32 lines
531 B
NASM
32 lines
531 B
NASM
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include mdef.inc
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modstart tanf
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xdefp _tanf
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_tanf proc
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fptan
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fnstsw ax
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test eax, 0x400
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jnz L1
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fstp st(0)
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ret
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L1: fldpi
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fadd st,st
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fxch st(1)
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L2:
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fprem1
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fnstsw ax
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test eax,0x400
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jnz L2
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fstp st(1)
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fptan
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fstp st(0)
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ret
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_tanf endp
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endmod
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end
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