
(FPCore (x y z) :precision binary64 (+ (+ (+ (+ (+ x y) y) x) z) x))
double code(double x, double y, double z) {
return ((((x + y) + y) + x) + z) + x;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = ((((x + y) + y) + x) + z) + x
end function
public static double code(double x, double y, double z) {
return ((((x + y) + y) + x) + z) + x;
}
def code(x, y, z): return ((((x + y) + y) + x) + z) + x
function code(x, y, z) return Float64(Float64(Float64(Float64(Float64(x + y) + y) + x) + z) + x) end
function tmp = code(x, y, z) tmp = ((((x + y) + y) + x) + z) + x; end
code[x_, y_, z_] := N[(N[(N[(N[(N[(x + y), $MachinePrecision] + y), $MachinePrecision] + x), $MachinePrecision] + z), $MachinePrecision] + x), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (+ (+ (+ (+ x y) y) x) z) x))
double code(double x, double y, double z) {
return ((((x + y) + y) + x) + z) + x;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = ((((x + y) + y) + x) + z) + x
end function
public static double code(double x, double y, double z) {
return ((((x + y) + y) + x) + z) + x;
}
def code(x, y, z): return ((((x + y) + y) + x) + z) + x
function code(x, y, z) return Float64(Float64(Float64(Float64(Float64(x + y) + y) + x) + z) + x) end
function tmp = code(x, y, z) tmp = ((((x + y) + y) + x) + z) + x; end
code[x_, y_, z_] := N[(N[(N[(N[(N[(x + y), $MachinePrecision] + y), $MachinePrecision] + x), $MachinePrecision] + z), $MachinePrecision] + x), $MachinePrecision]
\begin{array}{l}
\\
\left(\left(\left(\left(x + y\right) + y\right) + x\right) + z\right) + x
\end{array}
(FPCore (x y z) :precision binary64 (fma 2.0 (+ y x) (+ z x)))
double code(double x, double y, double z) {
return fma(2.0, (y + x), (z + x));
}
function code(x, y, z) return fma(2.0, Float64(y + x), Float64(z + x)) end
code[x_, y_, z_] := N[(2.0 * N[(y + x), $MachinePrecision] + N[(z + x), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(2, y + x, z + x\right)
\end{array}
Initial program 99.9%
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
lift-+.f64N/A
lift-+.f64N/A
associate-+l+N/A
+-commutativeN/A
lift-+.f64N/A
count-2N/A
+-commutativeN/A
lower-fma.f64N/A
lift-+.f64N/A
+-commutativeN/A
lower-+.f64N/A
+-commutativeN/A
lower-+.f6499.9
Applied rewrites99.9%
(FPCore (x y z) :precision binary64 (if (<= z -4.3) (+ z x) (if (<= z -1.65e-180) (+ y y) (if (<= z 1.86e+79) (* 3.0 x) (+ z x)))))
double code(double x, double y, double z) {
double tmp;
if (z <= -4.3) {
tmp = z + x;
} else if (z <= -1.65e-180) {
tmp = y + y;
} else if (z <= 1.86e+79) {
tmp = 3.0 * x;
} else {
tmp = z + x;
}
return tmp;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if (z <= (-4.3d0)) then
tmp = z + x
else if (z <= (-1.65d-180)) then
tmp = y + y
else if (z <= 1.86d+79) then
tmp = 3.0d0 * x
else
tmp = z + x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if (z <= -4.3) {
tmp = z + x;
} else if (z <= -1.65e-180) {
tmp = y + y;
} else if (z <= 1.86e+79) {
tmp = 3.0 * x;
} else {
tmp = z + x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if z <= -4.3: tmp = z + x elif z <= -1.65e-180: tmp = y + y elif z <= 1.86e+79: tmp = 3.0 * x else: tmp = z + x return tmp
