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<div id="version" align=right><b>slepc-3.22.2 2024-12-02</b></div>
<div id="bugreport" align=right><a href="mailto:slepc-maint@upv.es?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: slepc-3.22.2 v3.22.2 docs/manualpages/sys/SlepcAbs.html "><small>Report Typos and Errors</small></a></div>
<H1>SlepcAbs</H1>
Returns sqrt(x**2+y**2), taking care not to cause unnecessary overflow. It is based on LAPACK's DLAPY2.
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
static inline <A HREF="https://petsc.org/release/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> <A HREF="../sys/SlepcAbs.html#SlepcAbs">SlepcAbs</A>(<A HREF="https://petsc.org/release/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> x,<A HREF="https://petsc.org/release/manualpages/Sys/PetscReal.html#PetscReal">PetscReal</A> y)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#883300">Input parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>x,y </B></TD><TD> - the real numbers
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Output parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>return </B></TD><TD> - the result
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Note</FONT></H3>
This function is not available from Fortran.
<P>
<P><B></B><H3><FONT COLOR="#883300">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#883300">Location</FONT></H3>
</B><A HREF="../../../include/slepcmath.h.html#SlepcAbs">include/slepcmath.h</A>
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