Average Error: 0.0 → 0.0
Time: 1.4s
Precision: 64
$\left(\left(a + b\right) + c\right) + d$
$\left(\left(a + b\right) + c\right) + d$
\left(\left(a + b\right) + c\right) + d
\left(\left(a + b\right) + c\right) + d
double f(double a, double b, double c, double d) {
double r2212844 = a;
double r2212845 = b;
double r2212846 = r2212844 + r2212845;
double r2212847 = c;
double r2212848 = r2212846 + r2212847;
double r2212849 = d;
double r2212850 = r2212848 + r2212849;
return r2212850;
}


double f(double a, double b, double c, double d) {
double r2212851 = a;
double r2212852 = b;
double r2212853 = r2212851 + r2212852;
double r2212854 = c;
double r2212855 = r2212853 + r2212854;
double r2212856 = d;
double r2212857 = r2212855 + r2212856;
return r2212857;
}



# Try it out

Results

 In Out
Enter valid numbers for all inputs

# Derivation

1. Initial program 0.0

$\left(\left(a + b\right) + c\right) + d$
2. Final simplification0.0

$\leadsto \left(\left(a + b\right) + c\right) + d$

# Reproduce

herbie shell --seed 1
(FPCore (a b c d)
:name "a+b+c+d"
:precision binary64
(+ (+ (+ a b) c) d))