
(FPCore (a b c) :precision binary64 (let* ((t_0 (sqrt (- (* b b) (* (* 4.0 a) c))))) (if (>= b 0.0) (/ (- (- b) t_0) (* 2.0 a)) (/ (* 2.0 c) (+ (- b) t_0)))))
double code(double a, double b, double c) {
double t_0 = sqrt(((b * b) - ((4.0 * a) * c)));
double tmp;
if (b >= 0.0) {
tmp = (-b - t_0) / (2.0 * a);
} else {
tmp = (2.0 * c) / (-b + t_0);
}
return tmp;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: t_0
real(8) :: tmp
t_0 = sqrt(((b * b) - ((4.0d0 * a) * c)))
if (b >= 0.0d0) then
tmp = (-b - t_0) / (2.0d0 * a)
else
tmp = (2.0d0 * c) / (-b + t_0)
end if
code = tmp
end function
public static double code(double a, double b, double c) {
double t_0 = Math.sqrt(((b * b) - ((4.0 * a) * c)));
double tmp;
if (b >= 0.0) {
tmp = (-b - t_0) / (2.0 * a);
} else {
tmp = (2.0 * c) / (-b + t_0);
}
return tmp;
}
def code(a, b, c): t_0 = math.sqrt(((b * b) - ((4.0 * a) * c))) tmp = 0 if b >= 0.0: tmp = (-b - t_0) / (2.0 * a) else: tmp = (2.0 * c) / (-b + t_0) return tmp
function code(a, b, c) t_0 = sqrt(Float64(Float64(b * b) - Float64(Float64(4.0 * a) * c))) tmp = 0.0 if (b >= 0.0) tmp = Float64(Float64(Float64(-b) - t_0) / Float64(2.0 * a)); else tmp = Float64(Float64(2.0 * c) / Float64(Float64(-b) + t_0)); end return tmp end
function tmp_2 = code(a, b, c) t_0 = sqrt(((b * b) - ((4.0 * a) * c))); tmp = 0.0; if (b >= 0.0) tmp = (-b - t_0) / (2.0 * a); else tmp = (2.0 * c) / (-b + t_0); end tmp_2 = tmp; end
code[a_, b_, c_] := Block[{t$95$0 = N[Sqrt[N[(N[(b * b), $MachinePrecision] - N[(N[(4.0 * a), $MachinePrecision] * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, If[GreaterEqual[b, 0.0], N[(N[((-b) - t$95$0), $MachinePrecision] / N[(2.0 * a), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * c), $MachinePrecision] / N[((-b) + t$95$0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}\\
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\frac{\left(-b\right) - t\_0}{2 \cdot a}\\
\mathbf{else}:\\
\;\;\;\;\frac{2 \cdot c}{\left(-b\right) + t\_0}\\
\end{array}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (a b c) :precision binary64 (let* ((t_0 (sqrt (- (* b b) (* (* 4.0 a) c))))) (if (>= b 0.0) (/ (- (- b) t_0) (* 2.0 a)) (/ (* 2.0 c) (+ (- b) t_0)))))
double code(double a, double b, double c) {
double t_0 = sqrt(((b * b) - ((4.0 * a) * c)));
double tmp;
if (b >= 0.0) {
tmp = (-b - t_0) / (2.0 * a);
} else {
tmp = (2.0 * c) / (-b + t_0);
}
return tmp;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: t_0
real(8) :: tmp
t_0 = sqrt(((b * b) - ((4.0d0 * a) * c)))
if (b >= 0.0d0) then
tmp = (-b - t_0) / (2.0d0 * a)
else
tmp = (2.0d0 * c) / (-b + t_0)
end if
code = tmp
end function
public static double code(double a, double b, double c) {
double t_0 = Math.sqrt(((b * b) - ((4.0 * a) * c)));
double tmp;
if (b >= 0.0) {
tmp = (-b - t_0) / (2.0 * a);
} else {
tmp = (2.0 * c) / (-b + t_0);
}
return tmp;
}
def code(a, b, c): t_0 = math.sqrt(((b * b) - ((4.0 * a) * c))) tmp = 0 if b >= 0.0: tmp = (-b - t_0) / (2.0 * a) else: tmp = (2.0 * c) / (-b + t_0) return tmp
function code(a, b, c) t_0 = sqrt(Float64(Float64(b * b) - Float64(Float64(4.0 * a) * c))) tmp = 0.0 if (b >= 0.0) tmp = Float64(Float64(Float64(-b) - t_0) / Float64(2.0 * a)); else tmp = Float64(Float64(2.0 * c) / Float64(Float64(-b) + t_0)); end return tmp end
function tmp_2 = code(a, b, c) t_0 = sqrt(((b * b) - ((4.0 * a) * c))); tmp = 0.0; if (b >= 0.0) tmp = (-b - t_0) / (2.0 * a); else tmp = (2.0 * c) / (-b + t_0); end tmp_2 = tmp; end
code[a_, b_, c_] := Block[{t$95$0 = N[Sqrt[N[(N[(b * b), $MachinePrecision] - N[(N[(4.0 * a), $MachinePrecision] * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, If[GreaterEqual[b, 0.0], N[(N[((-b) - t$95$0), $MachinePrecision] / N[(2.0 * a), $MachinePrecision]), $MachinePrecision], N[(N[(2.0 * c), $MachinePrecision] / N[((-b) + t$95$0), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt{b \cdot b - \left(4 \cdot a\right) \cdot c}\\
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\frac{\left(-b\right) - t\_0}{2 \cdot a}\\
\mathbf{else}:\\
\;\;\;\;\frac{2 \cdot c}{\left(-b\right) + t\_0}\\
\end{array}
\end{array}
(FPCore (a b c)
:precision binary64
(let* ((t_0 (sqrt (+ (* b b) (* c (* a -4.0))))))
(if (<= b -5.8e+168)
(if (>= b 0.0) (* b (/ -2.0 a)) (/ c (- 0.0 b)))
(if (<= b 1e+137)
(if (>= b 0.0) (/ (/ (+ b t_0) -2.0) a) (/ (* c 2.0) (- t_0 b)))
(- 0.0 (/ b a))))))
double code(double a, double b, double c) {
double t_0 = sqrt(((b * b) + (c * (a * -4.0))));
double tmp_1;
if (b <= -5.8e+168) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= 1e+137) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = ((b + t_0) / -2.0) / a;
} else {
tmp_3 = (c * 2.0) / (t_0 - b);
}
tmp_1 = tmp_3;
} else {
tmp_1 = 0.0 - (b / a);
}
return tmp_1;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: t_0
real(8) :: tmp
real(8) :: tmp_1
real(8) :: tmp_2
real(8) :: tmp_3
t_0 = sqrt(((b * b) + (c * (a * (-4.0d0)))))
if (b <= (-5.8d+168)) then
if (b >= 0.0d0) then
tmp_2 = b * ((-2.0d0) / a)
else
tmp_2 = c / (0.0d0 - b)
end if
tmp_1 = tmp_2
else if (b <= 1d+137) then
if (b >= 0.0d0) then
tmp_3 = ((b + t_0) / (-2.0d0)) / a
else
tmp_3 = (c * 2.0d0) / (t_0 - b)
end if
tmp_1 = tmp_3
else
tmp_1 = 0.0d0 - (b / a)
end if
code = tmp_1
end function
public static double code(double a, double b, double c) {
double t_0 = Math.sqrt(((b * b) + (c * (a * -4.0))));
double tmp_1;
if (b <= -5.8e+168) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= 1e+137) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = ((b + t_0) / -2.0) / a;
} else {
tmp_3 = (c * 2.0) / (t_0 - b);
}
tmp_1 = tmp_3;
} else {
