
(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 10 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 98.4%
+-commutative98.4%
fma-def98.4%
Simplified98.4%
Final simplification98.4%
(FPCore (x y z t) :precision binary64 (if (<= (/ z t) -4e+174) (* x (/ (- z) t)) (if (or (<= (/ z t) -5e-67) (not (<= (/ z t) 1e-35))) (* y (/ z t)) x)))
double code(double x, double y, double z, double t) {
double tmp;
if ((z / t) <= -4e+174) {
tmp = x * (-z / t);
} else if (((z / t) <= -5e-67) || !((z / t) <= 1e-35)) {
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) <= (-4d+174)) then
tmp = x * (-z / t)
else if (((z / t) <= (-5d-67)) .or. (.not. ((z / t) <= 1d-35))) 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) <= -4e+174) {
tmp = x * (-z / t);
} else if (((z / t) <= -5e-67) || !((z / t) <= 1e-35)) {
tmp = y * (z / t);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (z / t) <= -4e+174: tmp = x * (-z / t) elif ((z / t) <= -5e-67) or not ((z / t) <= 1e-35): tmp = y * (z / t) else: tmp = x return tmp
function code(x, y, z, t) tmp = 0.0 if (Float64(z / t) <= -4e+174) tmp = Float64(x * Float64(Float64(-z) / t)); elseif ((Float64(z / t) <= -5e-67) || !(Float64(z / t) <= 1e-35)) 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) <= -4e+174) tmp = x * (-z / t); elseif (((z / t) <= -5e-67) || ~(((z / t) <= 1e-35))) tmp = y * (z / t); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[LessEqual[N[(z / t), $MachinePrecision], -4e+174], N[(x * N[((-z) / t), $MachinePrecision]), $MachinePrecision], If[Or[LessEqual[N[(z / t), $MachinePrecision], -5e-67], N[Not[LessEqual[N[(z / t), $MachinePrecision], 1e-35]], $MachinePrecision]], N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -4 \cdot 10^{+174}:\\
\;\;\;\;x \cdot \frac{-z}{t}\\
\mathbf{elif}\;\frac{z}{t} \leq -5 \cdot 10^{-67} \lor \neg \left(\frac{z}{t} \leq 10^{-35}\right):\\
\;\;\;\;y \cdot \frac{z}{t}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if (/.f64 z t) < -4.00000000000000028e174Initial program 96.5%
Taylor expanded in x around inf 65.2%
mul-1-neg65.2%
unsub-neg65.2%
Simplified65.2%
Taylor expanded in z around inf 65.2%
mul-1-neg65.2%
distribute-frac-neg65.2%
Simplified65.2%
if -4.00000000000000028e174 < (/.f64 z t) < -4.9999999999999999e-67 or 1.00000000000000001e-35 < (/.f64 z t) Initial program 98.2%
Taylor expanded in z around inf 82.3%
Taylor expanded in y around inf 54.1%
clear-num53.1%
un-div-inv53.4%
Applied egg-rr53.4%
associate-/r/59.3%
Applied egg-rr59.3%
if -4.9999999999999999e-67 < (/.f64 z t) < 1.00000000000000001e-35Initial program 99.0%
Taylor expanded in z around 0 80.0%
Final simplification68.9%
(FPCore (x y z t) :precision binary64 (if (<= (/ z t) -4e+174) (* z (/ (- x) t)) (if (or (<= (/ z t) -5e-67) (not (<= (/ z t) 1e-35))) (* y (/ z t)) x)))
double code(double x, double y, double z, double t) {
double tmp;
if ((z / t) <= -4e+174) {
tmp = z * (-x / t);
} else if (((z / t) <= -5e-67) || !((z / t) <= 1e-35)) {
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) <= (-4d+174)) then
tmp = z * (-x / t)
else if (((z / t) <= (-5d-67)) .or. (.not. ((z / t) <= 1d-35))) 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) <= -4e+174) {
tmp = z * (-x / t);
} else if (((z / t) <= -5e-67) || !((z / t) <= 1e-35)) {
tmp = y * (z / t);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (z / t) <= -4e+174: tmp = z * (-x / t) elif ((z / t) <= -5e-67) or not ((z / t) <= 1e-35): tmp = y * (z / t) else: tmp = x return tmp
