
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* (/ angle 180.0) PI))) (+ (pow (* a (sin t_0)) 2.0) (pow (* b (cos t_0)) 2.0))))
double code(double a, double b, double angle) {
double t_0 = (angle / 180.0) * ((double) M_PI);
return pow((a * sin(t_0)), 2.0) + pow((b * cos(t_0)), 2.0);
}
public static double code(double a, double b, double angle) {
double t_0 = (angle / 180.0) * Math.PI;
return Math.pow((a * Math.sin(t_0)), 2.0) + Math.pow((b * Math.cos(t_0)), 2.0);
}
def code(a, b, angle): t_0 = (angle / 180.0) * math.pi return math.pow((a * math.sin(t_0)), 2.0) + math.pow((b * math.cos(t_0)), 2.0)
function code(a, b, angle) t_0 = Float64(Float64(angle / 180.0) * pi) return Float64((Float64(a * sin(t_0)) ^ 2.0) + (Float64(b * cos(t_0)) ^ 2.0)) end
function tmp = code(a, b, angle) t_0 = (angle / 180.0) * pi; tmp = ((a * sin(t_0)) ^ 2.0) + ((b * cos(t_0)) ^ 2.0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(N[(angle / 180.0), $MachinePrecision] * Pi), $MachinePrecision]}, N[(N[Power[N[(a * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \pi\\
{\left(a \cdot \sin t\_0\right)}^{2} + {\left(b \cdot \cos t\_0\right)}^{2}
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (a b angle) :precision binary64 (let* ((t_0 (* (/ angle 180.0) PI))) (+ (pow (* a (sin t_0)) 2.0) (pow (* b (cos t_0)) 2.0))))
double code(double a, double b, double angle) {
double t_0 = (angle / 180.0) * ((double) M_PI);
return pow((a * sin(t_0)), 2.0) + pow((b * cos(t_0)), 2.0);
}
public static double code(double a, double b, double angle) {
double t_0 = (angle / 180.0) * Math.PI;
return Math.pow((a * Math.sin(t_0)), 2.0) + Math.pow((b * Math.cos(t_0)), 2.0);
}
def code(a, b, angle): t_0 = (angle / 180.0) * math.pi return math.pow((a * math.sin(t_0)), 2.0) + math.pow((b * math.cos(t_0)), 2.0)
function code(a, b, angle) t_0 = Float64(Float64(angle / 180.0) * pi) return Float64((Float64(a * sin(t_0)) ^ 2.0) + (Float64(b * cos(t_0)) ^ 2.0)) end
function tmp = code(a, b, angle) t_0 = (angle / 180.0) * pi; tmp = ((a * sin(t_0)) ^ 2.0) + ((b * cos(t_0)) ^ 2.0); end
code[a_, b_, angle_] := Block[{t$95$0 = N[(N[(angle / 180.0), $MachinePrecision] * Pi), $MachinePrecision]}, N[(N[Power[N[(a * N[Sin[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[N[(b * N[Cos[t$95$0], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{angle}{180} \cdot \pi\\
{\left(a \cdot \sin t\_0\right)}^{2} + {\left(b \cdot \cos t\_0\right)}^{2}
\end{array}
\end{array}
(FPCore (a b angle) :precision binary64 (+ (pow (* a (sin (* angle (/ PI 180.0)))) 2.0) (pow b 2.0)))
double code(double a, double b, double angle) {
return pow((a * sin((angle * (((double) M_PI) / 180.0)))), 2.0) + pow(b, 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow((a * Math.sin((angle * (Math.PI / 180.0)))), 2.0) + Math.pow(b, 2.0);
}
def code(a, b, angle): return math.pow((a * math.sin((angle * (math.pi / 180.0)))), 2.0) + math.pow(b, 2.0)
function code(a, b, angle) return Float64((Float64(a * sin(Float64(angle * Float64(pi / 180.0)))) ^ 2.0) + (b ^ 2.0)) end
function tmp = code(a, b, angle) tmp = ((a * sin((angle * (pi / 180.0)))) ^ 2.0) + (b ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[N[(a * N[Sin[N[(angle * N[(Pi / 180.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision] + N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{\left(a \cdot \sin \left(angle \cdot \frac{\pi}{180}\right)\right)}^{2} + {b}^{2}
