
(FPCore (a b c) :precision binary64 (/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))
double code(double a, double b, double c) {
return (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (-b + sqrt(((b * b) - ((4.0d0 * a) * c)))) / (2.0d0 * a)
end function
public static double code(double a, double b, double c) {
return (-b + Math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
def code(a, b, c): return (-b + math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a)
function code(a, b, c) return Float64(Float64(Float64(-b) + sqrt(Float64(Float64(b * b) - Float64(Float64(4.0 * a) * c)))) / Float64(2.0 * a)) end
function tmp = code(a, b, c) tmp = (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a); end
code[a_, b_, c_] := N[(N[((-b) + N[Sqrt[N[(N[(b * b), $MachinePrecision] - N[(N[(4.0 * a), $MachinePrecision] * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(2.0 * a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 13 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (a b c) :precision binary64 (/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))
double code(double a, double b, double c) {
return (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (-b + sqrt(((b * b) - ((4.0d0 * a) * c)))) / (2.0d0 * a)
end function
public static double code(double a, double b, double c) {
return (-b + Math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a);
}
def code(a, b, c): return (-b + math.sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a)
function code(a, b, c) return Float64(Float64(Float64(-b) + sqrt(Float64(Float64(b * b) - Float64(Float64(4.0 * a) * c)))) / Float64(2.0 * a)) end
function tmp = code(a, b, c) tmp = (-b + sqrt(((b * b) - ((4.0 * a) * c)))) / (2.0 * a); end
code[a_, b_, c_] := N[(N[((-b) + N[Sqrt[N[(N[(b * b), $MachinePrecision] - N[(N[(4.0 * a), $MachinePrecision] * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] / N[(2.0 * a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\left(-b\right) + \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}}{2 \cdot a}
\end{array}
(FPCore (a b c)
:precision binary64
(/
(fma
-2.0
(* (pow a 2.0) (/ (pow c 3.0) (pow b 4.0)))
(-
(fma
-0.25
(* (/ (* (pow a 4.0) (pow c 4.0)) a) (/ 20.0 (pow b 6.0)))
(* a (/ (- (pow c 2.0)) (pow b 2.0))))
c))
b))
double code(double a, double b, double c) {
return fma(-2.0, (pow(a, 2.0) * (pow(c, 3.0) / pow(b, 4.0))), (fma(-0.25, (((pow(a, 4.0) * pow(c, 4.0)) / a) * (20.0 / pow(b, 6.0))), (a * (-pow(c, 2.0) / pow(b, 2.0)))) - c)) / b;
}
function code(a, b, c) return Float64(fma(-2.0, Float64((a ^ 2.0) * Float64((c ^ 3.0) / (b ^ 4.0))), Float64(fma(-0.25, Float64(Float64(Float64((a ^ 4.0) * (c ^ 4.0)) / a) * Float64(20.0 / (b ^ 6.0))), Float64(a * Float64(Float64(-(c ^ 2.0)) / (b ^ 2.0)))) - c)) / b) end
code[a_, b_, c_] := N[(N[(-2.0 * N[(N[Power[a, 2.0], $MachinePrecision] * N[(N[Power[c, 3.0], $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(-0.25 * N[(N[(N[(N[Power[a, 4.0], $MachinePrecision] * N[Power[c, 4.0], $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision] * N[(20.0 / N[Power[b, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(a * N[((-N[Power[c, 2.0], $MachinePrecision]) / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - c), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{\mathsf{fma}\left(-2, {a}^{2} \cdot \frac{{c}^{3}}{{b}^{4}}, \mathsf{fma}\left(-0.25, \frac{{a}^{4} \cdot {c}^{4}}{a} \cdot \frac{20}{{b}^{6}}, a \cdot \frac{-{c}^{2}}{{b}^{2}}\right) - c\right)}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 98.2%
