Average Error: 0.0 → 0.0
Time: 8.4s
Precision: 64
\[e^{re} \cdot \sin im\]
↓
\[\sin im \cdot e^{re}\]
e^{re} \cdot \sin im
↓
\sin im \cdot e^{re}
double f(double re, double im) {
        double r1947149 = re;
        double r1947150 = exp(r1947149);
        double r1947151 = im;
        double r1947152 = sin(r1947151);
        double r1947153 = r1947150 * r1947152;
        return r1947153;
}
↓
double f(double re, double im) {
        double r1947154 = im;
        double r1947155 = sin(r1947154);
        double r1947156 = re;
        double r1947157 = exp(r1947156);
        double r1947158 = r1947155 * r1947157;
        return r1947158;
}

Error

Bits error versus re

Bits error versus im

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[e^{re} \cdot \sin im\]

  2. Final simplification0.0

    \[\leadsto \sin im \cdot e^{re}\]

Reproduce

herbie shell --seed 2019172 
(FPCore (re im)
  :name "math.exp on complex, imaginary part"
  (* (exp re) (sin im)))