
(FPCore (x y z) :precision binary64 (+ (* x (+ y z)) (* z 5.0)))
double code(double x, double y, double z) {
return (x * (y + z)) + (z * 5.0);
}
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 * 5.0d0)
end function
public static double code(double x, double y, double z) {
return (x * (y + z)) + (z * 5.0);
}
def code(x, y, z): return (x * (y + z)) + (z * 5.0)
function code(x, y, z) return Float64(Float64(x * Float64(y + z)) + Float64(z * 5.0)) end
function tmp = code(x, y, z) tmp = (x * (y + z)) + (z * 5.0); end
code[x_, y_, z_] := N[(N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(y + z\right) + z \cdot 5
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x (+ y z)) (* z 5.0)))
double code(double x, double y, double z) {
return (x * (y + z)) + (z * 5.0);
}
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 * 5.0d0)
end function
public static double code(double x, double y, double z) {
return (x * (y + z)) + (z * 5.0);
}
def code(x, y, z): return (x * (y + z)) + (z * 5.0)
function code(x, y, z) return Float64(Float64(x * Float64(y + z)) + Float64(z * 5.0)) end
function tmp = code(x, y, z) tmp = (x * (y + z)) + (z * 5.0); end
code[x_, y_, z_] := N[(N[(x * N[(y + z), $MachinePrecision]), $MachinePrecision] + N[(z * 5.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot \left(y + z\right) + z \cdot 5
\end{array}
(FPCore (x y z) :precision binary64 (fma z 5.0 (* (+ y z) x)))
double code(double x, double y, double z) {
return fma(z, 5.0, ((y + z) * x));
}
function code(x, y, z) return fma(z, 5.0, Float64(Float64(y + z) * x)) end
code[x_, y_, z_] := N[(z * 5.0 + N[(N[(y + z), $MachinePrecision] * x), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(z, 5, \left(y + z\right) \cdot x\right)
\end{array}
Initial program 99.5%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(if (<= x -4.6e+202)
(* x y)
(if (<= x -1.55e+24)
(* x z)
(if (<= x -7.5e-60)
(* x y)
(if (<= x 5.0) (* 5.0 z) (if (<= x 2.2e+160) (* x z) (* x y)))))))
double code(double x, double y, double z) {
double tmp;
if (x <= -4.6e+202) {
tmp = x * y;
} else if (x <= -1.55e+24) {
tmp = x * z;
} else if (x <= -7.5e-60) {
tmp = x * y;
} else if (x <= 5.0) {
tmp = 5.0 * z;
} else if (x <= 2.2e+160) {
tmp = x * z;
} else {
tmp = x * y;
}
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 <= (-4.6d+202)) then
tmp = x * y
else if (x <= (-1.55d+24)) then
tmp = x * z
else if (x <= (-7.5d-60)) then
tmp = x * y
else if (x <= 5.0d0) then
tmp = 5.0d0 * z
else if (x <= 2.2d+160) then
tmp = x * z
else
tmp = x * y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -4.6e+202) {
tmp = x * y;
} else if (x <= -1.55e+24) {
tmp = x * z;
} else if (x <= -7.5e-60) {
tmp = x * y;
} else if (x <= 5.0) {
tmp = 5.0 * z;
} else if (x <= 2.2e+160) {
tmp = x * z;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -4.6e+202: tmp = x * y elif x <= -1.55e+24: tmp = x * z elif x <= -7.5e-60: tmp = x * y elif x <= 5.0: tmp = 5.0 * z elif x <= 2.2e+160: tmp = x * z else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -4.6e+202) tmp = Float64(x * y); elseif (x <= -1.55e+24) tmp = Float64(x * z); elseif (x <= -7.5e-60) tmp = Float64(x * y); elseif (x <= 5.0) tmp = Float64(5.0 * z); elseif (x <= 2.2e+160) tmp = Float64(x * z); else tmp = Float64(x * y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -4.6e+202) tmp = x * y; elseif (x <= -1.55e+24) tmp = x * z; elseif (x <= -7.5e-60) tmp = x * y; elseif (x <= 5.0) tmp = 5.0 * z; elseif (x <= 2.2e+160) tmp = x * z; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -4.6e+202], N[(x * y), $MachinePrecision], If[LessEqual[x, -1.55e+24], N[(x * z), $MachinePrecision], If[LessEqual[x, -7.5e-60], N[(x * y), $MachinePrecision], If[LessEqual[x, 5.0], N[(5.0 * z), $MachinePrecision], If[LessEqual[x, 2.2e+160], N[(x * z), $MachinePrecision], N[(x * y), $MachinePrecision]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -4.6 \cdot 10^{+202}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq -1.55 \cdot 10^{+24}:\\
