17 * Returns hyperbolic cosine of argument in the range MINLOGF to
20 * cosh(x) = ( exp(x) + exp(-x) )/2.
27 * arithmetic domain # trials peak rms
28 * IEEE +-MAXLOGF 100000 1.2e-7 2.8e-8
33 * message condition value returned
34 * coshf overflow |x| > MAXLOGF MAXNUMF
42 Cephes Math Library Release 2.2: June, 1992
43 Copyright 1985, 1987, 1992 by Stephen L. Moshier
44 Direct inquiries to 30 Frost Street, Cambridge, MA 02140
48 extern float MAXLOGF, MAXNUMF;
68 mtherr( "coshf", OVERFLOW );