function code(x, y, z) tmp = 0.0 if (z <= -4.3) tmp = Float64(z + x); elseif (z <= -1.65e-180) tmp = Float64(y + y); elseif (z <= 1.86e+79) tmp = Float64(3.0 * x); else tmp = Float64(z + x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if (z <= -4.3) tmp = z + x; elseif (z <= -1.65e-180) tmp = y + y; elseif (z <= 1.86e+79) tmp = 3.0 * x; else tmp = z + x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[LessEqual[z, -4.3], N[(z + x), $MachinePrecision], If[LessEqual[z, -1.65e-180], N[(y + y), $MachinePrecision], If[LessEqual[z, 1.86e+79], N[(3.0 * x), $MachinePrecision], N[(z + x), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.3:\\
\;\;\;\;z + x\\
\mathbf{elif}\;z \leq -1.65 \cdot 10^{-180}:\\
\;\;\;\;y + y\\
\mathbf{elif}\;z \leq 1.86 \cdot 10^{+79}:\\
\;\;\;\;3 \cdot x\\
\mathbf{else}:\\
\;\;\;\;z + x\\
\end{array}
\end{array}
if z < -4.29999999999999982 or 1.8599999999999999e79 < z Initial program 99.9%
Taylor expanded in z around inf
Applied rewrites69.0%
if -4.29999999999999982 < z < -1.64999999999999999e-180Initial program 99.9%
Taylor expanded in y around inf
Applied rewrites62.0%
Applied rewrites62.0%
if -1.64999999999999999e-180 < z < 1.8599999999999999e79Initial program 99.8%
Taylor expanded in x around inf
Applied rewrites63.4%
(FPCore (x y z) :precision binary64 (if (or (<= y -8.6e+85) (not (<= y 1.55e+40))) (+ (fma 2.0 y z) x) (fma 3.0 x z)))
double code(double x, double y, double z) {
double tmp;
if ((y <= -8.6e+85) || !(y <= 1.55e+40)) {
tmp = fma(2.0, y, z) + x;
} else {
tmp = fma(3.0, x, z);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if ((y <= -8.6e+85) || !(y <= 1.55e+40)) tmp = Float64(fma(2.0, y, z) + x); else tmp = fma(3.0, x, z); end return tmp end
code[x_, y_, z_] := If[Or[LessEqual[y, -8.6e+85], N[Not[LessEqual[y, 1.55e+40]], $MachinePrecision]], N[(N[(2.0 * y + z), $MachinePrecision] + x), $MachinePrecision], N[(3.0 * x + z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -8.6 \cdot 10^{+85} \lor \neg \left(y \leq 1.55 \cdot 10^{+40}\right):\\
\;\;\;\;\mathsf{fma}\left(2, y, z\right) + x\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(3, x, z\right)\\
\end{array}
\end{array}
if y < -8.5999999999999998e85 or 1.5499999999999999e40 < y Initial program 100.0%
Taylor expanded in x around 0
Applied rewrites87.5%
if -8.5999999999999998e85 < y < 1.5499999999999999e40Initial program 99.8%
Taylor expanded in y around 0
Applied rewrites93.7%
Final simplification91.4%
(FPCore (x y z) :precision binary64 (if (or (<= y -9.2e+104) (not (<= y 1.9e+130))) (fma 2.0 y z) (fma 3.0 x z)))
double code(double x, double y, double z) {
double tmp;
if ((y <= -9.2e+104) || !(y <= 1.9e+130)) {
tmp = fma(2.0, y, z);
} else {
tmp = fma(3.0, x, z);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if ((y <= -9.2e+104) || !(y <= 1.9e+130)) tmp = fma(2.0, y, z); else tmp = fma(3.0, x, z); end return tmp end
code[x_, y_, z_] := If[Or[LessEqual[y, -9.2e+104], N[Not[LessEqual[y, 1.9e+130]], $MachinePrecision]], N[(2.0 * y + z), $MachinePrecision], N[(3.0 * x + z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -9.2 \cdot 10^{+104} \lor \neg \left(y \leq 1.9 \cdot 10^{+130}\right):\\
\;\;\;\;\mathsf{fma}\left(2, y, z\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(3, x, z\right)\\
\end{array}
\end{array}
if y < -9.19999999999999938e104 or 1.9000000000000001e130 < y Initial program 99.9%
Taylor expanded in x around 0
Applied rewrites92.7%
if -9.19999999999999938e104 < y < 1.9000000000000001e130Initial program 99.9%
Taylor expanded in y around 0
Applied rewrites90.2%
Final simplification90.9%
(FPCore (x y z) :precision binary64 (if (or (<= x -5.8e+137) (not (<= x 1e+122))) (* 3.0 x) (fma 2.0 y z)))
double code(double x, double y, double z) {
double tmp;
if ((x <= -5.8e+137) || !(x <= 1e+122)) {
