ab-angle->ABCF C

?

Percentage Accurate: 80.4% → 80.4%
Time: 35.7s
Precision: binary64
Cost: 78336

?

\[{\left(a \cdot \cos \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]
\[\begin{array}{l} t_0 := \mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\\ {\left(a \cdot \left(\cos t_0 \cdot \cos 1 + \sin t_0 \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \end{array} \]
(FPCore (a b angle)
 :precision binary64
 (+
  (pow (* a (cos (* PI (/ angle 180.0)))) 2.0)
  (pow (* b (sin (* PI (/ angle 180.0)))) 2.0)))
(FPCore (a b angle)
 :precision binary64
 (let* ((t_0 (fma (* PI angle) 0.005555555555555556 1.0)))
   (+
    (pow (* a (+ (* (cos t_0) (cos 1.0)) (* (sin t_0) (sin 1.0)))) 2.0)
    (pow (* b (sin (* PI (/ angle 180.0)))) 2.0))))
double code(double a, double b, double angle) {
	return pow((a * cos((((double) M_PI) * (angle / 180.0)))), 2.0) + pow((b * sin((((double) M_PI) * (angle / 180.0)))), 2.0);
}
double code(double a, double b, double angle) {
	double t_0 = fma((((double) M_PI) * angle), 0.005555555555555556, 1.0);
	return pow((a * ((cos(t_0) * cos(1.0)) + (sin(t_0) * sin(1.0)))), 2.0) + pow((b * sin((((double) M_PI) * (angle / 180.0)))), 2.0);
}
function code(a, b, angle)
	return Float64((Float64(a * cos(Float64(pi * Float64(angle / 180.0)))) ^ 2.0) + (Float64(b * sin(Float64(pi * Float64(angle / 180.0)))) ^ 2.0))
end
function code(a, b, angle)
	t_0 = fma(Float64(pi * angle), 0.005555555555555556, 1.0)
	return Float64((Float64(a * Float64(Float64(cos(t_0) * cos(1.0)) + Float64(sin(t_0) * sin(1.0)))) ^ 2.0) + (Float64(b * sin(Float64(pi * Float64(angle / 180.0)))) ^ 2.0))
end
code[a_, b_, angle_] := N[(N[Power[N[(a * N[Cos[N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
code[a_, b_, angle_] := Block[{t$95$0 = N[(N[(Pi * angle), $MachinePrecision] * 0.005555555555555556 + 1.0), $MachinePrecision]}, N[(N[Power[N[(a * N[(N[(N[Cos[t$95$0], $MachinePrecision] * N[Cos[1.0], $MachinePrecision]), $MachinePrecision] + N[(N[Sin[t$95$0], $MachinePrecision] * N[Sin[1.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Sin[N[(Pi * N[(angle / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
{\left(a \cdot \cos \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2}
\begin{array}{l}
t_0 := \mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\\
{\left(a \cdot \left(\cos t_0 \cdot \cos 1 + \sin t_0 \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2}
\end{array}

Local Percentage Accuracy vs ?

The average percentage accuracy by input value. Horizontal axis shows value of an input variable; the variable is choosen in the title. Vertical axis is accuracy; higher is better. Red represent the original program, while blue represents Herbie's suggestion. These can be toggled with buttons below the plot. The line is an average while dots represent individual samples.

Herbie found 11 alternatives:

AlternativeAccuracySpeedup

Accuracy vs Speed

The accuracy (vertical axis) and speed (horizontal axis) of each alternatives. Up and to the right is better. The red square shows the initial program, and each blue circle shows an alternative.The line shows the best available speed-accuracy tradeoffs.

Bogosity?

Bogosity

Derivation?

  1. Initial program 79.5%

    \[{\left(a \cdot \cos \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]
  2. Applied egg-rr62.9%

    \[\leadsto {\left(a \cdot \cos \color{blue}{\left(\mathsf{expm1}\left(\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)\right)\right)}\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]
    Step-by-step derivation

    [Start]79.5%

    \[ {\left(a \cdot \cos \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    expm1-log1p-u [=>]62.9%

    \[ {\left(a \cdot \cos \color{blue}{\left(\mathsf{expm1}\left(\mathsf{log1p}\left(\pi \cdot \frac{angle}{180}\right)\right)\right)}\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    div-inv [=>]62.9%

    \[ {\left(a \cdot \cos \left(\mathsf{expm1}\left(\mathsf{log1p}\left(\pi \cdot \color{blue}{\left(angle \cdot \frac{1}{180}\right)}\right)\right)\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    metadata-eval [=>]62.9%

    \[ {\left(a \cdot \cos \left(\mathsf{expm1}\left(\mathsf{log1p}\left(\pi \cdot \left(angle \cdot \color{blue}{0.005555555555555556}\right)\right)\right)\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]
  3. Applied egg-rr79.7%

    \[\leadsto {\left(a \cdot \color{blue}{\left(\cos \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \cos 1 + \sin \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \sin 1\right)}\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]
    Step-by-step derivation