Simplified98.2%
Final simplification98.2%
(FPCore (a b c)
:precision binary64
(/
(+
(* -5.0 (/ (* (pow c 4.0) (pow a 3.0)) (pow b 6.0)))
(-
(* -2.0 (/ (* (pow a 2.0) (pow c 3.0)) (pow b 4.0)))
(+ c (/ (* a (pow c 2.0)) (pow b 2.0)))))
b))
double code(double a, double b, double c) {
return ((-5.0 * ((pow(c, 4.0) * pow(a, 3.0)) / pow(b, 6.0))) + ((-2.0 * ((pow(a, 2.0) * pow(c, 3.0)) / pow(b, 4.0))) - (c + ((a * pow(c, 2.0)) / pow(b, 2.0))))) / b;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (((-5.0d0) * (((c ** 4.0d0) * (a ** 3.0d0)) / (b ** 6.0d0))) + (((-2.0d0) * (((a ** 2.0d0) * (c ** 3.0d0)) / (b ** 4.0d0))) - (c + ((a * (c ** 2.0d0)) / (b ** 2.0d0))))) / b
end function
public static double code(double a, double b, double c) {
return ((-5.0 * ((Math.pow(c, 4.0) * Math.pow(a, 3.0)) / Math.pow(b, 6.0))) + ((-2.0 * ((Math.pow(a, 2.0) * Math.pow(c, 3.0)) / Math.pow(b, 4.0))) - (c + ((a * Math.pow(c, 2.0)) / Math.pow(b, 2.0))))) / b;
}
def code(a, b, c): return ((-5.0 * ((math.pow(c, 4.0) * math.pow(a, 3.0)) / math.pow(b, 6.0))) + ((-2.0 * ((math.pow(a, 2.0) * math.pow(c, 3.0)) / math.pow(b, 4.0))) - (c + ((a * math.pow(c, 2.0)) / math.pow(b, 2.0))))) / b
function code(a, b, c) return Float64(Float64(Float64(-5.0 * Float64(Float64((c ^ 4.0) * (a ^ 3.0)) / (b ^ 6.0))) + Float64(Float64(-2.0 * Float64(Float64((a ^ 2.0) * (c ^ 3.0)) / (b ^ 4.0))) - Float64(c + Float64(Float64(a * (c ^ 2.0)) / (b ^ 2.0))))) / b) end
function tmp = code(a, b, c) tmp = ((-5.0 * (((c ^ 4.0) * (a ^ 3.0)) / (b ^ 6.0))) + ((-2.0 * (((a ^ 2.0) * (c ^ 3.0)) / (b ^ 4.0))) - (c + ((a * (c ^ 2.0)) / (b ^ 2.0))))) / b; end
code[a_, b_, c_] := N[(N[(N[(-5.0 * N[(N[(N[Power[c, 4.0], $MachinePrecision] * N[Power[a, 3.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(-2.0 * N[(N[(N[Power[a, 2.0], $MachinePrecision] * N[Power[c, 3.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(c + N[(N[(a * N[Power[c, 2.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{-5 \cdot \frac{{c}^{4} \cdot {a}^{3}}{{b}^{6}} + \left(-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} - \left(c + \frac{a \cdot {c}^{2}}{{b}^{2}}\right)\right)}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 98.2%
Simplified98.2%
Taylor expanded in b around inf 98.2%
Final simplification98.2%
(FPCore (a b c)
:precision binary64
(/
(+
(-
(- (/ (* (pow c 3.0) (* -2.0 (pow a 2.0))) (pow b 4.0)) c)
(* a (* (/ c b) (/ c b))))
(* -5.0 (* (pow a 3.0) (/ (pow c 4.0) (pow b 6.0)))))
b))
double code(double a, double b, double c) {
return (((((pow(c, 3.0) * (-2.0 * pow(a, 2.0))) / pow(b, 4.0)) - c) - (a * ((c / b) * (c / b)))) + (-5.0 * (pow(a, 3.0) * (pow(c, 4.0) / pow(b, 6.0))))) / b;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = ((((((c ** 3.0d0) * ((-2.0d0) * (a ** 2.0d0))) / (b ** 4.0d0)) - c) - (a * ((c / b) * (c / b)))) + ((-5.0d0) * ((a ** 3.0d0) * ((c ** 4.0d0) / (b ** 6.0d0))))) / b
