
(FPCore (x y z t) :precision binary64 (+ x (* (- y x) (/ z t))))
double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x + ((y - x) * (z / t))
end function
public static double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
def code(x, y, z, t): return x + ((y - x) * (z / t))
function code(x, y, z, t) return Float64(x + Float64(Float64(y - x) * Float64(z / t))) end
function tmp = code(x, y, z, t) tmp = x + ((y - x) * (z / t)); end
code[x_, y_, z_, t_] := N[(x + N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(y - x\right) \cdot \frac{z}{t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t) :precision binary64 (+ x (* (- y x) (/ z t))))
double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x + ((y - x) * (z / t))
end function
public static double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
def code(x, y, z, t): return x + ((y - x) * (z / t))
function code(x, y, z, t) return Float64(x + Float64(Float64(y - x) * Float64(z / t))) end
function tmp = code(x, y, z, t) tmp = x + ((y - x) * (z / t)); end
code[x_, y_, z_, t_] := N[(x + N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(y - x\right) \cdot \frac{z}{t}
\end{array}
(FPCore (x y z t) :precision binary64 (fma (- y x) (/ z t) x))
double code(double x, double y, double z, double t) {
return fma((y - x), (z / t), x);
}
function code(x, y, z, t) return fma(Float64(y - x), Float64(z / t), x) end
code[x_, y_, z_, t_] := N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision] + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y - x, \frac{z}{t}, x\right)
\end{array}
Initial program 96.5%
+-commutative96.5%
fma-def96.5%
Simplified96.5%
Final simplification96.5%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (* x (- (/ z t)))))
(if (<= (/ z t) -1e+305)
(* z (/ y t))
(if (<= (/ z t) -4e+42)
t_1
(if (<= (/ z t) -1e-30) (* y (/ z t)) (if (<= (/ z t) 0.2) x t_1))))))
double code(double x, double y, double z, double t) {
double t_1 = x * -(z / t);
double tmp;
if ((z / t) <= -1e+305) {
tmp = z * (y / t);
} else if ((z / t) <= -4e+42) {
tmp = t_1;
} else if ((z / t) <= -1e-30) {
tmp = y * (z / t);
} else if ((z / t) <= 0.2) {
tmp = x;
} else {
tmp = t_1;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: tmp
t_1 = x * -(z / t)
if ((z / t) <= (-1d+305)) then
tmp = z * (y / t)
else if ((z / t) <= (-4d+42)) then
tmp = t_1
else if ((z / t) <= (-1d-30)) then
tmp = y * (z / t)
else if ((z / t) <= 0.2d0) then
tmp = x
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = x * -(z / t);
double tmp;
if ((z / t) <= -1e+305) {
tmp = z * (y / t);
} else if ((z / t) <= -4e+42) {
tmp = t_1;
} else if ((z / t) <= -1e-30) {
tmp = y * (z / t);
} else if ((z / t) <= 0.2) {
tmp = x;
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t): t_1 = x * -(z / t) tmp = 0 if (z / t) <= -1e+305: tmp = z * (y / t) elif (z / t) <= -4e+42: tmp = t_1 elif (z / t) <= -1e-30: tmp = y * (z / t) elif (z / t) <= 0.2: tmp = x else: tmp = t_1 return tmp
function code(x, y, z, t) t_1 = Float64(x * Float64(-Float64(z / t))) tmp = 0.0 if (Float64(z / t) <= -1e+305) tmp = Float64(z * Float64(y / t)); elseif (Float64(z / t) <= -4e+42) tmp = t_1; elseif (Float64(z / t) <= -1e-30) tmp = Float64(y * Float64(z / t)); elseif (Float64(z / t) <= 0.2) tmp = x; else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = x * -(z / t); tmp = 0.0; if ((z / t) <= -1e+305) tmp = z * (y / t); elseif ((z / t) <= -4e+42) tmp = t_1; elseif ((z / t) <= -1e-30) tmp = y * (z / t); elseif ((z / t) <= 0.2) tmp = x; else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(x * (-N[(z / t), $MachinePrecision])), $MachinePrecision]}, If[LessEqual[N[(z / t), $MachinePrecision], -1e+305], N[(z * N[(y / t), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(z / t), $MachinePrecision], -4e+42], t$95$1, If[LessEqual[N[(z / t), $MachinePrecision], -1e-30], N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(z / t), $MachinePrecision], 0.2], x, t$95$1]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := x \cdot \left(-\frac{z}{t}\right)\\
