.\" Automatically generated by Pandoc 3.1.3 .\" .\" Define V font for inline verbatim, using C font in formats .\" that render this, and otherwise B font. .ie "\f[CB]x\f[]"x" \{\ . ftr V B . ftr VI BI . ftr VB B . ftr VBI BI .\} .el \{\ . ftr V CR . ftr VI CI . ftr VB CB . ftr VBI CBI .\} .TH "al_fixsqrt" "3alleg5" "" "Allegro reference manual" "" .hy .SH NAME .PP al_fixsqrt - Allegro 5 API .SH SYNOPSIS .IP .nf \f[C] #include al_fixed al_fixsqrt(al_fixed x) \f[R] .fi .SH DESCRIPTION .PP This finds out the non negative square root of \f[V]x\f[R]. If \f[V]x\f[R] is negative, Allegro\[cq]s errno is set to EDOM and the function returns zero.