end function
public static double code(double a, double b, double c) {
return (((((Math.pow(c, 3.0) * (-2.0 * Math.pow(a, 2.0))) / Math.pow(b, 4.0)) - c) - (a * ((c / b) * (c / b)))) + (-5.0 * (Math.pow(a, 3.0) * (Math.pow(c, 4.0) / Math.pow(b, 6.0))))) / b;
}
def code(a, b, c): return (((((math.pow(c, 3.0) * (-2.0 * math.pow(a, 2.0))) / math.pow(b, 4.0)) - c) - (a * ((c / b) * (c / b)))) + (-5.0 * (math.pow(a, 3.0) * (math.pow(c, 4.0) / math.pow(b, 6.0))))) / b
function code(a, b, c) return Float64(Float64(Float64(Float64(Float64(Float64((c ^ 3.0) * Float64(-2.0 * (a ^ 2.0))) / (b ^ 4.0)) - c) - Float64(a * Float64(Float64(c / b) * Float64(c / b)))) + Float64(-5.0 * Float64((a ^ 3.0) * Float64((c ^ 4.0) / (b ^ 6.0))))) / b) end
function tmp = code(a, b, c) tmp = ((((((c ^ 3.0) * (-2.0 * (a ^ 2.0))) / (b ^ 4.0)) - c) - (a * ((c / b) * (c / b)))) + (-5.0 * ((a ^ 3.0) * ((c ^ 4.0) / (b ^ 6.0))))) / b; end
code[a_, b_, c_] := N[(N[(N[(N[(N[(N[(N[Power[c, 3.0], $MachinePrecision] * N[(-2.0 * N[Power[a, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision] - c), $MachinePrecision] - N[(a * N[(N[(c / b), $MachinePrecision] * N[(c / b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(-5.0 * N[(N[Power[a, 3.0], $MachinePrecision] * N[(N[Power[c, 4.0], $MachinePrecision] / N[Power[b, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{\left(\left(\frac{{c}^{3} \cdot \left(-2 \cdot {a}^{2}\right)}{{b}^{4}} - c\right) - a \cdot \left(\frac{c}{b} \cdot \frac{c}{b}\right)\right) + -5 \cdot \left({a}^{3} \cdot \frac{{c}^{4}}{{b}^{6}}\right)}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 98.2%
Simplified98.2%
Taylor expanded in b around inf 98.2%
+-commutative98.2%
*-un-lft-identity98.2%
fma-define98.2%
Applied egg-rr98.2%
Simplified98.2%
unpow298.2%
distribute-frac-neg298.2%
distribute-frac-neg298.2%
Applied egg-rr98.2%
Final simplification98.2%
(FPCore (a b c)
:precision binary64
(/
(*
c
(+
-1.0
(*
c
(-
(*
c
(+
(* -5.0 (/ (* c (pow a 3.0)) (pow b 6.0)))
(* -2.0 (/ (pow a 2.0) (pow b 4.0)))))
(/ a (pow b 2.0))))))
b))
double code(double a, double b, double c) {
return (c * (-1.0 + (c * ((c * ((-5.0 * ((c * pow(a, 3.0)) / pow(b, 6.0))) + (-2.0 * (pow(a, 2.0) / pow(b, 4.0))))) - (a / pow(b, 2.0)))))) / b;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (c * ((-1.0d0) + (c * ((c * (((-5.0d0) * ((c * (a ** 3.0d0)) / (b ** 6.0d0))) + ((-2.0d0) * ((a ** 2.0d0) / (b ** 4.0d0))))) - (a / (b ** 2.0d0)))))) / b
end function
public static double code(double a, double b, double c) {
return (c * (-1.0 + (c * ((c * ((-5.0 * ((c * Math.pow(a, 3.0)) / Math.pow(b, 6.0))) + (-2.0 * (Math.pow(a, 2.0) / Math.pow(b, 4.0))))) - (a / Math.pow(b, 2.0)))))) / b;
}
def code(a, b, c): return (c * (-1.0 + (c * ((c * ((-5.0 * ((c * math.pow(a, 3.0)) / math.pow(b, 6.0))) + (-2.0 * (math.pow(a, 2.0) / math.pow(b, 4.0))))) - (a / math.pow(b, 2.0)))))) / b
function code(a, b, c) return Float64(Float64(c * Float64(-1.0 + Float64(c * Float64(Float64(c * Float64(Float64(-5.0 * Float64(Float64(c * (a ^ 3.0)) / (b ^ 6.0))) + Float64(-2.0 * Float64((a ^ 2.0) / (b ^ 4.0))))) - Float64(a / (b ^ 2.0)))))) / b) end
