Guardian Native C Library Calls Reference Manual (G06.29+, H06.08+, J06.03+)

Guardian Native C Library Calls (a - e) asinhf(3)
NAME
asinhf - Computes the inverse hyperbolic sine function for a float value
LIBRARY
H-series and J-series native Guardian processes: $SYSTEM.ZDLLnnn.ZCREDLL
32-bit H-series and J-series OSS processes: /G/system/zdllnnn/zcredll
64-bit H-series and J-series OSS processes: /G/system/zdllnnn/ycredll
SYNOPSIS
#include <math.h>
float asinhf(
float x);
PARAMETERS
x Is the float value for which the inverse hyperbolic sine function is to be com-
puted.
DESCRIPTION
The asinhf() function is a float version of the asinh( ) function; it takes a float argument and
returns a float result.
The asinhf() function computes the inverse hyperbolic sine of x.
The asinhf() function can be called only by native processes.
NOTES
This function supports both IEEE Std 754-1985 floating-point and Tandem floating-point values.
IEEE values can include NaN and infinity, and the sign of 0.0 (zero) can be either positive or
negative. Refer to the fp_class(3) reference page for a description of IEEE value classes.
Guardian functions are available to convert between floating-point formats. Refer to the Guar-
dian Programmer’s Guide for a discussion of floating-point conversions.
RETURN VALUES
The asinhf() function returns the inverse hyperbolic sine of the x parameter.
For IEEE floating-point values, when the value of x is NaN, the asinhf( ) function returns NaN. If
the value of x is positive infinity, the asinhf( ) function returns positive infinity. If the value of x
is negative infinity, the asinhf() function returns negative infinity.
ERRORS
The asinhf() function does not set errno.
RELATED INFORMATION
Functions: acos(3), acosh(3), asin(3), asinh(3), asinhl(3), atan(3), atan2(3), atanh(3), casin(3),
casinh(3), fp_class(3), isnan(3), sin(3), sinh(3).
STANDARDS CONFORMANCE
This function conforms to the ISO/IEC 9899:1999 standard.
This function conforms to the IEEE Std 1003.1, 2004 Edition.
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