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HEAD
fix excess precision in return value of i386 atan[2][f]
[musl]
/
src
/
math
/
i386
/
asin.s
1
.global asinf
2
.type asinf,@function
3
asinf:
4
flds 4(%esp)
5
mov 4(%esp),%eax
6
add %eax,%eax
7
cmp $0x01000000,%eax
8
jae 1f
9
# subnormal x, return x with underflow
10
fld %st(0)
11
fmul %st(1)
12
fstps 4(%esp)
13
ret
14
15
.global asinl
16
.type asinl,@function
17
asinl:
18
fldt 4(%esp)
19
jmp 1f
20
21
.global asin
22
.type asin,@function
23
asin:
24
fldl 4(%esp)
25
mov 8(%esp),%eax
26
add %eax,%eax
27
cmp $0x00200000,%eax
28
jae 1f
29
# subnormal x, return x with underflow
30
fsts 4(%esp)
31
ret
32
1: fld %st(0)
33
fld1
34
fsub %st(0),%st(1)
35
fadd %st(2)
36
fmulp
37
fsqrt
38
fpatan
39
ret