
(FPCore (x y z) :precision binary64 (+ (* x y) (* (- x 1.0) z)))
double code(double x, double y, double z) {
return (x * y) + ((x - 1.0) * z);
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * y) + ((x - 1.0d0) * z)
end function
public static double code(double x, double y, double z) {
return (x * y) + ((x - 1.0) * z);
}
def code(x, y, z): return (x * y) + ((x - 1.0) * z)
function code(x, y, z) return Float64(Float64(x * y) + Float64(Float64(x - 1.0) * z)) end
function tmp = code(x, y, z) tmp = (x * y) + ((x - 1.0) * z); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(N[(x - 1.0), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + \left(x - 1\right) \cdot z
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x y) (* (- x 1.0) z)))
double code(double x, double y, double z) {
return (x * y) + ((x - 1.0) * z);
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * y) + ((x - 1.0d0) * z)
end function
public static double code(double x, double y, double z) {
return (x * y) + ((x - 1.0) * z);
}
def code(x, y, z): return (x * y) + ((x - 1.0) * z)
function code(x, y, z) return Float64(Float64(x * y) + Float64(Float64(x - 1.0) * z)) end
function tmp = code(x, y, z) tmp = (x * y) + ((x - 1.0) * z); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(N[(x - 1.0), $MachinePrecision] * z), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + \left(x - 1\right) \cdot z
\end{array}
(FPCore (x y z) :precision binary64 (- (* x (+ y z)) z))
double code(double x, double y, double z) {
return (x * (y + z)) - z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * (y + z)) - z
end function
public static double code(double x, double y, double z) {
return (x * (y + z)) - z;
}
def code(x, y, z): return (x * (y + z)) - z
function code(x, y, z) return Float64(Float64(x * Float64(y + z)) - z) end
function tmp = code(x, y, z) tmp = (x * (y + z)) - z; end
code[x_, y_, z_] := N[(N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision] - z), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(y + z\right) - z
\end{array}
Initial program 96.9%
*-commutative96.9%
sub-neg96.9%
distribute-rgt-in96.9%
metadata-eval96.9%
neg-mul-196.9%
associate-+r+96.9%
unsub-neg96.9%
distribute-lft-out100.0%
Simplified100.0%
(FPCore (x y z) :precision binary64 (if (<= x -1.4e-20) (* x y) (if (<= x 8.5e-49) (- z) (if (<= x 4.6e+26) (* x y) (* x z)))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.4e-20) {
tmp = x * y;
} else if (x <= 8.5e-49) {
tmp = -z;
} else if (x <= 4.6e+26) {
tmp = x * y;
} else {
tmp = x * z;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (x <= (-1.4d-20)) then
tmp = x * y
else if (x <= 8.5d-49) then
tmp = -z
else if (x <= 4.6d+26) then
tmp = x * y
else
tmp = x * z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -1.4e-20) {
tmp = x * y;
} else if (x <= 8.5e-49) {
tmp = -z;
} else if (x <= 4.6e+26) {
tmp = x * y;
} else {
tmp = x * z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -1.4e-20: tmp = x * y elif x <= 8.5e-49: tmp = -z elif x <= 4.6e+26: tmp = x * y else: tmp = x * z return tmp
function code(x, y, z) tmp = 0.0 if (x <= -1.4e-20) tmp = Float64(x * y); elseif (x <= 8.5e-49) tmp = Float64(-z); elseif (x <= 4.6e+26) tmp = Float64(x * y); else tmp = Float64(x * z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -1.4e-20) tmp = x * y; elseif (x <= 8.5e-49) tmp = -z; elseif (x <= 4.6e+26) tmp = x * y; else tmp = x * z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -1.4e-20], N[(x * y), $MachinePrecision], If[LessEqual[x, 8.5e-49], (-z), If[LessEqual[x, 4.6e+26], N[(x * y), $MachinePrecision], N[(x * z), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.4 \cdot 10^{-20}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 8.5 \cdot 10^{-49}:\\
\;\;\;\;-z\\
\mathbf{elif}\;x \leq 4.6 \cdot 10^{+26}:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;x \cdot z\\
\end{array}
\end{array}
if x < -1.4000000000000001e-20 or 8.50000000000000069e-49 < x < 4.6000000000000001e26Initial program 94.6%
Taylor expanded in y around inf 57.4%
if -1.4000000000000001e-20 < x < 8.50000000000000069e-49Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in z around inf 97.8%