\end{array}
Initial program 82.4%
associate-*l/82.4%
associate-/l*82.5%
cos-neg82.5%
distribute-lft-neg-out82.5%
distribute-frac-neg82.5%
distribute-frac-neg82.5%
distribute-lft-neg-out82.5%
cos-neg82.5%
associate-*l/82.5%
associate-/l*82.5%
Simplified82.5%
Taylor expanded in angle around 0 82.9%
Final simplification82.9%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (pow (* a (sin (* 0.005555555555555556 (* angle PI)))) 2.0)))
double code(double a, double b, double angle) {
return pow(b, 2.0) + pow((a * sin((0.005555555555555556 * (angle * ((double) M_PI))))), 2.0);
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + Math.pow((a * Math.sin((0.005555555555555556 * (angle * Math.PI)))), 2.0);
}
def code(a, b, angle): return math.pow(b, 2.0) + math.pow((a * math.sin((0.005555555555555556 * (angle * math.pi)))), 2.0)
function code(a, b, angle) return Float64((b ^ 2.0) + (Float64(a * sin(Float64(0.005555555555555556 * Float64(angle * pi)))) ^ 2.0)) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((a * sin((0.005555555555555556 * (angle * pi)))) ^ 2.0); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[Power[N[(a * N[Sin[N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision], 2.0], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + {\left(a \cdot \sin \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)}^{2}
\end{array}
Initial program 82.4%
associate-*l/82.4%
associate-/l*82.5%
cos-neg82.5%
distribute-lft-neg-out82.5%
distribute-frac-neg82.5%
distribute-frac-neg82.5%
distribute-lft-neg-out82.5%
cos-neg82.5%
associate-*l/82.5%
associate-/l*82.5%
Simplified82.5%
Taylor expanded in angle around 0 82.9%
Taylor expanded in angle around inf 82.9%
Final simplification82.9%
(FPCore (a b angle)
:precision binary64
(if (<= a 1e+141)
(+
(pow b 2.0)
(*
(* angle PI)
(*
0.005555555555555556
(* angle (* a (* a (* PI 0.005555555555555556)))))))
(+
(pow b 2.0)
(*
(* angle (* 0.005555555555555556 (* a PI)))
(* 0.005555555555555556 (* a (* angle PI)))))))
double code(double a, double b, double angle) {
double tmp;
if (a <= 1e+141) {
tmp = pow(b, 2.0) + ((angle * ((double) M_PI)) * (0.005555555555555556 * (angle * (a * (a * (((double) M_PI) * 0.005555555555555556))))));
} else {
tmp = pow(b, 2.0) + ((angle * (0.005555555555555556 * (a * ((double) M_PI)))) * (0.005555555555555556 * (a * (angle * ((double) M_PI)))));
}
return tmp;
}
public static double code(double a, double b, double angle) {
double tmp;
if (a <= 1e+141) {
tmp = Math.pow(b, 2.0) + ((angle * Math.PI) * (0.005555555555555556 * (angle * (a * (a * (Math.PI * 0.005555555555555556))))));
} else {
tmp = Math.pow(b, 2.0) + ((angle * (0.005555555555555556 * (a * Math.PI))) * (0.005555555555555556 * (a * (angle * Math.PI))));
}
return tmp;
}
def code(a, b, angle): tmp = 0 if a <= 1e+141: tmp = math.pow(b, 2.0) + ((angle * math.pi) * (0.005555555555555556 * (angle * (a * (a * (math.pi * 0.005555555555555556)))))) else: tmp = math.pow(b, 2.0) + ((angle * (0.005555555555555556 * (a * math.pi))) * (0.005555555555555556 * (a * (angle * math.pi)))) return tmp
