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83 lines
1.5 KiB
83 lines
1.5 KiB
;/***
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;*trigh.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 sinh,PUBLIC
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parmQ x
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cBegin sinh
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fmove.l fpcr,d0
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fmove.l #0,fpcr
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fsinh.d 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 sinh
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;double cosh(double x)
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cProc cosh,PUBLIC
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parmQ x
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cBegin cosh
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fmove.l fpcr,d0
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fmove.l #0,fpcr
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fcosh.d 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 cosh
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;double tanh(double x)
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cProc tanh,PUBLIC
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parmQ x
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cBegin tanh
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fmove.l fpcr,d0
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fmove.l #0,fpcr
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ftanh.d 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 tanh
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#endif
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