
(FPCore (x y z) :precision binary64 (+ (* x y) (* z (- 1.0 y))))
double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - 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 * y) + (z * (1.0d0 - y))
end function
public static double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
def code(x, y, z): return (x * y) + (z * (1.0 - y))
function code(x, y, z) return Float64(Float64(x * y) + Float64(z * Float64(1.0 - y))) end
function tmp = code(x, y, z) tmp = (x * y) + (z * (1.0 - y)); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + z \cdot \left(1 - y\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x y) (* z (- 1.0 y))))
double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - 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 * y) + (z * (1.0d0 - y))
end function
public static double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
def code(x, y, z): return (x * y) + (z * (1.0 - y))
function code(x, y, z) return Float64(Float64(x * y) + Float64(z * Float64(1.0 - y))) end
function tmp = code(x, y, z) tmp = (x * y) + (z * (1.0 - y)); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + z \cdot \left(1 - y\right)
\end{array}
(FPCore (x y z) :precision binary64 (fma y (- x z) z))
double code(double x, double y, double z) {
return fma(y, (x - z), z);
}
function code(x, y, z) return fma(y, Float64(x - z), z) end
code[x_, y_, z_] := N[(y * N[(x - z), $MachinePrecision] + z), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y, x - z, z\right)
\end{array}
Initial program 98.0%
distribute-lft-out--98.0%
*-rgt-identity98.0%
cancel-sign-sub-inv98.0%
+-commutative98.0%
associate-+r+98.0%
+-commutative98.0%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -1.2e+196)
t_0
(if (<= y -1.3e+118)
(* y x)
(if (<= y -2.2e+63)
t_0
(if (<= y -3.2e+43)
(* y x)
(if (<= y -1.0)
t_0
(if (<= y -8e-73)
z
(if (<= y -9.6e-110)
(* y x)
(if (<= y 9.5e-7)
z
(if (or (<= y 2.15e+52)
(and (not (<= y 1.25e+152)) (<= y 2.1e+235)))
(* y x)
t_0)))))))))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -1.2e+196) {
tmp = t_0;
} else if (y <= -1.3e+118) {
tmp = y * x;
} else if (y <= -2.2e+63) {
tmp = t_0;
} else if (y <= -3.2e+43) {
tmp = y * x;
} else if (y <= -1.0) {
tmp = t_0;
} else if (y <= -8e-73) {
tmp = z;
} else if (y <= -9.6e-110) {
tmp = y * x;
} else if (y <= 9.5e-7) {
tmp = z;
} else if ((y <= 2.15e+52) || (!(y <= 1.25e+152) && (y <= 2.1e+235))) {
tmp = y * x;
} 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
if (y <= (-1.2d+196)) then
tmp = t_0
else if (y <= (-1.3d+118)) then
tmp = y * x
else if (y <= (-2.2d+63)) then
tmp = t_0
else if (y <= (-3.2d+43)) then
tmp = y * x
else if (y <= (-1.0d0)) then
tmp = t_0
else if (y <= (-8d-73)) then
tmp = z
else if (y <= (-9.6d-110)) then
tmp = y * x
else if (y <= 9.5d-7) then
tmp = z
else if ((y <= 2.15d+52) .or. (.not. (y <= 1.25d+152)) .and. (y <= 2.1d+235)) then
tmp = y * x
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;
double tmp;
if (y <= -1.2e+196) {
tmp = t_0;
} else if (y <= -1.3e+118) {
tmp = y * x;
} else if (y <= -2.2e+63) {
tmp = t_0;
} else if (y <= -3.2e+43) {
tmp = y * x;
} else if (y <= -1.0) {
tmp = t_0;
} else if (y <= -8e-73) {
tmp = z;
} else if (y <= -9.6e-110) {
tmp = y * x;
} else if (y <= 9.5e-7) {
tmp = z;
} else if ((y <= 2.15e+52) || (!(y <= 1.25e+152) && (y <= 2.1e+235))) {
