	.file	"678613.c"
	.intel_syntax noprefix
	.text
	.type	bit_reverse_permutation, @function
bit_reverse_permutation:
.LFB0:
	.cfi_startproc
	endbr64
	push	rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	mov	rbp, rsp
	.cfi_def_cfa_register 6
	mov	QWORD PTR -40[rbp], rdi
	mov	DWORD PTR -44[rbp], esi
	mov	DWORD PTR -48[rbp], edx
	mov	DWORD PTR -20[rbp], 0
	mov	DWORD PTR -16[rbp], 0
	jmp	.L2
.L6:
	mov	eax, DWORD PTR -16[rbp]
	cmp	eax, DWORD PTR -20[rbp]
	jle	.L3
	mov	eax, DWORD PTR -20[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	movss	xmm0, DWORD PTR [rax]
	movss	DWORD PTR -8[rbp], xmm0
	movss	xmm0, DWORD PTR 4[rax]
	movss	DWORD PTR -4[rbp], xmm0
	mov	eax, DWORD PTR -16[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rdx, rax
	mov	eax, DWORD PTR -20[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rcx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rcx
	movss	xmm1, DWORD PTR [rdx]
	movss	xmm0, DWORD PTR 4[rdx]
	movss	DWORD PTR [rax], xmm1
	movss	DWORD PTR 4[rax], xmm0
	mov	eax, DWORD PTR -16[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	movss	xmm0, DWORD PTR -8[rbp]
	movss	DWORD PTR [rax], xmm0
	movss	xmm0, DWORD PTR -4[rbp]
	movss	DWORD PTR 4[rax], xmm0
.L3:
	mov	eax, DWORD PTR -44[rbp]
	mov	DWORD PTR -12[rbp], eax
	jmp	.L4
.L5:
	mov	eax, DWORD PTR -12[rbp]
	not	eax
	and	DWORD PTR -16[rbp], eax
.L4:
	sar	DWORD PTR -12[rbp]
	mov	eax, DWORD PTR -12[rbp]
	and	eax, DWORD PTR -16[rbp]
	test	eax, eax
	jne	.L5
	mov	eax, DWORD PTR -12[rbp]
	or	DWORD PTR -16[rbp], eax
	add	DWORD PTR -20[rbp], 1
.L2:
	mov	eax, DWORD PTR -20[rbp]
	cmp	eax, DWORD PTR -44[rbp]
	jl	.L6
	nop
	nop
	pop	rbp
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE0:
	.size	bit_reverse_permutation, .-bit_reverse_permutation
	.type	compute_butterfly_for_group, @function
compute_butterfly_for_group:
.LFB1:
	.cfi_startproc
	endbr64
	push	rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	mov	rbp, rsp
	.cfi_def_cfa_register 6
	push	rbx
	sub	rsp, 72
	.cfi_offset 3, -24
	mov	QWORD PTR -40[rbp], rdi
	mov	DWORD PTR -44[rbp], esi
	mov	DWORD PTR -48[rbp], edx
	mov	DWORD PTR -52[rbp], ecx
	mov	DWORD PTR -56[rbp], r8d
	movq	rax, xmm0
	mov	QWORD PTR -64[rbp], rax
	movss	xmm1, DWORD PTR -64[rbp]
	movss	xmm0, DWORD PTR -60[rbp]
	movss	DWORD PTR -72[rbp], xmm1
	movss	DWORD PTR -68[rbp], xmm0
	movss	xmm0, DWORD PTR -72[rbp]
	movss	DWORD PTR -24[rbp], xmm0
	movss	xmm0, DWORD PTR -68[rbp]
	movss	DWORD PTR -20[rbp], xmm0
	mov	eax, DWORD PTR -56[rbp]
	mov	DWORD PTR -28[rbp], eax
	jmp	.L8
.L9:
	mov	edx, DWORD PTR -28[rbp]
	mov	eax, DWORD PTR -52[rbp]
	add	eax, edx
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	mov	edx, DWORD PTR [rax]
	movss	xmm4, DWORD PTR 4[rax]
	movss	xmm0, DWORD PTR -24[rbp]
	movss	xmm1, DWORD PTR .LC0[rip]
	movaps	xmm2, xmm0