\mathbf{if}\;\frac{z}{t} \leq -1 \cdot 10^{+305}:\\
\;\;\;\;z \cdot \frac{y}{t}\\
\mathbf{elif}\;\frac{z}{t} \leq -4 \cdot 10^{+42}:\\
\;\;\;\;t_1\\
\mathbf{elif}\;\frac{z}{t} \leq -1 \cdot 10^{-30}:\\
\;\;\;\;y \cdot \frac{z}{t}\\
\mathbf{elif}\;\frac{z}{t} \leq 0.2:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;t_1\\
\end{array}
\end{array}
if (/.f64 z t) < -9.9999999999999994e304Initial program 73.5%
Taylor expanded in z around inf 92.6%
Taylor expanded in y around inf 68.3%
if -9.9999999999999994e304 < (/.f64 z t) < -4.00000000000000018e42 or 0.20000000000000001 < (/.f64 z t) Initial program 97.4%
Taylor expanded in z around inf 88.7%
sub-div92.4%
associate-/r/96.4%
Applied egg-rr96.4%
Taylor expanded in y around 0 63.6%
*-commutative63.6%
associate-*r/66.6%
associate-*r*66.6%
neg-mul-166.6%
*-commutative66.6%
Simplified66.6%
if -4.00000000000000018e42 < (/.f64 z t) < -1e-30Initial program 99.9%
Taylor expanded in y around inf 64.0%
associate-*r/85.5%
Simplified85.5%
+-commutative85.5%
*-commutative85.5%
fma-def85.5%
Applied egg-rr85.5%
Taylor expanded in z around inf 61.4%
associate-*r/77.3%
Simplified77.3%
if -1e-30 < (/.f64 z t) < 0.20000000000000001Initial program 98.1%
Taylor expanded in z around 0 70.1%
Final simplification69.0%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -1e-30) (not (<= (/ z t) 2e-20))) (* z (/ (- y x) t)) x))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -1e-30) || !((z / t) <= 2e-20)) {
tmp = z * ((y - x) / t);
} else {
tmp = x;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if (((z / t) <= (-1d-30)) .or. (.not. ((z / t) <= 2d-20))) then
tmp = z * ((y - x) / t)
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -1e-30) || !((z / t) <= 2e-20)) {
tmp = z * ((y - x) / t);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -1e-30) or not ((z / t) <= 2e-20): tmp = z * ((y - x) / t) else: tmp = x return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -1e-30) || !(Float64(z / t) <= 2e-20)) tmp = Float64(z * Float64(Float64(y - x) / t)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((z / t) <= -1e-30) || ~(((z / t) <= 2e-20))) tmp = z * ((y - x) / t); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -1e-30], N[Not[LessEqual[N[(z / t), $MachinePrecision], 2e-20]], $MachinePrecision]], N[(z * N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -1 \cdot 10^{-30} \lor \neg \left(\frac{z}{t} \leq 2 \cdot 10^{-20}\right):\\
\;\;\;\;z \cdot \frac{y - x}{t}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if (/.f64 z t) < -1e-30 or 1.99999999999999989e-20 < (/.f64 z t) Initial program 95.4%
Taylor expanded in z around inf 86.0%
Taylor expanded in y around 0 86.0%
neg-mul-186.0%
+-commutative86.0%
sub-neg86.0%
div-sub89.5%
Simplified89.5%
if -1e-30 < (/.f64 z t) < 1.99999999999999989e-20Initial program 98.0%
Taylor expanded in z around 0 71.2%
Final simplification81.5%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -2e+31) (not (<= (/ z t) 0.2))) (* z (/ (- y x) t)) (+ x (* y (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -2e+31) || !((z / t) <= 0.2)) {
tmp = z * ((y - x) / t);
} else {
tmp = x + (y * (z / t));
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if (((z / t) <= (-2d+31)) .or. (.not. ((z / t) <= 0.2d0))) then
tmp = z * ((y - x) / t)
else
tmp = x + (y * (z / t))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -2e+31) || !((z / t) <= 0.2)) {
tmp = z * ((y - x) / t);
} else {