function tmp = code(a, b, c) tmp = (c * (-1.0 + (c * ((c * ((-5.0 * ((c * (a ^ 3.0)) / (b ^ 6.0))) + (-2.0 * ((a ^ 2.0) / (b ^ 4.0))))) - (a / (b ^ 2.0)))))) / b; end
code[a_, b_, c_] := N[(N[(c * N[(-1.0 + N[(c * N[(N[(c * N[(N[(-5.0 * N[(N[(c * N[Power[a, 3.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 6.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(-2.0 * N[(N[Power[a, 2.0], $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(a / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{c \cdot \left(-1 + c \cdot \left(c \cdot \left(-5 \cdot \frac{c \cdot {a}^{3}}{{b}^{6}} + -2 \cdot \frac{{a}^{2}}{{b}^{4}}\right) - \frac{a}{{b}^{2}}\right)\right)}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 98.2%
Simplified98.2%
Taylor expanded in b around inf 98.2%
+-commutative98.2%
*-un-lft-identity98.2%
fma-define98.2%
Applied egg-rr98.2%
Simplified98.2%
Taylor expanded in c around 0 98.2%
Final simplification98.2%
(FPCore (a b c) :precision binary64 (/ (- (* -2.0 (/ (* (pow a 2.0) (pow c 3.0)) (pow b 4.0))) (+ c (/ (* a (pow c 2.0)) (pow b 2.0)))) b))
double code(double a, double b, double c) {
return ((-2.0 * ((pow(a, 2.0) * pow(c, 3.0)) / pow(b, 4.0))) - (c + ((a * pow(c, 2.0)) / pow(b, 2.0)))) / b;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (((-2.0d0) * (((a ** 2.0d0) * (c ** 3.0d0)) / (b ** 4.0d0))) - (c + ((a * (c ** 2.0d0)) / (b ** 2.0d0)))) / b
end function
public static double code(double a, double b, double c) {
return ((-2.0 * ((Math.pow(a, 2.0) * Math.pow(c, 3.0)) / Math.pow(b, 4.0))) - (c + ((a * Math.pow(c, 2.0)) / Math.pow(b, 2.0)))) / b;
}
def code(a, b, c): return ((-2.0 * ((math.pow(a, 2.0) * math.pow(c, 3.0)) / math.pow(b, 4.0))) - (c + ((a * math.pow(c, 2.0)) / math.pow(b, 2.0)))) / b
function code(a, b, c) return Float64(Float64(Float64(-2.0 * Float64(Float64((a ^ 2.0) * (c ^ 3.0)) / (b ^ 4.0))) - Float64(c + Float64(Float64(a * (c ^ 2.0)) / (b ^ 2.0)))) / b) end
function tmp = code(a, b, c) tmp = ((-2.0 * (((a ^ 2.0) * (c ^ 3.0)) / (b ^ 4.0))) - (c + ((a * (c ^ 2.0)) / (b ^ 2.0)))) / b; end
code[a_, b_, c_] := N[(N[(N[(-2.0 * N[(N[(N[Power[a, 2.0], $MachinePrecision] * N[Power[c, 3.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(c + N[(N[(a * N[Power[c, 2.0], $MachinePrecision]), $MachinePrecision] / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{-2 \cdot \frac{{a}^{2} \cdot {c}^{3}}{{b}^{4}} - \left(c + \frac{a \cdot {c}^{2}}{{b}^{2}}\right)}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 97.5%
Final simplification97.5%
(FPCore (a b c)
:precision binary64
(/
(*
c
(+
-1.0
(* c (- (* -2.0 (/ (* (pow a 2.0) c) (pow b 4.0))) (/ a (pow b 2.0))))))
b))
double code(double a, double b, double c) {
return (c * (-1.0 + (c * ((-2.0 * ((pow(a, 2.0) * c) / pow(b, 4.0))) - (a / pow(b, 2.0)))))) / b;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (c * ((-1.0d0) + (c * (((-2.0d0) * (((a ** 2.0d0) * c) / (b ** 4.0d0))) - (a / (b ** 2.0d0)))))) / b
end function
public static double code(double a, double b, double c) {
return (c * (-1.0 + (c * ((-2.0 * ((Math.pow(a, 2.0) * c) / Math.pow(b, 4.0))) - (a / Math.pow(b, 2.0)))))) / b;
}