tmp_1 = 0.0 - (b / a);
}
return tmp_1;
}
def code(a, b, c): t_0 = math.sqrt(((b * b) + (c * (a * -4.0)))) tmp_1 = 0 if b <= -5.8e+168: tmp_2 = 0 if b >= 0.0: tmp_2 = b * (-2.0 / a) else: tmp_2 = c / (0.0 - b) tmp_1 = tmp_2 elif b <= 1e+137: tmp_3 = 0 if b >= 0.0: tmp_3 = ((b + t_0) / -2.0) / a else: tmp_3 = (c * 2.0) / (t_0 - b) tmp_1 = tmp_3 else: tmp_1 = 0.0 - (b / a) return tmp_1
function code(a, b, c) t_0 = sqrt(Float64(Float64(b * b) + Float64(c * Float64(a * -4.0)))) tmp_1 = 0.0 if (b <= -5.8e+168) tmp_2 = 0.0 if (b >= 0.0) tmp_2 = Float64(b * Float64(-2.0 / a)); else tmp_2 = Float64(c / Float64(0.0 - b)); end tmp_1 = tmp_2; elseif (b <= 1e+137) tmp_3 = 0.0 if (b >= 0.0) tmp_3 = Float64(Float64(Float64(b + t_0) / -2.0) / a); else tmp_3 = Float64(Float64(c * 2.0) / Float64(t_0 - b)); end tmp_1 = tmp_3; else tmp_1 = Float64(0.0 - Float64(b / a)); end return tmp_1 end
function tmp_5 = code(a, b, c) t_0 = sqrt(((b * b) + (c * (a * -4.0)))); tmp_2 = 0.0; if (b <= -5.8e+168) tmp_3 = 0.0; if (b >= 0.0) tmp_3 = b * (-2.0 / a); else tmp_3 = c / (0.0 - b); end tmp_2 = tmp_3; elseif (b <= 1e+137) tmp_4 = 0.0; if (b >= 0.0) tmp_4 = ((b + t_0) / -2.0) / a; else tmp_4 = (c * 2.0) / (t_0 - b); end tmp_2 = tmp_4; else tmp_2 = 0.0 - (b / a); end tmp_5 = tmp_2; end
code[a_, b_, c_] := Block[{t$95$0 = N[Sqrt[N[(N[(b * b), $MachinePrecision] + N[(c * N[(a * -4.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, If[LessEqual[b, -5.8e+168], If[GreaterEqual[b, 0.0], N[(b * N[(-2.0 / a), $MachinePrecision]), $MachinePrecision], N[(c / N[(0.0 - b), $MachinePrecision]), $MachinePrecision]], If[LessEqual[b, 1e+137], If[GreaterEqual[b, 0.0], N[(N[(N[(b + t$95$0), $MachinePrecision] / -2.0), $MachinePrecision] / a), $MachinePrecision], N[(N[(c * 2.0), $MachinePrecision] / N[(t$95$0 - b), $MachinePrecision]), $MachinePrecision]], N[(0.0 - N[(b / a), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt{b \cdot b + c \cdot \left(a \cdot -4\right)}\\
\mathbf{if}\;b \leq -5.8 \cdot 10^{+168}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;b \cdot \frac{-2}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c}{0 - b}\\
\end{array}\\
\mathbf{elif}\;b \leq 10^{+137}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\frac{\frac{b + t\_0}{-2}}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c \cdot 2}{t\_0 - b}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;0 - \frac{b}{a}\\
\end{array}
\end{array}
if b < -5.8e168Initial program 30.4%
Simplified30.4%
Taylor expanded in b around inf
Simplified30.4%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f64100.0%
Simplified100.0%
flip-+N/A
+-inversesN/A
+-inversesN/A
associate-/l/N/A
metadata-evalN/A
metadata-evalN/A
distribute-neg-fracN/A
+-inversesN/A
+-inversesN/A
flip-+N/A
neg-mul-1N/A
distribute-lft-outN/A
distribute-rgt-outN/A
metadata-evalN/A
*-lowering-*.f64100.0%
Applied egg-rr100.0%
associate-*r/N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64100.0%
Applied egg-rr100.0%
if -5.8e168 < b < 1e137Initial program 89.9%
Simplified89.9%
if 1e137 < b Initial program 46.8%
Simplified46.8%
Taylor expanded in b around inf
Simplified98.2%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
--lowering--.f64N/A
sqrt-lowering-sqrt.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f6498.2%
Applied egg-rr98.2%
Taylor expanded in b around inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6498.2%
Simplified98.2%
Taylor expanded in b around 0
if-sameN/A
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6498.2%
Simplified98.2%
Final simplification92.9%
(FPCore (a b c)
:precision binary64
(let* ((t_0 (/ (* c 2.0) (- 0.0 (+ b b)))) (t_1 (sqrt (* -4.0 (* a c)))))
(if (<= b -1.38e-62)
(if (>= b 0.0) (* b (/ -2.0 a)) (/ c (- 0.0 b)))
(if (<= b -8.2e-304)
(if (>= b 0.0) (/ (/ (+ b b) -2.0) a) (/ (* c 2.0) (- t_1 b)))
(if (<= b 1.75e-78)
(if (>= b 0.0) (/ (/ (+ b t_1) -2.0) a) t_0)
(if (>= b 0.0) (- (/ c b) (/ b a)) t_0))))))
double code(double a, double b, double c) {
double t_0 = (c * 2.0) / (0.0 - (b + b));
double t_1 = sqrt((-4.0 * (a * c)));
double tmp_1;
if (b <= -1.38e-62) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= -8.2e-304) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = ((b + b) / -2.0) / a;
} else {
tmp_3 = (c * 2.0) / (t_1 - b);
}
tmp_1 = tmp_3;
} else if (b <= 1.75e-78) {
double tmp_4;
if (b >= 0.0) {
tmp_4 = ((b + t_1) / -2.0) / a;
} else {
tmp_4 = t_0;
}
tmp_1 = tmp_4;
} else if (b >= 0.0) {
tmp_1 = (c / b) - (b / a);
} else {
tmp_1 = t_0;
}
return tmp_1;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: t_0
real(8) :: t_1
real(8) :: tmp
real(8) :: tmp_1
real(8) :: tmp_2
real(8) :: tmp_3
real(8) :: tmp_4
t_0 = (c * 2.0d0) / (0.0d0 - (b + b))
t_1 = sqrt(((-4.0d0) * (a * c)))
if (b <= (-1.38d-62)) then
if (b >= 0.0d0) then
tmp_2 = b * ((-2.0d0) / a)
else
tmp_2 = c / (0.0d0 - b)
end if
tmp_1 = tmp_2
else if (b <= (-8.2d-304)) then
if (b >= 0.0d0) then
tmp_3 = ((b + b) / (-2.0d0)) / a
else
tmp_3 = (c * 2.0d0) / (t_1 - b)
end if
tmp_1 = tmp_3
else if (b <= 1.75d-78) then
if (b >= 0.0d0) then
tmp_4 = ((b + t_1) / (-2.0d0)) / a
else
tmp_4 = t_0
end if
tmp_1 = tmp_4
else if (b >= 0.0d0) then
tmp_1 = (c / b) - (b / a)
else
tmp_1 = t_0
end if
code = tmp_1
end function
public static double code(double a, double b, double c) {
double t_0 = (c * 2.0) / (0.0 - (b + b));
double t_1 = Math.sqrt((-4.0 * (a * c)));
double tmp_1;
if (b <= -1.38e-62) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= -8.2e-304) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = ((b + b) / -2.0) / a;
} else {
tmp_3 = (c * 2.0) / (t_1 - b);
}
tmp_1 = tmp_3;
