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80 lines
1.5 KiB
80 lines
1.5 KiB
;/***
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;*itrigh.a - sinh, cosh, tanh functions
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;*
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;* Copyright (c) 1991-1991, Microsoft Corporation. All rights reserved.
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;*
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;*Purpose:
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;* Hyperbolic trig functions to be used with M68K version
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;*
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;*Revision History:
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;* 05-13-92 XY MAC version
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;*
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;*******************************************************************************/
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#ifndef SANE
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#include <traps.a>
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externW _errno
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;double sinh(double x)
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cProc _CIsinh,PUBLIC
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cBegin _CIsinh
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fmove.l fpcr,d0
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fmove.l #0,fpcr
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fsinh.x fp0
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fmove.l fpsr, d1 ;get status word
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and.l #0x03007c00, d1 ;see if we get an exception
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cmp.l #0, d1
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bne range_error_fpu1
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jra to_end_fpu1
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range_error_fpu1:
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move.l #34, _errno
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to_end_fpu1:
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fmove.l d0,fpcr
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cEnd _CIsinh
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;double cosh(double x)
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cProc _CIcosh,PUBLIC
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cBegin _CIcosh
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fmove.l fpcr,d0
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fmove.l #0,fpcr
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fcosh.x fp0
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fmove.l fpsr, d1 ;get status word
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and.l #0x03007c00, d1 ;see if we get an exception
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cmp.l #0, d1
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bne range_error_fpu2
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jra to_end_fpu2
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range_error_fpu2:
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move.l #34, _errno
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to_end_fpu2:
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fmove.l d0,fpcr
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cEnd _CIcosh
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;double tanh(double x)
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cProc _CItanh,PUBLIC
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cBegin _CItanh
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fmove.l fpcr,d0
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fmove.l #0,fpcr
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ftanh.x fp0
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fmove.l fpsr, d1 ;get status word
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and.l #0x03007c00, d1 ;see if we get an exception
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cmp.l #0, d1
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bne range_error_fpu3
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jra to_end_fpu3
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range_error_fpu3:
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move.l #34, _errno
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to_end_fpu3:
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fmove.l d0,fpcr
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cEnd _CItanh
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#endif
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