def code(a, b, c): return (c * (-1.0 + (c * ((-2.0 * ((math.pow(a, 2.0) * c) / math.pow(b, 4.0))) - (a / math.pow(b, 2.0)))))) / b
function code(a, b, c) return Float64(Float64(c * Float64(-1.0 + Float64(c * Float64(Float64(-2.0 * Float64(Float64((a ^ 2.0) * c) / (b ^ 4.0))) - Float64(a / (b ^ 2.0)))))) / b) end
function tmp = code(a, b, c) tmp = (c * (-1.0 + (c * ((-2.0 * (((a ^ 2.0) * c) / (b ^ 4.0))) - (a / (b ^ 2.0)))))) / b; end
code[a_, b_, c_] := N[(N[(c * N[(-1.0 + N[(c * N[(N[(-2.0 * N[(N[(N[Power[a, 2.0], $MachinePrecision] * c), $MachinePrecision] / N[Power[b, 4.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(a / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{c \cdot \left(-1 + c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{4}} - \frac{a}{{b}^{2}}\right)\right)}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 98.2%
Simplified98.2%
Taylor expanded in c around 0 97.5%
Final simplification97.5%
(FPCore (a b c) :precision binary64 (- (* a (* (pow c 3.0) (+ (* -2.0 (/ a (pow b 5.0))) (/ -1.0 (* c (pow b 3.0)))))) (/ c b)))
double code(double a, double b, double c) {
return (a * (pow(c, 3.0) * ((-2.0 * (a / pow(b, 5.0))) + (-1.0 / (c * pow(b, 3.0)))))) - (c / b);
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (a * ((c ** 3.0d0) * (((-2.0d0) * (a / (b ** 5.0d0))) + ((-1.0d0) / (c * (b ** 3.0d0)))))) - (c / b)
end function
public static double code(double a, double b, double c) {
return (a * (Math.pow(c, 3.0) * ((-2.0 * (a / Math.pow(b, 5.0))) + (-1.0 / (c * Math.pow(b, 3.0)))))) - (c / b);
}
def code(a, b, c): return (a * (math.pow(c, 3.0) * ((-2.0 * (a / math.pow(b, 5.0))) + (-1.0 / (c * math.pow(b, 3.0)))))) - (c / b)
function code(a, b, c) return Float64(Float64(a * Float64((c ^ 3.0) * Float64(Float64(-2.0 * Float64(a / (b ^ 5.0))) + Float64(-1.0 / Float64(c * (b ^ 3.0)))))) - Float64(c / b)) end
function tmp = code(a, b, c) tmp = (a * ((c ^ 3.0) * ((-2.0 * (a / (b ^ 5.0))) + (-1.0 / (c * (b ^ 3.0)))))) - (c / b); end
code[a_, b_, c_] := N[(N[(a * N[(N[Power[c, 3.0], $MachinePrecision] * N[(N[(-2.0 * N[(a / N[Power[b, 5.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(-1.0 / N[(c * N[Power[b, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(c / b), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
a \cdot \left({c}^{3} \cdot \left(-2 \cdot \frac{a}{{b}^{5}} + \frac{-1}{c \cdot {b}^{3}}\right)\right) - \frac{c}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in a around 0 97.5%
Taylor expanded in c around inf 97.5%
Final simplification97.5%
(FPCore (a b c) :precision binary64 (* c (+ (* c (- (* -2.0 (/ (* (pow a 2.0) c) (pow b 5.0))) (/ a (pow b 3.0)))) (/ -1.0 b))))
double code(double a, double b, double c) {
return c * ((c * ((-2.0 * ((pow(a, 2.0) * c) / pow(b, 5.0))) - (a / pow(b, 3.0)))) + (-1.0 / b));
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = c * ((c * (((-2.0d0) * (((a ** 2.0d0) * c) / (b ** 5.0d0))) - (a / (b ** 3.0d0)))) + ((-1.0d0) / b))
end function
public static double code(double a, double b, double c) {
return c * ((c * ((-2.0 * ((Math.pow(a, 2.0) * c) / Math.pow(b, 5.0))) - (a / Math.pow(b, 3.0)))) + (-1.0 / b));
}
