Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, J

Average Accuracy: 67.7% → 90.5%

Time: 36.4s

Precision: binary64

Cost: 6352

\[ \begin{array}{c}[x, y] = \mathsf{sort}([x, y])\\ [t, a] = \mathsf{sort}([t, a])\\ \end{array} \]

Math

\[\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \]

↓

\[\begin{array}{l} t_1 := \frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c}\\ t_2 := a \cdot \left(t \cdot -4\right)\\ t_3 := \frac{t_2 + 9 \cdot \frac{y}{\frac{z}{x}}}{c}\\ \mathbf{if}\;t_1 \leq -\infty:\\ \;\;\;\;t_3\\ \mathbf{elif}\;t_1 \leq -2 \cdot 10^{-46}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t_1 \leq 10^{-138}:\\ \;\;\;\;\frac{t_2 + \frac{b + x \cdot \left(9 \cdot y\right)}{z}}{c}\\ \mathbf{elif}\;t_1 \leq 2 \cdot 10^{+299}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;t_3\\ \end{array} \]

FPCore

(FPCore (x y z t a b c)
 :precision binary64
 (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c)))

↓

(FPCore (x y z t a b c)
 :precision binary64
 (let* ((t_1 (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c)))
        (t_2 (* a (* t -4.0)))
        (t_3 (/ (+ t_2 (* 9.0 (/ y (/ z x)))) c)))
   (if (<= t_1 (- INFINITY))
     t_3
     (if (<= t_1 -2e-46)
       t_1
       (if (<= t_1 1e-138)
         (/ (+ t_2 (/ (+ b (* x (* 9.0 y))) z)) c)
         (if (<= t_1 2e+299) t_1 t_3))))))

C

double code(double x, double y, double z, double t, double a, double b, double c) {
	return ((((x * 9.0) * y) - (((z * 4.0) * t) * a)) + b) / (z * c);
}

↓

double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = ((((x * 9.0) * y) - (((z * 4.0) * t) * a)) + b) / (z * c);
	double t_2 = a * (t * -4.0);
	double t_3 = (t_2 + (9.0 * (y / (z / x)))) / c;
	double tmp;
	if (t_1 <= -((double) INFINITY)) {
		tmp = t_3;
	} else if (t_1 <= -2e-46) {
		tmp = t_1;
	} else if (t_1 <= 1e-138) {
		tmp = (t_2 + ((b + (x * (9.0 * y))) / z)) / c;
	} else if (t_1 <= 2e+299) {
		tmp = t_1;
	} else {
		tmp = t_3;
	}
	return tmp;
}

Java

public static double code(double x, double y, double z, double t, double a, double b, double c) {
	return ((((x * 9.0) * y) - (((z * 4.0) * t) * a)) + b) / (z * c);
}

↓

public static double code(double x, double y, double z, double t, double a, double b, double c) {
	double t_1 = ((((x * 9.0) * y) - (((z * 4.0) * t) * a)) + b) / (z * c);
	double t_2 = a * (t * -4.0);
	double t_3 = (t_2 + (9.0 * (y / (z / x)))) / c;
	double tmp;
	if (t_1 <= -Double.POSITIVE_INFINITY) {
		tmp = t_3;
	} else if (t_1 <= -2e-46) {
		tmp = t_1;
	} else if (t_1 <= 1e-138) {
		tmp = (t_2 + ((b + (x * (9.0 * y))) / z)) / c;
	} else if (t_1 <= 2e+299) {
		tmp = t_1;
	} else {
		tmp = t_3;
	}
	return tmp;
}

Python

def code(x, y, z, t, a, b, c):
	return ((((x * 9.0) * y) - (((z * 4.0) * t) * a)) + b) / (z * c)

↓

def code(x, y, z, t, a, b, c):
	t_1 = ((((x * 9.0) * y) - (((z * 4.0) * t) * a)) + b) / (z * c)
	t_2 = a * (t * -4.0)
	t_3 = (t_2 + (9.0 * (y / (z / x)))) / c
	tmp = 0
	if t_1 <= -math.inf:
		tmp = t_3
	elif t_1 <= -2e-46:
		tmp = t_1
	elif t_1 <= 1e-138:
		tmp = (t_2 + ((b + (x * (9.0 * y))) / z)) / c
	elif t_1 <= 2e+299:
		tmp = t_1
	else:
		tmp = t_3
	return tmp

Julia

function code(x, y, z, t, a, b, c)
	return Float64(Float64(Float64(Float64(Float64(x * 9.0) * y) - Float64(Float64(Float64(z * 4.0) * t) * a)) + b) / Float64(z * c))
end

