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// This program prints the smallest probable prime >= x, x being given on the
// command line.
// We work with real numbers and integers.
#include <cl_real.h>
#include <cl_integer.h>
// We do I/O.
#include <cl_io.h>
#include <cl_integer_io.h>
// The function nextprobprime() is part of the number theory package.
#include <cl_numtheory.h>
int main (int argc, char* argv[]) { if (argc != 2) { fprint(cl_stderr, "Usage: nextprime x\n"); exit(1); } cl_R x = (cl_R)argv[1]; cl_I p = nextprobprime(x); fprint(cl_stdout, p); fprint(cl_stdout, "\n"); }
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