al_fixtan - Online Linux Manual PageSection : 3
Updated :
Source : Allegro reference manual
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NAMEal_fixtan − Allegro 5 API

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SYNOPSIS #include <allegro5/allegro.h> al_fixed al_fixtan(al_fixed x);

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DESCRIPTIONThis function finds the tangent of a value using a lookup table. The input value must be a fixed point binary angle. Example: al_fixed angle, res_a, res_b; float dif; angle = al_itofix(37); /* Prove that tan(angle) == sin(angle) / cos(angle). */ res_a = al_fixdiv(al_fixsin(angle), al_fixcos(angle)); res_b = al_fixtan(angle); dif = al_fixtof(al_fixsub(res_a, res_b)); printf("Precision error: %f\n",\ dif);

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RETURN VALUEReturns the tangent of a fixed point binary format angle as a fixed point value. 0

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Online Linux Manual Page   :   Version   :   Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 24.12.05
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ERROR : Need New Coding :         (rof_nr_x|149|al_fixtan.3|34|\n",\ dif);|printf("Precision\ error:\ %f\\n",\ dif); )    

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