program water_bottle
    implicit none
    integer(8):: a, b, x
    read*, a,b,x
    if (x*2 < a*a*b) then
        print*, 180d0/acos(-1d0)*atan((dble(a*b*b))/dble(2*x))
    else
        print*, 180d0/acos(-1d0)*atan(dble(2*(a*a*b-x))/dble(a*a*a))
    end if
end program water_bottle
; ModuleID = 'FIRModule'
source_filename = "FIRModule"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

@_QQcl.7eeba7cdea09dbce79004b29f799d40c = linkonce constant [73 x i8] c"/home/ubuntu/Downloads/TheStack_IR/Collated/Fortran/Source_3078/source.f\00"
@_QQEnvironmentDefaults = local_unnamed_addr constant ptr null

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare double @atan(double) local_unnamed_addr #0

define void @_QQmain() local_unnamed_addr {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = tail call ptr @_FortranAioBeginExternalListInput(i32 -1, ptr nonnull @_QQcl.7eeba7cdea09dbce79004b29f799d40c, i32 4)
  %5 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %1, i32 8)
  %6 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %2, i32 8)
  %7 = call i1 @_FortranAioInputInteger(ptr %4, ptr nonnull %3, i32 8)
  %8 = call i32 @_FortranAioEndIoStatement(ptr %4)
  %9 = load i64, ptr %3, align 8, !tbaa !3
  %10 = shl i64 %9, 1
  %11 = load i64, ptr %1, align 8, !tbaa !3
  %12 = mul i64 %11, %11
  %13 = load i64, ptr %2, align 8, !tbaa !3
  %14 = mul i64 %12, %13
  %15 = icmp slt i64 %10, %14
  br i1 %15, label %16, label %24

16:                                               ; preds = %0
  %17 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.7eeba7cdea09dbce79004b29f799d40c, i32 6)
  %18 = load i64, ptr %1, align 8, !tbaa !3
  %19 = load i64, ptr %2, align 8, !tbaa !3
  %20 = mul i64 %19, %18
  %21 = mul i64 %20, %19
  %22 = load i64, ptr %3, align 8, !tbaa !3
  %23 = shl i64 %22, 1
  br label %34

24:                                               ; preds = %0
  %25 = call ptr @_FortranAioBeginExternalListOutput(i32 -1, ptr nonnull @_QQcl.7eeba7cdea09dbce79004b29f799d40c, i32 8)
  %26 = load i64, ptr %1, align 8, !tbaa !3
  %27 = mul i64 %26, %26
  %28 = load i64, ptr %2, align 8, !tbaa !3
  %29 = mul i64 %27, %28
  %30 = load i64, ptr %3, align 8, !tbaa !3
  %31 = sub i64 %29, %30
  %32 = shl i64 %31, 1
  %33 = mul i64 %27, %26
  br label %34

34:                                               ; preds = %16, %24
  %.sink7 = phi i64 [ %23, %16 ], [ %33, %24 ]
  %.sink5.in = phi i64 [ %21, %16 ], [ %32, %24 ]
  %.sink1 = phi ptr [ %17, %16 ], [ %25, %24 ]
  %.sink5 = sitofp i64 %.sink5.in to double
  %35 = sitofp i64 %.sink7 to double
  %36 = fdiv contract double %.sink5, %35
  %37 = call double @atan(double %36)
  %38 = fmul contract double %37, 0x404CA5DC1A63C1F8
  %39 = call i1 @_FortranAioOutputReal64(ptr %.sink1, double %38)
  %40 = call i32 @_FortranAioEndIoStatement(ptr %.sink1)
  ret void
}

declare ptr @_FortranAioBeginExternalListInput(i32, ptr, i32) local_unnamed_addr

declare i1 @_FortranAioInputInteger(ptr, ptr, i32) local_unnamed_addr

declare i32 @_FortranAioEndIoStatement(ptr) local_unnamed_addr

declare ptr @_FortranAioBeginExternalListOutput(i32, ptr, i32) local_unnamed_addr

declare i1 @_FortranAioOutputReal64(ptr, double) local_unnamed_addr

attributes #0 = { mustprogress nofree nosync nounwind willreturn memory(none) }

!llvm.module.flags = !{!0, !1, !2}

!0 = !{i32 2, !"Debug Info Version", i32 3}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{!4, !4, i64 0}
!4 = !{!"any data access", !5, i64 0}
!5 = !{!"any access", !6, i64 0}
!6 = !{!"Flang Type TBAA Root"}
