1al_fixsqrt(3)                                                    al_fixsqrt(3)
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NAME

6       al_fixsqrt - Allegro 5 API
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SYNOPSIS

9              #include <allegro5/allegro.h>
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11              al_fixed al_fixsqrt(al_fixed x)
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DESCRIPTION

14       This  finds  out  the non negative square root of x.  If x is negative,
15       Allegro’s errno is set to EDOM and the function returns zero.
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19Allegro reference manual                                         al_fixsqrt(3)