fusl/src/math/i386/acos.s - Issue 1573973002: Add a "fork" of musl as //fusl.

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Side by Side Diff: fusl/src/math/i386/acos.s

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 4 years, 11 months ago

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	1 # use acos(x) = atan2(fabs(sqrt((1-x)*(1+x))), x)

	2

	3 .global acosf

	4 .type acosf,@function

	5 acosf:

	6 flds 4(%esp)

	7 jmp 1f

	8

	9 .global acosl

	10 .type acosl,@function

	11 acosl:

	12 fldt 4(%esp)

	13 jmp 1f

	14

	15 .global acos

	16 .type acos,@function

	17 acos:

	18 fldl 4(%esp)

	19 1: fld %st(0)

	20 fld1

	21 fsub %st(0),%st(1)

	22 fadd %st(2)

	23 fmulp

	24 fsqrt

	25 fabs # fix sign of zero (matters in downward rounding mode)

	26 fxch %st(1)

	27 fpatan

	28 ret

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