function code(x, y, z, t) tmp = 0.0 if (Float64(z / t) <= -4e+174) tmp = Float64(z * Float64(Float64(-x) / t)); elseif ((Float64(z / t) <= -5e-67) || !(Float64(z / t) <= 1e-35)) 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) <= -4e+174) tmp = z * (-x / t); elseif (((z / t) <= -5e-67) || ~(((z / t) <= 1e-35))) tmp = y * (z / t); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[LessEqual[N[(z / t), $MachinePrecision], -4e+174], N[(z * N[((-x) / t), $MachinePrecision]), $MachinePrecision], If[Or[LessEqual[N[(z / t), $MachinePrecision], -5e-67], N[Not[LessEqual[N[(z / t), $MachinePrecision], 1e-35]], $MachinePrecision]], N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -4 \cdot 10^{+174}:\\
\;\;\;\;z \cdot \frac{-x}{t}\\
\mathbf{elif}\;\frac{z}{t} \leq -5 \cdot 10^{-67} \lor \neg \left(\frac{z}{t} \leq 10^{-35}\right):\\
\;\;\;\;y \cdot \frac{z}{t}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if (/.f64 z t) < -4.00000000000000028e174Initial program 96.5%
Taylor expanded in z around inf 96.3%
Taylor expanded in y around 0 68.5%
neg-mul-168.5%
distribute-neg-frac68.5%
Simplified68.5%
if -4.00000000000000028e174 < (/.f64 z t) < -4.9999999999999999e-67 or 1.00000000000000001e-35 < (/.f64 z t) Initial program 98.2%
Taylor expanded in z around inf 82.3%
Taylor expanded in y around inf 54.1%
clear-num53.1%
un-div-inv53.4%
Applied egg-rr53.4%
associate-/r/59.3%
Applied egg-rr59.3%
if -4.9999999999999999e-67 < (/.f64 z t) < 1.00000000000000001e-35Initial program 99.0%
Taylor expanded in z around 0 80.0%
Final simplification69.2%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -5.0) (not (<= (/ z t) 0.2))) (/ (- y x) (/ t z)) (+ x (* y (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -5.0) || !((z / t) <= 0.2)) {
tmp = (y - x) / (t / z);
} 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) <= (-5.0d0)) .or. (.not. ((z / t) <= 0.2d0))) then
tmp = (y - x) / (t / z)
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) <= -5.0) || !((z / t) <= 0.2)) {
tmp = (y - x) / (t / z);
} else {
tmp = x + (y * (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -5.0) or not ((z / t) <= 0.2): tmp = (y - x) / (t / z) else: tmp = x + (y * (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -5.0) || !(Float64(z / t) <= 0.2)) tmp = Float64(Float64(y - x) / Float64(t / z)); 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) <= -5.0) || ~(((z / t) <= 0.2))) tmp = (y - x) / (t / z); else tmp = x + (y * (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -5.0], N[Not[LessEqual[N[(z / t), $MachinePrecision], 0.2]], $MachinePrecision]], N[(N[(y - x), $MachinePrecision] / N[(t / z), $MachinePrecision]), $MachinePrecision], N[(x + N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -5 \lor \neg \left(\frac{z}{t} \leq 0.2\right):\\
\;\;\;\;\frac{y - x}{\frac{t}{z}}\\
\mathbf{else}:\\
\;\;\;\;x + y \cdot \frac{z}{t}\\
\end{array}
\end{array}
if (/.f64 z t) < -5 or 0.20000000000000001 < (/.f64 z t) Initial program 97.7%
Taylor expanded in z around inf 90.3%
*-commutative90.3%
sub-div92.6%
associate-/r/96.7%
Applied egg-rr96.7%
if -5 < (/.f64 z t) < 0.20000000000000001Initial program 99.1%
Taylor expanded in y around inf 94.5%
associate-*r/97.5%
Simplified97.5%
Final simplification97.1%
(FPCore (x y z t) :precision binary64 (if (or (<= (/ z t) -5e-67) (not (<= (/ z t) 1e-35))) (* y (/ z t)) x))
double code(double x, double y, double z, double t) {
double tmp;
if (((z / t) <= -5e-67) || !((z / t) <= 1e-35)) {