↓

function code(x, y, z, t, a, b, c)
	t_1 = Float64(Float64(Float64(Float64(Float64(x * 9.0) * y) - Float64(Float64(Float64(z * 4.0) * t) * a)) + b) / Float64(z * c))
	t_2 = Float64(a * Float64(t * -4.0))
	t_3 = Float64(Float64(t_2 + Float64(9.0 * Float64(y / Float64(z / x)))) / c)
	tmp = 0.0
	if (t_1 <= Float64(-Inf))
		tmp = t_3;
	elseif (t_1 <= -2e-46)
		tmp = t_1;
	elseif (t_1 <= 1e-138)
		tmp = Float64(Float64(t_2 + Float64(Float64(b + Float64(x * Float64(9.0 * y))) / z)) / c);
	elseif (t_1 <= 2e+299)
		tmp = t_1;
	else
		tmp = t_3;
	end
	return tmp
end

MATLAB

function tmp = code(x, y, z, t, a, b, c)
	tmp = ((((x * 9.0) * y) - (((z * 4.0) * t) * a)) + b) / (z * c);
end

↓

function tmp_2 = code(x, y, z, t, a, b, c)
	t_1 = ((((x * 9.0) * y) - (((z * 4.0) * t) * a)) + b) / (z * c);
	t_2 = a * (t * -4.0);
	t_3 = (t_2 + (9.0 * (y / (z / x)))) / c;
	tmp = 0.0;
	if (t_1 <= -Inf)
		tmp = t_3;
	elseif (t_1 <= -2e-46)
		tmp = t_1;
	elseif (t_1 <= 1e-138)
		tmp = (t_2 + ((b + (x * (9.0 * y))) / z)) / c;
	elseif (t_1 <= 2e+299)
		tmp = t_1;
	else
		tmp = t_3;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_, t_, a_, b_, c_] := N[(N[(N[(N[(N[(x * 9.0), $MachinePrecision] * y), $MachinePrecision] - N[(N[(N[(z * 4.0), $MachinePrecision] * t), $MachinePrecision] * a), $MachinePrecision]), $MachinePrecision] + b), $MachinePrecision] / N[(z * c), $MachinePrecision]), $MachinePrecision]

↓

code[x_, y_, z_, t_, a_, b_, c_] := Block[{t$95$1 = N[(N[(N[(N[(N[(x * 9.0), $MachinePrecision] * y), $MachinePrecision] - N[(N[(N[(z * 4.0), $MachinePrecision] * t), $MachinePrecision] * a), $MachinePrecision]), $MachinePrecision] + b), $MachinePrecision] / N[(z * c), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(a * N[(t * -4.0), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[(N[(t$95$2 + N[(9.0 * N[(y / N[(z / x), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / c), $MachinePrecision]}, If[LessEqual[t$95$1, (-Infinity)], t$95$3, If[LessEqual[t$95$1, -2e-46], t$95$1, If[LessEqual[t$95$1, 1e-138], N[(N[(t$95$2 + N[(N[(b + N[(x * N[(9.0 * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / z), $MachinePrecision]), $MachinePrecision] / c), $MachinePrecision], If[LessEqual[t$95$1, 2e+299], t$95$1, t$95$3]]]]]]]

Target

Original	67.7%
Target	76.9%
Herbie	90.5%

\[\begin{array}{l} \mathbf{if}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} < -1.100156740804105 \cdot 10^{-171}:\\ \;\;\;\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(z \cdot 4\right) \cdot \left(t \cdot a\right)\right) + b}{z \cdot c}\\ \mathbf{elif}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} < 0:\\ \;\;\;\;\frac{\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z}}{c}\\ \mathbf{elif}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} < 1.1708877911747488 \cdot 10^{-53}:\\ \;\;\;\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(z \cdot 4\right) \cdot \left(t \cdot a\right)\right) + b}{z \cdot c}\\ \mathbf{elif}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} < 2.876823679546137 \cdot 10^{+130}:\\ \;\;\;\;\left(\left(9 \cdot \frac{y}{c}\right) \cdot \frac{x}{z} + \frac{b}{c \cdot z}\right) - 4 \cdot \frac{a \cdot t}{c}\\ \mathbf{elif}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} < 1.3838515042456319 \cdot 10^{+158}:\\ \;\;\;\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(z \cdot 4\right) \cdot \left(t \cdot a\right)\right) + b}{z \cdot c}\\ \mathbf{else}:\\ \;\;\;\;\left(9 \cdot \left(\frac{y}{c \cdot z} \cdot x\right) + \frac{b}{c \cdot z}\right) - 4 \cdot \frac{a \cdot t}{c}\\ \end{array} \]

Derivation

1. Split input into 3 regimes

2. if (/.f64 (+.f64 (-.f64 (*.f64 (*.f64 x 9) y) (*.f64 (*.f64 (*.f64 z 4) t) a)) b) (*.f64 z c)) < -inf.0 or 2.0000000000000001e299 < (/.f64 (+.f64 (-.f64 (*.f64 (*.f64 x 9) y) (*.f64 (*.f64 (*.f64 z 4) t) a)) b) (*.f64 z c))

   1. Initial program 2.4%

      \[\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \]

   2. Simplified 58.6%

      \[\leadsto \color{blue}{\frac{a \cdot \left(t \cdot -4\right) + \frac{\mathsf{fma}\left(x, 9 \cdot y, b\right)}{z}}{c}} \]
      Proof

