*DECK CSHCH SUBROUTINE CSHCH (Z, CSH, CCH) C***BEGIN PROLOGUE CSHCH C***SUBSIDIARY C***PURPOSE Subsidiary to CBESH and CBESK C***LIBRARY SLATEC C***TYPE ALL (CSHCH-A, ZSHCH-A) C***AUTHOR Amos, D. E., (SNL) C***DESCRIPTION C C CSHCH COMPUTES THE COMPLEX HYPERBOLIC FUNCTIONS CSH=SINH(X+I*Y) C AND CCH=COSH(X+I*Y), WHERE I**2=-1. C C***SEE ALSO CBESH, CBESK C***ROUTINES CALLED (NONE) C***REVISION HISTORY (YYMMDD) C 830501 DATE WRITTEN C 910415 Prologue converted to Version 4.0 format. (BAB) C***END PROLOGUE CSHCH COMPLEX CCH, CSH, Z REAL CCHI, CCHR, CH, CN, CSHI, CSHR, SH, SN, X, Y C***FIRST EXECUTABLE STATEMENT CSHCH X = REAL(Z) Y = AIMAG(Z) SH = SINH(X) CH = COSH(X) SN = SIN(Y) CN = COS(Y) CSHR = SH*CN CSHI = CH*SN CSH = CMPLX(CSHR,CSHI) CCHR = CH*CN CCHI = SH*SN CCH = CMPLX(CCHR,CCHI) RETURN END