def code(a, b, c): return c * ((c * ((-2.0 * ((math.pow(a, 2.0) * c) / math.pow(b, 5.0))) - (a / math.pow(b, 3.0)))) + (-1.0 / b))
function code(a, b, c) return Float64(c * Float64(Float64(c * Float64(Float64(-2.0 * Float64(Float64((a ^ 2.0) * c) / (b ^ 5.0))) - Float64(a / (b ^ 3.0)))) + Float64(-1.0 / b))) end
function tmp = code(a, b, c) tmp = c * ((c * ((-2.0 * (((a ^ 2.0) * c) / (b ^ 5.0))) - (a / (b ^ 3.0)))) + (-1.0 / b)); end
code[a_, b_, c_] := N[(c * N[(N[(c * N[(N[(-2.0 * N[(N[(N[Power[a, 2.0], $MachinePrecision] * c), $MachinePrecision] / N[Power[b, 5.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - N[(a / N[Power[b, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(-1.0 / b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
c \cdot \left(c \cdot \left(-2 \cdot \frac{{a}^{2} \cdot c}{{b}^{5}} - \frac{a}{{b}^{3}}\right) + \frac{-1}{b}\right)
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in c around 0 97.1%
Final simplification97.1%
(FPCore (a b c) :precision binary64 (/ (- (* a (/ (- (pow c 2.0)) (pow b 2.0))) c) b))
double code(double a, double b, double c) {
return ((a * (-pow(c, 2.0) / pow(b, 2.0))) - c) / b;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = ((a * (-(c ** 2.0d0) / (b ** 2.0d0))) - c) / b
end function
public static double code(double a, double b, double c) {
return ((a * (-Math.pow(c, 2.0) / Math.pow(b, 2.0))) - c) / b;
}
def code(a, b, c): return ((a * (-math.pow(c, 2.0) / math.pow(b, 2.0))) - c) / b
function code(a, b, c) return Float64(Float64(Float64(a * Float64(Float64(-(c ^ 2.0)) / (b ^ 2.0))) - c) / b) end
function tmp = code(a, b, c) tmp = ((a * (-(c ^ 2.0) / (b ^ 2.0))) - c) / b; end
code[a_, b_, c_] := N[(N[(N[(a * N[((-N[Power[c, 2.0], $MachinePrecision]) / N[Power[b, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] - c), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{a \cdot \frac{-{c}^{2}}{{b}^{2}} - c}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 95.9%
mul-1-neg95.9%
unsub-neg95.9%
mul-1-neg95.9%
associate-/l*95.9%
Simplified95.9%
Final simplification95.9%
(FPCore (a b c) :precision binary64 (/ (* c (- -1.0 (* (pow b -2.0) (* a c)))) b))
double code(double a, double b, double c) {
return (c * (-1.0 - (pow(b, -2.0) * (a * c)))) / b;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = (c * ((-1.0d0) - ((b ** (-2.0d0)) * (a * c)))) / b
end function
public static double code(double a, double b, double c) {
return (c * (-1.0 - (Math.pow(b, -2.0) * (a * c)))) / b;
}
def code(a, b, c): return (c * (-1.0 - (math.pow(b, -2.0) * (a * c)))) / b
function code(a, b, c) return Float64(Float64(c * Float64(-1.0 - Float64((b ^ -2.0) * Float64(a * c)))) / b) end
function tmp = code(a, b, c) tmp = (c * (-1.0 - ((b ^ -2.0) * (a * c)))) / b; end
code[a_, b_, c_] := N[(N[(c * N[(-1.0 - N[(N[Power[b, -2.0], $MachinePrecision] * N[(a * c), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / b), $MachinePrecision]
\begin{array}{l}
\\
\frac{c \cdot \left(-1 - {b}^{-2} \cdot \left(a \cdot c\right)\right)}{b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 98.2%
Simplified98.2%
Taylor expanded in c around 0 95.9%
pow195.9%
mul-1-neg95.9%
div-inv95.9%
pow-flip95.9%
metadata-eval95.9%
Applied egg-rr95.9%