} else if (b <= 1.75e-78) {
double tmp_4;
if (b >= 0.0) {
tmp_4 = ((b + t_1) / -2.0) / a;
} else {
tmp_4 = t_0;
}
tmp_1 = tmp_4;
} else if (b >= 0.0) {
tmp_1 = (c / b) - (b / a);
} else {
tmp_1 = t_0;
}
return tmp_1;
}
def code(a, b, c): t_0 = (c * 2.0) / (0.0 - (b + b)) t_1 = math.sqrt((-4.0 * (a * c))) tmp_1 = 0 if b <= -1.38e-62: tmp_2 = 0 if b >= 0.0: tmp_2 = b * (-2.0 / a) else: tmp_2 = c / (0.0 - b) tmp_1 = tmp_2 elif b <= -8.2e-304: tmp_3 = 0 if b >= 0.0: tmp_3 = ((b + b) / -2.0) / a else: tmp_3 = (c * 2.0) / (t_1 - b) tmp_1 = tmp_3 elif b <= 1.75e-78: tmp_4 = 0 if b >= 0.0: tmp_4 = ((b + t_1) / -2.0) / a else: tmp_4 = t_0 tmp_1 = tmp_4 elif b >= 0.0: tmp_1 = (c / b) - (b / a) else: tmp_1 = t_0 return tmp_1
function code(a, b, c) t_0 = Float64(Float64(c * 2.0) / Float64(0.0 - Float64(b + b))) t_1 = sqrt(Float64(-4.0 * Float64(a * c))) tmp_1 = 0.0 if (b <= -1.38e-62) tmp_2 = 0.0 if (b >= 0.0) tmp_2 = Float64(b * Float64(-2.0 / a)); else tmp_2 = Float64(c / Float64(0.0 - b)); end tmp_1 = tmp_2; elseif (b <= -8.2e-304) tmp_3 = 0.0 if (b >= 0.0) tmp_3 = Float64(Float64(Float64(b + b) / -2.0) / a); else tmp_3 = Float64(Float64(c * 2.0) / Float64(t_1 - b)); end tmp_1 = tmp_3; elseif (b <= 1.75e-78) tmp_4 = 0.0 if (b >= 0.0) tmp_4 = Float64(Float64(Float64(b + t_1) / -2.0) / a); else tmp_4 = t_0; end tmp_1 = tmp_4; elseif (b >= 0.0) tmp_1 = Float64(Float64(c / b) - Float64(b / a)); else tmp_1 = t_0; end return tmp_1 end
function tmp_6 = code(a, b, c) t_0 = (c * 2.0) / (0.0 - (b + b)); t_1 = sqrt((-4.0 * (a * c))); tmp_2 = 0.0; if (b <= -1.38e-62) tmp_3 = 0.0; if (b >= 0.0) tmp_3 = b * (-2.0 / a); else tmp_3 = c / (0.0 - b); end tmp_2 = tmp_3; elseif (b <= -8.2e-304) tmp_4 = 0.0; if (b >= 0.0) tmp_4 = ((b + b) / -2.0) / a; else tmp_4 = (c * 2.0) / (t_1 - b); end tmp_2 = tmp_4; elseif (b <= 1.75e-78) tmp_5 = 0.0; if (b >= 0.0) tmp_5 = ((b + t_1) / -2.0) / a; else tmp_5 = t_0; end tmp_2 = tmp_5; elseif (b >= 0.0) tmp_2 = (c / b) - (b / a); else tmp_2 = t_0; end tmp_6 = tmp_2; end
code[a_, b_, c_] := Block[{t$95$0 = N[(N[(c * 2.0), $MachinePrecision] / N[(0.0 - N[(b + b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[Sqrt[N[(-4.0 * N[(a * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, If[LessEqual[b, -1.38e-62], If[GreaterEqual[b, 0.0], N[(b * N[(-2.0 / a), $MachinePrecision]), $MachinePrecision], N[(c / N[(0.0 - b), $MachinePrecision]), $MachinePrecision]], If[LessEqual[b, -8.2e-304], If[GreaterEqual[b, 0.0], N[(N[(N[(b + b), $MachinePrecision] / -2.0), $MachinePrecision] / a), $MachinePrecision], N[(N[(c * 2.0), $MachinePrecision] / N[(t$95$1 - b), $MachinePrecision]), $MachinePrecision]], If[LessEqual[b, 1.75e-78], If[GreaterEqual[b, 0.0], N[(N[(N[(b + t$95$1), $MachinePrecision] / -2.0), $MachinePrecision] / a), $MachinePrecision], t$95$0], If[GreaterEqual[b, 0.0], N[(N[(c / b), $MachinePrecision] - N[(b / a), $MachinePrecision]), $MachinePrecision], t$95$0]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{c \cdot 2}{0 - \left(b + b\right)}\\
t_1 := \sqrt{-4 \cdot \left(a \cdot c\right)}\\
\mathbf{if}\;b \leq -1.38 \cdot 10^{-62}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;b \cdot \frac{-2}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c}{0 - b}\\
\end{array}\\
\mathbf{elif}\;b \leq -8.2 \cdot 10^{-304}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\frac{\frac{b + b}{-2}}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c \cdot 2}{t\_1 - b}\\
\end{array}\\
\mathbf{elif}\;b \leq 1.75 \cdot 10^{-78}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\frac{\frac{b + t\_1}{-2}}{a}\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}\\
\mathbf{elif}\;b \geq 0:\\
\;\;\;\;\frac{c}{b} - \frac{b}{a}\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if b < -1.38e-62Initial program 73.2%
Simplified73.2%
Taylor expanded in b around inf
Simplified73.2%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6491.5%
Simplified91.5%
flip-+N/A
+-inversesN/A
+-inversesN/A
associate-/l/N/A
metadata-evalN/A
metadata-evalN/A
distribute-neg-fracN/A
+-inversesN/A
+-inversesN/A
flip-+N/A
neg-mul-1N/A
distribute-lft-outN/A
distribute-rgt-outN/A
metadata-evalN/A
*-lowering-*.f6491.5%
Applied egg-rr91.5%
associate-*r/N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f6491.5%
Applied egg-rr91.5%
if -1.38e-62 < b < -8.20000000000000005e-304Initial program 84.4%
Simplified84.4%
Taylor expanded in b around inf
Simplified84.4%
Taylor expanded in b around 0
*-lowering-*.f64N/A
*-lowering-*.f6472.9%
Simplified72.9%
if -8.20000000000000005e-304 < b < 1.75e-78Initial program 73.4%
Simplified73.4%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f6473.4%
Simplified73.4%
Taylor expanded in b around 0
*-lowering-*.f64N/A
*-lowering-*.f6470.5%
Simplified70.5%
if 1.75e-78 < b Initial program 68.5%
Simplified68.5%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f6468.5%
Simplified68.5%
Taylor expanded in c around 0
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
--lowering--.f64N/A
/-lowering-/.f64N/A
/-lowering-/.f6490.8%
Simplified90.8%
Final simplification85.8%
(FPCore (a b c)
:precision binary64
(let* ((t_0 (/ (* c 2.0) (- 0.0 (+ b b)))))
(if (<= b -1.88e-62)
(if (>= b 0.0) (* b (/ -2.0 a)) (/ c (- 0.0 b)))
(if (<= b -8.2e-304)
(if (>= b 0.0)
(/ (/ (+ b b) -2.0) a)
(/ (* c 2.0) (- (sqrt (* -4.0 (* a c))) b)))
(if (<= b 1.45e-81)
(if (>= b 0.0) (* (/ -0.5 a) (+ b (sqrt (* a (* c -4.0))))) t_0)
(if (>= b 0.0) (- (/ c b) (/ b a)) t_0))))))
double code(double a, double b, double c) {
double t_0 = (c * 2.0) / (0.0 - (b + b));
double tmp_1;
