Manpage of SQRT
SQRT
Section: NEWLIB (3)
Updated: 2005 Feb 23
Index
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NAME
1.25 `sqrt', `sqrtf'--positive square root
SYNOPSIS
#include <math.h>
double sqrt(double X);
float sqrtf(float X);
DESCRIPTION
`sqrt' computes the positive square root of the argument. You can
modify error handling for this function with `matherr'.
RETURNS
On success, the square root is returned. If X is real and positive,
then the result is positive. If X is real and negative, the global
value `errno' is set to `EDOM' (domain error).
PORTABILITY
`sqrt' is ANSI C. `sqrtf' is an extension.
SEE ALSO
sqrt
is part of the
libm
library.
The full documentation for
libm
is maintained as a Texinfo manual. If
info
and
libm
are properly installed at your site, the command
-
info libm
will give you access to the complete manual.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURNS
-
- PORTABILITY
-
- SEE ALSO
-
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