	xorps	xmm2, xmm1
	movss	xmm0, DWORD PTR -20[rbp]
	movss	xmm1, DWORD PTR .LC0[rip]
	xorps	xmm0, xmm1
	mov	ecx, DWORD PTR -28[rbp]
	mov	eax, DWORD PTR -52[rbp]
	add	eax, ecx
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rcx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	lea	rbx, [rcx+rax]
	movaps	xmm3, xmm0
	movaps	xmm1, xmm4
	movd	xmm0, edx
	call	__mulsc3@PLT
	movq	rax, xmm0
	mov	QWORD PTR -80[rbp], rax
	movss	xmm1, DWORD PTR -80[rbp]
	movss	xmm0, DWORD PTR -76[rbp]
	movss	DWORD PTR [rbx], xmm1
	movss	DWORD PTR 4[rbx], xmm0
	mov	edx, DWORD PTR -28[rbp]
	mov	eax, DWORD PTR -52[rbp]
	add	eax, edx
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	movss	xmm3, DWORD PTR [rax]
	movss	xmm2, DWORD PTR 4[rax]
	mov	eax, DWORD PTR -28[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	movss	xmm1, DWORD PTR [rax]
	movss	xmm0, DWORD PTR 4[rax]
	mov	edx, DWORD PTR -28[rbp]
	mov	eax, DWORD PTR -52[rbp]
	add	eax, edx
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	addss	xmm1, xmm3
	addss	xmm0, xmm2
	movss	DWORD PTR [rax], xmm1
	movss	DWORD PTR 4[rax], xmm0
	mov	eax, DWORD PTR -28[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	movss	xmm3, DWORD PTR [rax]
	movss	xmm2, DWORD PTR 4[rax]
	mov	eax, DWORD PTR -28[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	movss	xmm1, DWORD PTR [rax]
	movss	xmm0, DWORD PTR 4[rax]
	mov	eax, DWORD PTR -28[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	addss	xmm1, xmm3
	addss	xmm0, xmm2
	movss	DWORD PTR [rax], xmm1
	movss	DWORD PTR 4[rax], xmm0
	mov	eax, DWORD PTR -28[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	movss	xmm1, DWORD PTR [rax]
	movss	xmm0, DWORD PTR 4[rax]
	mov	edx, DWORD PTR -28[rbp]
	mov	eax, DWORD PTR -52[rbp]
	add	eax, edx
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	movss	xmm3, DWORD PTR [rax]
	movss	xmm2, DWORD PTR 4[rax]
	mov	eax, DWORD PTR -28[rbp]
	imul	eax, DWORD PTR -48[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -40[rbp]
	add	rax, rdx
	subss	xmm1, xmm3
	subss	xmm0, xmm2
	movss	DWORD PTR [rax], xmm1
	movss	DWORD PTR 4[rax], xmm0
	mov	eax, DWORD PTR -52[rbp]
	add	eax, eax
	add	DWORD PTR -28[rbp], eax
.L8:
	mov	eax, DWORD PTR -28[rbp]
	cmp	eax, DWORD PTR -44[rbp]
	jl	.L9
	nop
	nop
	mov	rbx, QWORD PTR -8[rbp]
	leave
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE1:
	.size	compute_butterfly_for_group, .-compute_butterfly_for_group
	.section	.rodata
.LC3:
	.string	"the_stack_data/678613.c"
	.align 8
.LC4:
	.string	"data && len >= 0 && IS_POWER_OF_TWO(len) && stride >= 0"
	.align 4
.LC5:
	.long	1065353216
	.long	0
	.text
	.globl	fast_fourier_transform
	.type	fast_fourier_transform, @function
fast_fourier_transform:
.LFB2:
	.cfi_startproc
	endbr64
	push	rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	mov	rbp, rsp
	.cfi_def_cfa_register 6
