	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.section	__TEXT,__literal16,16byte_literals
	.p2align	4                               ## -- Begin function encode_superframe
LCPI0_0:
	.quad	0x3fe0000000000000              ## double 0.5
	.quad	0x3fe0000000000000              ## double 0.5
	.section	__TEXT,__literal8,8byte_literals
	.p2align	3
LCPI0_1:
	.quad	0x3fe0000000000000              ## double 0.5
	.section	__TEXT,__text,regular,pure_instructions
	.p2align	4, 0x90
_encode_superframe:                     ## @encode_superframe
	.cfi_startproc
## %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	pushq	%r15
	pushq	%r14
	pushq	%r13
	pushq	%r12
	pushq	%rbx
	subq	$24, %rsp
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	movq	%rcx, %r15
	movq	%rdx, %r12
	movq	%rsi, %r13
	movq	%rdi, %rbx
	movq	8(%rdi), %r14
	movl	4(%r14), %ecx
	movl	%ecx, (%r14)
	movl	$1, %eax
                                        ## kill: def $cl killed $cl killed $ecx
	shll	%cl, %eax
	movl	%eax, 8(%r14)
	movq	%rdx, %rsi
	callq	_apply_window_and_mdct
	testl	%eax, %eax
	js	LBB0_27
## %bb.1:
	cmpq	$0, 32(%r14)
	je	LBB0_16
## %bb.2:
	movl	8(%r14), %r9d
	testl	%r9d, %r9d
	jle	LBB0_16
## %bb.3:
	movq	16(%r14), %rax
	movq	(%rax), %rcx
	movq	8(%rax), %rdx
	cmpl	$1, %r9d
	je	LBB0_4
## %bb.5:
	leaq	(%rdx,%r9,8), %rax
	cmpq	%rax, %rcx
	jae	LBB0_8
## %bb.6:
	leaq	(%rcx,%r9,8), %rax
	cmpq	%rax, %rdx
	jae	LBB0_8
LBB0_4:
	xorl	%esi, %esi
LBB0_14:
	movsd	LCPI0_1(%rip), %xmm0            ## xmm0 = mem[0],zero
	.p2align	4, 0x90
LBB0_15:                                ## =>This Inner Loop Header: Depth=1
	movsd	(%rcx,%rsi,8), %xmm1            ## xmm1 = mem[0],zero
	mulsd	%xmm0, %xmm1
	cvtsd2ss	%xmm1, %xmm1
	movsd	(%rdx,%rsi,8), %xmm2            ## xmm2 = mem[0],zero
	mulsd	%xmm0, %xmm2
	cvtsd2ss	%xmm2, %xmm2
	movaps	%xmm1, %xmm3
	addss	%xmm2, %xmm3
	cvtss2sd	%xmm3, %xmm3
	movsd	%xmm3, (%rcx,%rsi,8)
	subss	%xmm2, %xmm1
	cvtss2sd	%xmm1, %xmm1
	movsd	%xmm1, (%rdx,%rsi,8)
	incq	%rsi
	cmpq	%rsi, %r9
	jne	LBB0_15
LBB0_16:
	movq	_MAX_CODED_SUPERFRAME_SIZE@GOTPCREL(%rip), %rax
	movl	(%rax), %edx
	addl	%edx, %edx
	movq	%rbx, %rdi
	movq	%r13, %rsi
	xorl	%ecx, %ecx
	callq	_ff_alloc_packet2
	testl	%eax, %eax
	js	LBB0_27
## %bb.17:
	movq	%r15, -56(%rbp)                 ## 8-byte Spill
	movq	%rbx, -48(%rbp)                 ## 8-byte Spill
	movq	16(%r14), %rsi
	movl	(%r13), %ecx
	movl	16(%r13), %edx
	movq	%r14, %rdi
	movl	$64, %r8d
