Average Error: 0 → 0
Time: 1.6s
Precision: 64
$\frac{20 \cdot \log \left(\left|x\right|\right)}{\log 10}$
$\frac{20 \cdot \log \left(\left|x\right|\right)}{\log 10}$
\frac{20 \cdot \log \left(\left|x\right|\right)}{\log 10}
\frac{20 \cdot \log \left(\left|x\right|\right)}{\log 10}
double f(double x) {
double r1158776 = 20.0;
double r1158777 = x;
double r1158778 = fabs(r1158777);
double r1158779 = log(r1158778);
double r1158780 = r1158776 * r1158779;
double r1158781 = 10.0;
double r1158782 = log(r1158781);
double r1158783 = r1158780 / r1158782;
return r1158783;
}


double f(double x) {
double r1158784 = 20.0;
double r1158785 = x;
double r1158786 = fabs(r1158785);
double r1158787 = log(r1158786);
double r1158788 = r1158784 * r1158787;
double r1158789 = 10.0;
double r1158790 = log(r1158789);
double r1158791 = r1158788 / r1158790;
return r1158791;
}



# Try it out

Results

 In Out
Enter valid numbers for all inputs

# Derivation

1. Initial program 0

$\frac{20 \cdot \log \left(\left|x\right|\right)}{\log 10}$
2. Final simplification0

$\leadsto \frac{20 \cdot \log \left(\left|x\right|\right)}{\log 10}$

# Reproduce

herbie shell --seed 1
(FPCore (x)
:name "20*log(abs(x))/log(10)"
:precision binary32
(/ (* 20 (log (fabs x))) (log 10)))