	sub	rsp, 80
	mov	QWORD PTR -56[rbp], rdi
	mov	DWORD PTR -60[rbp], esi
	mov	DWORD PTR -64[rbp], edx
	mov	eax, ecx
	mov	BYTE PTR -68[rbp], al
	cmp	QWORD PTR -56[rbp], 0
	je	.L11
	cmp	DWORD PTR -60[rbp], 0
	js	.L11
	mov	eax, DWORD PTR -60[rbp]
	sub	eax, 1
	and	eax, DWORD PTR -60[rbp]
	test	eax, eax
	jne	.L11
	cmp	DWORD PTR -64[rbp], 0
	jns	.L22
.L11:
	lea	rcx, __PRETTY_FUNCTION__.0[rip]
	mov	edx, 33
	lea	rsi, .LC3[rip]
	lea	rdi, .LC4[rip]
	call	__assert_fail@PLT
.L22:
	mov	edx, DWORD PTR -64[rbp]
	mov	ecx, DWORD PTR -60[rbp]
	mov	rax, QWORD PTR -56[rbp]
	mov	esi, ecx
	mov	rdi, rax
	call	bit_reverse_permutation
	mov	rcx, QWORD PTR .LC5[rip]
	mov	edx, DWORD PTR -64[rbp]
	mov	esi, DWORD PTR -60[rbp]
	mov	rax, QWORD PTR -56[rbp]
	movq	xmm0, rcx
	mov	r8d, 0
	mov	ecx, 1
	mov	rdi, rax
	call	compute_butterfly_for_group
	cmp	BYTE PTR -68[rbp], 0
	je	.L13
	pxor	xmm1, xmm1
	movss	xmm0, DWORD PTR .LC2[rip]
	jmp	.L14
.L13:
	movss	xmm1, DWORD PTR .LC6[rip]
	movss	xmm0, DWORD PTR .LC7[rip]
.L14:
	movss	DWORD PTR -32[rbp], xmm1
	movss	DWORD PTR -28[rbp], xmm0
	movss	xmm0, DWORD PTR -28[rbp]
	movss	xmm1, DWORD PTR -32[rbp]
	movss	DWORD PTR -16[rbp], xmm1
	movss	DWORD PTR -12[rbp], xmm0
	mov	DWORD PTR -44[rbp], 2
	jmp	.L15
.L18:
	movss	xmm0, DWORD PTR .LC2[rip]
	movss	DWORD PTR -8[rbp], xmm0
	pxor	xmm0, xmm0
	movss	DWORD PTR -4[rbp], xmm0
	mov	DWORD PTR -40[rbp], 0
	pxor	xmm0, xmm0
	movss	DWORD PTR -20[rbp], xmm0
	movss	xmm0, DWORD PTR .LC2[rip]
	movss	DWORD PTR -24[rbp], xmm0
	jmp	.L16
.L17:
	mov	r8, QWORD PTR -8[rbp]
	mov	edi, DWORD PTR -40[rbp]
	mov	ecx, DWORD PTR -44[rbp]
	mov	edx, DWORD PTR -64[rbp]
	mov	esi, DWORD PTR -60[rbp]
	mov	rax, QWORD PTR -56[rbp]
	movq	xmm0, r8
	mov	r8d, edi
	mov	rdi, rax
	call	compute_butterfly_for_group
	add	DWORD PTR -40[rbp], 1
	movss	xmm2, DWORD PTR -28[rbp]
	movss	xmm1, DWORD PTR -32[rbp]
	movss	xmm0, DWORD PTR -20[rbp]
	mov	eax, DWORD PTR -24[rbp]
	movaps	xmm3, xmm2
	movaps	xmm2, xmm1
	movaps	xmm1, xmm0
	movd	xmm0, eax
	call	__mulsc3@PLT
	movq	rax, xmm0
	mov	QWORD PTR -8[rbp], rax
	movss	xmm0, DWORD PTR -8[rbp]
	movss	DWORD PTR -24[rbp], xmm0
	movss	xmm0, DWORD PTR -4[rbp]
	movss	DWORD PTR -20[rbp], xmm0
.L16:
	mov	eax, DWORD PTR -40[rbp]
	cmp	eax, DWORD PTR -44[rbp]
	jl	.L17
	sal	DWORD PTR -44[rbp]
	mov	rax, QWORD PTR -16[rbp]
	movq	xmm0, rax
	call	csqrtf@PLT
	movq	rax, xmm0
	mov	QWORD PTR -16[rbp], rax
	movss	xmm0, DWORD PTR -16[rbp]
	movss	DWORD PTR -32[rbp], xmm0
	movss	xmm0, DWORD PTR -12[rbp]
	movss	DWORD PTR -28[rbp], xmm0
.L15:
	mov	eax, DWORD PTR -44[rbp]
	cmp	eax, DWORD PTR -60[rbp]
	jl	.L18
	cmp	BYTE PTR -68[rbp], 0
	je	.L23
	mov	DWORD PTR -36[rbp], 0
	jmp	.L20
.L21:
	mov	eax, DWORD PTR -36[rbp]
	imul	eax, DWORD PTR -64[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -56[rbp]
	add	rax, rdx