tmp = y * x;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -1.2e+196: tmp = t_0 elif y <= -1.3e+118: tmp = y * x elif y <= -2.2e+63: tmp = t_0 elif y <= -3.2e+43: tmp = y * x elif y <= -1.0: tmp = t_0 elif y <= -8e-73: tmp = z elif y <= -9.6e-110: tmp = y * x elif y <= 9.5e-7: tmp = z elif (y <= 2.15e+52) or (not (y <= 1.25e+152) and (y <= 2.1e+235)): tmp = y * x else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (y <= -1.2e+196) tmp = t_0; elseif (y <= -1.3e+118) tmp = Float64(y * x); elseif (y <= -2.2e+63) tmp = t_0; elseif (y <= -3.2e+43) tmp = Float64(y * x); elseif (y <= -1.0) tmp = t_0; elseif (y <= -8e-73) tmp = z; elseif (y <= -9.6e-110) tmp = Float64(y * x); elseif (y <= 9.5e-7) tmp = z; elseif ((y <= 2.15e+52) || (!(y <= 1.25e+152) && (y <= 2.1e+235))) tmp = Float64(y * x); else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (y <= -1.2e+196) tmp = t_0; elseif (y <= -1.3e+118) tmp = y * x; elseif (y <= -2.2e+63) tmp = t_0; elseif (y <= -3.2e+43) tmp = y * x; elseif (y <= -1.0) tmp = t_0; elseif (y <= -8e-73) tmp = z; elseif (y <= -9.6e-110) tmp = y * x; elseif (y <= 9.5e-7) tmp = z; elseif ((y <= 2.15e+52) || (~((y <= 1.25e+152)) && (y <= 2.1e+235))) tmp = y * x; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[y, -1.2e+196], t$95$0, If[LessEqual[y, -1.3e+118], N[(y * x), $MachinePrecision], If[LessEqual[y, -2.2e+63], t$95$0, If[LessEqual[y, -3.2e+43], N[(y * x), $MachinePrecision], If[LessEqual[y, -1.0], t$95$0, If[LessEqual[y, -8e-73], z, If[LessEqual[y, -9.6e-110], N[(y * x), $MachinePrecision], If[LessEqual[y, 9.5e-7], z, If[Or[LessEqual[y, 2.15e+52], And[N[Not[LessEqual[y, 1.25e+152]], $MachinePrecision], LessEqual[y, 2.1e+235]]], N[(y * x), $MachinePrecision], t$95$0]]]]]]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -1.2 \cdot 10^{+196}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -1.3 \cdot 10^{+118}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -2.2 \cdot 10^{+63}:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -3.2 \cdot 10^{+43}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -1:\\
\;\;\;\;t_0\\
\mathbf{elif}\;y \leq -8 \cdot 10^{-73}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq -9.6 \cdot 10^{-110}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 9.5 \cdot 10^{-7}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq 2.15 \cdot 10^{+52} \lor \neg \left(y \leq 1.25 \cdot 10^{+152}\right) \land y \leq 2.1 \cdot 10^{+235}:\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;t_0\\
\end{array}
\end{array}
if y < -1.2e196 or -1.30000000000000008e118 < y < -2.1999999999999999e63 or -3.20000000000000014e43 < y < -1 or 2.15e52 < y < 1.25e152 or 2.1000000000000001e235 < y Initial program 93.7%
Taylor expanded in y around inf 99.6%
mul-1-neg99.6%
sub-neg99.6%
Simplified99.6%
Taylor expanded in x around 0 74.0%
mul-1-neg74.0%
distribute-rgt-neg-out74.0%
Simplified74.0%
if -1.2e196 < y < -1.30000000000000008e118 or -2.1999999999999999e63 < y < -3.20000000000000014e43 or -7.99999999999999998e-73 < y < -9.60000000000000026e-110 or 9.5000000000000001e-7 < y < 2.15e52 or 1.25e152 < y < 2.1000000000000001e235Initial program 98.3%
Taylor expanded in x around inf 78.4%
*-commutative78.4%
Simplified78.4%
if -1 < y < -7.99999999999999998e-73 or -9.60000000000000026e-110 < y < 9.5000000000000001e-7Initial program 100.0%
Taylor expanded in y around 0 70.1%
Final simplification72.9%
(FPCore (x y z)
:precision binary64
(if (or (<= y -8.4e-11)
(and (not (<= y -7.4e-73)) (or (<= y -1.16e-109) (not (<= y 9e-7)))))
(* y (- x z))
z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -8.4e-11) || (!(y <= -7.4e-73) && ((y <= -1.16e-109) || !(y <= 9e-7)))) {
tmp = y * (x - 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 ((y <= (-8.4d-11)) .or. (.not. (y <= (-7.4d-73))) .and. (y <= (-1.16d-109)) .or. (.not. (y <= 9d-7))) then