Taylor expanded in x around 0 79.2%
neg-mul-179.2%
Simplified79.2%
if 4.6000000000000001e26 < x Initial program 92.1%
Taylor expanded in x around inf 100.0%
+-commutative100.0%
Simplified100.0%
Taylor expanded in z around inf 65.5%
(FPCore (x y z) :precision binary64 (if (or (<= x -1.0) (not (<= x 1.0))) (* x (+ y z)) (- (* x y) z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -1.0) || !(x <= 1.0)) {
tmp = x * (y + z);
} else {
tmp = (x * y) - z;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((x <= (-1.0d0)) .or. (.not. (x <= 1.0d0))) then
tmp = x * (y + z)
else
tmp = (x * y) - z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -1.0) || !(x <= 1.0)) {
tmp = x * (y + z);
} else {
tmp = (x * y) - z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -1.0) or not (x <= 1.0): tmp = x * (y + z) else: tmp = (x * y) - z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -1.0) || !(x <= 1.0)) tmp = Float64(x * Float64(y + z)); else tmp = Float64(Float64(x * y) - z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -1.0) || ~((x <= 1.0))) tmp = x * (y + z); else tmp = (x * y) - z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -1.0], N[Not[LessEqual[x, 1.0]], $MachinePrecision]], N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision], N[(N[(x * y), $MachinePrecision] - z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1 \lor \neg \left(x \leq 1\right):\\
\;\;\;\;x \cdot \left(y + z\right)\\
\mathbf{else}:\\
\;\;\;\;x \cdot y - z\\
\end{array}
\end{array}
if x < -1 or 1 < x Initial program 92.4%
Taylor expanded in x around inf 99.2%
+-commutative99.2%
Simplified99.2%
if -1 < x < 1Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in y around inf 99.1%
Final simplification99.2%
(FPCore (x y z) :precision binary64 (if (or (<= x -2.8e-20) (not (<= x 1.8e-49))) (* x (+ y z)) (* z (+ x -1.0))))
double code(double x, double y, double z) {
double tmp;
if ((x <= -2.8e-20) || !(x <= 1.8e-49)) {
tmp = x * (y + z);
} else {
tmp = z * (x + -1.0);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((x <= (-2.8d-20)) .or. (.not. (x <= 1.8d-49))) then
tmp = x * (y + z)
else
tmp = z * (x + (-1.0d0))
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -2.8e-20) || !(x <= 1.8e-49)) {
tmp = x * (y + z);
} else {
tmp = z * (x + -1.0);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -2.8e-20) or not (x <= 1.8e-49): tmp = x * (y + z) else: tmp = z * (x + -1.0) return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -2.8e-20) || !(x <= 1.8e-49)) tmp = Float64(x * Float64(y + z)); else tmp = Float64(z * Float64(x + -1.0)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -2.8e-20) || ~((x <= 1.8e-49))) tmp = x * (y + z); else tmp = z * (x + -1.0); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -2.8e-20], N[Not[LessEqual[x, 1.8e-49]], $MachinePrecision]], N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision], N[(z * N[(x + -1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -2.8 \cdot 10^{-20} \lor \neg \left(x \leq 1.8 \cdot 10^{-49}\right):\\
\;\;\;\;x \cdot \left(y + z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(x + -1\right)\\
\end{array}
\end{array}
if x < -2.8000000000000003e-20 or 1.79999999999999985e-49 < x Initial program 93.6%
Taylor expanded in x around inf 93.4%
+-commutative93.4%
Simplified93.4%
if -2.8000000000000003e-20 < x < 1.79999999999999985e-49Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in z around inf 97.8%
Taylor expanded in z around inf 79.2%
Final simplification86.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.4e-22) (not (<= x 1.18e-48))) (* x (+ y z)) (- z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.4e-22) || !(x <= 1.18e-48)) {
tmp = x * (y + z);
} else {
tmp = -z;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((x <= (-5.4d-22)) .or. (.not. (x <= 1.18d-48))) then
tmp = x * (y + z)
else
tmp = -z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -5.4e-22) || !(x <= 1.18e-48)) {
tmp = x * (y + z);
} else {