	callq	_encode_frame
	xorl	%r15d, %r15d
	testl	%eax, %eax
	setg	%r15b
	shll	$6, %r15d
	leal	64(%r15), %ebx
	movq	16(%r14), %rsi
	movl	(%r13), %ecx
	movl	16(%r13), %edx
	orl	$32, %r15d
	movq	%r14, %rdi
	movl	%r15d, %r8d
	callq	_encode_frame
	testl	%eax, %eax
	cmovgl	%ebx, %r15d
	movq	16(%r14), %rsi
	movl	(%r13), %ecx
	movl	16(%r13), %edx
	movq	%r12, %rbx
	leal	-16(%r15), %r12d
	movq	%r14, %rdi
	movl	%r12d, %r8d
	callq	_encode_frame
	testl	%eax, %eax
	cmovlel	%r12d, %r15d
	movq	16(%r14), %rsi
	movl	(%r13), %ecx
	movl	16(%r13), %edx
	leal	-8(%r15), %r12d
	movq	%r14, %rdi
	movl	%r12d, %r8d
	callq	_encode_frame
	testl	%eax, %eax
	cmovlel	%r12d, %r15d
	movq	16(%r14), %rsi
	movl	(%r13), %ecx
	movl	16(%r13), %edx
	leal	-4(%r15), %r12d
	movq	%r14, %rdi
	movl	%r12d, %r8d
	callq	_encode_frame
	testl	%eax, %eax
	cmovlel	%r12d, %r15d
	movq	16(%r14), %rsi
	movl	(%r13), %ecx
	movl	16(%r13), %edx
	leal	-2(%r15), %r12d
	movq	%r14, %rdi
	movl	%r12d, %r8d
	callq	_encode_frame
	testl	%eax, %eax
	cmovlel	%r12d, %r15d
	movq	%rbx, %r12
	movq	16(%r14), %rsi
	movl	(%r13), %ecx
	movl	16(%r13), %edx
	leal	-1(%r15), %r8d
	movq	%r14, %rdi
	callq	_encode_frame
	testl	%eax, %eax
	jle	LBB0_22
	.p2align	4, 0x90
LBB0_18:                                ## =>This Inner Loop Header: Depth=1
	movq	16(%r14), %rsi
	movl	(%r13), %ecx
	movl	16(%r13), %edx
	movq	%r14, %rdi
	movl	%r15d, %r8d
	callq	_encode_frame
	cmpl	$127, %r15d
	jg	LBB0_20
## %bb.19:                              ##   in Loop: Header=BB0_18 Depth=1
	incl	%r15d
	testl	%eax, %eax
	jg	LBB0_18
LBB0_20:
	testl	%eax, %eax
	jle	LBB0_22
## %bb.21:
	movq	_AV_LOG_ERROR@GOTPCREL(%rip), %rax
	movl	(%rax), %esi
	leaq	L_.str(%rip), %rdx
	movq	-48(%rbp), %rdi                 ## 8-byte Reload
	callq	_av_log
	movl	$0, (%r13)
	movq	_EINVAL@GOTPCREL(%rip), %rax
	movl	(%rax), %edi
	addq	$24, %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	jmp	_AVERROR                        ## TAILCALL
LBB0_22:
	addq	$24, %r14
	movq	%r14, %rdi
	callq	_put_bits_count
	xorl	%edi, %edi
	testb	$7, %al
	sete	%dil
	callq	_av_assert0
	movq	-48(%rbp), %r15                 ## 8-byte Reload
	movl	(%r15), %ebx
	movq	%r14, %rdi
	callq	_put_bits_count
                                        ## kill: def $eax killed $eax def $rax
	leal	7(%rax), %ecx
	addl	$14, %eax
	testl	%ecx, %ecx
	cmovnsl	%ecx, %eax
	sarl	$3, %eax
	subl	%eax, %ebx
	movl	%ebx, %edi
	notl	%edi
	shrl	$31, %edi
	callq	_av_assert0