      [Start] 2.4	\[ \frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \]
      associate-/r* [=>] 6.3	\[ \color{blue}{\frac{\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z}}{c}} \]

   3. Taylor expanded in x around inf 51.6%

      \[\leadsto \frac{a \cdot \left(t \cdot -4\right) + \color{blue}{9 \cdot \frac{y \cdot x}{z}}}{c} \]

   4. Simplified 66.3%

      \[\leadsto \frac{a \cdot \left(t \cdot -4\right) + \color{blue}{9 \cdot \frac{y}{\frac{z}{x}}}}{c} \]
      Proof

      [Start] 51.6	\[ \frac{a \cdot \left(t \cdot -4\right) + 9 \cdot \frac{y \cdot x}{z}}{c} \]
      associate-/l* [=>] 66.3	\[ \frac{a \cdot \left(t \cdot -4\right) + 9 \cdot \color{blue}{\frac{y}{\frac{z}{x}}}}{c} \]

   if -inf.0 < (/.f64 (+.f64 (-.f64 (*.f64 (*.f64 x 9) y) (*.f64 (*.f64 (*.f64 z 4) t) a)) b) (*.f64 z c)) < -2.00000000000000005e-46 or 1.00000000000000007e-138 < (/.f64 (+.f64 (-.f64 (*.f64 (*.f64 x 9) y) (*.f64 (*.f64 (*.f64 z 4) t) a)) b) (*.f64 z c)) < 2.0000000000000001e299

   1. Initial program 99.1%

      \[\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \]

   if -2.00000000000000005e-46 < (/.f64 (+.f64 (-.f64 (*.f64 (*.f64 x 9) y) (*.f64 (*.f64 (*.f64 z 4) t) a)) b) (*.f64 z c)) < 1.00000000000000007e-138

   1. Initial program 68.0%

      \[\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \]

   2. Simplified 98.2%

      \[\leadsto \color{blue}{\frac{a \cdot \left(t \cdot -4\right) + \frac{\mathsf{fma}\left(x, 9 \cdot y, b\right)}{z}}{c}} \]
      Proof

      [Start] 68.0	\[ \frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \]
      associate-/r* [=>] 97.9	\[ \color{blue}{\frac{\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z}}{c}} \]

   3. Applied egg-rr 98.2%

      \[\leadsto \frac{a \cdot \left(t \cdot -4\right) + \frac{\color{blue}{x \cdot \left(9 \cdot y\right) + b}}{z}}{c} \]
3. Recombined 3 regimes into one program.

4. Final simplification 90.5%

   \[\leadsto \begin{array}{l} \mathbf{if}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \leq -\infty:\\ \;\;\;\;\frac{a \cdot \left(t \cdot -4\right) + 9 \cdot \frac{y}{\frac{z}{x}}}{c}\\ \mathbf{elif}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \leq -2 \cdot 10^{-46}:\\ \;\;\;\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c}\\ \mathbf{elif}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \leq 10^{-138}:\\ \;\;\;\;\frac{a \cdot \left(t \cdot -4\right) + \frac{b + x \cdot \left(9 \cdot y\right)}{z}}{c}\\ \mathbf{elif}\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c} \leq 2 \cdot 10^{+299}:\\ \;\;\;\;\frac{\left(\left(x \cdot 9\right) \cdot y - \left(\left(z \cdot 4\right) \cdot t\right) \cdot a\right) + b}{z \cdot c}\\ \mathbf{else}:\\ \;\;\;\;\frac{a \cdot \left(t \cdot -4\right) + 9 \cdot \frac{y}{\frac{z}{x}}}{c}\\ \end{array} \]

Alternatives

Alternative 1
Accuracy	49.0%
Cost	3304

\[\begin{array}{l} t_1 := \frac{b + 9 \cdot \left(x \cdot y\right)}{z \cdot c}\\ t_2 := \frac{t \cdot \left(a \cdot -4\right)}{c}\\ \mathbf{if}\;x \cdot 9 \leq -1 \cdot 10^{+177}:\\ \;\;\;\;\frac{9 \cdot y}{c \cdot \frac{z}{x}}\\ \mathbf{elif}\;x \cdot 9 \leq -2 \cdot 10^{+58}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot 9 \leq -2 \cdot 10^{+14}:\\ \;\;\;\;\left(t \cdot a\right) \cdot \frac{-4}{c}\\ \mathbf{elif}\;x \cdot 9 \leq -1 \cdot 10^{-29}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot 9 \leq -1 \cdot 10^{-57}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;x \cdot 9 \leq -1 \cdot 10^{-121}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot 9 \leq -5 \cdot 10^{-251}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;x \cdot 9 \leq 10^{-280}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;x \cdot 9 \leq 10^{-209}:\\ \;\;\;\;-4 \cdot \frac{t}{\frac{c}{a}}\\ \mathbf{elif}\;x \cdot 9 \leq 2 \cdot 10^{-28}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;\frac{9 \cdot y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 2
Accuracy	55.3%
Cost	2416