	movss	xmm2, DWORD PTR [rax]
	movss	xmm1, DWORD PTR 4[rax]
	pxor	xmm0, xmm0
	cvtsi2ss	xmm0, DWORD PTR -60[rbp]
	divss	xmm2, xmm0
	divss	xmm1, xmm0
	mov	eax, DWORD PTR -36[rbp]
	imul	eax, DWORD PTR -64[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -56[rbp]
	add	rax, rdx
	movss	DWORD PTR [rax], xmm2
	movss	DWORD PTR 4[rax], xmm1
	add	DWORD PTR -36[rbp], 1
.L20:
	mov	eax, DWORD PTR -36[rbp]
	cmp	eax, DWORD PTR -60[rbp]
	jl	.L21
.L23:
	nop
	leave
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE2:
	.size	fast_fourier_transform, .-fast_fourier_transform
	.globl	fft_2d
	.type	fft_2d, @function
fft_2d:
.LFB3:
	.cfi_startproc
	endbr64
	push	rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	mov	rbp, rsp
	.cfi_def_cfa_register 6
	sub	rsp, 48
	mov	QWORD PTR -24[rbp], rdi
	mov	DWORD PTR -28[rbp], esi
	mov	DWORD PTR -32[rbp], edx
	mov	eax, ecx
	mov	BYTE PTR -36[rbp], al
	mov	DWORD PTR -8[rbp], 0
	jmp	.L25
.L26:
	movzx	ecx, BYTE PTR -36[rbp]
	mov	eax, DWORD PTR -8[rbp]
	cdqe
	lea	rdx, 0[0+rax*8]
	mov	rax, QWORD PTR -24[rbp]
	lea	rdi, [rdx+rax]
	mov	edx, DWORD PTR -28[rbp]
	mov	eax, DWORD PTR -32[rbp]
	mov	esi, eax
	call	fast_fourier_transform
	add	DWORD PTR -8[rbp], 1
.L25:
	mov	eax, DWORD PTR -8[rbp]
	cmp	eax, DWORD PTR -28[rbp]
	jl	.L26
	mov	DWORD PTR -4[rbp], 0
	jmp	.L27
.L28:
	movzx	edx, BYTE PTR -36[rbp]
	mov	esi, DWORD PTR -28[rbp]
	mov	rax, QWORD PTR -24[rbp]
	mov	ecx, edx
	mov	edx, 1
	mov	rdi, rax
	call	fast_fourier_transform
	add	DWORD PTR -4[rbp], 1
	mov	eax, DWORD PTR -28[rbp]
	cdqe
	sal	rax, 3
	add	QWORD PTR -24[rbp], rax
.L27:
	mov	eax, DWORD PTR -4[rbp]
	cmp	eax, DWORD PTR -32[rbp]
	jl	.L28
	nop
	nop
	leave
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE3:
	.size	fft_2d, .-fft_2d
	.section	.rodata
	.align 16
	.type	__PRETTY_FUNCTION__.0, @object
	.size	__PRETTY_FUNCTION__.0, 23
__PRETTY_FUNCTION__.0:
	.string	"fast_fourier_transform"
	.align 16
.LC0:
	.long	-2147483648
	.long	0
	.long	0
	.long	0
	.align 4
.LC2:
	.long	1065353216
	.align 4
.LC6:
	.long	-2147483648
	.align 4
.LC7:
	.long	-1082130432
	.ident	"GCC: (Ubuntu 10.5.0-1ubuntu1~20.04) 10.5.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	 1f - 0f
	.long	 4f - 1f
	.long	 5
0:
	.string	 "GNU"
1:
	.align 8
	.long	 0xc0000002
	.long	 3f - 2f
2:
	.long	 0x3
3:
	.align 8
4:

	.arch armv5t
	.eabi_attribute 20, 1
	.eabi_attribute 21, 1
	.eabi_attribute 23, 3
	.eabi_attribute 24, 1
	.eabi_attribute 25, 1
	.eabi_attribute 26, 2
	.eabi_attribute 30, 6
	.eabi_attribute 34, 0
	.eabi_attribute 18, 4
	.file	"678613.c"
	.text
	.align	2
	.syntax unified
	.arm
	.fpu softvfp
	.type	bit_reverse_permutation, %function
bit_reverse_permutation:
	@ args = 0, pretend = 0, frame = 40
	@ frame_needed = 1, uses_anonymous_args = 0
	@ link register save eliminated.
	str	fp, [sp, #-4]!