if (b <= -1.88e-62) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= -8.2e-304) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = ((b + b) / -2.0) / a;
} else {
tmp_3 = (c * 2.0) / (sqrt((-4.0 * (a * c))) - b);
}
tmp_1 = tmp_3;
} else if (b <= 1.45e-81) {
double tmp_4;
if (b >= 0.0) {
tmp_4 = (-0.5 / a) * (b + sqrt((a * (c * -4.0))));
} else {
tmp_4 = t_0;
}
tmp_1 = tmp_4;
} else if (b >= 0.0) {
tmp_1 = (c / b) - (b / a);
} else {
tmp_1 = t_0;
}
return tmp_1;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: t_0
real(8) :: tmp
real(8) :: tmp_1
real(8) :: tmp_2
real(8) :: tmp_3
real(8) :: tmp_4
t_0 = (c * 2.0d0) / (0.0d0 - (b + b))
if (b <= (-1.88d-62)) then
if (b >= 0.0d0) then
tmp_2 = b * ((-2.0d0) / a)
else
tmp_2 = c / (0.0d0 - b)
end if
tmp_1 = tmp_2
else if (b <= (-8.2d-304)) then
if (b >= 0.0d0) then
tmp_3 = ((b + b) / (-2.0d0)) / a
else
tmp_3 = (c * 2.0d0) / (sqrt(((-4.0d0) * (a * c))) - b)
end if
tmp_1 = tmp_3
else if (b <= 1.45d-81) then
if (b >= 0.0d0) then
tmp_4 = ((-0.5d0) / a) * (b + sqrt((a * (c * (-4.0d0)))))
else
tmp_4 = t_0
end if
tmp_1 = tmp_4
else if (b >= 0.0d0) then
tmp_1 = (c / b) - (b / a)
else
tmp_1 = t_0
end if
code = tmp_1
end function
public static double code(double a, double b, double c) {
double t_0 = (c * 2.0) / (0.0 - (b + b));
double tmp_1;
if (b <= -1.88e-62) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= -8.2e-304) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = ((b + b) / -2.0) / a;
} else {
tmp_3 = (c * 2.0) / (Math.sqrt((-4.0 * (a * c))) - b);
}
tmp_1 = tmp_3;
} else if (b <= 1.45e-81) {
double tmp_4;
if (b >= 0.0) {
tmp_4 = (-0.5 / a) * (b + Math.sqrt((a * (c * -4.0))));
} else {
tmp_4 = t_0;
}
tmp_1 = tmp_4;
} else if (b >= 0.0) {
tmp_1 = (c / b) - (b / a);
} else {
tmp_1 = t_0;
}
return tmp_1;
}
def code(a, b, c): t_0 = (c * 2.0) / (0.0 - (b + b)) tmp_1 = 0 if b <= -1.88e-62: tmp_2 = 0 if b >= 0.0: tmp_2 = b * (-2.0 / a) else: tmp_2 = c / (0.0 - b) tmp_1 = tmp_2 elif b <= -8.2e-304: tmp_3 = 0 if b >= 0.0: tmp_3 = ((b + b) / -2.0) / a else: tmp_3 = (c * 2.0) / (math.sqrt((-4.0 * (a * c))) - b) tmp_1 = tmp_3 elif b <= 1.45e-81: tmp_4 = 0 if b >= 0.0: tmp_4 = (-0.5 / a) * (b + math.sqrt((a * (c * -4.0)))) else: tmp_4 = t_0 tmp_1 = tmp_4 elif b >= 0.0: tmp_1 = (c / b) - (b / a) else: tmp_1 = t_0 return tmp_1
function code(a, b, c) t_0 = Float64(Float64(c * 2.0) / Float64(0.0 - Float64(b + b))) tmp_1 = 0.0 if (b <= -1.88e-62) tmp_2 = 0.0 if (b >= 0.0) tmp_2 = Float64(b * Float64(-2.0 / a)); else tmp_2 = Float64(c / Float64(0.0 - b)); end tmp_1 = tmp_2; elseif (b <= -8.2e-304) tmp_3 = 0.0 if (b >= 0.0) tmp_3 = Float64(Float64(Float64(b + b) / -2.0) / a); else tmp_3 = Float64(Float64(c * 2.0) / Float64(sqrt(Float64(-4.0 * Float64(a * c))) - b)); end tmp_1 = tmp_3; elseif (b <= 1.45e-81) tmp_4 = 0.0 if (b >= 0.0) tmp_4 = Float64(Float64(-0.5 / a) * Float64(b + sqrt(Float64(a * Float64(c * -4.0))))); else tmp_4 = t_0; end tmp_1 = tmp_4; elseif (b >= 0.0) tmp_1 = Float64(Float64(c / b) - Float64(b / a)); else tmp_1 = t_0; end return tmp_1 end
function tmp_6 = code(a, b, c) t_0 = (c * 2.0) / (0.0 - (b + b)); tmp_2 = 0.0; if (b <= -1.88e-62) tmp_3 = 0.0; if (b >= 0.0) tmp_3 = b * (-2.0 / a); else tmp_3 = c / (0.0 - b); end tmp_2 = tmp_3; elseif (b <= -8.2e-304) tmp_4 = 0.0; if (b >= 0.0) tmp_4 = ((b + b) / -2.0) / a; else tmp_4 = (c * 2.0) / (sqrt((-4.0 * (a * c))) - b); end tmp_2 = tmp_4; elseif (b <= 1.45e-81) tmp_5 = 0.0; if (b >= 0.0) tmp_5 = (-0.5 / a) * (b + sqrt((a * (c * -4.0)))); else tmp_5 = t_0; end tmp_2 = tmp_5; elseif (b >= 0.0) tmp_2 = (c / b) - (b / a); else tmp_2 = t_0; end tmp_6 = tmp_2; end
code[a_, b_, c_] := Block[{t$95$0 = N[(N[(c * 2.0), $MachinePrecision] / N[(0.0 - N[(b + b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[b, -1.88e-62], If[GreaterEqual[b, 0.0], N[(b * N[(-2.0 / a), $MachinePrecision]), $MachinePrecision], N[(c / N[(0.0 - b), $MachinePrecision]), $MachinePrecision]], If[LessEqual[b, -8.2e-304], If[GreaterEqual[b, 0.0], N[(N[(N[(b + b), $MachinePrecision] / -2.0), $MachinePrecision] / a), $MachinePrecision], N[(N[(c * 2.0), $MachinePrecision] / N[(N[Sqrt[N[(-4.0 * N[(a * c), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - b), $MachinePrecision]), $MachinePrecision]], If[LessEqual[b, 1.45e-81], If[GreaterEqual[b, 0.0], N[(N[(-0.5 / a), $MachinePrecision] * N[(b + N[Sqrt[N[(a * N[(c * -4.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0], If[GreaterEqual[b, 0.0], N[(N[(c / b), $MachinePrecision] - N[(b / a), $MachinePrecision]), $MachinePrecision], t$95$0]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{c \cdot 2}{0 - \left(b + b\right)}\\
\mathbf{if}\;b \leq -1.88 \cdot 10^{-62}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;b \cdot \frac{-2}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c}{0 - b}\\
\end{array}\\
\mathbf{elif}\;b \leq -8.2 \cdot 10^{-304}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\frac{\frac{b + b}{-2}}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c \cdot 2}{\sqrt{-4 \cdot \left(a \cdot c\right)} - b}\\
\end{array}\\
\mathbf{elif}\;b \leq 1.45 \cdot 10^{-81}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\frac{-0.5}{a} \cdot \left(b + \sqrt{a \cdot \left(c \cdot -4\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}\\
\mathbf{elif}\;b \geq 0:\\
\;\;\;\;\frac{c}{b} - \frac{b}{a}\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if b < -1.88e-62Initial program 73.2%
Simplified73.2%
Taylor expanded in b around inf
Simplified73.2%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6491.5%
Simplified91.5%
flip-+N/A
+-inversesN/A
+-inversesN/A
