ref: cc40820c1883d2ef3a4f7cde62f5818f4204f7c7
dir: /src/pt2_math.h/
#pragma once #define PT2_PI 3.14159265358979323846264338327950288 #define PT2_TWO_PI 6.28318530717958647692528676655900576 double pt2_sqrt(double x); double pt2_tan(double x); double pt2_cos(double x); double pt2_sin(double x);