46 = load float, float* %5
%47 = fpext float %46 to double
%48 = fmul double %47, 0x3F91DF46A2506B91
%49 = fptrunc double %48 to float
store float %49, float* %5
%50 = fpext float %49 to double
%51 = fpext float %45 to double
%52 = fpext float %43 to double
%53 = load float, float* %6
%54 = fpext float %53 to double
%55 = call double @ellpi(float %49, float %45, float %43)
%56 = call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @.str.14, i64 0, i64 0), double %50, double %51, double %52, double %54, double %55)
%57 = add nuw nsw i32 %37, 1
%58 = load i32, i32* %2
%59 = icmp slt i32 %37, %58
br i1 %59, label %36, label %60
60: ; preds = %36, %30
%61 = call i32 @fclose(i32* %13)
ret i32 0
}