\;\;\;\;x \cdot z\\
\mathbf{elif}\;x \leq -7.5 \cdot 10^{-60}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 5:\\
\;\;\;\;5 \cdot z\\
\mathbf{elif}\;x \leq 2.2 \cdot 10^{+160}:\\
\;\;\;\;x \cdot z\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -4.59999999999999998e202 or -1.55000000000000005e24 < x < -7.5000000000000002e-60 or 2.19999999999999992e160 < x Initial program 100.0%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f6469.7
Applied rewrites69.7%
if -4.59999999999999998e202 < x < -1.55000000000000005e24 or 5 < x < 2.19999999999999992e160Initial program 98.7%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
Applied rewrites100.0%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-inN/A
*-commutativeN/A
distribute-lft-neg-inN/A
mul-1-negN/A
remove-double-negN/A
lower-*.f64N/A
lower-+.f6499.8
Applied rewrites99.8%
Taylor expanded in y around 0
Applied rewrites63.2%
if -7.5000000000000002e-60 < x < 5Initial program 99.9%
Taylor expanded in x around 0
lower-*.f6475.6
Applied rewrites75.6%
Final simplification70.5%
(FPCore (x y z) :precision binary64 (if (<= x -1.3e+19) (fma z x (* x y)) (if (<= x 5.0) (fma 5.0 z (* x y)) (* (+ y z) x))))
double code(double x, double y, double z) {
double tmp;
if (x <= -1.3e+19) {
tmp = fma(z, x, (x * y));
} else if (x <= 5.0) {
tmp = fma(5.0, z, (x * y));
} else {
tmp = (y + z) * x;
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (x <= -1.3e+19) tmp = fma(z, x, Float64(x * y)); elseif (x <= 5.0) tmp = fma(5.0, z, Float64(x * y)); else tmp = Float64(Float64(y + z) * x); end return tmp end
code[x_, y_, z_] := If[LessEqual[x, -1.3e+19], N[(z * x + N[(x * y), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 5.0], N[(5.0 * z + N[(x * y), $MachinePrecision]), $MachinePrecision], N[(N[(y + z), $MachinePrecision] * x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -1.3 \cdot 10^{+19}:\\
\;\;\;\;\mathsf{fma}\left(z, x, x \cdot y\right)\\
\mathbf{elif}\;x \leq 5:\\
\;\;\;\;\mathsf{fma}\left(5, z, x \cdot y\right)\\
\mathbf{else}:\\
\;\;\;\;\left(y + z\right) \cdot x\\
\end{array}
\end{array}
if x < -1.3e19Initial program 98.4%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
Applied rewrites100.0%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-inN/A
*-commutativeN/A
distribute-lft-neg-inN/A
mul-1-negN/A
remove-double-negN/A
lower-*.f64N/A
lower-+.f64100.0
Applied rewrites100.0%
Applied rewrites100.0%
if -1.3e19 < x < 5Initial program 99.9%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f6499.9
lift-*.f64N/A
*-commutativeN/A
lower-*.f6499.9
Applied rewrites99.9%
Taylor expanded in x around 0
Applied rewrites99.5%
if 5 < x Initial program 100.0%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f6498.4
lift-*.f64N/A
*-commutativeN/A
lower-*.f6498.4
Applied rewrites98.4%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-inN/A
*-commutativeN/A
distribute-lft-neg-inN/A
mul-1-negN/A
remove-double-negN/A
lower-*.f64N/A
lower-+.f6499.8
Applied rewrites99.8%
Final simplification99.7%
(FPCore (x y z) :precision binary64 (if (<= x -7.5e-60) (fma z x (* x y)) (if (<= x 7.5e-29) (fma z 5.0 (* x z)) (* (+ y z) x))))
double code(double x, double y, double z) {
double tmp;
if (x <= -7.5e-60) {
tmp = fma(z, x, (x * y));
} else if (x <= 7.5e-29) {
tmp = fma(z, 5.0, (x * z));
} else {
tmp = (y + z) * x;
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (x <= -7.5e-60) tmp = fma(z, x, Float64(x * y)); elseif (x <= 7.5e-29) tmp = fma(z, 5.0, Float64(x * z)); else tmp = Float64(Float64(y + z) * x); end return tmp end
