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- SUBROUTINE ZSHCH(ZR, ZI, CSHR, CSHI, CCHR, CCHI)
- C***BEGIN PROLOGUE ZSHCH
- C***REFER TO ZBESK,ZBESH
- C
- C ZSHCH COMPUTES THE COMPLEX HYPERBOLIC FUNCTIONS CSH=SINH(X+I*Y)
- C AND CCH=COSH(X+I*Y), WHERE I**2=-1.
- C
- C***ROUTINES CALLED (NONE)
- C***END PROLOGUE ZSHCH
- C
- DOUBLE PRECISION CCHI, CCHR, CH, CN, CSHI, CSHR, SH, SN, ZI, ZR,
- * DCOSH, DSINH
- SH = DSINH(ZR)
- CH = DCOSH(ZR)
- SN = DSIN(ZI)
- CN = DCOS(ZI)
- CSHR = SH*CN
- CSHI = CH*SN
- CCHR = CH*CN
- CCHI = SH*SN
- RETURN
- END
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