	add	fp, sp, #0
	sub	sp, sp, #44
	str	r0, [fp, #-32]
	str	r1, [fp, #-36]
	str	r2, [fp, #-40]
	mov	r3, #0
	str	r3, [fp, #-24]
	mov	r3, #0
	str	r3, [fp, #-20]
	b	.L2
.L6:
	ldr	r2, [fp, #-20]
	ldr	r3, [fp, #-24]
	cmp	r2, r3
	ble	.L3
	ldr	r3, [fp, #-24]
	ldr	r2, [fp, #-40]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-32]
	add	r3, r2, r3
	ldr	r2, [r3]	@ float
	str	r2, [fp, #-12]	@ float
	ldr	r3, [r3, #4]	@ float
	str	r3, [fp, #-8]	@ float
	ldr	r3, [fp, #-20]
	ldr	r2, [fp, #-40]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-32]
	add	r2, r2, r3
	ldr	r3, [fp, #-24]
	ldr	r1, [fp, #-40]
	mul	r3, r1, r3
	lsl	r3, r3, #3
	ldr	r1, [fp, #-32]
	add	r3, r1, r3
	ldr	r1, [r2]	@ float
	ldr	r2, [r2, #4]	@ float
	str	r1, [r3]	@ float
	str	r2, [r3, #4]	@ float
	ldr	r3, [fp, #-20]
	ldr	r2, [fp, #-40]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-32]
	add	r3, r2, r3
	ldr	r2, [fp, #-12]	@ float
	str	r2, [r3]	@ float
	ldr	r2, [fp, #-8]	@ float
	str	r2, [r3, #4]	@ float
.L3:
	ldr	r3, [fp, #-36]
	str	r3, [fp, #-16]
	b	.L4
.L5:
	ldr	r3, [fp, #-16]
	mvn	r3, r3
	ldr	r2, [fp, #-20]
	and	r3, r3, r2
	str	r3, [fp, #-20]
.L4:
	ldr	r3, [fp, #-16]
	asr	r3, r3, #1
	str	r3, [fp, #-16]
	ldr	r2, [fp, #-16]
	ldr	r3, [fp, #-20]
	and	r3, r3, r2
	cmp	r3, #0
	bne	.L5
	ldr	r2, [fp, #-20]
	ldr	r3, [fp, #-16]
	orr	r3, r2, r3
	str	r3, [fp, #-20]
	ldr	r3, [fp, #-24]
	add	r3, r3, #1
	str	r3, [fp, #-24]
.L2:
	ldr	r2, [fp, #-24]
	ldr	r3, [fp, #-36]
	cmp	r2, r3
	blt	.L6
	nop
	nop
	add	sp, fp, #0
	@ sp needed
	ldr	fp, [sp], #4
	bx	lr
	.size	bit_reverse_permutation, .-bit_reverse_permutation
	.global	__aeabi_fadd
	.global	__aeabi_fsub
	.section	.rodata
	.align	2
.LC0:
	.word	__stack_chk_guard
	.text
	.align	2
	.syntax unified
	.arm
	.fpu softvfp
	.type	compute_butterfly_for_group, %function
compute_butterfly_for_group:
	@ args = 12, pretend = 0, frame = 40
	@ frame_needed = 1, uses_anonymous_args = 0
	push	{r4, r5, r6, r7, fp, lr}
	add	fp, sp, #20
	sub	sp, sp, #48
	str	r0, [fp, #-40]
	str	r1, [fp, #-44]
	str	r2, [fp, #-48]
	str	r3, [fp, #-52]
	ldr	r3, .L11
	ldr	r3, [r3]
	str	r3, [fp, #-24]
	mov	r3,#0
	ldr	r3, [fp, #8]	@ float
	str	r3, [fp, #-32]	@ float
	ldr	r3, [fp, #12]	@ float
	str	r3, [fp, #-28]	@ float
	ldr	r3, [fp, #4]
	str	r3, [fp, #-36]
	b	.L8
.L9:
	ldr	r2, [fp, #-36]
	ldr	r3, [fp, #-52]
	add	r3, r2, r3
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r3, r2, r3
	ldr	ip, [r3]	@ float
	ldr	lr, [r3, #4]	@ float
	ldr	r3, [fp, #-32]
	eor	r5, r3, #-2147483648
	ldr	r3, [fp, #-28]
	eor	r3, r3, #-2147483648
	ldr	r1, [fp, #-36]
	ldr	r2, [fp, #-52]
	add	r2, r1, r2
	ldr	r1, [fp, #-48]
	mul	r2, r1, r2
	lsl	r2, r2, #3
