Details | Last modification | View Log
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1485 | alone | 1 | ifndef included_xatanh |
| 2 | define included_xatanh |
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| 3 | include "../common/pushpop.asm" |
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| 4 | include "constantsx.asm" |
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| 5 | include "xmul.asm" |
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| 6 | include "xrsub.asm" |
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| 7 | include "xsqrt.asm" |
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| 8 | include "xbg.asm" |
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| 9 | |||
| 10 | include "xrsub.asm" |
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| 11 | include "xdiv.asm" |
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| 12 | include "xdiv2.asm" |
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| 13 | include "xln.asm" |
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| 14 | |||
| 15 | ;x/BG(1,sqrt(1-x^2)) |
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| 16 | var_x=xOP1+152 ;FIXME |
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| 17 | xatanh: |
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| 18 | ;log((1+x)/(1-x))/2 |
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| 19 | call pushpop |
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| 20 | push bc |
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| 21 | |||
| 22 | ld bc,xOP4 |
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| 23 | ld de,xconst_1 |
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| 24 | call xadd |
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| 25 | ld bc,xOP5 |
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| 26 | ld de,xconst_1 |
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| 27 | call xrsub |
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| 28 | ld d,b |
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| 29 | ld e,c |
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| 30 | ld hl,xOP4 |
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| 31 | call xdiv |
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| 32 | ld h,b |
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| 33 | ld l,c |
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| 34 | call xln |
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| 35 | pop bc |
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| 36 | jp xdiv2 |
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| 37 | endif |