Searched refs:acosh (Results 1 - 2 of 2) sorted by relevance

/ast/src/lib/libast/uwin/
H A Dacosh.c39 static char sccsid[] = "@(#)acosh.c 8.1 (Berkeley) 6/4/93";
56 * acosh(x) = log [ x + sqrt(x*x-1) ]
58 * acosh(x) := log1p(x)+ln2, if (x > 1.0E20); else
59 * acosh(x) := log1p( sqrt(x-1) * (sqrt(x-1) + sqrt(x+1)) ) .
63 * acosh(x) is NaN with signal if x<1.
64 * acosh(NaN) is NaN without signal.
67 * acosh(x) returns the exact inverse hyperbolic cosine of x nearly
92 extern double acosh(x) function
/ast/src/lib/libast/
H A DMakefile206 a64l.c acosh.c asinh.c atanh.c cbrt.c crypt.c erf.c \

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