	ldr	r1, [fp, #-40]
	add	r4, r1, r2
	sub	r0, fp, #60
	str	r3, [sp]	@ float
	mov	r3, r5
	mov	r2, lr
	mov	r1, ip
	bl	__mulsc3
	ldr	r2, [fp, #-60]	@ float
	ldr	r3, [fp, #-56]	@ float
	str	r2, [r4]	@ float
	str	r3, [r4, #4]	@ float
	ldr	r2, [fp, #-36]
	ldr	r3, [fp, #-52]
	add	r3, r2, r3
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r3, r2, r3
	ldr	r0, [r3]	@ float
	ldr	r5, [r3, #4]	@ float
	ldr	r3, [fp, #-36]
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r3, r2, r3
	ldr	r1, [r3]	@ float
	ldr	r6, [r3, #4]	@ float
	ldr	r2, [fp, #-36]
	ldr	r3, [fp, #-52]
	add	r3, r2, r3
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r4, r2, r3
	bl	__aeabi_fadd
	mov	r3, r0
	mov	r7, r3
	mov	r1, r6
	mov	r0, r5
	bl	__aeabi_fadd
	mov	r3, r0
	str	r7, [r4]	@ float
	str	r3, [r4, #4]	@ float
	ldr	r3, [fp, #-36]
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r3, r2, r3
	ldr	r0, [r3]	@ float
	ldr	r5, [r3, #4]	@ float
	ldr	r3, [fp, #-36]
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r3, r2, r3
	ldr	r1, [r3]	@ float
	ldr	r6, [r3, #4]	@ float
	ldr	r3, [fp, #-36]
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r4, r2, r3
	bl	__aeabi_fadd
	mov	r3, r0
	mov	r7, r3
	mov	r1, r6
	mov	r0, r5
	bl	__aeabi_fadd
	mov	r3, r0
	str	r7, [r4]	@ float
	str	r3, [r4, #4]	@ float
	ldr	r3, [fp, #-36]
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r3, r2, r3
	ldr	r0, [r3]	@ float
	ldr	r5, [r3, #4]	@ float
	ldr	r2, [fp, #-36]
	ldr	r3, [fp, #-52]
	add	r3, r2, r3
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r3, r2, r3
	ldr	r1, [r3]	@ float
	ldr	r6, [r3, #4]	@ float
	ldr	r3, [fp, #-36]
	ldr	r2, [fp, #-48]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-40]
	add	r4, r2, r3
	bl	__aeabi_fsub
	mov	r3, r0
	mov	r7, r3
	mov	r1, r6
	mov	r0, r5
	bl	__aeabi_fsub
	mov	r3, r0
	str	r7, [r4]	@ float
	str	r3, [r4, #4]	@ float
	ldr	r3, [fp, #-52]
	lsl	r3, r3, #1
	ldr	r2, [fp, #-36]
	add	r3, r2, r3
	str	r3, [fp, #-36]
.L8:
	ldr	r2, [fp, #-36]
	ldr	r3, [fp, #-44]
	cmp	r2, r3
	blt	.L9
	nop
	ldr	r3, .L11
	ldr	r2, [r3]
	ldr	r3, [fp, #-24]
	eors	r2, r3, r2
	mov	r3, #0
	beq	.L10
	bl	__stack_chk_fail
.L10:
	sub	sp, fp, #20
	@ sp needed
	pop	{r4, r5, r6, r7, fp, pc}
.L12:
	.align	2
.L11:
	.word	.LC0
	.size	compute_butterfly_for_group, .-compute_butterfly_for_group
	.section	.rodata
	.align	2
.LC1:
	.ascii	"the_stack_data/678613.c\000"
	.align	2
.LC2:
	.ascii	"data && len >= 0 && IS_POWER_OF_TWO(len) && stride "
	.ascii	">= 0\000"
	.global	__aeabi_i2f
	.global	__aeabi_fdiv
	.align	2
.LC3:
	.word	1065353216
	.word	0
	.align	2
.LC4:
	.word	__stack_chk_guard
	.text
	.align	2
	.global	fast_fourier_transform
	.syntax unified
	.arm
