random.cpp
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#include <poincare/random.h>
#include <ion.h>
extern "C" {
#include <assert.h>
}
#include <cmath>
namespace Poincare {
Expression::Type Random::type() const {
return Type::Random;
}
Expression * Random::clone() const {
Random * a = new Random();
return a;
}
Expression * Random::setSign(Sign s, Context & context, AngleUnit angleUnit) {
assert(s == Sign::Positive);
return this;
}
template<typename T> T Random::random() {
if (sizeof(T) == sizeof(float)) {
uint32_t r = Ion::random();
return (float)r/(float)(0xFFFFFFFF);
} else {
assert(sizeof(T) == sizeof(double));
uint64_t r;
uint32_t * rAddress = (uint32_t *)&r;
*rAddress = Ion::random();
*(rAddress+1) = Ion::random();
return (double)r/(double)(0xFFFFFFFFFFFFFFFF);
}
}
template float Random::random();
template double Random::random();
}