\[\begin{array}{l} t_1 := \frac{b + -4 \cdot \left(a \cdot \left(z \cdot t\right)\right)}{z \cdot c}\\ t_2 := \frac{a \cdot \left(t \cdot -4\right) + 9 \cdot \frac{y}{\frac{z}{x}}}{c}\\ t_3 := \frac{\frac{b}{z} + -4 \cdot \left(t \cdot a\right)}{c}\\ \mathbf{if}\;c \leq -2.2 \cdot 10^{+180}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;c \leq -1.05 \cdot 10^{+134}:\\ \;\;\;\;a \cdot \frac{-4}{\frac{c}{t}}\\ \mathbf{elif}\;c \leq -4.8 \cdot 10^{+129}:\\ \;\;\;\;\frac{\frac{1}{z}}{\frac{c}{b}}\\ \mathbf{elif}\;c \leq -2.55 \cdot 10^{+69}:\\ \;\;\;\;9 \cdot \frac{x \cdot y}{z \cdot c} + \frac{b}{z \cdot c}\\ \mathbf{elif}\;c \leq -1.35 \cdot 10^{+67}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;c \leq -1.35 \cdot 10^{-55}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;c \leq -2.8 \cdot 10^{-82}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;c \leq 2.4 \cdot 10^{-102}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;c \leq 1.15 \cdot 10^{+82}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;c \leq 2.05 \cdot 10^{+153}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;c \leq 1.35 \cdot 10^{+283}:\\ \;\;\;\;\frac{\frac{b}{z} + 9 \cdot \frac{x \cdot y}{z}}{c}\\ \mathbf{elif}\;c \leq 1.25 \cdot 10^{+304}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 3
Accuracy	41.2%
Cost	2292

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := 9 \cdot \frac{y}{\frac{z \cdot c}{x}}\\ t_3 := \frac{\frac{b}{c}}{z}\\ \mathbf{if}\;y \leq -480000000:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 2.65 \cdot 10^{-264}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 1.5 \cdot 10^{-213}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;y \leq 1.15 \cdot 10^{-131}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 9.2 \cdot 10^{-77}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;y \leq 7.6 \cdot 10^{-43}:\\ \;\;\;\;a \cdot \frac{-4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 1480:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;y \leq 1.7 \cdot 10^{+39}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 7 \cdot 10^{+75}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 3.4 \cdot 10^{+105}:\\ \;\;\;\;\frac{-4}{\frac{c}{t \cdot a}}\\ \mathbf{elif}\;y \leq 3.4 \cdot 10^{+135}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;y \leq 2.3 \cdot 10^{+156}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 1.04 \cdot 10^{+192}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 4
Accuracy	40.1%
Cost	2292

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := 9 \cdot \frac{y}{\frac{z \cdot c}{x}}\\ t_3 := 9 \cdot \frac{y \cdot \frac{x}{z}}{c}\\ t_4 := \frac{\frac{b}{c}}{z}\\ \mathbf{if}\;y \leq -80000:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 2.4 \cdot 10^{-264}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 4.8 \cdot 10^{-213}:\\ \;\;\;\;t_4\\ \mathbf{elif}\;y \leq 1.32 \cdot 10^{-130}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 1.1 \cdot 10^{-77}:\\ \;\;\;\;t_4\\ \mathbf{elif}\;y \leq 1.5 \cdot 10^{-43}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;y \leq 160:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;y \leq 3.55 \cdot 10^{+40}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 4.5 \cdot 10^{+76}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;y \leq 3.35 \cdot 10^{+105}:\\ \;\;\;\;\frac{-4}{\frac{c}{t \cdot a}}\\ \mathbf{elif}\;y \leq 4.8 \cdot 10^{+135}:\\ \;\;\;\;t_4\\ \mathbf{elif}\;y \leq 2.8 \cdot 10^{+156}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 1.65 \cdot 10^{+194}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 5
Accuracy	40.9%
Cost	2292

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := 9 \cdot \frac{y \cdot \frac{x}{z}}{c}\\ t_3 := \frac{\frac{b}{c}}{z}\\ \mathbf{if}\;y \leq -1.12 \cdot 10^{-105}:\\ \;\;\;\;x \cdot \left(9 \cdot \frac{\frac{y}{c}}{z}\right)\\ \mathbf{elif}\;y \leq 3.4 \cdot 10^{-264}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 3.6 \cdot 10^{-213}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;y \leq 5.5 \cdot 10^{-131}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 1.1 \cdot 10^{-77}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;y \leq 8.2 \cdot 10^{-47}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 112:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;y \leq 3.9 \cdot 10^{+40}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 1.12 \cdot 10^{+76}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 2.25 \cdot 10^{+105}:\\ \;\;\;\;\frac{-4}{\frac{c}{t \cdot a}}\\ \mathbf{elif}\;y \leq 3 \cdot 10^{+135}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;y \leq 1.6 \cdot 10^{+156}:\\ \;\;\;\;9 \cdot \frac{y}{\frac{z \cdot c}{x}}\\ \mathbf{elif}\;y \leq 4.7 \cdot 10^{+191}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 6
Accuracy	40.7%
Cost	2292