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) <= (-5d-67)) .or. (.not. ((z / t) <= 1d-35))) 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) <= -5e-67) || !((z / t) <= 1e-35)) {
tmp = y * (z / t);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if ((z / t) <= -5e-67) or not ((z / t) <= 1e-35): tmp = y * (z / t) else: tmp = x return tmp
function code(x, y, z, t) tmp = 0.0 if ((Float64(z / t) <= -5e-67) || !(Float64(z / t) <= 1e-35)) 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) <= -5e-67) || ~(((z / t) <= 1e-35))) tmp = y * (z / t); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[N[(z / t), $MachinePrecision], -5e-67], N[Not[LessEqual[N[(z / t), $MachinePrecision], 1e-35]], $MachinePrecision]], N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\frac{z}{t} \leq -5 \cdot 10^{-67} \lor \neg \left(\frac{z}{t} \leq 10^{-35}\right):\\
\;\;\;\;y \cdot \frac{z}{t}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if (/.f64 z t) < -4.9999999999999999e-67 or 1.00000000000000001e-35 < (/.f64 z t) Initial program 97.9%
Taylor expanded in z around inf 85.0%
Taylor expanded in y around inf 51.5%
clear-num50.7%
un-div-inv50.9%
Applied egg-rr50.9%
associate-/r/57.0%
Applied egg-rr57.0%
if -4.9999999999999999e-67 < (/.f64 z t) < 1.00000000000000001e-35Initial program 99.0%
Taylor expanded in z around 0 80.0%
Final simplification66.9%
(FPCore (x y z t) :precision binary64 (if (or (<= x -4.9e-63) (not (<= x 2.76e-132))) (* x (- 1.0 (/ z t))) (* y (/ z t))))
double code(double x, double y, double z, double t) {
double tmp;
if ((x <= -4.9e-63) || !(x <= 2.76e-132)) {
tmp = x * (1.0 - (z / t));
} else {
tmp = 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 ((x <= (-4.9d-63)) .or. (.not. (x <= 2.76d-132))) then
tmp = x * (1.0d0 - (z / t))
else
tmp = y * (z / t)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((x <= -4.9e-63) || !(x <= 2.76e-132)) {
tmp = x * (1.0 - (z / t));
} else {
tmp = y * (z / t);
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (x <= -4.9e-63) or not (x <= 2.76e-132): tmp = x * (1.0 - (z / t)) else: tmp = y * (z / t) return tmp
function code(x, y, z, t) tmp = 0.0 if ((x <= -4.9e-63) || !(x <= 2.76e-132)) tmp = Float64(x * Float64(1.0 - Float64(z / t))); else tmp = Float64(y * Float64(z / t)); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((x <= -4.9e-63) || ~((x <= 2.76e-132))) tmp = x * (1.0 - (z / t)); else tmp = y * (z / t); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[x, -4.9e-63], N[Not[LessEqual[x, 2.76e-132]], $MachinePrecision]], N[(x * N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.9 \cdot 10^{-63} \lor \neg \left(x \leq 2.76 \cdot 10^{-132}\right):\\
\;\;\;\;x \cdot \left(1 - \frac{z}{t}\right)\\
\mathbf{else}:\\
\;\;\;\;y \cdot \frac{z}{t}\\
\end{array}
\end{array}
if x < -4.90000000000000015e-63 or 2.76e-132 < x Initial program 99.9%
Taylor expanded in x around inf 82.5%
mul-1-neg82.5%
unsub-neg82.5%
Simplified82.5%
if -4.90000000000000015e-63 < x < 2.76e-132Initial program 95.5%
Taylor expanded in z around inf 73.2%
Taylor expanded in y around inf 67.7%
clear-num66.3%
un-div-inv66.7%
Applied egg-rr66.7%
associate-/r/71.6%
Applied egg-rr71.6%
Final simplification78.8%
(FPCore (x y z t) :precision binary64 (if (or (<= y -2.6e-167) (not (<= y 2.6e-127))) (+ x (* y (/ z t))) (* x (- 1.0 (/ z t)))))
double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -2.6e-167) || !(y <= 2.6e-127)) {
tmp = x + (y * (z / t));
} else {
tmp = x * (1.0 - (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 ((y <= (-2.6d-167)) .or. (.not. (y <= 2.6d-127))) then