function code(a, b, angle) tmp = 0.0 if (a <= 1e+141) tmp = Float64((b ^ 2.0) + Float64(Float64(angle * pi) * Float64(0.005555555555555556 * Float64(angle * Float64(a * Float64(a * Float64(pi * 0.005555555555555556))))))); else tmp = Float64((b ^ 2.0) + Float64(Float64(angle * Float64(0.005555555555555556 * Float64(a * pi))) * Float64(0.005555555555555556 * Float64(a * Float64(angle * pi))))); end return tmp end
function tmp_2 = code(a, b, angle) tmp = 0.0; if (a <= 1e+141) tmp = (b ^ 2.0) + ((angle * pi) * (0.005555555555555556 * (angle * (a * (a * (pi * 0.005555555555555556)))))); else tmp = (b ^ 2.0) + ((angle * (0.005555555555555556 * (a * pi))) * (0.005555555555555556 * (a * (angle * pi)))); end tmp_2 = tmp; end
code[a_, b_, angle_] := If[LessEqual[a, 1e+141], N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(angle * Pi), $MachinePrecision] * N[(0.005555555555555556 * N[(angle * N[(a * N[(a * N[(Pi * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(angle * N[(0.005555555555555556 * N[(a * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(0.005555555555555556 * N[(a * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq 10^{+141}:\\
\;\;\;\;{b}^{2} + \left(angle \cdot \pi\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(a \cdot \left(a \cdot \left(\pi \cdot 0.005555555555555556\right)\right)\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;{b}^{2} + \left(angle \cdot \left(0.005555555555555556 \cdot \left(a \cdot \pi\right)\right)\right) \cdot \left(0.005555555555555556 \cdot \left(a \cdot \left(angle \cdot \pi\right)\right)\right)\\
\end{array}
\end{array}
if a < 1.00000000000000002e141Initial program 80.5%
associate-*l/80.5%
associate-/l*80.6%
cos-neg80.6%
distribute-lft-neg-out80.6%
distribute-frac-neg80.6%
distribute-frac-neg80.6%
distribute-lft-neg-out80.6%
cos-neg80.6%
associate-*l/80.5%
associate-/l*80.5%
Simplified80.5%
Taylor expanded in angle around 0 81.0%
Taylor expanded in angle around 0 75.8%
unpow275.8%
associate-*r*75.9%
associate-*l*74.6%
*-commutative74.6%
*-commutative74.6%
associate-*r*74.7%
associate-*l*74.7%
Applied egg-rr74.7%
associate-*r*75.9%
*-commutative75.9%
associate-*l*76.1%
*-commutative76.1%
associate-*r*76.0%
*-commutative76.0%
associate-*l*75.4%
associate-*l*75.4%
*-commutative75.4%
*-commutative75.4%
*-commutative75.4%
associate-*r*75.4%
*-commutative75.4%
associate-*r*75.4%
*-commutative75.4%
*-commutative75.4%
*-commutative75.4%
associate-*l*75.4%
*-commutative75.4%
*-commutative75.4%
Simplified75.4%
if 1.00000000000000002e141 < a Initial program 96.5%
associate-*l/96.5%
associate-/l*96.6%
cos-neg96.6%
distribute-lft-neg-out96.6%
distribute-frac-neg96.6%
distribute-frac-neg96.6%
distribute-lft-neg-out96.6%
cos-neg96.6%
associate-*l/96.6%
associate-/l*96.6%
Simplified96.6%
Taylor expanded in angle around 0 96.6%
Taylor expanded in angle around 0 96.5%
unpow296.5%
associate-*r*96.5%
associate-*l*87.5%
*-commutative87.5%
*-commutative87.5%
associate-*r*87.6%
associate-*l*87.6%
Applied egg-rr87.6%
associate-*r*96.7%
*-commutative96.7%
associate-*l*96.6%
*-commutative96.6%
*-commutative96.6%
*-commutative96.6%
associate-*r*96.5%
*-commutative96.5%
associate-*r*96.6%
Simplified96.6%
Final simplification78.0%
(FPCore (a b angle)
:precision binary64
(if (<= angle 4e-69)
(+
(pow b 2.0)
(*
(* 0.005555555555555556 (* a (* angle PI)))
(* a (* 0.005555555555555556 (* angle PI)))))
(+
(pow b 2.0)
(*
(* angle PI)
(*