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := \frac{\frac{b}{c}}{z}\\ t_3 := \frac{z \cdot c}{x}\\ \mathbf{if}\;y \leq -2.7 \cdot 10^{-106}:\\ \;\;\;\;x \cdot \left(9 \cdot \frac{\frac{y}{c}}{z}\right)\\ \mathbf{elif}\;y \leq 3.05 \cdot 10^{-264}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 2 \cdot 10^{-213}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 4.2 \cdot 10^{-128}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 1.1 \cdot 10^{-77}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 2.6 \cdot 10^{-47}:\\ \;\;\;\;9 \cdot \frac{y \cdot \frac{x}{z}}{c}\\ \mathbf{elif}\;y \leq 720:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;y \leq 1.35 \cdot 10^{+40}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 1.45 \cdot 10^{+76}:\\ \;\;\;\;y \cdot \frac{9}{t_3}\\ \mathbf{elif}\;y \leq 3.4 \cdot 10^{+105}:\\ \;\;\;\;\frac{-4}{\frac{c}{t \cdot a}}\\ \mathbf{elif}\;y \leq 3 \cdot 10^{+135}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 2.8 \cdot 10^{+156}:\\ \;\;\;\;9 \cdot \frac{y}{t_3}\\ \mathbf{elif}\;y \leq 3.1 \cdot 10^{+193}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 7
Accuracy	40.7%
Cost	2292

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := \frac{\frac{b}{c}}{z}\\ t_3 := \frac{z \cdot c}{x}\\ \mathbf{if}\;y \leq -1.12 \cdot 10^{-105}:\\ \;\;\;\;x \cdot \left(9 \cdot \frac{\frac{y}{c}}{z}\right)\\ \mathbf{elif}\;y \leq 3.75 \cdot 10^{-264}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 1.25 \cdot 10^{-213}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 9.5 \cdot 10^{-128}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 10^{-77}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 8.2 \cdot 10^{-44}:\\ \;\;\;\;\frac{x}{z} \cdot \frac{9 \cdot y}{c}\\ \mathbf{elif}\;y \leq 65:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;y \leq 2.25 \cdot 10^{+39}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 8.5 \cdot 10^{+75}:\\ \;\;\;\;y \cdot \frac{9}{t_3}\\ \mathbf{elif}\;y \leq 2 \cdot 10^{+105}:\\ \;\;\;\;\frac{-4}{\frac{c}{t \cdot a}}\\ \mathbf{elif}\;y \leq 4.8 \cdot 10^{+135}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 2.3 \cdot 10^{+156}:\\ \;\;\;\;9 \cdot \frac{y}{t_3}\\ \mathbf{elif}\;y \leq 3.6 \cdot 10^{+191}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 8
Accuracy	40.8%
Cost	2292

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := \frac{\frac{b}{c}}{z}\\ \mathbf{if}\;y \leq -1.12 \cdot 10^{-105}:\\ \;\;\;\;x \cdot \left(9 \cdot \frac{\frac{y}{c}}{z}\right)\\ \mathbf{elif}\;y \leq 3.4 \cdot 10^{-264}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 7.5 \cdot 10^{-214}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 1.35 \cdot 10^{-126}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 1.1 \cdot 10^{-77}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 8.5 \cdot 10^{-48}:\\ \;\;\;\;\frac{x}{z} \cdot \frac{9 \cdot y}{c}\\ \mathbf{elif}\;y \leq 14.5:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;y \leq 2.7 \cdot 10^{+40}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 5 \cdot 10^{+76}:\\ \;\;\;\;\frac{y}{c} \cdot \left(9 \cdot \frac{x}{z}\right)\\ \mathbf{elif}\;y \leq 2.9 \cdot 10^{+105}:\\ \;\;\;\;\frac{-4}{\frac{c}{t \cdot a}}\\ \mathbf{elif}\;y \leq 7.4 \cdot 10^{+135}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 1.52 \cdot 10^{+156}:\\ \;\;\;\;9 \cdot \frac{y}{\frac{z \cdot c}{x}}\\ \mathbf{elif}\;y \leq 5.2 \cdot 10^{+190}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 9
Accuracy	40.8%
Cost	2292

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := \frac{\frac{b}{c}}{z}\\ \mathbf{if}\;y \leq -1.12 \cdot 10^{-105}:\\ \;\;\;\;x \cdot \left(9 \cdot \frac{\frac{y}{c}}{z}\right)\\ \mathbf{elif}\;y \leq 1.55 \cdot 10^{-264}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 2.5 \cdot 10^{-213}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 1.75 \cdot 10^{-128}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 1.1 \cdot 10^{-77}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 8.5 \cdot 10^{-48}:\\ \;\;\;\;\frac{x}{z} \cdot \frac{9 \cdot y}{c}\\ \mathbf{elif}\;y \leq 195:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;y \leq 2.1 \cdot 10^{+39}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 5.2 \cdot 10^{+76}:\\ \;\;\;\;\frac{y}{c} \cdot \left(9 \cdot \frac{x}{z}\right)\\ \mathbf{elif}\;y \leq 2.4 \cdot 10^{+105}:\\ \;\;\;\;\frac{-4}{\frac{c}{a} \cdot \frac{1}{t}}\\ \mathbf{elif}\;y \leq 3 \cdot 10^{+135}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 2.9 \cdot 10^{+156}:\\ \;\;\;\;9 \cdot \frac{y}{\frac{z \cdot c}{x}}\\ \mathbf{elif}\;y \leq 3.15 \cdot 10^{+190}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \end{array} \]