    [Start]62.9%

    \[ {\left(a \cdot \cos \left(\mathsf{expm1}\left(\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)\right)\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    expm1-udef [=>]62.9%

    \[ {\left(a \cdot \cos \color{blue}{\left(e^{\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)} - 1\right)}\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    cos-diff [=>]62.9%

    \[ {\left(a \cdot \color{blue}{\left(\cos \left(e^{\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}\right) \cdot \cos 1 + \sin \left(e^{\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}\right) \cdot \sin 1\right)}\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    log1p-udef [=>]62.9%

    \[ {\left(a \cdot \left(\cos \left(e^{\color{blue}{\log \left(1 + \pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}}\right) \cdot \cos 1 + \sin \left(e^{\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}\right) \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    add-exp-log [<=]62.8%

    \[ {\left(a \cdot \left(\cos \color{blue}{\left(1 + \pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)} \cdot \cos 1 + \sin \left(e^{\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}\right) \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    +-commutative [=>]62.8%

    \[ {\left(a \cdot \left(\cos \color{blue}{\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right) + 1\right)} \cdot \cos 1 + \sin \left(e^{\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}\right) \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    associate-*r* [=>]62.8%

    \[ {\left(a \cdot \left(\cos \left(\color{blue}{\left(\pi \cdot angle\right) \cdot 0.005555555555555556} + 1\right) \cdot \cos 1 + \sin \left(e^{\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}\right) \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    fma-def [=>]62.8%

    \[ {\left(a \cdot \left(\cos \color{blue}{\left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right)} \cdot \cos 1 + \sin \left(e^{\mathsf{log1p}\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}\right) \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    log1p-udef [=>]62.8%

    \[ {\left(a \cdot \left(\cos \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \cos 1 + \sin \left(e^{\color{blue}{\log \left(1 + \pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)}}\right) \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    add-exp-log [<=]79.5%

    \[ {\left(a \cdot \left(\cos \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \cos 1 + \sin \color{blue}{\left(1 + \pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)} \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    +-commutative [=>]79.5%

    \[ {\left(a \cdot \left(\cos \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \cos 1 + \sin \color{blue}{\left(\pi \cdot \left(angle \cdot 0.005555555555555556\right) + 1\right)} \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    associate-*r* [=>]79.7%

    \[ {\left(a \cdot \left(\cos \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \cos 1 + \sin \left(\color{blue}{\left(\pi \cdot angle\right) \cdot 0.005555555555555556} + 1\right) \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

    fma-def [=>]79.7%

    \[ {\left(a \cdot \left(\cos \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \cos 1 + \sin \color{blue}{\left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right)} \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]
  4. Final simplification79.7%

    \[\leadsto {\left(a \cdot \left(\cos \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \cos 1 + \sin \left(\mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\right) \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \]

Alternatives

Alternative 1
Accuracy80.4%
Cost78336
\[\begin{array}{l} t_0 := \mathsf{fma}\left(\pi \cdot angle, 0.005555555555555556, 1\right)\\ {\left(a \cdot \left(\cos t_0 \cdot \cos 1 + \sin t_0 \cdot \sin 1\right)\right)}^{2} + {\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} \end{array} \]
Alternative 2
Accuracy80.4%
Cost39488
\[{\left(a \cdot \cos \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(\frac{1}{\frac{180}{\pi \cdot angle}}\right)\right)}^{2} \]
Alternative 3
Accuracy80.4%
Cost39360
\[{\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(a \cdot \cos \left(\left(\pi \cdot angle\right) \cdot 0.005555555555555556\right)\right)}^{2} \]
Alternative 4
Accuracy80.4%
Cost39360
\[{\left(b \cdot \sin \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(a \cdot \cos \left(\pi \cdot \left(angle \cdot 0.005555555555555556\right)\right)\right)}^{2} \]
Alternative 5
Accuracy80.5%
Cost39360
\[{\left(a \cdot \cos \left(\pi \cdot \frac{angle}{180}\right)\right)}^{2} + {\left(b \cdot \sin \left(angle \cdot \frac{\pi}{180}\right)\right)}^{2} \]
Alternative 6
Accuracy80.4%
Cost26368
\[{\left(b \cdot \sin \left(\frac{1}{\frac{180}{\pi \cdot angle}}\right)\right)}^{2} + {a}^{2} \]
Alternative 7
Accuracy80.5%
Cost26240
\[{\left(b \cdot \sin \left(angle \cdot \frac{\pi}{180}\right)\right)}^{2} + {a}^{2} \]
Alternative 8
Accuracy75.5%
Cost19840
\[{a}^{2} + {\left(0.005555555555555556 \cdot \left(angle \cdot \left(\pi \cdot b\right)\right)\right)}^{2} \]
Alternative 9
Accuracy75.5%
Cost19840
\[{a}^{2} + {\left(angle \cdot \left(\pi \cdot \left(0.005555555555555556 \cdot b\right)\right)\right)}^{2} \]
Alternative 10
Accuracy75.5%
Cost19840
\[{a}^{2} + {\left(b \cdot \left(angle \cdot \frac{\pi}{180}\right)\right)}^{2} \]
Alternative 11
Accuracy57.8%
Cost13248
\[{a}^{2} + {\left(b \cdot 0\right)}^{2} \]

Reproduce?

herbie shell --seed 2023272 
(FPCore (a b angle)
  :name "ab-angle->ABCF C"
  :precision binary64
  (+ (pow (* a (cos (* PI (/ angle 180.0)))) 2.0) (pow (* b (sin (* PI (/ angle 180.0)))) 2.0)))