2023-10-31 12:34:19 +00:00
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/* Extra maths functions - we do what we must because we can */
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inline double func_deg2rad(double value) { return (value * 0.01745329251994329576923690768489); }
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inline double func_rad2deg(double value) { return (value * 57.29577951308232); }
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inline double func_deg2grad(double value) { return (value * 1.111111111111111); }
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inline double func_grad2deg(double value) { return (value * 0.9); }
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inline double func_rad2grad(double value) { return (value * 63.66197723675816); }
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inline double func_grad2rad(double value) { return (value * .01570796326794896); }
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2023-10-31 15:32:22 +00:00
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inline constexpr double func_pi(double multiplier, int32_t passed) {
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2023-10-31 12:34:19 +00:00
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if (passed) {
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return 3.14159265358979323846264338327950288419716939937510582 * multiplier;
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}
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return (3.14159265358979323846264338327950288419716939937510582);
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}
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inline double func_arcsec(double num) { // https://en.neurochispas.com/calculators/arcsec-calculator-inverse-secant-degrees-and-radians/
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if (std::abs(num) < 1.0) {
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error(5);
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return 0.0;
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}
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return std::acos(1.0 / num); }
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inline double func_arccsc(double num) { // https://en.neurochispas.com/calculators/arccsc-calculator-inverse-cosecant-degrees-and-radians/
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if (std::abs(num) < 1.0) {
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error(5);
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return 0.0;
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}
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return std::asin(1.0 / num);
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}
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inline double func_arccot(double num) { return 2 * std::atan(1) - std::atan(num); }
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inline double func_sech(double num) {
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if (num > 88.02969) {
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error(5);
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return 0;
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}
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if (std::exp(num) + std::exp(-num) == 0) {
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error(5);
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return 0;
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}
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return 2 / (std::exp(num) + std::exp(-num));
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}
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inline double func_csch(double num) {
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if (num > 88.02969) {
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error(5);
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return 0;
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}
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if (std::exp(num) - std::exp(-num) == 0) {
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error(5);
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return 0;
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}
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return 2 / (std::exp(num) - std::exp(-num));
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}
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inline double func_coth(double num) {
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if (num > 44.014845) {
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error(5);
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return 0;
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}
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if (2 * std::exp(num) - 1 == 0) {
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error(5);
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return 0;
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}
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return 2 * std::exp(num) - 1;
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}
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inline double func_sec(double num) {
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if (std::cos(num) == 0) {
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error(5);
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return 0;
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}
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return 1 / std::cos(num);
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}
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inline double func_csc(double num) {
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if (std::sin(num) == 0) {
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error(5);
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return 0;
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}
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return 1 / std::sin(num);
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}
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inline double func_cot(double num) {
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if (std::tan(num) == 0) {
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error(5);
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return 0;
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}
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return 1 / std::tan(num);
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}
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