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musl
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src
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math
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i386
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atan.s
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.global atan
.type atan
,@
function
atan
:
fldl
4
(
%esp
)
mov
8
(%esp),%
eax
add
%eax,%
eax
cmp
$
0x00200000
,
%eax
jb
1
f
fld1
fpatan
fstpl
4
(
%esp
)
fldl
4
(
%esp
)
ret
# subnormal x, return x with underflow
1
:
fsts
4
(
%esp
)
ret