	testl	%ebx, %ebx
	je	LBB0_24
	.p2align	4, 0x90
LBB0_23:                                ## =>This Inner Loop Header: Depth=1
	movq	%r14, %rdi
	movl	$8, %esi
	movl	$78, %edx
	callq	_put_bits
	decl	%ebx
	jne	LBB0_23
LBB0_24:
	movq	%r14, %rdi
	callq	_flush_put_bits
	movq	%r14, %rdi
	callq	_put_bits_ptr
	subl	(%r14), %eax
	xorl	%edi, %edi
	cmpl	(%r15), %eax
	sete	%dil
	callq	_av_assert0
	movq	(%r12), %rbx
	movq	_AV_NOPTS_VALUE@GOTPCREL(%rip), %rax
	cmpq	(%rax), %rbx
	je	LBB0_26
## %bb.25:
	movl	4(%r15), %esi
	movq	%r15, %rdi
	callq	_ff_samples_to_time_base
	subq	%rax, %rbx
	movq	%rbx, 8(%r13)
LBB0_26:
	movl	(%r15), %eax
	movl	%eax, (%r13)
	movq	-56(%rbp), %rax                 ## 8-byte Reload
	movl	$1, (%rax)
	xorl	%eax, %eax
LBB0_27:
	addq	$24, %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	retq
LBB0_8:
	movl	%r9d, %esi
	andl	$-2, %esi
	leaq	-2(%rsi), %rax
	movq	%rax, %r8
	shrq	%r8
	incq	%r8
	testq	%rax, %rax
	je	LBB0_28
## %bb.9:
	movq	%r8, %rax
	andq	$-2, %rax
	xorl	%edi, %edi
	movapd	LCPI0_0(%rip), %xmm0            ## xmm0 = [5.0E-1,5.0E-1]
	.p2align	4, 0x90
LBB0_10:                                ## =>This Inner Loop Header: Depth=1
	movupd	(%rcx,%rdi,8), %xmm1
	mulpd	%xmm0, %xmm1
	cvtpd2ps	%xmm1, %xmm1
	movupd	(%rdx,%rdi,8), %xmm2
	mulpd	%xmm0, %xmm2
	cvtpd2ps	%xmm2, %xmm2
	movapd	%xmm1, %xmm3
	addps	%xmm2, %xmm3
	cvtps2pd	%xmm3, %xmm3
	movups	%xmm3, (%rcx,%rdi,8)
	subps	%xmm2, %xmm1
	cvtps2pd	%xmm1, %xmm1
	movups	%xmm1, (%rdx,%rdi,8)
	movupd	16(%rcx,%rdi,8), %xmm1
	mulpd	%xmm0, %xmm1
	cvtpd2ps	%xmm1, %xmm1
	movupd	16(%rdx,%rdi,8), %xmm2
	mulpd	%xmm0, %xmm2
	cvtpd2ps	%xmm2, %xmm2
	movapd	%xmm1, %xmm3
	addps	%xmm2, %xmm3
	cvtps2pd	%xmm3, %xmm3
	subps	%xmm2, %xmm1
	cvtps2pd	%xmm1, %xmm1
	movups	%xmm3, 16(%rcx,%rdi,8)
	movups	%xmm1, 16(%rdx,%rdi,8)
	addq	$4, %rdi
	addq	$-2, %rax
	jne	LBB0_10
## %bb.11:
	testb	$1, %r8b
	je	LBB0_13
LBB0_12:
	movupd	(%rcx,%rdi,8), %xmm0
	movapd	LCPI0_0(%rip), %xmm1            ## xmm1 = [5.0E-1,5.0E-1]
	mulpd	%xmm1, %xmm0
	cvtpd2ps	%xmm0, %xmm0
	movupd	(%rdx,%rdi,8), %xmm2
	mulpd	%xmm1, %xmm2
	cvtpd2ps	%xmm2, %xmm1
	movapd	%xmm0, %xmm2
	addps	%xmm1, %xmm2
	cvtps2pd	%xmm2, %xmm2
	movups	%xmm2, (%rcx,%rdi,8)
	subps	%xmm1, %xmm0
	cvtps2pd	%xmm0, %xmm0
	movupd	%xmm0, (%rdx,%rdi,8)
LBB0_13:
	cmpq	%r9, %rsi
	je	LBB0_16
	jmp	LBB0_14
LBB0_28:
	xorl	%edi, %edi
	testb	$1, %r8b
	jne	LBB0_12
	jmp	LBB0_13
	.cfi_endproc