tmp = x + (y * (z / t))
else
tmp = x * (1.0d0 - (z / t))
end if
code = tmp
end function
public static double code(double x, double y, double z, double t) {
double tmp;
if ((y <= -2.6e-167) || !(y <= 2.6e-127)) {
tmp = x + (y * (z / t));
} else {
tmp = x * (1.0 - (z / t));
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if (y <= -2.6e-167) or not (y <= 2.6e-127): tmp = x + (y * (z / t)) else: tmp = x * (1.0 - (z / t)) return tmp
function code(x, y, z, t) tmp = 0.0 if ((y <= -2.6e-167) || !(y <= 2.6e-127)) tmp = Float64(x + Float64(y * Float64(z / t))); else tmp = Float64(x * Float64(1.0 - Float64(z / t))); end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if ((y <= -2.6e-167) || ~((y <= 2.6e-127))) tmp = x + (y * (z / t)); else tmp = x * (1.0 - (z / t)); end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[Or[LessEqual[y, -2.6e-167], N[Not[LessEqual[y, 2.6e-127]], $MachinePrecision]], N[(x + N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(x * N[(1.0 - N[(z / t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -2.6 \cdot 10^{-167} \lor \neg \left(y \leq 2.6 \cdot 10^{-127}\right):\\
\;\;\;\;x + y \cdot \frac{z}{t}\\
\mathbf{else}:\\
\;\;\;\;x \cdot \left(1 - \frac{z}{t}\right)\\
\end{array}
\end{array}
if y < -2.5999999999999999e-167 or 2.59999999999999991e-127 < y Initial program 98.8%
Taylor expanded in y around inf 85.4%
associate-*r/89.0%
Simplified89.0%
if -2.5999999999999999e-167 < y < 2.59999999999999991e-127Initial program 97.3%
Taylor expanded in x around inf 93.5%
mul-1-neg93.5%
unsub-neg93.5%
Simplified93.5%
Final simplification90.2%
(FPCore (x y z t) :precision binary64 (if (<= t -1.12e-29) x (if (<= t 4e-57) (* z (/ y t)) x)))
double code(double x, double y, double z, double t) {
double tmp;
if (t <= -1.12e-29) {
tmp = x;
} else if (t <= 4e-57) {
tmp = z * (y / 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 (t <= (-1.12d-29)) then
tmp = x
else if (t <= 4d-57) then
tmp = z * (y / 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 (t <= -1.12e-29) {
tmp = x;
} else if (t <= 4e-57) {
tmp = z * (y / t);
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t): tmp = 0 if t <= -1.12e-29: tmp = x elif t <= 4e-57: tmp = z * (y / t) else: tmp = x return tmp
function code(x, y, z, t) tmp = 0.0 if (t <= -1.12e-29) tmp = x; elseif (t <= 4e-57) tmp = Float64(z * Float64(y / t)); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t) tmp = 0.0; if (t <= -1.12e-29) tmp = x; elseif (t <= 4e-57) tmp = z * (y / t); else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_] := If[LessEqual[t, -1.12e-29], x, If[LessEqual[t, 4e-57], N[(z * N[(y / t), $MachinePrecision]), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -1.12 \cdot 10^{-29}:\\
\;\;\;\;x\\
\mathbf{elif}\;t \leq 4 \cdot 10^{-57}:\\
\;\;\;\;z \cdot \frac{y}{t}\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if t < -1.11999999999999995e-29 or 3.99999999999999982e-57 < t Initial program 99.2%
Taylor expanded in z around 0 61.2%
if -1.11999999999999995e-29 < t < 3.99999999999999982e-57Initial program 97.5%
Taylor expanded in z around inf 79.7%
Taylor expanded in y around inf 49.2%
Final simplification55.8%
(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 98.4%
Final simplification98.4%
(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 98.4%
Taylor expanded in z around 0 38.0%
Final simplification38.0%
(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 2023322
(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))))