code[x_, y_, z_] := If[LessEqual[x, -7.5e-60], N[(z * x + N[(x * y), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 7.5e-29], N[(z * 5.0 + N[(x * z), $MachinePrecision]), $MachinePrecision], N[(N[(y + z), $MachinePrecision] * x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.5 \cdot 10^{-60}:\\
\;\;\;\;\mathsf{fma}\left(z, x, x \cdot y\right)\\
\mathbf{elif}\;x \leq 7.5 \cdot 10^{-29}:\\
\;\;\;\;\mathsf{fma}\left(z, 5, x \cdot z\right)\\
\mathbf{else}:\\
\;\;\;\;\left(y + z\right) \cdot x\\
\end{array}
\end{array}
if x < -7.5000000000000002e-60Initial program 98.6%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
Applied rewrites100.0%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-inN/A
*-commutativeN/A
distribute-lft-neg-inN/A
mul-1-negN/A
remove-double-negN/A
lower-*.f64N/A
lower-+.f6497.3
Applied rewrites97.3%
Applied rewrites97.3%
if -7.5000000000000002e-60 < x < 7.50000000000000006e-29Initial program 99.9%
Taylor expanded in y around 0
*-commutativeN/A
lower-*.f6478.6
Applied rewrites78.6%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f6478.7
Applied rewrites78.7%
if 7.50000000000000006e-29 < x Initial program 100.0%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f6498.5
lift-*.f64N/A
*-commutativeN/A
lower-*.f6498.5
Applied rewrites98.5%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-inN/A
*-commutativeN/A
distribute-lft-neg-inN/A
mul-1-negN/A
remove-double-negN/A
lower-*.f64N/A
lower-+.f6496.0
Applied rewrites96.0%
Final simplification88.8%
(FPCore (x y z) :precision binary64 (if (<= x -7.5e-60) (fma z x (* x y)) (if (<= x 7.5e-29) (* 5.0 z) (* (+ y z) x))))
double code(double x, double y, double z) {
double tmp;
if (x <= -7.5e-60) {
tmp = fma(z, x, (x * y));
} else if (x <= 7.5e-29) {
tmp = 5.0 * z;
} else {
tmp = (y + z) * x;
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if (x <= -7.5e-60) tmp = fma(z, x, Float64(x * y)); elseif (x <= 7.5e-29) tmp = Float64(5.0 * z); else tmp = Float64(Float64(y + z) * x); end return tmp end
code[x_, y_, z_] := If[LessEqual[x, -7.5e-60], N[(z * x + N[(x * y), $MachinePrecision]), $MachinePrecision], If[LessEqual[x, 7.5e-29], N[(5.0 * z), $MachinePrecision], N[(N[(y + z), $MachinePrecision] * x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.5 \cdot 10^{-60}:\\
\;\;\;\;\mathsf{fma}\left(z, x, x \cdot y\right)\\
\mathbf{elif}\;x \leq 7.5 \cdot 10^{-29}:\\
\;\;\;\;5 \cdot z\\
\mathbf{else}:\\
\;\;\;\;\left(y + z\right) \cdot x\\
\end{array}
\end{array}
if x < -7.5000000000000002e-60Initial program 98.6%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
Applied rewrites100.0%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-inN/A
*-commutativeN/A
distribute-lft-neg-inN/A
mul-1-negN/A
remove-double-negN/A
lower-*.f64N/A
lower-+.f6497.3
Applied rewrites97.3%
Applied rewrites97.3%
if -7.5000000000000002e-60 < x < 7.50000000000000006e-29Initial program 99.9%
Taylor expanded in x around 0
lower-*.f6478.6
Applied rewrites78.6%
if 7.50000000000000006e-29 < x Initial program 100.0%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f6498.5
lift-*.f64N/A
*-commutativeN/A
lower-*.f6498.5
Applied rewrites98.5%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-inN/A
*-commutativeN/A
distribute-lft-neg-inN/A
mul-1-negN/A
remove-double-negN/A
lower-*.f64N/A
lower-+.f6496.0
Applied rewrites96.0%
Final simplification88.8%
(FPCore (x y z) :precision binary64 (let* ((t_0 (* (+ y z) x))) (if (<= x -7.5e-60) t_0 (if (<= x 7.5e-29) (* 5.0 z) t_0))))
double code(double x, double y, double z) {
double t_0 = (y + z) * x;
double tmp;
if (x <= -7.5e-60) {
tmp = t_0;
} else if (x <= 7.5e-29) {
tmp = 5.0 * z;
} else {
