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99 lines
1.4 KiB
99 lines
1.4 KiB
page ,132
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title 87ctrig - C interfaces - sin, cos, tan
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;***
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;87ctrig.asm - trig functions (8087/emulator version)
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;
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; Copyright (c) 1984-89, Microsoft Corporation
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;
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;Purpose:
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; C interfaces for the sin, cos, and tan functions (8087/emulator version)
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;
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;Revision History:
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; 07-04-84 GFW initial version
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; 05-08-87 BCM added C intrinsic interface (_CI...)
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; 10-12-87 BCM changes for OS/2 Support Library
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; 11-24-87 BCM added _loadds under ifdef DLL
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; 01-18-88 BCM eliminated IBMC20; ifos2,noos2 ==> ifmt,nomt
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; 08-26-88 WAJ 386 version
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; 11-20-89 WAJ Don't need pascal for MTHREAD 386.
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;
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;*******************************************************************************
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.xlist
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include cruntime.inc
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.list
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.data
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extrn _OP_SINjmptab:word
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extrn _OP_COSjmptab:word
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extrn _OP_TANjmptab:word
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page
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CODESEG
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extrn _ctrandisp1:near
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extrn _ctrandisp2:near
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public sin
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sin proc
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mov edx, OFFSET _OP_SINjmptab
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trigdisp::
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jmp _ctrandisp1
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sin endp
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public cos
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cos proc
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mov edx, OFFSET _OP_COSjmptab
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jmp trigdisp
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cos endp
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public tan
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tan proc
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mov edx, OFFSET _OP_TANjmptab
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jmp trigdisp
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tan endp
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extrn _cintrindisp1:near
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extrn _cintrindisp2:near
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public _CIsin
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_CIsin proc
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mov edx, OFFSET _OP_SINjmptab
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itrigdisp::
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jmp _cintrindisp1
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_CIsin endp
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public _CIcos
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_CIcos proc
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mov edx, OFFSET _OP_COSjmptab
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jmp itrigdisp
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_CIcos endp
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public _CItan
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_CItan proc
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mov edx, OFFSET _OP_TANjmptab
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jmp itrigdisp
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_CItan endp
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end
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