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#include "__complex.h" // for M_IVLN10
#include <complex.h> // for cabsf, cimagf, complex, crealf, I
#include <math.h> // for atan2f, log10f
float complex clog10f(float complex z)
{
float p, rr;
rr = cabsf(z);
p = log10f(rr);
rr = atan2f(cimagf(z), crealf(z)) * (float)M_IVLN10;
return p + rr * I;
}
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