tmp = x + (y * (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -2e+31) or not ((z / t) <= 0.2): tmp = z * ((y - x) / t) else: tmp = x + (y * (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -2e+31) || !(Float64(z / t) <= 0.2)) tmp = Float64(z * Float64(Float64(y - x) / t)); else tmp = Float64(x + Float64(y * Float64(z / t))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((z / t) <= -2e+31) || ~(((z / t) <= 0.2))) tmp = z * ((y - x) / t); else tmp = x + (y * (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -2e+31], N[Not[LessEqual[N[(z / t), $MachinePrecision], 0.2]], $MachinePrecision]], N[(z * N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], N[(x + N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -2 \cdot 10^{+31} \lor \neg \left(\frac{z}{t} \leq 0.2\right):\\
\;\;\;\;z \cdot \frac{y - x}{t}\\
\mathbf{else}:\\
\;\;\;\;x + y \cdot \frac{z}{t}\\
\end{array}
\end{array}
if (/.f64 z t) < -1.9999999999999999e31 or 0.20000000000000001 < (/.f64 z t) Initial program 94.8%
Taylor expanded in z around inf 89.3%
Taylor expanded in y around 0 89.3%
neg-mul-189.3%
+-commutative89.3%
sub-neg89.3%
div-sub93.3%
Simplified93.3%
if -1.9999999999999999e31 < (/.f64 z t) < 0.20000000000000001Initial program 98.3%
Taylor expanded in y around inf 91.9%
associate-*r/96.5%
Simplified96.5%
Final simplification94.9%
(FPCore (x y z t) :precision binary64 (if (<= (/ z t) -4e+42) (/ (* (- y x) z) t) (if (<= (/ z t) 0.2) (+ x (* y (/ z t))) (* z (/ (- y x) t)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((z / t) <= -4e+42) {
tmp = ((y - x) * z) / t;
} else if ((z / t) <= 0.2) {
tmp = x + (y * (z / t));
} else {
tmp = z * ((y - x) / t);
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if ((z / t) <= (-4d+42)) then
tmp = ((y - x) * z) / t
else if ((z / t) <= 0.2d0) then
tmp = x + (y * (z / t))
else
tmp = z * ((y - x) / t)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((z / t) <= -4e+42) {
tmp = ((y - x) * z) / t;
} else if ((z / t) <= 0.2) {
tmp = x + (y * (z / t));
} else {
tmp = z * ((y - x) / t);
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (z / t) <= -4e+42: tmp = ((y - x) * z) / t elif (z / t) <= 0.2: tmp = x + (y * (z / t)) else: tmp = z * ((y - x) / t) return tmp
function code(x, y, z, t) tmp = 0.0 if (Float64(z / t) <= -4e+42) tmp = Float64(Float64(Float64(y - x) * z) / t); elseif (Float64(z / t) <= 0.2) tmp = Float64(x + Float64(y * Float64(z / t))); else tmp = Float64(z * Float64(Float64(y - x) / t)); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((z / t) <= -4e+42) tmp = ((y - x) * z) / t; elseif ((z / t) <= 0.2) tmp = x + (y * (z / t)); else tmp = z * ((y - x) / t); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[LessEqual[N[(z / t), $MachinePrecision], -4e+42], N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision], If[LessEqual[N[(z / t), $MachinePrecision], 0.2], N[(x + N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(z * N[(N[(y - x), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -4 \cdot 10^{+42}:\\
\;\;\;\;\frac{\left(y - x\right) \cdot z}{t}\\
\mathbf{elif}\;\frac{z}{t} \leq 0.2:\\
\;\;\;\;x + y \cdot \frac{z}{t}\\
\mathbf{else}:\\
\;\;\;\;z \cdot \frac{y - x}{t}\\
\end{array}
\end{array}
if (/.f64 z t) < -4.00000000000000018e42Initial program 93.9%
Taylor expanded in z around inf 89.1%
Taylor expanded in t around inf 96.8%
if -4.00000000000000018e42 < (/.f64 z t) < 0.20000000000000001Initial program 98.3%
Taylor expanded in y around inf 90.7%
associate-*r/95.8%
Simplified95.8%
if 0.20000000000000001 < (/.f64 z t) Initial program 95.4%
Taylor expanded in z around inf 89.1%
Taylor expanded in y around 0 89.1%
neg-mul-189.1%
+-commutative89.1%
sub-neg89.1%
div-sub94.0%
Simplified94.0%
Final simplification95.6%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -3e-34) (not (<= (/ z t) 2.4e-16))) (* y (/ z t)) x))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -3e-34) || !((z / t) <= 2.4e-16)) {