	.fpu softvfp
	.type	fast_fourier_transform, %function
fast_fourier_transform:
	@ args = 0, pretend = 0, frame = 72
	@ frame_needed = 1, uses_anonymous_args = 0
	push	{r4, r5, r6, fp, lr}
	add	fp, sp, #16
	sub	sp, sp, #92
	str	r0, [fp, #-72]
	str	r1, [fp, #-76]
	str	r2, [fp, #-80]
	strb	r3, [fp, #-81]
	ldr	r3, .L28
	ldr	r3, [r3]
	str	r3, [fp, #-24]
	mov	r3,#0
	ldr	r3, [fp, #-72]
	cmp	r3, #0
	beq	.L14
	ldr	r3, [fp, #-76]
	cmp	r3, #0
	blt	.L14
	ldr	r3, [fp, #-76]
	sub	r2, r3, #1
	ldr	r3, [fp, #-76]
	and	r3, r3, r2
	cmp	r3, #0
	bne	.L14
	ldr	r3, [fp, #-80]
	cmp	r3, #0
	bge	.L26
.L14:
	ldr	r3, .L28+4
	mov	r2, #33
	ldr	r1, .L28+8
	ldr	r0, .L28+12
	bl	__assert_fail
.L26:
	ldr	r2, [fp, #-80]
	ldr	r1, [fp, #-76]
	ldr	r0, [fp, #-72]
	bl	bit_reverse_permutation
	ldr	r3, .L28+16
	ldr	r2, [r3]	@ float
	str	r2, [sp, #4]	@ float
	ldr	r3, [r3, #4]	@ float
	str	r3, [sp, #8]	@ float
	mov	r3, #0
	str	r3, [sp]
	mov	r3, #1
	ldr	r2, [fp, #-80]
	ldr	r1, [fp, #-76]
	ldr	r0, [fp, #-72]
	bl	compute_butterfly_for_group
	ldrb	r3, [fp, #-81]	@ zero_extendqisi2
	cmp	r3, #0
	beq	.L16
	mov	r2, #0
	mov	r3, #1065353216
	b	.L17
.L16:
	mov	r2, #-2147483648
	ldr	r3, .L28+20
.L17:
	str	r2, [fp, #-56]	@ float
	str	r3, [fp, #-52]	@ float
	ldr	r3, [fp, #-52]	@ float
	ldr	r2, [fp, #-56]	@ float
	str	r2, [fp, #-40]	@ float
	str	r3, [fp, #-36]	@ float
	mov	r3, #2
	str	r3, [fp, #-68]
	b	.L18
.L21:
	mov	r3, #1065353216
	str	r3, [fp, #-32]	@ float
	mov	r3, #0
	str	r3, [fp, #-28]	@ float
	mov	r3, #0
	str	r3, [fp, #-64]
	mov	r3, #0
	str	r3, [fp, #-44]	@ float
	mov	r3, #1065353216
	str	r3, [fp, #-48]	@ float
	b	.L19
.L20:
	ldr	r3, [fp, #-32]	@ float
	str	r3, [sp, #4]	@ float
	ldr	r3, [fp, #-28]	@ float
	str	r3, [sp, #8]	@ float
	ldr	r3, [fp, #-64]
	str	r3, [sp]
	ldr	r3, [fp, #-68]
	ldr	r2, [fp, #-80]
	ldr	r1, [fp, #-76]
	ldr	r0, [fp, #-72]
	bl	compute_butterfly_for_group
	ldr	r3, [fp, #-64]
	add	r3, r3, #1
	str	r3, [fp, #-64]
	sub	r0, fp, #92
	ldr	r3, [fp, #-52]	@ float
	str	r3, [sp]	@ float
	ldr	r3, [fp, #-56]	@ float
	ldr	r2, [fp, #-44]	@ float
	ldr	r1, [fp, #-48]	@ float
	bl	__mulsc3
	ldr	r3, [fp, #-92]	@ float
	str	r3, [fp, #-32]	@ float
	ldr	r3, [fp, #-88]	@ float
	str	r3, [fp, #-28]	@ float
	ldr	r3, [fp, #-32]	@ float
	str	r3, [fp, #-48]	@ float
	ldr	r3, [fp, #-28]	@ float
	str	r3, [fp, #-44]	@ float
.L19:
	ldr	r2, [fp, #-64]
	ldr	r3, [fp, #-68]
	cmp	r2, r3
	blt	.L20
	ldr	r3, [fp, #-68]
	lsl	r3, r3, #1
	str	r3, [fp, #-68]
	sub	r3, fp, #92
	ldr	r1, [fp, #-40]	@ float
	ldr	r2, [fp, #-36]	@ float
	mov	r0, r3
	bl	csqrtf
	ldr	r3, [fp, #-92]	@ float
	str	r3, [fp, #-40]	@ float
	ldr	r3, [fp, #-88]	@ float
	str	r3, [fp, #-36]	@ float
