// File: /workspace/github_c_makefile_star2_O3/georgeweigt[P]eigenmath/eigenmath.c
// Function: tanfunc
void
tanfunc(void)
{
	int i, n;
	double d;
	struct atom *p1, *p2;

	p1 = pop();

	if (istensor(p1)) {
		p1 = copy_tensor(p1);
		n = p1->u.tensor->nelem;
		for (i = 0; i < n; i++) {
			push(p1->u.tensor->elem[i]);
			tanfunc();
			p1->u.tensor->elem[i] = pop();
		}
		push(p1);
		return;
	}

	if (isdouble(p1)) {
		push(p1);
		d = pop_double();
		d = tan(d);
		push_double(d);
		return;
	}

	if (isdoublez(p1)) {
		push(p1);
		sinfunc();
		push(p1);
		cosfunc();
		divide();
		return;
	}

	// tan(-x) = -tan(x)

	if (isnegativeterm(p1)) {
		push(p1);
		negate();
		tanfunc();
		negate();
		return;
	}

	if (car(p1) == symbol(ADD)) {
		tanfunc_sum(p1);
		return;
	}

	if (car(p1) == symbol(ARCTAN)) {
		push(cadr(p1));
		push(caddr(p1));
		divide();
		return;
	}

	// n pi ?

	push(p1);
	push_symbol(PI);
	divide();
	p2 = pop();

	if (!isnum(p2)) {
		push_symbol(TAN);
		push(p1);
		list(2);
		return;
	}

	if (isdouble(p2)) {
		push(p2);
		d = pop_double();
		d = tan(d * M_PI);
		push_double(d);
		return;
	}

	push(p2); // nonnegative by tan(-x) = -tan(x) above
	push_integer(180);
	multiply();
	p2 = pop();

	if (!isinteger(p2)) {
		push_symbol(TAN);
		push(p1);
		list(2);
		return;
	}

	push(p2);
	push_integer(360);
	modfunc();
	n = pop_integer();

	switch (n) {
	case 0:
	case 180:
		push_integer(0);
		break;
	case 30:
	case 210:
		push_rational(1, 3);
		push_integer(3);
		push_rational(1, 2);
		power();
		multiply();
		break;
	case 150:
	case 330:
		push_rational(-1, 3);
		push_integer(3);
		push_rational(1, 2);
		power();
		multiply();
		break;
	case 45:
	case 225:
		push_integer(1);
		break;
	case 135:
	case 315:
		push_integer(-1);
		break;
	case 60:
	case 240:
		push_integer(3);
		push_rational(1, 2);
		power();
		break;
	case 120:
	case 300:
		push_integer(3);
		push_rational(1, 2);
		power();
		negate();
		break;
	default:
		push_symbol(TAN);
		push(p1);
		list(2);
		break;
	}
}