tmp = y * (z / t);
} else {
tmp = x;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if (((z / t) <= (-3d-34)) .or. (.not. ((z / t) <= 2.4d-16))) then
tmp = y * (z / t)
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -3e-34) || !((z / t) <= 2.4e-16)) {
tmp = y * (z / t);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -3e-34) or not ((z / t) <= 2.4e-16): tmp = y * (z / t) else: tmp = x return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -3e-34) || !(Float64(z / t) <= 2.4e-16)) tmp = Float64(y * Float64(z / t)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (((z / t) <= -3e-34) || ~(((z / t) <= 2.4e-16))) tmp = y * (z / t); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -3e-34], N[Not[LessEqual[N[(z / t), $MachinePrecision], 2.4e-16]], $MachinePrecision]], N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -3 \cdot 10^{-34} \lor \neg \left(\frac{z}{t} \leq 2.4 \cdot 10^{-16}\right):\\
\;\;\;\;y \cdot \frac{z}{t}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if (/.f64 z t) < -3e-34 or 2.40000000000000005e-16 < (/.f64 z t) Initial program 95.4%
Taylor expanded in y around inf 50.5%
associate-*r/52.2%
Simplified52.2%
+-commutative52.2%
*-commutative52.2%
fma-def52.2%
Applied egg-rr52.2%
Taylor expanded in z around inf 49.8%
associate-*r/50.7%
Simplified50.7%
if -3e-34 < (/.f64 z t) < 2.40000000000000005e-16Initial program 98.0%
Taylor expanded in z around 0 71.2%
Final simplification59.7%
(FPCore (x y z t) :precision binary64 (if (<= (/ z t) -1e-30) (* y (/ z t)) (if (<= (/ z t) 2e-20) x (* z (/ y t)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((z / t) <= -1e-30) {
tmp = y * (z / t);
} else if ((z / t) <= 2e-20) {
tmp = x;
} else {
tmp = z * (y / t);
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: tmp
if ((z / t) <= (-1d-30)) then
tmp = y * (z / t)
else if ((z / t) <= 2d-20) then
tmp = x
else
tmp = z * (y / t)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((z / t) <= -1e-30) {
tmp = y * (z / t);
} else if ((z / t) <= 2e-20) {
tmp = x;
} else {
tmp = z * (y / t);
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (z / t) <= -1e-30: tmp = y * (z / t) elif (z / t) <= 2e-20: tmp = x else: tmp = z * (y / t) return tmp
function code(x, y, z, t) tmp = 0.0 if (Float64(z / t) <= -1e-30) tmp = Float64(y * Float64(z / t)); elseif (Float64(z / t) <= 2e-20) tmp = x; else tmp = Float64(z * Float64(y / t)); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((z / t) <= -1e-30) tmp = y * (z / t); elseif ((z / t) <= 2e-20) tmp = x; else tmp = z * (y / t); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[LessEqual[N[(z / t), $MachinePrecision], -1e-30], N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision], If[LessEqual[N[(z / t), $MachinePrecision], 2e-20], x, N[(z * N[(y / t), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -1 \cdot 10^{-30}:\\
\;\;\;\;y \cdot \frac{z}{t}\\
\mathbf{elif}\;\frac{z}{t} \leq 2 \cdot 10^{-20}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;z \cdot \frac{y}{t}\\
\end{array}
\end{array}
if (/.f64 z t) < -1e-30Initial program 95.2%
Taylor expanded in y around inf 50.6%
associate-*r/52.4%
Simplified52.4%
+-commutative52.4%
*-commutative52.4%
fma-def52.4%
Applied egg-rr52.4%
Taylor expanded in z around inf 49.1%
associate-*r/49.7%
Simplified49.7%
if -1e-30 < (/.f64 z t) < 1.99999999999999989e-20Initial program 98.0%
Taylor expanded in z around 0 71.2%
if 1.99999999999999989e-20 < (/.f64 z t) Initial program 95.6%
Taylor expanded in z around inf 87.9%
Taylor expanded in y around inf 52.1%
Final simplification59.7%
(FPCore (x y z t) :precision binary64 (+ x (* (- y x) (/ z t))))
double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x + ((y - x) * (z / t))
