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d73137b28eb545c543338383b0a5bbc8947345a7
[musl]
/
src
/
math
/
i386
/
atan.s
1
.global atan
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.type atan,@function
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atan:
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fldl 4(%esp)
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mov 8(%esp),%eax
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add %eax,%eax
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cmp $0x00200000,%eax
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jb 1f
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fld1
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fpatan
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ret
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# subnormal x, return x with underflow
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1: fnstsw %ax
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and $16,%ax
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jnz 2f
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fsts 4(%esp)
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2: ret