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Diffstat (limited to 'man3/casinh.3')
-rw-r--r-- | man3/casinh.3 | 29 |
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diff --git a/man3/casinh.3 b/man3/casinh.3 new file mode 100644 index 000000000..0cc96af35 --- /dev/null +++ b/man3/casinh.3 @@ -0,0 +1,29 @@ +.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) +.\" Distributed under GPL +.\" +.TH CASINH 3 2002-07-28 "" "complex math routines" +.SH NAME +casinh, casinhf, casinhl \- complex arc sine hyperbolic +.SH SYNOPSIS +.B #include <complex.h> +.sp +.BI "double complex casinh(double complex " z ); +.sp +.BI "float complex casinhf(float complex " z ); +.sp +.BI "long double complex casinhl(long double complex " z ); +.sp +Link with \-lm. +.SH DESCRIPTION +The casinh() function calculates the complex asinh(). +If y = casinh(z), then z = csinh(y). +The imaginary part of y is chosen in the interval [-pi/2,pi/2]. +.LP +One has casinh(z) = clog(z+csqrt(z*z+1)). +.SH "CONFORMING TO" +C99 +.SH "SEE ALSO" +.BR asinh (3), +.BR cabs (3), +.BR cimag (3), +.BR complex (5) |