associate-/l/N/A
metadata-evalN/A
metadata-evalN/A
distribute-neg-fracN/A
+-inversesN/A
+-inversesN/A
flip-+N/A
neg-mul-1N/A
distribute-lft-outN/A
distribute-rgt-outN/A
metadata-evalN/A
*-lowering-*.f6491.5%
Applied egg-rr91.5%
associate-*r/N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f6491.5%
Applied egg-rr91.5%
if -1.88e-62 < b < -8.20000000000000005e-304Initial program 84.4%
Simplified84.4%
Taylor expanded in b around inf
Simplified84.4%
Taylor expanded in b around 0
*-lowering-*.f64N/A
*-lowering-*.f6472.9%
Simplified72.9%
if -8.20000000000000005e-304 < b < 1.44999999999999994e-81Initial program 73.4%
Simplified73.4%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f6473.4%
Simplified73.4%
Taylor expanded in b around 0
*-lowering-*.f64N/A
*-lowering-*.f6470.5%
Simplified70.5%
div-invN/A
associate-/l*N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
associate-*r*N/A
*-commutativeN/A
*-commutativeN/A
sqrt-lowering-sqrt.f64N/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
metadata-eval70.3%
Applied egg-rr70.3%
if 1.44999999999999994e-81 < b Initial program 68.5%
Simplified68.5%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f6468.5%
Simplified68.5%
Taylor expanded in c around 0
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
--lowering--.f64N/A
/-lowering-/.f64N/A
/-lowering-/.f6490.8%
Simplified90.8%
Final simplification85.8%
(FPCore (a b c)
:precision binary64
(let* ((t_0 (sqrt (+ (* b b) (* c (* a -4.0))))))
(if (<= b -5.8e+168)
(if (>= b 0.0) (* b (/ -2.0 a)) (/ c (- 0.0 b)))
(if (<= b 7.5e+139)
(if (>= b 0.0) (* (+ b t_0) (/ -0.5 a)) (/ (* c 2.0) (- t_0 b)))
(- 0.0 (/ b a))))))
double code(double a, double b, double c) {
double t_0 = sqrt(((b * b) + (c * (a * -4.0))));
double tmp_1;
if (b <= -5.8e+168) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= 7.5e+139) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = (b + t_0) * (-0.5 / a);
} else {
tmp_3 = (c * 2.0) / (t_0 - b);
}
tmp_1 = tmp_3;
} else {
tmp_1 = 0.0 - (b / a);
}
return tmp_1;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: t_0
real(8) :: tmp
real(8) :: tmp_1
real(8) :: tmp_2
real(8) :: tmp_3
t_0 = sqrt(((b * b) + (c * (a * (-4.0d0)))))
if (b <= (-5.8d+168)) then
if (b >= 0.0d0) then
tmp_2 = b * ((-2.0d0) / a)
else
tmp_2 = c / (0.0d0 - b)
end if
tmp_1 = tmp_2
else if (b <= 7.5d+139) then
if (b >= 0.0d0) then
tmp_3 = (b + t_0) * ((-0.5d0) / a)
else
tmp_3 = (c * 2.0d0) / (t_0 - b)
end if
tmp_1 = tmp_3
else
tmp_1 = 0.0d0 - (b / a)
end if
code = tmp_1
end function
public static double code(double a, double b, double c) {
double t_0 = Math.sqrt(((b * b) + (c * (a * -4.0))));
double tmp_1;
if (b <= -5.8e+168) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= 7.5e+139) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = (b + t_0) * (-0.5 / a);
} else {
tmp_3 = (c * 2.0) / (t_0 - b);
}
tmp_1 = tmp_3;
} else {
tmp_1 = 0.0 - (b / a);
}
return tmp_1;
}
def code(a, b, c): t_0 = math.sqrt(((b * b) + (c * (a * -4.0)))) tmp_1 = 0 if b <= -5.8e+168: tmp_2 = 0 if b >= 0.0: tmp_2 = b * (-2.0 / a) else: tmp_2 = c / (0.0 - b) tmp_1 = tmp_2 elif b <= 7.5e+139: tmp_3 = 0 if b >= 0.0: tmp_3 = (b + t_0) * (-0.5 / a) else: tmp_3 = (c * 2.0) / (t_0 - b) tmp_1 = tmp_3 else: tmp_1 = 0.0 - (b / a) return tmp_1
function code(a, b, c) t_0 = sqrt(Float64(Float64(b * b) + Float64(c * Float64(a * -4.0)))) tmp_1 = 0.0 if (b <= -5.8e+168) tmp_2 = 0.0 if (b >= 0.0) tmp_2 = Float64(b * Float64(-2.0 / a)); else tmp_2 = Float64(c / Float64(0.0 - b)); end tmp_1 = tmp_2; elseif (b <= 7.5e+139) tmp_3 = 0.0 if (b >= 0.0) tmp_3 = Float64(Float64(b + t_0) * Float64(-0.5 / a)); else tmp_3 = Float64(Float64(c * 2.0) / Float64(t_0 - b)); end tmp_1 = tmp_3; else tmp_1 = Float64(0.0 - Float64(b / a)); end return tmp_1 end
function tmp_5 = code(a, b, c) t_0 = sqrt(((b * b) + (c * (a * -4.0)))); tmp_2 = 0.0; if (b <= -5.8e+168) tmp_3 = 0.0; if (b >= 0.0) tmp_3 = b * (-2.0 / a); else tmp_3 = c / (0.0 - b); end tmp_2 = tmp_3; elseif (b <= 7.5e+139) tmp_4 = 0.0; if (b >= 0.0) tmp_4 = (b + t_0) * (-0.5 / a); else tmp_4 = (c * 2.0) / (t_0 - b); end tmp_2 = tmp_4; else tmp_2 = 0.0 - (b / a); end tmp_5 = tmp_2; end
code[a_, b_, c_] := Block[{t$95$0 = N[Sqrt[N[(N[(b * b), $MachinePrecision] + N[(c * N[(a * -4.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, If[LessEqual[b, -5.8e+168], If[GreaterEqual[b, 0.0], N[(b * N[(-2.0 / a), $MachinePrecision]), $MachinePrecision], N[(c / N[(0.0 - b), $MachinePrecision]), $MachinePrecision]], If[LessEqual[b, 7.5e+139], If[GreaterEqual[b, 0.0], N[(N[(b + t$95$0), $MachinePrecision] * N[(-0.5 / a), $MachinePrecision]), $MachinePrecision], N[(N[(c * 2.0), $MachinePrecision] / N[(t$95$0 - b), $MachinePrecision]), $MachinePrecision]], N[(0.0 - N[(b / a), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \sqrt{b \cdot b + c \cdot \left(a \cdot -4\right)}\\
\mathbf{if}\;b \leq -5.8 \cdot 10^{+168}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;b \cdot \frac{-2}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c}{0 - b}\\
\end{array}\\
\mathbf{elif}\;b \leq 7.5 \cdot 10^{+139}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\left(b + t\_0\right) \cdot \frac{-0.5}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c \cdot 2}{t\_0 - b}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;0 - \frac{b}{a}\\
\end{array}
\end{array}
if b < -5.8e168Initial program 30.4%
Simplified30.4%
Taylor expanded in b around inf
Simplified30.4%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f64100.0%
Simplified100.0%
flip-+N/A
+-inversesN/A
+-inversesN/A
associate-/l/N/A
metadata-evalN/A
metadata-evalN/A
