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29 lines
839 B
Fortran
29 lines
839 B
Fortran
*DECK CASINH
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COMPLEX FUNCTION CASINH (Z)
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C***BEGIN PROLOGUE CASINH
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C***PURPOSE Compute the arc hyperbolic sine.
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C***LIBRARY SLATEC (FNLIB)
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C***CATEGORY C4C
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C***TYPE COMPLEX (ASINH-S, DASINH-D, CASINH-C)
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C***KEYWORDS ARC HYPERBOLIC SINE, ASINH, ELEMENTARY FUNCTIONS, FNLIB,
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C INVERSE HYPERBOLIC SINE
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C***AUTHOR Fullerton, W., (LANL)
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C***DESCRIPTION
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C
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C CASINH(Z) calculates the complex arc hyperbolic sine of Z.
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C
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C***REFERENCES (NONE)
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C***ROUTINES CALLED CASIN
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C***REVISION HISTORY (YYMMDD)
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C 770401 DATE WRITTEN
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C 861211 REVISION DATE from Version 3.2
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C 891214 Prologue converted to Version 4.0 format. (BAB)
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C***END PROLOGUE CASINH
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COMPLEX Z, CI, CASIN
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SAVE CI
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DATA CI /(0.,1.)/
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C***FIRST EXECUTABLE STATEMENT CASINH
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CASINH = -CI*CASIN (CI*Z)
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C
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RETURN
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END
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