31 lines
691 B
C++
31 lines
691 B
C++
#ifndef UTIL_H
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#define UTIL_H
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#include <limits>
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#include <random>
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const double infinity = std::numeric_limits<double>::infinity();
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const double pi = 3.1415926535897932385;
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inline double degrees_to_radians(double degrees) {
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return degrees * pi / 180;
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}
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inline double random_double() {
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static std::uniform_real_distribution<double> distribution(0.0, 1.0);
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static std::mt19937 generator;
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return distribution(generator);
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}
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inline double random_double(double min, double max) {
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return min + (max-min) * random_double();
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}
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inline double clamp(double x, double min, double max) {
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if (x < min) return min;
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if (x > max) return max;
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return x;
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}
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#endif // UTIL_H
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