	ldr	r3, [fp, #-40]	@ float
	str	r3, [fp, #-56]	@ float
	ldr	r3, [fp, #-36]	@ float
	str	r3, [fp, #-52]	@ float
.L18:
	ldr	r2, [fp, #-68]
	ldr	r3, [fp, #-76]
	cmp	r2, r3
	blt	.L21
	ldrb	r3, [fp, #-81]	@ zero_extendqisi2
	cmp	r3, #0
	beq	.L27
	mov	r3, #0
	str	r3, [fp, #-60]
	b	.L23
.L24:
	ldr	r3, [fp, #-60]
	ldr	r2, [fp, #-80]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-72]
	add	r3, r2, r3
	ldr	r6, [r3]	@ float
	ldr	r5, [r3, #4]	@ float
	ldr	r0, [fp, #-76]
	bl	__aeabi_i2f
	mov	r4, r0
	mov	r1, r4
	mov	r0, r6
	bl	__aeabi_fdiv
	mov	r3, r0
	mov	r6, r3
	mov	r1, r4
	mov	r0, r5
	bl	__aeabi_fdiv
	mov	r3, r0
	mov	r1, r3
	ldr	r3, [fp, #-60]
	ldr	r2, [fp, #-80]
	mul	r3, r2, r3
	lsl	r3, r3, #3
	ldr	r2, [fp, #-72]
	add	r3, r2, r3
	str	r6, [r3]	@ float
	str	r1, [r3, #4]	@ float
	ldr	r3, [fp, #-60]
	add	r3, r3, #1
	str	r3, [fp, #-60]
.L23:
	ldr	r2, [fp, #-60]
	ldr	r3, [fp, #-76]
	cmp	r2, r3
	blt	.L24
.L27:
	nop
	ldr	r3, .L28
	ldr	r2, [r3]
	ldr	r3, [fp, #-24]
	eors	r2, r3, r2
	mov	r3, #0
	beq	.L25
	bl	__stack_chk_fail
.L25:
	sub	sp, fp, #16
	@ sp needed
	pop	{r4, r5, r6, fp, pc}
.L29:
	.align	2
.L28:
	.word	.LC4
	.word	__PRETTY_FUNCTION__.4511
	.word	.LC1
	.word	.LC2
	.word	.LC3
	.word	-1082130432
	.size	fast_fourier_transform, .-fast_fourier_transform
	.align	2
	.global	fft_2d
	.syntax unified
	.arm
	.fpu softvfp
	.type	fft_2d, %function
fft_2d:
	@ args = 0, pretend = 0, frame = 24
	@ frame_needed = 1, uses_anonymous_args = 0
	push	{fp, lr}
	add	fp, sp, #4
	sub	sp, sp, #24
	str	r0, [fp, #-16]
	str	r1, [fp, #-20]
	str	r2, [fp, #-24]
	strb	r3, [fp, #-25]
	mov	r3, #0
	str	r3, [fp, #-12]
	b	.L31
.L32:
	ldr	r3, [fp, #-12]
	lsl	r3, r3, #3
	ldr	r2, [fp, #-16]
	add	r0, r2, r3
	ldrb	r3, [fp, #-25]	@ zero_extendqisi2
	ldr	r2, [fp, #-20]
	ldr	r1, [fp, #-24]
	bl	fast_fourier_transform
	ldr	r3, [fp, #-12]
	add	r3, r3, #1
	str	r3, [fp, #-12]
.L31:
	ldr	r2, [fp, #-12]
	ldr	r3, [fp, #-20]
	cmp	r2, r3
	blt	.L32
	mov	r3, #0
	str	r3, [fp, #-8]
	b	.L33
.L34:
	ldrb	r3, [fp, #-25]	@ zero_extendqisi2
	mov	r2, #1
	ldr	r1, [fp, #-20]
	ldr	r0, [fp, #-16]
	bl	fast_fourier_transform
	ldr	r3, [fp, #-8]
	add	r3, r3, #1
	str	r3, [fp, #-8]
	ldr	r3, [fp, #-20]
	lsl	r3, r3, #3
	ldr	r2, [fp, #-16]
	add	r3, r2, r3
	str	r3, [fp, #-16]
.L33:
	ldr	r2, [fp, #-8]
	ldr	r3, [fp, #-24]
	cmp	r2, r3
	blt	.L34
	nop
	nop
	sub	sp, fp, #4
	@ sp needed
	pop	{fp, pc}
	.size	fft_2d, .-fft_2d
	.section	.rodata
	.align	2
	.type	__PRETTY_FUNCTION__.4511, %object
	.size	__PRETTY_FUNCTION__.4511, 23
__PRETTY_FUNCTION__.4511:
	.ascii	"fast_fourier_transform\000"
	.ident	"GCC: (Ubuntu 9.4.0-1ubuntu1~20.04.2) 9.4.0"
	.section	.note.GNU-stack,"",%progbits