tmp = y * (x - z)
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -8.4e-11) || (!(y <= -7.4e-73) && ((y <= -1.16e-109) || !(y <= 9e-7)))) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -8.4e-11) or (not (y <= -7.4e-73) and ((y <= -1.16e-109) or not (y <= 9e-7))): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -8.4e-11) || (!(y <= -7.4e-73) && ((y <= -1.16e-109) || !(y <= 9e-7)))) tmp = Float64(y * Float64(x - z)); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -8.4e-11) || (~((y <= -7.4e-73)) && ((y <= -1.16e-109) || ~((y <= 9e-7))))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -8.4e-11], And[N[Not[LessEqual[y, -7.4e-73]], $MachinePrecision], Or[LessEqual[y, -1.16e-109], N[Not[LessEqual[y, 9e-7]], $MachinePrecision]]]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -8.4 \cdot 10^{-11} \lor \neg \left(y \leq -7.4 \cdot 10^{-73}\right) \land \left(y \leq -1.16 \cdot 10^{-109} \lor \neg \left(y \leq 9 \cdot 10^{-7}\right)\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -8.3999999999999994e-11 or -7.4000000000000002e-73 < y < -1.1600000000000001e-109 or 8.99999999999999959e-7 < y Initial program 96.0%
Taylor expanded in y around inf 96.8%
mul-1-neg96.8%
sub-neg96.8%
Simplified96.8%
if -8.3999999999999994e-11 < y < -7.4000000000000002e-73 or -1.1600000000000001e-109 < y < 8.99999999999999959e-7Initial program 100.0%
Taylor expanded in y around 0 71.9%
Final simplification84.2%
(FPCore (x y z)
:precision binary64
(if (<= y -0.00055)
(* y x)
(if (<= y -7.4e-73)
z
(if (<= y -4e-111) (* y x) (if (<= y 3e-8) z (* y x))))))
double code(double x, double y, double z) {
double tmp;
if (y <= -0.00055) {
tmp = y * x;
} else if (y <= -7.4e-73) {
tmp = z;
} else if (y <= -4e-111) {
tmp = y * x;
} else if (y <= 3e-8) {
tmp = z;
} else {
tmp = y * x;
}
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 (y <= (-0.00055d0)) then
tmp = y * x
else if (y <= (-7.4d-73)) then
tmp = z
else if (y <= (-4d-111)) then
tmp = y * x
else if (y <= 3d-8) then
tmp = z
else
tmp = y * x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (y <= -0.00055) {
tmp = y * x;
} else if (y <= -7.4e-73) {
tmp = z;
} else if (y <= -4e-111) {
tmp = y * x;
} else if (y <= 3e-8) {
tmp = z;
} else {
tmp = y * x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if y <= -0.00055: tmp = y * x elif y <= -7.4e-73: tmp = z elif y <= -4e-111: tmp = y * x elif y <= 3e-8: tmp = z else: tmp = y * x return tmp
function code(x, y, z) tmp = 0.0 if (y <= -0.00055) tmp = Float64(y * x); elseif (y <= -7.4e-73) tmp = z; elseif (y <= -4e-111) tmp = Float64(y * x); elseif (y <= 3e-8) tmp = z; else tmp = Float64(y * x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (y <= -0.00055) tmp = y * x; elseif (y <= -7.4e-73) tmp = z; elseif (y <= -4e-111) tmp = y * x; elseif (y <= 3e-8) tmp = z; else tmp = y * x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[y, -0.00055], N[(y * x), $MachinePrecision], If[LessEqual[y, -7.4e-73], z, If[LessEqual[y, -4e-111], N[(y * x), $MachinePrecision], If[LessEqual[y, 3e-8], z, N[(y * x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -0.00055:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq -7.4 \cdot 10^{-73}:\\
\;\;\;\;z\\
\mathbf{elif}\;y \leq -4 \cdot 10^{-111}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 3 \cdot 10^{-8}:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;y \cdot x\\
\end{array}
\end{array}
if y < -5.50000000000000033e-4 or -7.4000000000000002e-73 < y < -4.00000000000000035e-111 or 2.99999999999999973e-8 < y Initial program 95.9%