tmp = t_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) :: t_0
real(8) :: tmp
t_0 = (y + z) * x
if (x <= (-7.5d-60)) then
tmp = t_0
else if (x <= 7.5d-29) then
tmp = 5.0d0 * z
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = (y + z) * x;
double tmp;
if (x <= -7.5e-60) {
tmp = t_0;
} else if (x <= 7.5e-29) {
tmp = 5.0 * z;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = (y + z) * x tmp = 0 if x <= -7.5e-60: tmp = t_0 elif x <= 7.5e-29: tmp = 5.0 * z else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(Float64(y + z) * x) tmp = 0.0 if (x <= -7.5e-60) tmp = t_0; elseif (x <= 7.5e-29) tmp = Float64(5.0 * z); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = (y + z) * x; tmp = 0.0; if (x <= -7.5e-60) tmp = t_0; elseif (x <= 7.5e-29) tmp = 5.0 * z; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(y + z), $MachinePrecision] * x), $MachinePrecision]}, If[LessEqual[x, -7.5e-60], t$95$0, If[LessEqual[x, 7.5e-29], N[(5.0 * z), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(y + z\right) \cdot x\\
\mathbf{if}\;x \leq -7.5 \cdot 10^{-60}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;x \leq 7.5 \cdot 10^{-29}:\\
\;\;\;\;5 \cdot z\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if x < -7.5000000000000002e-60 or 7.50000000000000006e-29 < x Initial program 99.3%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lower-fma.f64100.0
lift-*.f64N/A
*-commutativeN/A
lower-*.f64100.0
lift-+.f64N/A
+-commutativeN/A
lower-+.f64100.0
Applied rewrites100.0%
lift-fma.f64N/A
lift-*.f64N/A
lift-*.f64N/A
*-commutativeN/A
lift-+.f64N/A
+-commutativeN/A
+-commutativeN/A
distribute-rgt-inN/A
lift-*.f64N/A
lift-*.f64N/A
associate-+r+N/A
lift-*.f64N/A
lift-*.f64N/A
distribute-lft-inN/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lift--.f64N/A
*-commutativeN/A
lower-fma.f6499.3
lift-*.f64N/A
*-commutativeN/A
lower-*.f6499.3
Applied rewrites99.3%
Taylor expanded in x around -inf
mul-1-negN/A
distribute-lft-inN/A
*-commutativeN/A
distribute-lft-neg-inN/A
mul-1-negN/A
remove-double-negN/A
lower-*.f64N/A
lower-+.f6496.7
Applied rewrites96.7%
if -7.5000000000000002e-60 < x < 7.50000000000000006e-29Initial program 99.9%
Taylor expanded in x around 0
lower-*.f6478.6
Applied rewrites78.6%
(FPCore (x y z) :precision binary64 (let* ((t_0 (* (- x -5.0) z))) (if (<= z -1.05e-112) t_0 (if (<= z 1200000000.0) (* x y) t_0))))
double code(double x, double y, double z) {
double t_0 = (x - -5.0) * z;
double tmp;
if (z <= -1.05e-112) {
tmp = t_0;
} else if (z <= 1200000000.0) {
tmp = x * y;
} else {
tmp = t_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) :: t_0
real(8) :: tmp
t_0 = (x - (-5.0d0)) * z
if (z <= (-1.05d-112)) then
tmp = t_0
else if (z <= 1200000000.0d0) then
tmp = x * y
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = (x - -5.0) * z;
double tmp;
if (z <= -1.05e-112) {
tmp = t_0;
} else if (z <= 1200000000.0) {
tmp = x * y;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = (x - -5.0) * z tmp = 0 if z <= -1.05e-112: tmp = t_0 elif z <= 1200000000.0: tmp = x * y else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(Float64(x - -5.0) * z) tmp = 0.0 if (z <= -1.05e-112) tmp = t_0; elseif (z <= 1200000000.0) tmp = Float64(x * y); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = (x - -5.0) * z; tmp = 0.0; if (z <= -1.05e-112) tmp = t_0; elseif (z <= 1200000000.0) tmp = x * y; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(N[(x - -5.0), $MachinePrecision] * z), $MachinePrecision]}, If[LessEqual[z, -1.05e-112], t$95$0, If[LessEqual[z, 1200000000.0], N[(x * y), $MachinePrecision], t$95$0]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(x - -5\right) \cdot z\\
\mathbf{if}\;z \leq -1.05 \cdot 10^{-112}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;z \leq 1200000000:\\