// Assembly:
pushq %rbp
movq %rsp, %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
pushq %rax
movl 0x1ce16(%rip), %eax     # 0x3f2b8
movl $0xfffe795f, %ecx       # imm = 0xFFFE795F
leal (%rax,%rcx), %edx
cmpl %ecx, %edx
jbe 0x228cc
decl %eax
movl %eax, 0x1cdfe(%rip)     # 0x3f2b8
leaq 0x260ff(%rip), %r14     # 0x485c0
movq (%r14,%rax,8), %rbx
movzbl 0x10(%rbx), %r15d
cmpl $0x5, %r15d
je 0x22540
cmpl $0x7, %r15d
jne 0x2257f
movq %rbx, %rdi
callq 0x9638
movq %rax, %rbx
movq (%rax), %rax
movslq 0x64(%rax), %r15
testq %r15, %r15
jle 0x2253b
xorl %r12d, %r12d
movl $0xfffe795f, %r13d      # imm = 0xFFFE795F
movq (%rbx), %rax
movq 0x68(%rax,%r12,8), %rdi
callq 0x8ba5
callq 0x2248e
movl 0x1cda6(%rip), %eax     # 0x3f2b8
leal (%rax,%r13), %ecx
cmpl %r13d, %ecx
jbe 0x228cc
decl %eax
movl %eax, 0x1cd91(%rip)     # 0x3f2b8
movq (%r14,%rax,8), %rax
movq (%rbx), %rcx
movq %rax, 0x68(%rcx,%r12,8)
incq %r12
cmpq %r12, %r15
jne 0x224fa
movq %rbx, %rdi
jmp 0x2256c
movq %rbx, %rdi
callq 0x8ba5
callq 0x9128
callq 0x7290
movsd %xmm0, -0x30(%rbp)
callq 0x74dc
movb $0x5, 0x10(%rax)
movsd -0x30(%rbp), %xmm0
movsd %xmm0, (%rax)
movq %rax, %rdi
addq $0x8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0x8ba5
movq %rbx, %rdi
callq 0xca1c
movq %rbx, %rdi
testl %eax, %eax
je 0x225b8
callq 0x8ba5
callq 0x10ab4
movq %rbx, %rdi
callq 0x8ba5
callq 0x10115
addq $0x8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0xe218
callq 0xac49
testl %eax, %eax
je 0x22608
movq %rbx, %rdi
callq 0x8ba5
movq 0xf3e20(%rip), %rdi     # 0x1163f0
callq 0x8ba5
movl $0x2, %edi
callq 0xacef
callq 0x2248e
movq 0xf3e05(%rip), %rdi     # 0x1163f0
callq 0x8ba5
movl $0x2, %edi
addq $0x8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0xacef
cmpb $0x1, %r15b
leaq 0x233ed(%rip), %r14     # 0x45a00
movq %r14, %rax
cmoveq %rbx, %rax
movq (%rax), %rax
cmpq 0x25c7c(%rip), %rax     # 0x482a0
je 0x22680
cmpq 0x20b6b(%rip), %rax     # 0x43198
je 0x22696
movq %rbx, %rdi
callq 0x8ba5
movq 0x23a12(%rip), %rdi     # 0x46050
callq 0x8ba5
callq 0xe218
callq 0x8c47
movb 0x10(%rax), %r14b
movl %r14d, %ecx
andb $-0x2, %cl
cmpb $0x4, %cl
jne 0x22815
movq %rax, %rdi
callq 0x8ba5
cmpb $0x5, %r14b
jne 0x226ed
callq 0x9128
mulsd 0x7ac5(%rip), %xmm0     # 0x2a140
jmp 0x2254d
movq %rbx, %rdi
addq $0x8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0x228d8
leaq 0x8(%rbx), %r12
cmpb $0x1, %r15b
movq %r14, %rax
cmoveq %r12, %rax
movq (%rax), %rax
cmpb $0x1, 0x10(%rax)
cmovneq %r14, %rax
movq (%rax), %rdi
callq 0x8ba5
cmpb $0x1, 0x10(%rbx)
cmovneq %r14, %r12
movq (%r12), %rax
cmpb $0x1, 0x10(%rax)
jne 0x226d0
movq 0x8(%rax), %rax
jmp 0x226d7
movq 0x23329(%rip), %rax     # 0x45a00
cmpb $0x1, 0x10(%rax)
jne 0x226e0
movq %rax, %r14
movq (%r14), %rdi
callq 0x8ba5
jmp 0x225a5
movl $0xb4, %edi
callq 0xb1be
movl $0x2, %edi
callq 0xacef
callq 0x8c47
cmpb $0x4, 0x10(%rax)
jne 0x22815
movq 0x8(%rax), %rcx
cmpl $0x1, -0x4(%rcx)
jne 0x22815
cmpl $0x1, (%rcx)
jne 0x22815
movq %rax, %rdi
callq 0x8ba5
movl $0x168, %edi            # imm = 0x168
callq 0xb1be
callq 0x108ee
callq 0xf8e6
cmpl $0xb3, %eax
jg 0x2276d
cmpl $0x3b, %eax
jle 0x227c6
cmpl $0x86, %eax
jg 0x22807
cmpl $0x3c, %eax
je 0x22856
cmpl $0x78, %eax
je 0x22795
jmp 0x22815
cmpl $0xef, %eax
jle 0x227de
cmpl $0x13a, %eax            # imm = 0x13A
jg 0x22841
cmpl $0xf0, %eax
je 0x22856
cmpl $0x12c, %eax            # imm = 0x12C
jne 0x22815
movl $0x3, %edi
callq 0xb1be
movl $0x1, %edi
movl $0x2, %esi
callq 0xa533
callq 0xa573
addq $0x8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0xa1a2
testl %eax, %eax
je 0x2288e
cmpl $0x1e, %eax
je 0x2289a
cmpl $0x2d, %eax
je 0x227fb
jmp 0x22815
cmpl $0xb4, %eax
je 0x2288e
cmpl $0xd2, %eax
je 0x2289a
cmpl $0xe1, %eax
jne 0x22815
movq 0xe92d6(%rip), %rdi     # 0x10bad8
jmp 0x2256c
cmpl $0x87, %eax
je 0x22882
cmpl $0x96, %eax
je 0x2284f
movq 0x244b4(%rip), %rdi     # 0x46cd0
callq 0x8ba5
movq %rbx, %rdi
callq 0x8ba5
movl $0x2, %edi
addq $0x8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0x8b7d
cmpl $0x13b, %eax            # imm = 0x13B
je 0x22882
cmpl $0x14a, %eax            # imm = 0x14A
jne 0x22815
movl $0xffffffff, %edi       # imm = 0xFFFFFFFF
jmp 0x2289f
movl $0x3, %edi
callq 0xb1be
movl $0x1, %edi
movl $0x2, %esi
callq 0xa533
addq $0x8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0xa573
movq 0xf3b67(%rip), %rdi     # 0x1163f0
jmp 0x2256c
movq 0x208ab(%rip), %rdi     # 0x43140
jmp 0x2256c
movl $0x1, %edi
movl $0x3, %esi
callq 0xa533
movl $0x3, %edi
callq 0xb1be
movl $0x1, %edi
movl $0x2, %esi
callq 0xa533
callq 0xa573
jmp 0x225f0
leaq 0xc66e(%rip), %rdi      # 0x2ef41
callq 0x780b