page ,132 title 87ctrig - C interfaces - sin, cos, tan ;*** ;87ctrig.asm - trig functions (8087/emulator version) ; ; Copyright (c) 1984-2001, Microsoft Corporation. All rights reserved. ; ;Purpose: ; C interfaces for the sin, cos, and tan functions (8087/emulator version) ; ;Revision History: ; 07-04-84 GFW initial version ; 05-08-87 BCM added C intrinsic interface (_CI...) ; 10-12-87 BCM changes for OS/2 Support Library ; 11-24-87 BCM added _loadds under ifdef DLL ; 01-18-88 BCM eliminated IBMC20; ifos2,noos2 ==> ifmt,nomt ; 08-26-88 WAJ 386 version ; 11-20-89 WAJ Don't need pascal for MTHREAD 386. ; ;******************************************************************************* .xlist include cruntime.inc .list .data extrn _OP_SINjmptab:word extrn _OP_COSjmptab:word extrn _OP_TANjmptab:word page CODESEG extrn _ctrandisp1:near extrn _ctrandisp2:near public oldsin oldsin proc mov edx, OFFSET _OP_SINjmptab trigdisp:: jmp _ctrandisp1 oldsin endp public oldcos oldcos proc mov edx, OFFSET _OP_COSjmptab jmp trigdisp oldcos endp public oldtan oldtan proc mov edx, OFFSET _OP_TANjmptab jmp trigdisp oldtan endp extrn _cintrindisp1:near extrn _cintrindisp2:near public _old_CIsin _old_CIsin proc mov edx, OFFSET _OP_SINjmptab itrigdisp:: jmp _cintrindisp1 _old_CIsin endp public _old_CIcos _old_CIcos proc mov edx, OFFSET _OP_COSjmptab jmp itrigdisp _old_CIcos endp public _old_CItan _old_CItan proc mov edx, OFFSET _OP_TANjmptab jmp itrigdisp _old_CItan endp end