tmp = -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -5.4e-22) or not (x <= 1.18e-48): tmp = x * (y + z) else: tmp = -z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -5.4e-22) || !(x <= 1.18e-48)) tmp = Float64(x * Float64(y + z)); else tmp = Float64(-z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -5.4e-22) || ~((x <= 1.18e-48))) tmp = x * (y + z); else tmp = -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.4e-22], N[Not[LessEqual[x, 1.18e-48]], $MachinePrecision]], N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision], (-z)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.4 \cdot 10^{-22} \lor \neg \left(x \leq 1.18 \cdot 10^{-48}\right):\\
\;\;\;\;x \cdot \left(y + z\right)\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if x < -5.4000000000000004e-22 or 1.18000000000000007e-48 < x Initial program 93.6%
Taylor expanded in x around inf 93.4%
+-commutative93.4%
Simplified93.4%
if -5.4000000000000004e-22 < x < 1.18000000000000007e-48Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in z around inf 97.8%
Taylor expanded in x around 0 79.2%
neg-mul-179.2%
Simplified79.2%
Final simplification86.1%
(FPCore (x y z) :precision binary64 (if (or (<= x -8e-21) (not (<= x 1.35e-52))) (* x y) (- z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -8e-21) || !(x <= 1.35e-52)) {
tmp = x * y;
} else {
tmp = -z;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((x <= (-8d-21)) .or. (.not. (x <= 1.35d-52))) then
tmp = x * y
else
tmp = -z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((x <= -8e-21) || !(x <= 1.35e-52)) {
tmp = x * y;
} else {
tmp = -z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (x <= -8e-21) or not (x <= 1.35e-52): tmp = x * y else: tmp = -z return tmp
function code(x, y, z) tmp = 0.0 if ((x <= -8e-21) || !(x <= 1.35e-52)) tmp = Float64(x * y); else tmp = Float64(-z); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((x <= -8e-21) || ~((x <= 1.35e-52))) tmp = x * y; else tmp = -z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[x, -8e-21], N[Not[LessEqual[x, 1.35e-52]], $MachinePrecision]], N[(x * y), $MachinePrecision], (-z)]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -8 \cdot 10^{-21} \lor \neg \left(x \leq 1.35 \cdot 10^{-52}\right):\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;-z\\
\end{array}
\end{array}
if x < -7.99999999999999926e-21 or 1.35000000000000005e-52 < x Initial program 93.6%
Taylor expanded in y around inf 51.4%
if -7.99999999999999926e-21 < x < 1.35000000000000005e-52Initial program 100.0%
*-commutative100.0%
sub-neg100.0%
distribute-rgt-in100.0%
metadata-eval100.0%
neg-mul-1100.0%
associate-+r+100.0%
unsub-neg100.0%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in z around inf 97.8%
Taylor expanded in x around 0 79.2%
neg-mul-179.2%
Simplified79.2%
Final simplification65.6%
(FPCore (x y z) :precision binary64 (- z))
double code(double x, double y, double z) {
return -z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = -z
end function
public static double code(double x, double y, double z) {
return -z;
}
def code(x, y, z): return -z
function code(x, y, z) return Float64(-z) end
function tmp = code(x, y, z) tmp = -z; end
code[x_, y_, z_] := (-z)
\begin{array}{l}
\\
-z
\end{array}
Initial program 96.9%
*-commutative96.9%
sub-neg96.9%
distribute-rgt-in96.9%
metadata-eval96.9%
neg-mul-196.9%
associate-+r+96.9%
unsub-neg96.9%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in z around inf 93.6%
Taylor expanded in x around 0 44.1%
neg-mul-144.1%
Simplified44.1%
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
Initial program 96.9%
*-commutative96.9%
sub-neg96.9%
distribute-rgt-in96.9%
metadata-eval96.9%
neg-mul-196.9%
associate-+r+96.9%
unsub-neg96.9%
distribute-lft-out100.0%
Simplified100.0%
Taylor expanded in z around inf 93.6%
Taylor expanded in x around 0 44.1%
neg-mul-144.1%
Simplified44.1%
neg-sub044.1%
sub-neg44.1%
add-sqr-sqrt21.5%
sqrt-unprod17.8%
sqr-neg17.8%
sqrt-unprod1.3%
add-sqr-sqrt2.6%
Applied egg-rr2.6%
+-lft-identity2.6%
Simplified2.6%
herbie shell --seed 2024170
(FPCore (x y z)
:name "Graphics.Rendering.Chart.Drawing:drawTextsR from Chart-1.5.3"
:precision binary64
(+ (* x y) (* (- x 1.0) z)))