distribute-neg-fracN/A
+-inversesN/A
+-inversesN/A
flip-+N/A
neg-mul-1N/A
distribute-lft-outN/A
distribute-rgt-outN/A
metadata-evalN/A
*-lowering-*.f64100.0%
Applied egg-rr100.0%
associate-*r/N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64100.0%
Applied egg-rr100.0%
if -5.8e168 < b < 7.49999999999999992e139Initial program 89.9%
Simplified89.9%
associate-/l/N/A
clear-numN/A
associate-/r/N/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
metadata-evalN/A
+-lowering-+.f64N/A
sqrt-lowering-sqrt.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f6489.8%
Applied egg-rr89.8%
if 7.49999999999999992e139 < b Initial program 46.8%
Simplified46.8%
Taylor expanded in b around inf
Simplified98.2%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
--lowering--.f64N/A
sqrt-lowering-sqrt.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f6498.2%
Applied egg-rr98.2%
Taylor expanded in b around inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6498.2%
Simplified98.2%
Taylor expanded in b around 0
if-sameN/A
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6498.2%
Simplified98.2%
Final simplification92.8%
(FPCore (a b c)
:precision binary64
(if (<= b -1.2e+76)
(if (>= b 0.0) (* b (/ -2.0 a)) (/ c (- 0.0 b)))
(if (<= b 4.5e+139)
(if (>= b 0.0)
(* (+ b (sqrt (+ (* b b) (* c (* a -4.0))))) (/ -0.5 a))
(* c (/ 2.0 (- (sqrt (+ (* b b) (* a (* c -4.0)))) b))))
(- 0.0 (/ b a)))))
double code(double a, double b, double c) {
double tmp_1;
if (b <= -1.2e+76) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= 4.5e+139) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = (b + sqrt(((b * b) + (c * (a * -4.0))))) * (-0.5 / a);
} else {
tmp_3 = c * (2.0 / (sqrt(((b * b) + (a * (c * -4.0)))) - b));
}
tmp_1 = tmp_3;
} else {
tmp_1 = 0.0 - (b / a);
}
return tmp_1;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: tmp
real(8) :: tmp_1
real(8) :: tmp_2
real(8) :: tmp_3
if (b <= (-1.2d+76)) then
if (b >= 0.0d0) then
tmp_2 = b * ((-2.0d0) / a)
else
tmp_2 = c / (0.0d0 - b)
end if
tmp_1 = tmp_2
else if (b <= 4.5d+139) then
if (b >= 0.0d0) then
tmp_3 = (b + sqrt(((b * b) + (c * (a * (-4.0d0)))))) * ((-0.5d0) / a)
else
tmp_3 = c * (2.0d0 / (sqrt(((b * b) + (a * (c * (-4.0d0))))) - b))
end if
tmp_1 = tmp_3
else
tmp_1 = 0.0d0 - (b / a)
end if
code = tmp_1
end function
public static double code(double a, double b, double c) {
double tmp_1;
if (b <= -1.2e+76) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else if (b <= 4.5e+139) {
double tmp_3;
if (b >= 0.0) {
tmp_3 = (b + Math.sqrt(((b * b) + (c * (a * -4.0))))) * (-0.5 / a);
} else {
tmp_3 = c * (2.0 / (Math.sqrt(((b * b) + (a * (c * -4.0)))) - b));
}
tmp_1 = tmp_3;
} else {
tmp_1 = 0.0 - (b / a);
}
return tmp_1;
}
def code(a, b, c): tmp_1 = 0 if b <= -1.2e+76: tmp_2 = 0 if b >= 0.0: tmp_2 = b * (-2.0 / a) else: tmp_2 = c / (0.0 - b) tmp_1 = tmp_2 elif b <= 4.5e+139: tmp_3 = 0 if b >= 0.0: tmp_3 = (b + math.sqrt(((b * b) + (c * (a * -4.0))))) * (-0.5 / a) else: tmp_3 = c * (2.0 / (math.sqrt(((b * b) + (a * (c * -4.0)))) - b)) tmp_1 = tmp_3 else: tmp_1 = 0.0 - (b / a) return tmp_1
function code(a, b, c) tmp_1 = 0.0 if (b <= -1.2e+76) tmp_2 = 0.0 if (b >= 0.0) tmp_2 = Float64(b * Float64(-2.0 / a)); else tmp_2 = Float64(c / Float64(0.0 - b)); end tmp_1 = tmp_2; elseif (b <= 4.5e+139) tmp_3 = 0.0 if (b >= 0.0) tmp_3 = Float64(Float64(b + sqrt(Float64(Float64(b * b) + Float64(c * Float64(a * -4.0))))) * Float64(-0.5 / a)); else tmp_3 = Float64(c * Float64(2.0 / Float64(sqrt(Float64(Float64(b * b) + Float64(a * Float64(c * -4.0)))) - b))); end tmp_1 = tmp_3; else tmp_1 = Float64(0.0 - Float64(b / a)); end return tmp_1 end
function tmp_5 = code(a, b, c) tmp_2 = 0.0; if (b <= -1.2e+76) tmp_3 = 0.0; if (b >= 0.0) tmp_3 = b * (-2.0 / a); else tmp_3 = c / (0.0 - b); end tmp_2 = tmp_3; elseif (b <= 4.5e+139) tmp_4 = 0.0; if (b >= 0.0) tmp_4 = (b + sqrt(((b * b) + (c * (a * -4.0))))) * (-0.5 / a); else tmp_4 = c * (2.0 / (sqrt(((b * b) + (a * (c * -4.0)))) - b)); end tmp_2 = tmp_4; else tmp_2 = 0.0 - (b / a); end tmp_5 = tmp_2; end
code[a_, b_, c_] := If[LessEqual[b, -1.2e+76], If[GreaterEqual[b, 0.0], N[(b * N[(-2.0 / a), $MachinePrecision]), $MachinePrecision], N[(c / N[(0.0 - b), $MachinePrecision]), $MachinePrecision]], If[LessEqual[b, 4.5e+139], If[GreaterEqual[b, 0.0], N[(N[(b + N[Sqrt[N[(N[(b * b), $MachinePrecision] + N[(c * N[(a * -4.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * N[(-0.5 / a), $MachinePrecision]), $MachinePrecision], N[(c * N[(2.0 / N[(N[Sqrt[N[(N[(b * b), $MachinePrecision] + N[(a * N[(c * -4.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision] - b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], N[(0.0 - N[(b / a), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \leq -1.2 \cdot 10^{+76}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;b \cdot \frac{-2}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c}{0 - b}\\
\end{array}\\
\mathbf{elif}\;b \leq 4.5 \cdot 10^{+139}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\left(b + \sqrt{b \cdot b + c \cdot \left(a \cdot -4\right)}\right) \cdot \frac{-0.5}{a}\\
\mathbf{else}:\\
\;\;\;\;c \cdot \frac{2}{\sqrt{b \cdot b + a \cdot \left(c \cdot -4\right)} - b}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;0 - \frac{b}{a}\\
\end{array}
\end{array}
if b < -1.2e76Initial program 61.1%
Simplified61.1%
Taylor expanded in b around inf
Simplified61.1%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f64100.0%
Simplified100.0%
flip-+N/A
+-inversesN/A
+-inversesN/A
associate-/l/N/A
metadata-evalN/A
metadata-evalN/A
distribute-neg-fracN/A