unpow195.9%
distribute-lft-neg-in95.9%
*-commutative95.9%
distribute-rgt-neg-in95.9%
Simplified95.9%
Final simplification95.9%
(FPCore (a b c) :precision binary64 (* c (- (/ -1.0 b) (* a (/ c (pow b 3.0))))))
double code(double a, double b, double c) {
return c * ((-1.0 / b) - (a * (c / pow(b, 3.0))));
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = c * (((-1.0d0) / b) - (a * (c / (b ** 3.0d0))))
end function
public static double code(double a, double b, double c) {
return c * ((-1.0 / b) - (a * (c / Math.pow(b, 3.0))));
}
def code(a, b, c): return c * ((-1.0 / b) - (a * (c / math.pow(b, 3.0))))
function code(a, b, c) return Float64(c * Float64(Float64(-1.0 / b) - Float64(a * Float64(c / (b ^ 3.0))))) end
function tmp = code(a, b, c) tmp = c * ((-1.0 / b) - (a * (c / (b ^ 3.0)))); end
code[a_, b_, c_] := N[(c * N[(N[(-1.0 / b), $MachinePrecision] - N[(a * N[(c / N[Power[b, 3.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
c \cdot \left(\frac{-1}{b} - a \cdot \frac{c}{{b}^{3}}\right)
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 98.2%
Simplified98.2%
Taylor expanded in c around 0 95.5%
sub-neg95.5%
mul-1-neg95.5%
distribute-neg-out95.5%
+-commutative95.5%
distribute-neg-out95.5%
unsub-neg95.5%
distribute-neg-frac95.5%
metadata-eval95.5%
associate-/l*95.5%
Simplified95.5%
(FPCore (a b c) :precision binary64 (/ c (- b)))
double code(double a, double b, double c) {
return c / -b;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = c / -b
end function
public static double code(double a, double b, double c) {
return c / -b;
}
def code(a, b, c): return c / -b
function code(a, b, c) return Float64(c / Float64(-b)) end
function tmp = code(a, b, c) tmp = c / -b; end
code[a_, b_, c_] := N[(c / (-b)), $MachinePrecision]
\begin{array}{l}
\\
\frac{c}{-b}
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 90.7%
associate-*r/90.7%
mul-1-neg90.7%
Simplified90.7%
Final simplification90.7%
(FPCore (a b c) :precision binary64 0.0)
double code(double a, double b, double c) {
return 0.0;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
code = 0.0d0
end function
public static double code(double a, double b, double c) {
return 0.0;
}
def code(a, b, c): return 0.0
function code(a, b, c) return 0.0 end
function tmp = code(a, b, c) tmp = 0.0; end
code[a_, b_, c_] := 0.0
\begin{array}{l}
\\
0
\end{array}
Initial program 17.7%
*-commutative17.7%
Simplified17.7%
Taylor expanded in b around inf 90.7%
associate-*r/90.7%
mul-1-neg90.7%
Simplified90.7%
distribute-frac-neg90.7%
mul-1-neg90.7%
expm1-log1p-u80.0%
expm1-undefine19.7%
mul-1-neg19.7%
distribute-frac-neg19.7%
Applied egg-rr19.7%
sub-neg19.7%
log1p-undefine19.7%
rem-exp-log30.4%
distribute-frac-neg30.4%
unsub-neg30.4%
metadata-eval30.4%
Simplified30.4%
Taylor expanded in c around 0 3.3%
Final simplification3.3%
herbie shell --seed 2024156
(FPCore (a b c)
:name "Quadratic roots, wide range"
:precision binary64
:pre (and (and (and (< 4.930380657631324e-32 a) (< a 2.028240960365167e+31)) (and (< 4.930380657631324e-32 b) (< b 2.028240960365167e+31))) (and (< 4.930380657631324e-32 c) (< c 2.028240960365167e+31)))
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)))