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CASIN 3M "Jul 12, 2006" "SunOS 5.11" "Mathematical Library Functions"
NAME
casin, casinf, casinl - complex arc sine functions
SYNOPSIS

```c99 [ flag... ] file... -lm [ library... ]
#include <complex.h>

double complex casin(double complex z);
```

```float complex casinf(float complex z);
```

```long double complex casinl(long double complex z);
```
DESCRIPTION

These functions compute the complex arc sine of z, with branch cuts outside the interval [ -1, +1 ] along the real axis.

RETURN VALUES

These functions return the complex arc sine value, in the range of a strip mathematically unbounded along the imaginary axis and in the interval [ -\c \c /2, +\c \c /2 ] along the real axis.

ERRORS

No errors are defined.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

 ATTRIBUTE TYPE ATTRIBUTE VALUE Interface Stability Standard MT-Level MT-Safe