                                        ## -- End function
	.comm	_MAX_CODED_SUPERFRAME_SIZE,4,2  ## @MAX_CODED_SUPERFRAME_SIZE
	.comm	_AV_LOG_ERROR,4,2               ## @AV_LOG_ERROR
	.section	__TEXT,__cstring,cstring_literals
L_.str:                                 ## @.str
	.asciz	"Invalid input data or requested bitrate too low, cannot encode\n"

	.comm	_EINVAL,4,2                     ## @EINVAL
	.comm	_AV_NOPTS_VALUE,8,3             ## @AV_NOPTS_VALUE
	.no_dead_strip	_encode_superframe
.subsections_via_symbols

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 13, 3
	.p2align	2                               ; -- Begin function encode_superframe
_encode_superframe:                     ; @encode_superframe
	.cfi_startproc
; %bb.0:
	stp	x26, x25, [sp, #-80]!           ; 16-byte Folded Spill
	.cfi_def_cfa_offset 80
	stp	x24, x23, [sp, #16]             ; 16-byte Folded Spill
	stp	x22, x21, [sp, #32]             ; 16-byte Folded Spill
	stp	x20, x19, [sp, #48]             ; 16-byte Folded Spill
	stp	x29, x30, [sp, #64]             ; 16-byte Folded Spill
	add	x29, sp, #64
	.cfi_def_cfa w29, 16
	.cfi_offset w30, -8
	.cfi_offset w29, -16
	.cfi_offset w19, -24
	.cfi_offset w20, -32
	.cfi_offset w21, -40
	.cfi_offset w22, -48
	.cfi_offset w23, -56
	.cfi_offset w24, -64
	.cfi_offset w25, -72
	.cfi_offset w26, -80
	mov	x20, x3
	mov	x22, x2
	mov	x19, x1
	mov	x21, x0
	ldr	x23, [x0, #8]
	ldr	w8, [x23, #4]
	str	w8, [x23]
	mov	w9, #1
	lsl	w8, w9, w8
	str	w8, [x23, #8]
	mov	x1, x2
	bl	_apply_window_and_mdct
	tbnz	w0, #31, LBB0_22
; %bb.1:
	ldr	x8, [x23, #32]
	cbz	x8, LBB0_11
; %bb.2:
	ldr	w8, [x23, #8]
	cmp	w8, #1
	b.lt	LBB0_11
; %bb.3:
	ldr	x10, [x23, #16]
	ldp	x9, x10, [x10]
	cmp	w8, #4
	b.lo	LBB0_8
; %bb.4:
	lsl	x11, x8, #3
	add	x12, x9, x11
	add	x11, x10, x11
	cmp	x9, x11
	ccmp	x10, x12, #2, lo
	b.lo	LBB0_8
; %bb.5:
	and	x11, x8, #0xfffffffc
	add	x12, x9, #16
	add	x13, x10, #16
	fmov.2d	v0, #0.50000000
	mov	x14, x11
LBB0_6:                                 ; =>This Inner Loop Header: Depth=1
	ldp	q1, q2, [x12, #-16]
	fmul.2d	v1, v1, v0
	fmul.2d	v2, v2, v0
	fcvtn	v1.2s, v1.2d
	fcvtn	v2.2s, v2.2d
	ldp	q3, q4, [x13, #-16]
	fmul.2d	v3, v3, v0
	fmul.2d	v4, v4, v0
	fcvtn	v3.2s, v3.2d
	fcvtn	v4.2s, v4.2d
	fadd.2s	v5, v1, v3
	fadd.2s	v6, v2, v4
	fcvtl	v5.2d, v5.2s
	fcvtl	v6.2d, v6.2s
	stp	q5, q6, [x12, #-16]
	fsub.2s	v1, v1, v3
	fsub.2s	v2, v2, v4
	fcvtl	v1.2d, v1.2s
	fcvtl	v2.2d, v2.2s
	stp	q1, q2, [x13, #-16]
	add	x12, x12, #32