+-inversesN/A
+-inversesN/A
flip-+N/A
neg-mul-1N/A
distribute-lft-outN/A
distribute-rgt-outN/A
metadata-evalN/A
*-lowering-*.f64100.0%
Applied egg-rr100.0%
associate-*r/N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64100.0%
Applied egg-rr100.0%
if -1.2e76 < b < 4.4999999999999999e139Initial program 88.1%
Simplified88.1%
associate-/l/N/A
clear-numN/A
associate-/r/N/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-/r*N/A
/-lowering-/.f64N/A
metadata-evalN/A
+-lowering-+.f64N/A
sqrt-lowering-sqrt.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f6488.0%
Applied egg-rr88.0%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
--lowering--.f64N/A
sqrt-lowering-sqrt.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f6487.9%
Applied egg-rr87.9%
if 4.4999999999999999e139 < b Initial program 46.8%
Simplified46.8%
Taylor expanded in b around inf
Simplified98.2%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
--lowering--.f64N/A
sqrt-lowering-sqrt.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f6498.2%
Applied egg-rr98.2%
Taylor expanded in b around inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6498.2%
Simplified98.2%
Taylor expanded in b around 0
if-sameN/A
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6498.2%
Simplified98.2%
Final simplification92.8%
(FPCore (a b c)
:precision binary64
(let* ((t_0 (/ (* c 2.0) (- 0.0 (+ b b)))))
(if (<= b 1.9e-82)
(if (>= b 0.0) (* (/ -0.5 a) (+ b (sqrt (* a (* c -4.0))))) t_0)
(if (>= b 0.0) (- (/ c b) (/ b a)) t_0))))
double code(double a, double b, double c) {
double t_0 = (c * 2.0) / (0.0 - (b + b));
double tmp_1;
if (b <= 1.9e-82) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = (-0.5 / a) * (b + sqrt((a * (c * -4.0))));
} else {
tmp_2 = t_0;
}
tmp_1 = tmp_2;
} else if (b >= 0.0) {
tmp_1 = (c / b) - (b / a);
} else {
tmp_1 = t_0;
}
return tmp_1;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: t_0
real(8) :: tmp
real(8) :: tmp_1
real(8) :: tmp_2
t_0 = (c * 2.0d0) / (0.0d0 - (b + b))
if (b <= 1.9d-82) then
if (b >= 0.0d0) then
tmp_2 = ((-0.5d0) / a) * (b + sqrt((a * (c * (-4.0d0)))))
else
tmp_2 = t_0
end if
tmp_1 = tmp_2
else if (b >= 0.0d0) then
tmp_1 = (c / b) - (b / a)
else
tmp_1 = t_0
end if
code = tmp_1
end function
public static double code(double a, double b, double c) {
double t_0 = (c * 2.0) / (0.0 - (b + b));
double tmp_1;
if (b <= 1.9e-82) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = (-0.5 / a) * (b + Math.sqrt((a * (c * -4.0))));
} else {
tmp_2 = t_0;
}
tmp_1 = tmp_2;
} else if (b >= 0.0) {
tmp_1 = (c / b) - (b / a);
} else {
tmp_1 = t_0;
}
return tmp_1;
}
def code(a, b, c): t_0 = (c * 2.0) / (0.0 - (b + b)) tmp_1 = 0 if b <= 1.9e-82: tmp_2 = 0 if b >= 0.0: tmp_2 = (-0.5 / a) * (b + math.sqrt((a * (c * -4.0)))) else: tmp_2 = t_0 tmp_1 = tmp_2 elif b >= 0.0: tmp_1 = (c / b) - (b / a) else: tmp_1 = t_0 return tmp_1
function code(a, b, c) t_0 = Float64(Float64(c * 2.0) / Float64(0.0 - Float64(b + b))) tmp_1 = 0.0 if (b <= 1.9e-82) tmp_2 = 0.0 if (b >= 0.0) tmp_2 = Float64(Float64(-0.5 / a) * Float64(b + sqrt(Float64(a * Float64(c * -4.0))))); else tmp_2 = t_0; end tmp_1 = tmp_2; elseif (b >= 0.0) tmp_1 = Float64(Float64(c / b) - Float64(b / a)); else tmp_1 = t_0; end return tmp_1 end
function tmp_4 = code(a, b, c) t_0 = (c * 2.0) / (0.0 - (b + b)); tmp_2 = 0.0; if (b <= 1.9e-82) tmp_3 = 0.0; if (b >= 0.0) tmp_3 = (-0.5 / a) * (b + sqrt((a * (c * -4.0)))); else tmp_3 = t_0; end tmp_2 = tmp_3; elseif (b >= 0.0) tmp_2 = (c / b) - (b / a); else tmp_2 = t_0; end tmp_4 = tmp_2; end
code[a_, b_, c_] := Block[{t$95$0 = N[(N[(c * 2.0), $MachinePrecision] / N[(0.0 - N[(b + b), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[b, 1.9e-82], If[GreaterEqual[b, 0.0], N[(N[(-0.5 / a), $MachinePrecision] * N[(b + N[Sqrt[N[(a * N[(c * -4.0), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], t$95$0], If[GreaterEqual[b, 0.0], N[(N[(c / b), $MachinePrecision] - N[(b / a), $MachinePrecision]), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \frac{c \cdot 2}{0 - \left(b + b\right)}\\
\mathbf{if}\;b \leq 1.9 \cdot 10^{-82}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;\frac{-0.5}{a} \cdot \left(b + \sqrt{a \cdot \left(c \cdot -4\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}\\
\mathbf{elif}\;b \geq 0:\\
\;\;\;\;\frac{c}{b} - \frac{b}{a}\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if b < 1.9000000000000001e-82Initial program 76.2%
Simplified76.2%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f6467.9%
Simplified67.9%
Taylor expanded in b around 0
*-lowering-*.f64N/A
*-lowering-*.f6467.4%
Simplified67.4%
div-invN/A
associate-/l*N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
associate-*r*N/A
*-commutativeN/A
*-commutativeN/A
sqrt-lowering-sqrt.f64N/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
metadata-eval67.4%
Applied egg-rr67.4%
if 1.9000000000000001e-82 < b Initial program 68.5%
Simplified68.5%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f6468.5%
Simplified68.5%
Taylor expanded in c around 0
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
--lowering--.f64N/A
/-lowering-/.f64N/A
/-lowering-/.f6490.8%
Simplified90.8%
Final simplification75.7%
(FPCore (a b c) :precision binary64 (if (<= b 2.1e-251) (if (>= b 0.0) (* b (/ -2.0 a)) (/ c (- 0.0 b))) (- 0.0 (/ b a))))
double code(double a, double b, double c) {
double tmp_1;
if (b <= 2.1e-251) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else {
tmp_1 = 0.0 - (b / a);
}
return tmp_1;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: tmp
real(8) :: tmp_1
real(8) :: tmp_2
if (b <= 2.1d-251) then
