Average Error: 0.0 → 0.0
Time: 4.9s
Precision: 64
\[\left(0.5 \cdot \sin re\right) \cdot \left(e^{0.0 - im} + e^{im}\right)\]
\[0.5 \cdot \left(\frac{\sin re}{e^{im}} + \sin re \cdot e^{im}\right)\]
\left(0.5 \cdot \sin re\right) \cdot \left(e^{0.0 - im} + e^{im}\right)
0.5 \cdot \left(\frac{\sin re}{e^{im}} + \sin re \cdot e^{im}\right)
double code(double re, double im) {
	return ((double) (((double) (0.5 * ((double) sin(re)))) * ((double) (((double) exp(((double) (0.0 - im)))) + ((double) exp(im))))));
}
double code(double re, double im) {
	return ((double) (0.5 * ((double) (((double) (((double) sin(re)) / ((double) exp(im)))) + ((double) (((double) sin(re)) * ((double) exp(im))))))));
}

Error

Bits error versus re

Bits error versus im

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\left(0.5 \cdot \sin re\right) \cdot \left(e^{0.0 - im} + e^{im}\right)\]
  2. Using strategy rm
  3. Applied associate-*l*0.0

    \[\leadsto \color{blue}{0.5 \cdot \left(\sin re \cdot \left(e^{0.0 - im} + e^{im}\right)\right)}\]
  4. Using strategy rm
  5. Applied distribute-lft-in0.0

    \[\leadsto 0.5 \cdot \color{blue}{\left(\sin re \cdot e^{0.0 - im} + \sin re \cdot e^{im}\right)}\]
  6. Taylor expanded around inf 0.0

    \[\leadsto 0.5 \cdot \left(\color{blue}{\sin re \cdot e^{-im}} + \sin re \cdot e^{im}\right)\]
  7. Simplified0.0

    \[\leadsto 0.5 \cdot \left(\color{blue}{\frac{\sin re}{e^{im}}} + \sin re \cdot e^{im}\right)\]
  8. Final simplification0.0

    \[\leadsto 0.5 \cdot \left(\frac{\sin re}{e^{im}} + \sin re \cdot e^{im}\right)\]

Reproduce

herbie shell --seed 2020128 
(FPCore (re im)
  :name "math.sin on complex, real part"
  :precision binary64
  (* (* 0.5 (sin re)) (+ (exp (- 0.0 im)) (exp im))))