	add	x13, x13, #32
	subs	x14, x14, #4
	b.ne	LBB0_6
; %bb.7:
	cmp	x11, x8
	b.ne	LBB0_9
	b	LBB0_11
LBB0_8:
	mov	x11, #0
LBB0_9:
	lsl	x12, x11, #3
	add	x10, x10, x12
	add	x9, x9, x12
	sub	x8, x8, x11
	fmov	d0, #0.50000000
LBB0_10:                                ; =>This Inner Loop Header: Depth=1
	ldr	d1, [x9]
	fmul	d1, d1, d0
	fcvt	s1, d1
	ldr	d2, [x10]
	fmul	d2, d2, d0
	fcvt	s2, d2
	fadd	s3, s1, s2
	fcvt	d3, s3
	str	d3, [x9], #8
	fsub	s1, s1, s2
	fcvt	d1, s1
	str	d1, [x10], #8
	subs	x8, x8, #1
	b.ne	LBB0_10
LBB0_11:
Lloh0:
	adrp	x8, _MAX_CODED_SUPERFRAME_SIZE@GOTPAGE
Lloh1:
	ldr	x8, [x8, _MAX_CODED_SUPERFRAME_SIZE@GOTPAGEOFF]
Lloh2:
	ldr	w8, [x8]
	lsl	w2, w8, #1
	mov	x0, x21
	mov	x1, x19
	mov	w3, #0
	bl	_ff_alloc_packet2
	tbnz	w0, #31, LBB0_22
; %bb.12:
	ldr	x1, [x23, #16]
	ldr	w2, [x19, #16]
	ldr	w3, [x19]
	mov	w24, #64
	mov	x0, x23
	mov	w4, #64
	bl	_encode_frame
	mov	w8, #128
	cmp	w0, #1
	csel	w25, w24, w8, lt
	ldr	x1, [x23, #16]
	ldr	w2, [x19, #16]
	ldr	w3, [x19]
	sub	w24, w25, #32
	mov	x0, x23
	mov	x4, x24
	bl	_encode_frame
	cmp	w0, #1
	csel	w25, w24, w25, lt
	ldr	x1, [x23, #16]
	ldr	w2, [x19, #16]
	ldr	w3, [x19]
	sub	w24, w25, #16
	mov	x0, x23
	mov	x4, x24
	bl	_encode_frame
	cmp	w0, #1
	csel	w25, w24, w25, lt
	ldr	x1, [x23, #16]
	ldr	w2, [x19, #16]
	ldr	w3, [x19]
	sub	w24, w25, #8
	mov	x0, x23
	mov	x4, x24
	bl	_encode_frame
	cmp	w0, #1
	csel	w25, w24, w25, lt
	ldr	x1, [x23, #16]
	ldr	w2, [x19, #16]
	ldr	w3, [x19]
	sub	w24, w25, #4
	mov	x0, x23
	mov	x4, x24
	bl	_encode_frame
	cmp	w0, #1
	csel	w25, w24, w25, lt
	ldr	x1, [x23, #16]
	ldr	w2, [x19, #16]
	ldr	w3, [x19]
	sub	w24, w25, #2
	mov	x0, x23
	mov	x4, x24
	bl	_encode_frame
	cmp	w0, #1
	csel	w24, w24, w25, lt
	ldr	x1, [x23, #16]
	ldr	w2, [x19, #16]
	ldr	w3, [x19]
	sub	w4, w24, #1
	mov	x0, x23
	bl	_encode_frame
	cmp	w0, #1
	b.lt	LBB0_17
LBB0_13:                                ; =>This Inner Loop Header: Depth=1
	ldr	x1, [x23, #16]
	ldr	w2, [x19, #16]
	ldr	w3, [x19]
	mov	x0, x23
	mov	x4, x24
	bl	_encode_frame
	cmp	w24, #127
	b.gt	LBB0_15
; %bb.14:                               ;   in Loop: Header=BB0_13 Depth=1
	add	w24, w24, #1
	cmp	w0, #0
	b.gt	LBB0_13
LBB0_15:
	cmp	w0, #1
	b.lt	LBB0_17
; %bb.16:
Lloh3:
	adrp	x8, _AV_LOG_ERROR@GOTPAGE
Lloh4:
	ldr	x8, [x8, _AV_LOG_ERROR@GOTPAGEOFF]
Lloh5:
	ldr	w1, [x8]
Lloh6:
	adrp	x2, l_.str@PAGE
Lloh7:
	add	x2, x2, l_.str@PAGEOFF
	mov	x0, x21
	bl	_av_log
	str	wzr, [x19]
Lloh8:
	adrp	x8, _EINVAL@GOTPAGE
Lloh9:
	ldr	x8, [x8, _EINVAL@GOTPAGEOFF]
Lloh10:
	ldr	w0, [x8]
	ldp	x29, x30, [sp, #64]             ; 16-byte Folded Reload
	ldp	x20, x19, [sp, #48]             ; 16-byte Folded Reload
	ldp	x22, x21, [sp, #32]             ; 16-byte Folded Reload
	ldp	x24, x23, [sp, #16]             ; 16-byte Folded Reload
	ldp	x26, x25, [sp], #80             ; 16-byte Folded Reload
	b	_AVERROR
LBB0_17:
	add	x23, x23, #24
	mov	x0, x23
	bl	_put_bits_count
	tst	w0, #0x7
	cset	w0, eq
	bl	_av_assert0
	ldr	w24, [x21]
	mov	x0, x23
	bl	_put_bits_count
	add	w8, w0, #7
	add	w9, w0, #14
	cmp	w8, #0
	csel	w8, w9, w8, lt
	sub	w24, w24, w8, asr #3
	mvn	w8, w24
	lsr	w0, w8, #31
	bl	_av_assert0
	cbz	w24, LBB0_19
LBB0_18:                                ; =>This Inner Loop Header: Depth=1
	sub	w24, w24, #1
	mov	x0, x23
	mov	w1, #8
	mov	w2, #78
	bl	_put_bits
	cbnz	w24, LBB0_18
LBB0_19:
	mov	x0, x23
	bl	_flush_put_bits
	mov	x0, x23
	bl	_put_bits_ptr
	ldr	w8, [x23]
	ldr	w9, [x21]
	sub	w8, w0, w8
	cmp	w8, w9
	cset	w0, eq
	bl	_av_assert0
	ldr	x22, [x22]
Lloh11:
	adrp	x8, _AV_NOPTS_VALUE@GOTPAGE
Lloh12:
	ldr	x8, [x8, _AV_NOPTS_VALUE@GOTPAGEOFF]
Lloh13:
	ldr	x8, [x8]
	cmp	x22, x8
	b.eq	LBB0_21
; %bb.20:
	ldr	w1, [x21, #4]
	mov	x0, x21
	bl	_ff_samples_to_time_base
	sub	x8, x22, x0
	str	x8, [x19, #8]
LBB0_21:
	mov	w0, #0
	ldr	w8, [x21]
	str	w8, [x19]
	mov	w8, #1
	str	w8, [x20]
LBB0_22:
	ldp	x29, x30, [sp, #64]             ; 16-byte Folded Reload
	ldp	x20, x19, [sp, #48]             ; 16-byte Folded Reload
	ldp	x22, x21, [sp, #32]             ; 16-byte Folded Reload
	ldp	x24, x23, [sp, #16]             ; 16-byte Folded Reload
	ldp	x26, x25, [sp], #80             ; 16-byte Folded Reload
	ret
	.loh AdrpLdrGotLdr	Lloh0, Lloh1, Lloh2
	.loh AdrpLdrGotLdr	Lloh8, Lloh9, Lloh10
	.loh AdrpAdd	Lloh6, Lloh7
	.loh AdrpLdrGotLdr	Lloh3, Lloh4, Lloh5
	.loh AdrpLdrGotLdr	Lloh11, Lloh12, Lloh13
	.cfi_endproc
                                        ; -- End function
	.comm	_MAX_CODED_SUPERFRAME_SIZE,4,2  ; @MAX_CODED_SUPERFRAME_SIZE
	.comm	_AV_LOG_ERROR,4,2               ; @AV_LOG_ERROR
	.section	__TEXT,__cstring,cstring_literals
l_.str:                                 ; @.str
	.asciz	"Invalid input data or requested bitrate too low, cannot encode\n"

	.comm	_EINVAL,4,2                     ; @EINVAL
	.comm	_AV_NOPTS_VALUE,8,3             ; @AV_NOPTS_VALUE
	.no_dead_strip	_encode_superframe
.subsections_via_symbols