Alternative 10
Accuracy	41.1%
Cost	2292

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := \frac{\frac{b}{c}}{z}\\ \mathbf{if}\;y \leq -1.12 \cdot 10^{-105}:\\ \;\;\;\;x \cdot \left(9 \cdot \frac{\frac{y}{c}}{z}\right)\\ \mathbf{elif}\;y \leq 3.75 \cdot 10^{-264}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 3.3 \cdot 10^{-213}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 3.25 \cdot 10^{-128}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;y \leq 1.1 \cdot 10^{-77}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 1.02 \cdot 10^{-47}:\\ \;\;\;\;\frac{x}{z} \cdot \frac{9 \cdot y}{c}\\ \mathbf{elif}\;y \leq 54:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;y \leq 1.6 \cdot 10^{+39}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 3.2 \cdot 10^{+76}:\\ \;\;\;\;\frac{y}{c} \cdot \left(9 \cdot \frac{x}{z}\right)\\ \mathbf{elif}\;y \leq 3.4 \cdot 10^{+105}:\\ \;\;\;\;\frac{-4}{\frac{c}{a} \cdot \frac{1}{t}}\\ \mathbf{elif}\;y \leq 3.2 \cdot 10^{+135}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;y \leq 2.3 \cdot 10^{+156}:\\ \;\;\;\;9 \cdot \frac{y}{\frac{z \cdot c}{x}}\\ \mathbf{elif}\;y \leq 8 \cdot 10^{+191}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;\frac{9 \cdot y}{c \cdot \frac{z}{x}}\\ \end{array} \]

Alternative 11
Accuracy	66.4%
Cost	2256

\[\begin{array}{l} t_1 := \left(x \cdot 9\right) \cdot y\\ \mathbf{if}\;t_1 \leq -\infty:\\ \;\;\;\;9 \cdot \left(\frac{y}{z} \cdot \frac{x}{c}\right)\\ \mathbf{elif}\;t_1 \leq -5 \cdot 10^{+93}:\\ \;\;\;\;\frac{9 \cdot \frac{y}{\frac{z}{x}} + \frac{b}{z}}{c}\\ \mathbf{elif}\;t_1 \leq -0.2:\\ \;\;\;\;-4 \cdot \frac{t}{\frac{c}{a}}\\ \mathbf{elif}\;t_1 \leq 5 \cdot 10^{+44}:\\ \;\;\;\;\frac{\frac{b}{z} + -4 \cdot \left(t \cdot a\right)}{c}\\ \mathbf{else}:\\ \;\;\;\;\frac{9 \cdot y}{c \cdot \frac{z}{x}}\\ \end{array} \]

Alternative 12
Accuracy	72.1%
Cost	2124

\[\begin{array}{l} t_1 := a \cdot \left(t \cdot -4\right)\\ t_2 := \left(x \cdot 9\right) \cdot y\\ \mathbf{if}\;t_2 \leq -3 \cdot 10^{+18}:\\ \;\;\;\;\frac{t_1 + 9 \cdot \frac{y}{\frac{z}{x}}}{c}\\ \mathbf{elif}\;t_2 \leq 10^{+16}:\\ \;\;\;\;\frac{\frac{b}{z} + -4 \cdot \left(t \cdot a\right)}{c}\\ \mathbf{elif}\;t_2 \leq 2 \cdot 10^{+306}:\\ \;\;\;\;\frac{t_1 + \frac{9 \cdot \left(x \cdot y\right)}{z}}{c}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{z} \cdot \frac{9 \cdot y}{c}\\ \end{array} \]

Alternative 13
Accuracy	84.2%
Cost	1864

\[\begin{array}{l} t_1 := \left(x \cdot 9\right) \cdot y\\ \mathbf{if}\;t_1 \leq -\infty:\\ \;\;\;\;9 \cdot \left(\frac{y}{z} \cdot \frac{x}{c}\right)\\ \mathbf{elif}\;t_1 \leq 2 \cdot 10^{+306}:\\ \;\;\;\;\frac{a \cdot \left(t \cdot -4\right) + \frac{b + x \cdot \left(9 \cdot y\right)}{z}}{c}\\ \mathbf{else}:\\ \;\;\;\;\frac{x}{z} \cdot \frac{9 \cdot y}{c}\\ \end{array} \]

