.\" Automatically generated by Pandoc 2.2.1 .\" .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[] .fi .SH DESCRIPTION .PP This finds out the non negative square root of \f[C]x\f[]. If \f[C]x\f[] is negative, Allegro's errno is set to EDOM and the function returns zero.