end function
public static double code(double x, double y, double z, double t) {
return x + ((y - x) * (z / t));
}
def code(x, y, z, t): return x + ((y - x) * (z / t))
function code(x, y, z, t) return Float64(x + Float64(Float64(y - x) * Float64(z / t))) end
function tmp = code(x, y, z, t) tmp = x + ((y - x) * (z / t)); end
code[x_, y_, z_, t_] := N[(x + N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \left(y - x\right) \cdot \frac{z}{t}
\end{array}
Initial program 96.5%
Final simplification96.5%
(FPCore (x y z t) :precision binary64 x)
double code(double x, double y, double z, double t) {
return x;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
code = x
end function
public static double code(double x, double y, double z, double t) {
return x;
}
def code(x, y, z, t): return x
function code(x, y, z, t) return x end
function tmp = code(x, y, z, t) tmp = x; end
code[x_, y_, z_, t_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 96.5%
Taylor expanded in z around 0 33.4%
Final simplification33.4%
(FPCore (x y z t)
:precision binary64
(let* ((t_1 (* (- y x) (/ z t))) (t_2 (+ x (/ (- y x) (/ t z)))))
(if (< t_1 -1013646692435.8867)
t_2
(if (< t_1 0.0) (+ x (/ (* (- y x) z) t)) t_2))))
double code(double x, double y, double z, double t) {
double t_1 = (y - x) * (z / t);
double t_2 = x + ((y - x) / (t / z));
double tmp;
if (t_1 < -1013646692435.8867) {
tmp = t_2;
} else if (t_1 < 0.0) {
tmp = x + (((y - x) * z) / t);
} else {
tmp = t_2;
}
return tmp;
}
real(8) function code(x, y, z, t)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8) :: t_1
real(8) :: t_2
real(8) :: tmp
t_1 = (y - x) * (z / t)
t_2 = x + ((y - x) / (t / z))
if (t_1 < (-1013646692435.8867d0)) then
tmp = t_2
else if (t_1 < 0.0d0) then
tmp = x + (((y - x) * z) / t)
else
tmp = t_2
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double t_1 = (y - x) * (z / t);
double t_2 = x + ((y - x) / (t / z));
double tmp;
if (t_1 < -1013646692435.8867) {
tmp = t_2;
} else if (t_1 < 0.0) {
tmp = x + (((y - x) * z) / t);
} else {
tmp = t_2;
}
return tmp;
}
def code(x, y, z, t): t_1 = (y - x) * (z / t) t_2 = x + ((y - x) / (t / z)) tmp = 0 if t_1 < -1013646692435.8867: tmp = t_2 elif t_1 < 0.0: tmp = x + (((y - x) * z) / t) else: tmp = t_2 return tmp
function code(x, y, z, t) t_1 = Float64(Float64(y - x) * Float64(z / t)) t_2 = Float64(x + Float64(Float64(y - x) / Float64(t / z))) tmp = 0.0 if (t_1 < -1013646692435.8867) tmp = t_2; elseif (t_1 < 0.0) tmp = Float64(x + Float64(Float64(Float64(y - x) * z) / t)); else tmp = t_2; end return tmp end
function tmp_2 = code(x, y, z, t) t_1 = (y - x) * (z / t); t_2 = x + ((y - x) / (t / z)); tmp = 0.0; if (t_1 < -1013646692435.8867) tmp = t_2; elseif (t_1 < 0.0) tmp = x + (((y - x) * z) / t); else tmp = t_2; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := Block[{t$95$1 = N[(N[(y - x), $MachinePrecision] * N[(z / t), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(x + N[(N[(y - x), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Less[t$95$1, -1013646692435.8867], t$95$2, If[Less[t$95$1, 0.0], N[(x + N[(N[(N[(y - x), $MachinePrecision] * z), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \left(y - x\right) \cdot \frac{z}{t}\\
t_2 := x + \frac{y - x}{\frac{t}{z}}\\
\mathbf{if}\;t_1 < -1013646692435.8867:\\
\;\;\;\;t_2\\
\mathbf{elif}\;t_1 < 0:\\
\;\;\;\;x + \frac{\left(y - x\right) \cdot z}{t}\\
\mathbf{else}:\\
\;\;\;\;t_2\\
\end{array}
\end{array}
herbie shell --seed 2023224
(FPCore (x y z t)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:tickPosition from plot-0.2.3.4"
:precision binary64
:herbie-target
(if (< (* (- y x) (/ z t)) -1013646692435.8867) (+ x (/ (- y x) (/ t z))) (if (< (* (- y x) (/ z t)) 0.0) (+ x (/ (* (- y x) z) t)) (+ x (/ (- y x) (/ t z)))))
(+ x (* (- y x) (/ z t))))