0.005555555555555556
(* angle (* a (* a (* PI 0.005555555555555556)))))))))
double code(double a, double b, double angle) {
double tmp;
if (angle <= 4e-69) {
tmp = pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * ((double) M_PI)))) * (a * (0.005555555555555556 * (angle * ((double) M_PI)))));
} else {
tmp = pow(b, 2.0) + ((angle * ((double) M_PI)) * (0.005555555555555556 * (angle * (a * (a * (((double) M_PI) * 0.005555555555555556))))));
}
return tmp;
}
public static double code(double a, double b, double angle) {
double tmp;
if (angle <= 4e-69) {
tmp = Math.pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * Math.PI))) * (a * (0.005555555555555556 * (angle * Math.PI))));
} else {
tmp = Math.pow(b, 2.0) + ((angle * Math.PI) * (0.005555555555555556 * (angle * (a * (a * (Math.PI * 0.005555555555555556))))));
}
return tmp;
}
def code(a, b, angle): tmp = 0 if angle <= 4e-69: tmp = math.pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * math.pi))) * (a * (0.005555555555555556 * (angle * math.pi)))) else: tmp = math.pow(b, 2.0) + ((angle * math.pi) * (0.005555555555555556 * (angle * (a * (a * (math.pi * 0.005555555555555556)))))) return tmp
function code(a, b, angle) tmp = 0.0 if (angle <= 4e-69) tmp = Float64((b ^ 2.0) + Float64(Float64(0.005555555555555556 * Float64(a * Float64(angle * pi))) * Float64(a * Float64(0.005555555555555556 * Float64(angle * pi))))); else tmp = Float64((b ^ 2.0) + Float64(Float64(angle * pi) * Float64(0.005555555555555556 * Float64(angle * Float64(a * Float64(a * Float64(pi * 0.005555555555555556))))))); end return tmp end
function tmp_2 = code(a, b, angle) tmp = 0.0; if (angle <= 4e-69) tmp = (b ^ 2.0) + ((0.005555555555555556 * (a * (angle * pi))) * (a * (0.005555555555555556 * (angle * pi)))); else tmp = (b ^ 2.0) + ((angle * pi) * (0.005555555555555556 * (angle * (a * (a * (pi * 0.005555555555555556)))))); end tmp_2 = tmp; end
code[a_, b_, angle_] := If[LessEqual[angle, 4e-69], N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(0.005555555555555556 * N[(a * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(a * N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(angle * Pi), $MachinePrecision] * N[(0.005555555555555556 * N[(angle * N[(a * N[(a * N[(Pi * 0.005555555555555556), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;angle \leq 4 \cdot 10^{-69}:\\
\;\;\;\;{b}^{2} + \left(0.005555555555555556 \cdot \left(a \cdot \left(angle \cdot \pi\right)\right)\right) \cdot \left(a \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;{b}^{2} + \left(angle \cdot \pi\right) \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \left(a \cdot \left(a \cdot \left(\pi \cdot 0.005555555555555556\right)\right)\right)\right)\right)\\
\end{array}
\end{array}
if angle < 3.9999999999999999e-69Initial program 87.3%
associate-*l/87.4%
associate-/l*87.4%
cos-neg87.4%
distribute-lft-neg-out87.4%
distribute-frac-neg87.4%
distribute-frac-neg87.4%
distribute-lft-neg-out87.4%
cos-neg87.4%
associate-*l/87.4%
associate-/l*87.4%
Simplified87.4%
Taylor expanded in angle around 0 87.6%
Taylor expanded in angle around 0 84.4%
unpow284.4%
associate-*r*84.5%
associate-*l*81.3%
*-commutative81.3%
*-commutative81.3%
associate-*r*81.3%
associate-*l*81.3%
Applied egg-rr81.3%
associate-*r*84.5%
*-commutative84.5%
associate-*r*84.5%