Taylor expanded in x around inf 54.6%
*-commutative54.6%
Simplified54.6%
if -5.50000000000000033e-4 < y < -7.4000000000000002e-73 or -4.00000000000000035e-111 < y < 2.99999999999999973e-8Initial program 100.0%
Taylor expanded in y around 0 71.1%
Final simplification63.2%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.0) (not (<= y 2.85e-5))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 2.85e-5)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
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 ((y <= (-1.0d0)) .or. (.not. (y <= 2.85d-5))) then
tmp = y * (x - z)
else
tmp = z + (y * x)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 2.85e-5)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.0) or not (y <= 2.85e-5): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.0) || !(y <= 2.85e-5)) tmp = Float64(y * Float64(x - z)); else tmp = Float64(z + Float64(y * x)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1.0) || ~((y <= 2.85e-5))) tmp = y * (x - z); else tmp = z + (y * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.0], N[Not[LessEqual[y, 2.85e-5]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], N[(z + N[(y * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1 \lor \neg \left(y \leq 2.85 \cdot 10^{-5}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -1 or 2.8500000000000002e-5 < y Initial program 95.5%
Taylor expanded in y around inf 98.9%
mul-1-neg98.9%
sub-neg98.9%
Simplified98.9%
if -1 < y < 2.8500000000000002e-5Initial program 100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
associate-+r+100.0%
+-commutative100.0%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
fma-udef100.0%
Applied egg-rr100.0%
Taylor expanded in x around inf 98.6%
*-commutative98.6%
Simplified98.6%
Final simplification98.8%
(FPCore (x y z) :precision binary64 (+ z (* y (- x z))))
double code(double x, double y, double z) {
return z + (y * (x - 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 + (y * (x - z))
end function
public static double code(double x, double y, double z) {
return z + (y * (x - z));
}
def code(x, y, z): return z + (y * (x - z))
function code(x, y, z) return Float64(z + Float64(y * Float64(x - z))) end
function tmp = code(x, y, z) tmp = z + (y * (x - z)); end
code[x_, y_, z_] := N[(z + N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z + y \cdot \left(x - z\right)
\end{array}
Initial program 98.0%
distribute-lft-out--98.0%
*-rgt-identity98.0%
cancel-sign-sub-inv98.0%
+-commutative98.0%
associate-+r+98.0%
+-commutative98.0%
distribute-rgt-out100.0%
fma-def100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
fma-udef100.0%
Applied egg-rr100.0%
Final simplification100.0%
(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 98.0%
Taylor expanded in y around 0 38.8%
Final simplification38.8%
(FPCore (x y z) :precision binary64 (- z (* (- z x) y)))
double code(double x, double y, double z) {
return z - ((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 = z - ((z - x) * y)
end function
public static double code(double x, double y, double z) {
return z - ((z - x) * y);
}
def code(x, y, z): return z - ((z - x) * y)
function code(x, y, z) return Float64(z - Float64(Float64(z - x) * y)) end
function tmp = code(x, y, z) tmp = z - ((z - x) * y); end
code[x_, y_, z_] := N[(z - N[(N[(z - x), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z - \left(z - x\right) \cdot y
\end{array}
herbie shell --seed 2023271
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:herbie-target
(- z (* (- z x) y))
(+ (* x y) (* z (- 1.0 y))))