Alternative 14
Accuracy	45.9%
Cost	1637

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_2 := 9 \cdot \left(\frac{y}{z} \cdot \frac{x}{c}\right)\\ \mathbf{if}\;a \leq -1.7 \cdot 10^{-139}:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;a \leq 4.2 \cdot 10^{-275}:\\ \;\;\;\;\frac{\frac{1}{c}}{\frac{z}{b}}\\ \mathbf{elif}\;a \leq 5.6 \cdot 10^{-240}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;a \leq 1.1 \cdot 10^{-224}:\\ \;\;\;\;\frac{\frac{b}{c}}{z}\\ \mathbf{elif}\;a \leq 1.45 \cdot 10^{-219}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;a \leq 5.5 \cdot 10^{-194}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;a \leq 1.2 \cdot 10^{-96}:\\ \;\;\;\;\frac{\frac{1}{z}}{\frac{c}{b}}\\ \mathbf{elif}\;a \leq 1.42 \cdot 10^{-49} \lor \neg \left(a \leq 2.15 \cdot 10^{-13}\right):\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;\frac{b}{z \cdot c}\\ \end{array} \]

Alternative 15
Accuracy	44.9%
Cost	1504

\[\begin{array}{l} t_1 := 9 \cdot \frac{y}{z \cdot \frac{c}{x}}\\ \mathbf{if}\;b \leq -1.75 \cdot 10^{+73}:\\ \;\;\;\;\frac{\frac{1}{z}}{\frac{c}{b}}\\ \mathbf{elif}\;b \leq -1.02 \cdot 10^{-210}:\\ \;\;\;\;a \cdot \frac{-4}{\frac{c}{t}}\\ \mathbf{elif}\;b \leq 2.9 \cdot 10^{-269}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;b \leq 1.6 \cdot 10^{-215}:\\ \;\;\;\;t \cdot \frac{-4}{\frac{c}{a}}\\ \mathbf{elif}\;b \leq 5 \cdot 10^{-158}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;b \leq 4.1 \cdot 10^{-93}:\\ \;\;\;\;\frac{t \cdot \left(a \cdot -4\right)}{c}\\ \mathbf{elif}\;b \leq 3.2 \cdot 10^{-39}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;b \leq 8.8 \cdot 10^{+139}:\\ \;\;\;\;-4 \cdot \frac{t}{\frac{c}{a}}\\ \mathbf{else}:\\ \;\;\;\;b \cdot \frac{\frac{1}{z}}{c}\\ \end{array} \]

Alternative 16
Accuracy	67.4%
Cost	1480

\[\begin{array}{l} t_1 := \left(x \cdot 9\right) \cdot y\\ \mathbf{if}\;t_1 \leq -2 \cdot 10^{+100}:\\ \;\;\;\;\frac{y}{c} \cdot \left(9 \cdot \frac{x}{z}\right)\\ \mathbf{elif}\;t_1 \leq 5 \cdot 10^{+44}:\\ \;\;\;\;\frac{\frac{b}{z} + -4 \cdot \left(t \cdot a\right)}{c}\\ \mathbf{else}:\\ \;\;\;\;\frac{9 \cdot y}{c \cdot \frac{z}{x}}\\ \end{array} \]

Alternative 17
Accuracy	43.1%
Cost	1240

\[\begin{array}{l} t_1 := \frac{b}{z \cdot c}\\ t_2 := -4 \cdot \frac{t}{\frac{c}{a}}\\ t_3 := \left(t \cdot a\right) \cdot \frac{-4}{c}\\ \mathbf{if}\;t \leq -1.9 \cdot 10^{+180}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -5 \cdot 10^{+120}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t \leq -0.415:\\ \;\;\;\;t_3\\ \mathbf{elif}\;t \leq 7.8 \cdot 10^{-204}:\\ \;\;\;\;\frac{\frac{b}{c}}{z}\\ \mathbf{elif}\;t \leq 6 \cdot 10^{-120}:\\ \;\;\;\;t_3\\ \mathbf{elif}\;t \leq 3.4 \cdot 10^{-79}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \]

Alternative 18
Accuracy	43.4%
Cost	1240

\[\begin{array}{l} t_1 := \frac{b}{z \cdot c}\\ t_2 := -4 \cdot \frac{t}{\frac{c}{a}}\\ \mathbf{if}\;t \leq -1.9 \cdot 10^{+180}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -6.4 \cdot 10^{+120}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t \leq -0.054:\\ \;\;\;\;a \cdot \frac{-4}{\frac{c}{t}}\\ \mathbf{elif}\;t \leq 7.5 \cdot 10^{-203}:\\ \;\;\;\;\frac{\frac{b}{c}}{z}\\ \mathbf{elif}\;t \leq 1.2 \cdot 10^{-120}:\\ \;\;\;\;\left(t \cdot a\right) \cdot \frac{-4}{c}\\ \mathbf{elif}\;t \leq 3.9 \cdot 10^{-79}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \]