if (b >= 0.0d0) then
tmp_2 = b * ((-2.0d0) / a)
else
tmp_2 = c / (0.0d0 - b)
end if
tmp_1 = tmp_2
else
tmp_1 = 0.0d0 - (b / a)
end if
code = tmp_1
end function
public static double code(double a, double b, double c) {
double tmp_1;
if (b <= 2.1e-251) {
double tmp_2;
if (b >= 0.0) {
tmp_2 = b * (-2.0 / a);
} else {
tmp_2 = c / (0.0 - b);
}
tmp_1 = tmp_2;
} else {
tmp_1 = 0.0 - (b / a);
}
return tmp_1;
}
def code(a, b, c): tmp_1 = 0 if b <= 2.1e-251: tmp_2 = 0 if b >= 0.0: tmp_2 = b * (-2.0 / a) else: tmp_2 = c / (0.0 - b) tmp_1 = tmp_2 else: tmp_1 = 0.0 - (b / a) return tmp_1
function code(a, b, c) tmp_1 = 0.0 if (b <= 2.1e-251) tmp_2 = 0.0 if (b >= 0.0) tmp_2 = Float64(b * Float64(-2.0 / a)); else tmp_2 = Float64(c / Float64(0.0 - b)); end tmp_1 = tmp_2; else tmp_1 = Float64(0.0 - Float64(b / a)); end return tmp_1 end
function tmp_4 = code(a, b, c) tmp_2 = 0.0; if (b <= 2.1e-251) tmp_3 = 0.0; if (b >= 0.0) tmp_3 = b * (-2.0 / a); else tmp_3 = c / (0.0 - b); end tmp_2 = tmp_3; else tmp_2 = 0.0 - (b / a); end tmp_4 = tmp_2; end
code[a_, b_, c_] := If[LessEqual[b, 2.1e-251], If[GreaterEqual[b, 0.0], N[(b * N[(-2.0 / a), $MachinePrecision]), $MachinePrecision], N[(c / N[(0.0 - b), $MachinePrecision]), $MachinePrecision]], N[(0.0 - N[(b / a), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \leq 2.1 \cdot 10^{-251}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;b \cdot \frac{-2}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c}{0 - b}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;0 - \frac{b}{a}\\
\end{array}
\end{array}
if b < 2.09999999999999982e-251Initial program 76.6%
Simplified76.6%
Taylor expanded in b around inf
Simplified71.4%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6462.8%
Simplified62.8%
flip-+N/A
+-inversesN/A
+-inversesN/A
associate-/l/N/A
metadata-evalN/A
metadata-evalN/A
distribute-neg-fracN/A
+-inversesN/A
+-inversesN/A
flip-+N/A
neg-mul-1N/A
distribute-lft-outN/A
distribute-rgt-outN/A
metadata-evalN/A
*-lowering-*.f6462.8%
Applied egg-rr62.8%
associate-*r/N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f6462.8%
Applied egg-rr62.8%
if 2.09999999999999982e-251 < b Initial program 69.2%
Simplified69.2%
Taylor expanded in b around inf
Simplified79.9%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
--lowering--.f64N/A
sqrt-lowering-sqrt.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f6479.9%
Applied egg-rr79.9%
Taylor expanded in b around inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6479.9%
Simplified79.9%
Taylor expanded in b around 0
if-sameN/A
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6479.9%
Simplified79.9%
Final simplification70.0%
(FPCore (a b c) :precision binary64 (if (>= b 0.0) (- 0.0 (/ b a)) (/ c (- 0.0 b))))
double code(double a, double b, double c) {
double tmp;
if (b >= 0.0) {
tmp = 0.0 - (b / a);
} else {
tmp = c / (0.0 - b);
}
return tmp;
}
real(8) function code(a, b, c)
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8), intent (in) :: c
real(8) :: tmp
if (b >= 0.0d0) then
tmp = 0.0d0 - (b / a)
else
tmp = c / (0.0d0 - b)
end if
code = tmp
end function
public static double code(double a, double b, double c) {
double tmp;
if (b >= 0.0) {
tmp = 0.0 - (b / a);
} else {
tmp = c / (0.0 - b);
}
return tmp;
}
def code(a, b, c): tmp = 0 if b >= 0.0: tmp = 0.0 - (b / a) else: tmp = c / (0.0 - b) return tmp
function code(a, b, c) tmp = 0.0 if (b >= 0.0) tmp = Float64(0.0 - Float64(b / a)); else tmp = Float64(c / Float64(0.0 - b)); end return tmp end
function tmp_2 = code(a, b, c) tmp = 0.0; if (b >= 0.0) tmp = 0.0 - (b / a); else tmp = c / (0.0 - b); end tmp_2 = tmp; end
code[a_, b_, c_] := If[GreaterEqual[b, 0.0], N[(0.0 - N[(b / a), $MachinePrecision]), $MachinePrecision], N[(c / N[(0.0 - b), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \geq 0:\\
\;\;\;\;0 - \frac{b}{a}\\
\mathbf{else}:\\
\;\;\;\;\frac{c}{0 - b}\\
\end{array}
\end{array}
Initial program 73.5%
Simplified73.5%
Taylor expanded in b around inf
Simplified75.0%
Taylor expanded in b around -inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6470.0%
Simplified70.0%
Taylor expanded in b around 0
mul-1-negN/A
neg-sub0N/A
--lowering--.f6470.0%
Simplified70.0%
Final simplification70.0%
(FPCore (a b c) :precision binary64 (- 0.0 (/ b a)))
double code(double a, double b, double c) {
return 0.0 - (b / a);
}
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 - (b / a)
end function
public static double code(double a, double b, double c) {
return 0.0 - (b / a);
}
def code(a, b, c): return 0.0 - (b / a)
function code(a, b, c) return Float64(0.0 - Float64(b / a)) end
function tmp = code(a, b, c) tmp = 0.0 - (b / a); end
code[a_, b_, c_] := N[(0.0 - N[(b / a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
0 - \frac{b}{a}
\end{array}
Initial program 73.5%
Simplified73.5%
Taylor expanded in b around inf
Simplified75.0%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
--lowering--.f64N/A
sqrt-lowering-sqrt.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
*-commutativeN/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
*-lowering-*.f6474.9%
Applied egg-rr74.9%
Taylor expanded in b around inf
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6435.4%
Simplified35.4%
Taylor expanded in b around 0
if-sameN/A
mul-1-negN/A
neg-sub0N/A
--lowering--.f64N/A
/-lowering-/.f6435.4%
Simplified35.4%
herbie shell --seed 2024191
(FPCore (a b c)
:name "jeff quadratic root 1"
:precision binary64
(if (>= b 0.0) (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a)) (/ (* 2.0 c) (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))))