associate-*r*84.5%
associate-*r*84.4%
*-commutative84.4%
Simplified84.4%
if 3.9999999999999999e-69 < angle Initial program 71.8%
associate-*l/71.7%
associate-/l*71.9%
cos-neg71.9%
distribute-lft-neg-out71.9%
distribute-frac-neg71.9%
distribute-frac-neg71.9%
distribute-lft-neg-out71.9%
cos-neg71.9%
associate-*l/71.9%
associate-/l*71.8%
Simplified71.8%
Taylor expanded in angle around 0 72.8%
Taylor expanded in angle around 0 65.2%
unpow265.2%
associate-*r*65.2%
associate-*l*65.2%
*-commutative65.2%
*-commutative65.2%
associate-*r*65.3%
associate-*l*65.3%
Applied egg-rr65.3%
associate-*r*65.3%
*-commutative65.3%
associate-*l*65.3%
*-commutative65.3%
associate-*r*65.3%
*-commutative65.3%
associate-*l*69.2%
associate-*l*69.2%
*-commutative69.2%
*-commutative69.2%
*-commutative69.2%
associate-*r*69.2%
*-commutative69.2%
associate-*r*69.2%
*-commutative69.2%
*-commutative69.2%
*-commutative69.2%
associate-*l*69.2%
*-commutative69.2%
*-commutative69.2%
Simplified69.2%
Final simplification79.6%
(FPCore (a b angle) :precision binary64 (+ (pow b 2.0) (* (* 0.005555555555555556 (* a (* angle PI))) (* a (* 0.005555555555555556 (* angle PI))))))
double code(double a, double b, double angle) {
return pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * ((double) M_PI)))) * (a * (0.005555555555555556 * (angle * ((double) M_PI)))));
}
public static double code(double a, double b, double angle) {
return Math.pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * Math.PI))) * (a * (0.005555555555555556 * (angle * Math.PI))));
}
def code(a, b, angle): return math.pow(b, 2.0) + ((0.005555555555555556 * (a * (angle * math.pi))) * (a * (0.005555555555555556 * (angle * math.pi))))
function code(a, b, angle) return Float64((b ^ 2.0) + Float64(Float64(0.005555555555555556 * Float64(a * Float64(angle * pi))) * Float64(a * Float64(0.005555555555555556 * Float64(angle * pi))))) end
function tmp = code(a, b, angle) tmp = (b ^ 2.0) + ((0.005555555555555556 * (a * (angle * pi))) * (a * (0.005555555555555556 * (angle * pi)))); end
code[a_, b_, angle_] := N[(N[Power[b, 2.0], $MachinePrecision] + N[(N[(0.005555555555555556 * N[(a * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(a * N[(0.005555555555555556 * N[(angle * Pi), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
{b}^{2} + \left(0.005555555555555556 \cdot \left(a \cdot \left(angle \cdot \pi\right)\right)\right) \cdot \left(a \cdot \left(0.005555555555555556 \cdot \left(angle \cdot \pi\right)\right)\right)
\end{array}
Initial program 82.4%
associate-*l/82.4%
associate-/l*82.5%
cos-neg82.5%
distribute-lft-neg-out82.5%
distribute-frac-neg82.5%
distribute-frac-neg82.5%
distribute-lft-neg-out82.5%
cos-neg82.5%
associate-*l/82.5%
associate-/l*82.5%
Simplified82.5%
Taylor expanded in angle around 0 82.9%
Taylor expanded in angle around 0 78.4%
unpow278.4%
associate-*r*78.4%
associate-*l*76.2%
*-commutative76.2%
*-commutative76.2%
associate-*r*76.2%
associate-*l*76.2%
Applied egg-rr76.2%
associate-*r*78.4%
*-commutative78.4%
associate-*r*78.4%
associate-*r*78.4%
associate-*r*78.4%
*-commutative78.4%
Simplified78.4%
Final simplification78.4%
herbie shell --seed 2024106
(FPCore (a b angle)
:name "ab-angle->ABCF A"
:precision binary64
(+ (pow (* a (sin (* (/ angle 180.0) PI))) 2.0) (pow (* b (cos (* (/ angle 180.0) PI))) 2.0)))