Alternative 19
Accuracy	43.4%
Cost	1240

\[\begin{array}{l} t_1 := \frac{b}{z \cdot c}\\ t_2 := -4 \cdot \frac{t}{\frac{c}{a}}\\ \mathbf{if}\;t \leq -2.1 \cdot 10^{+180}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -7.6 \cdot 10^{+120}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t \leq -0.74:\\ \;\;\;\;a \cdot \frac{-4}{\frac{c}{t}}\\ \mathbf{elif}\;t \leq 4.7 \cdot 10^{-203}:\\ \;\;\;\;\frac{\frac{b}{c}}{z}\\ \mathbf{elif}\;t \leq 1.6 \cdot 10^{-120}:\\ \;\;\;\;\frac{-4}{\frac{c}{t \cdot a}}\\ \mathbf{elif}\;t \leq 3.9 \cdot 10^{-79}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \]

Alternative 20
Accuracy	43.4%
Cost	1240

\[\begin{array}{l} t_1 := \frac{b}{z \cdot c}\\ t_2 := -4 \cdot \frac{t}{\frac{c}{a}}\\ \mathbf{if}\;t \leq -1.9 \cdot 10^{+180}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -7.2 \cdot 10^{+120}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t \leq -5.7:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;t \leq 7.8 \cdot 10^{-205}:\\ \;\;\;\;\frac{\frac{b}{c}}{z}\\ \mathbf{elif}\;t \leq 8.2 \cdot 10^{-120}:\\ \;\;\;\;\frac{-4}{\frac{c}{t \cdot a}}\\ \mathbf{elif}\;t \leq 3.7 \cdot 10^{-79}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \]

Alternative 21
Accuracy	43.4%
Cost	1240

\[\begin{array}{l} t_1 := \frac{b}{z \cdot c}\\ t_2 := -4 \cdot \frac{t}{\frac{c}{a}}\\ \mathbf{if}\;t \leq -2.3 \cdot 10^{+180}:\\ \;\;\;\;t_2\\ \mathbf{elif}\;t \leq -7.8 \cdot 10^{+120}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;t \leq -0.225:\\ \;\;\;\;\frac{a \cdot -4}{\frac{c}{t}}\\ \mathbf{elif}\;t \leq 6.8 \cdot 10^{-202}:\\ \;\;\;\;\frac{\frac{b}{c}}{z}\\ \mathbf{elif}\;t \leq 2.3 \cdot 10^{-120}:\\ \;\;\;\;\frac{t \cdot \left(a \cdot -4\right)}{c}\\ \mathbf{elif}\;t \leq 4 \cdot 10^{-79}:\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;t_2\\ \end{array} \]

Alternative 22
Accuracy	46.4%
Cost	977

\[\begin{array}{l} t_1 := -4 \cdot \frac{t}{\frac{c}{a}}\\ \mathbf{if}\;a \leq -3.6 \cdot 10^{-139}:\\ \;\;\;\;t_1\\ \mathbf{elif}\;a \leq 6.2 \cdot 10^{-95}:\\ \;\;\;\;\frac{\frac{b}{z}}{c}\\ \mathbf{elif}\;a \leq 1.65 \cdot 10^{-49} \lor \neg \left(a \leq 1.5 \cdot 10^{-12}\right):\\ \;\;\;\;t_1\\ \mathbf{else}:\\ \;\;\;\;\frac{b}{z \cdot c}\\ \end{array} \]

Alternative 23
Accuracy	31.9%
Cost	585

\[\begin{array}{l} \mathbf{if}\;x \leq -2.4 \cdot 10^{+90} \lor \neg \left(x \leq -3.8 \cdot 10^{-273}\right):\\ \;\;\;\;\frac{\frac{b}{c}}{z}\\ \mathbf{else}:\\ \;\;\;\;\frac{b}{z \cdot c}\\ \end{array} \]

Alternative 24
Accuracy	32.0%
Cost	320

\[\frac{b}{z \cdot c} \]

Reproduce

herbie shell --seed 2023122 
(FPCore (x y z t a b c)
  :name "Diagrams.Solve.Polynomial:cubForm  from diagrams-solve-0.1, J"
  :precision binary64

  :herbie-target
  (if (< (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c)) -1.100156740804105e-171) (/ (+ (- (* (* x 9.0) y) (* (* z 4.0) (* t a))) b) (* z c)) (if (< (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c)) 0.0) (/ (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) z) c) (if (< (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c)) 1.1708877911747488e-53) (/ (+ (- (* (* x 9.0) y) (* (* z 4.0) (* t a))) b) (* z c)) (if (< (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c)) 2.876823679546137e+130) (- (+ (* (* 9.0 (/ y c)) (/ x z)) (/ b (* c z))) (* 4.0 (/ (* a t) c))) (if (< (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c)) 1.3838515042456319e+158) (/ (+ (- (* (* x 9.0) y) (* (* z 4.0) (* t a))) b) (* z c)) (- (+ (* 9.0 (* (/ y (* c z)) x)) (/ b (* c z))) (* 4.0 (/ (* a t) c))))))))

  (/ (+ (- (* (* x 9.0) y) (* (* (* z 4.0) t) a)) b) (* z c)))