\;\;\;\;x \cdot y\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if z < -1.05e-112 or 1.2e9 < z Initial program 99.2%
Taylor expanded in y around 0
distribute-rgt-inN/A
*-commutativeN/A
lower-*.f64N/A
+-commutativeN/A
metadata-evalN/A
sub-negN/A
lower--.f6487.7
Applied rewrites87.7%
if -1.05e-112 < z < 1.2e9Initial program 100.0%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f6471.5
Applied rewrites71.5%
Final simplification80.6%
(FPCore (x y z) :precision binary64 (if (<= x -7.5e-60) (* x y) (if (<= x 7.5e-29) (* 5.0 z) (* x y))))
double code(double x, double y, double z) {
double tmp;
if (x <= -7.5e-60) {
tmp = x * y;
} else if (x <= 7.5e-29) {
tmp = 5.0 * z;
} else {
tmp = x * y;
}
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 <= (-7.5d-60)) then
tmp = x * y
else if (x <= 7.5d-29) then
tmp = 5.0d0 * z
else
tmp = x * y
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (x <= -7.5e-60) {
tmp = x * y;
} else if (x <= 7.5e-29) {
tmp = 5.0 * z;
} else {
tmp = x * y;
}
return tmp;
}
def code(x, y, z): tmp = 0 if x <= -7.5e-60: tmp = x * y elif x <= 7.5e-29: tmp = 5.0 * z else: tmp = x * y return tmp
function code(x, y, z) tmp = 0.0 if (x <= -7.5e-60) tmp = Float64(x * y); elseif (x <= 7.5e-29) tmp = Float64(5.0 * z); else tmp = Float64(x * y); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (x <= -7.5e-60) tmp = x * y; elseif (x <= 7.5e-29) tmp = 5.0 * z; else tmp = x * y; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[x, -7.5e-60], N[(x * y), $MachinePrecision], If[LessEqual[x, 7.5e-29], N[(5.0 * z), $MachinePrecision], N[(x * y), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -7.5 \cdot 10^{-60}:\\
\;\;\;\;x \cdot y\\
\mathbf{elif}\;x \leq 7.5 \cdot 10^{-29}:\\
\;\;\;\;5 \cdot z\\
\mathbf{else}:\\
\;\;\;\;x \cdot y\\
\end{array}
\end{array}
if x < -7.5000000000000002e-60 or 7.50000000000000006e-29 < x Initial program 99.3%
Taylor expanded in y around inf
*-commutativeN/A
lower-*.f6452.8
Applied rewrites52.8%
if -7.5000000000000002e-60 < x < 7.50000000000000006e-29Initial program 99.9%
Taylor expanded in x around 0
lower-*.f6478.6
Applied rewrites78.6%
Final simplification64.1%
(FPCore (x y z) :precision binary64 (* 5.0 z))
double code(double x, double y, double z) {
return 5.0 * z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = 5.0d0 * z
end function
public static double code(double x, double y, double z) {
return 5.0 * z;
}
def code(x, y, z): return 5.0 * z
function code(x, y, z) return Float64(5.0 * z) end
function tmp = code(x, y, z) tmp = 5.0 * z; end
code[x_, y_, z_] := N[(5.0 * z), $MachinePrecision]
\begin{array}{l}
\\
5 \cdot z
\end{array}
Initial program 99.5%
Taylor expanded in x around 0
lower-*.f6437.7
Applied rewrites37.7%
(FPCore (x y z) :precision binary64 (+ (* (+ x 5.0) z) (* x y)))
double code(double x, double y, double z) {
return ((x + 5.0) * z) + (x * y);
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = ((x + 5.0d0) * z) + (x * y)
end function
public static double code(double x, double y, double z) {
return ((x + 5.0) * z) + (x * y);
}
def code(x, y, z): return ((x + 5.0) * z) + (x * y)
function code(x, y, z) return Float64(Float64(Float64(x + 5.0) * z) + Float64(x * y)) end
function tmp = code(x, y, z) tmp = ((x + 5.0) * z) + (x * y); end
code[x_, y_, z_] := N[(N[(N[(x + 5.0), $MachinePrecision] * z), $MachinePrecision] + N[(x * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + 5\right) \cdot z + x \cdot y
\end{array}
herbie shell --seed 2024296
(FPCore (x y z)
:name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendOutside from plot-0.2.3.4, C"
:precision binary64
:alt
(! :herbie-platform default (+ (* (+ x 5) z) (* x y)))
(+ (* x (+ y z)) (* z 5.0)))