tmp = 3.0 * x;
} else {
tmp = fma(2.0, y, z);
}
return tmp;
}
function code(x, y, z) tmp = 0.0 if ((x <= -5.8e+137) || !(x <= 1e+122)) tmp = Float64(3.0 * x); else tmp = fma(2.0, y, z); end return tmp end
code[x_, y_, z_] := If[Or[LessEqual[x, -5.8e+137], N[Not[LessEqual[x, 1e+122]], $MachinePrecision]], N[(3.0 * x), $MachinePrecision], N[(2.0 * y + z), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -5.8 \cdot 10^{+137} \lor \neg \left(x \leq 10^{+122}\right):\\
\;\;\;\;3 \cdot x\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(2, y, z\right)\\
\end{array}
\end{array}
if x < -5.79999999999999969e137 or 1.00000000000000001e122 < x Initial program 99.7%
Taylor expanded in x around inf
Applied rewrites82.8%
if -5.79999999999999969e137 < x < 1.00000000000000001e122Initial program 99.9%
Taylor expanded in x around 0
Applied rewrites82.0%
Final simplification82.2%
(FPCore (x y z) :precision binary64 (if (or (<= y -3.9e+74) (not (<= y 1.25e+140))) (+ y y) (+ z x)))
double code(double x, double y, double z) {
double tmp;
if ((y <= -3.9e+74) || !(y <= 1.25e+140)) {
tmp = y + y;
} else {
tmp = z + x;
}
return tmp;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-3.9d+74)) .or. (.not. (y <= 1.25d+140))) then
tmp = y + y
else
tmp = z + x
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -3.9e+74) || !(y <= 1.25e+140)) {
tmp = y + y;
} else {
tmp = z + x;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -3.9e+74) or not (y <= 1.25e+140): tmp = y + y else: tmp = z + x return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -3.9e+74) || !(y <= 1.25e+140)) tmp = Float64(y + y); else tmp = Float64(z + x); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -3.9e+74) || ~((y <= 1.25e+140))) tmp = y + y; else tmp = z + x; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -3.9e+74], N[Not[LessEqual[y, 1.25e+140]], $MachinePrecision]], N[(y + y), $MachinePrecision], N[(z + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3.9 \cdot 10^{+74} \lor \neg \left(y \leq 1.25 \cdot 10^{+140}\right):\\
\;\;\;\;y + y\\
\mathbf{else}:\\
\;\;\;\;z + x\\
\end{array}
\end{array}
if y < -3.90000000000000008e74 or 1.25000000000000002e140 < y Initial program 99.9%
Taylor expanded in y around inf
Applied rewrites76.9%
Applied rewrites76.9%
if -3.90000000000000008e74 < y < 1.25000000000000002e140Initial program 99.9%
Taylor expanded in z around inf
Applied rewrites52.0%
Final simplification59.3%
(FPCore (x y z) :precision binary64 (if (or (<= y -9.5e+54) (not (<= y 7e+139))) (+ y y) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -9.5e+54) || !(y <= 7e+139)) {
tmp = y + y;
} else {
tmp = z;
}
return tmp;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-9.5d+54)) .or. (.not. (y <= 7d+139))) then
tmp = y + y
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -9.5e+54) || !(y <= 7e+139)) {
tmp = y + y;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -9.5e+54) or not (y <= 7e+139): tmp = y + y else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -9.5e+54) || !(y <= 7e+139)) tmp = Float64(y + y); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -9.5e+54) || ~((y <= 7e+139))) tmp = y + y; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -9.5e+54], N[Not[LessEqual[y, 7e+139]], $MachinePrecision]], N[(y + y), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -9.5 \cdot 10^{+54} \lor \neg \left(y \leq 7 \cdot 10^{+139}\right):\\
\;\;\;\;y + y\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -9.4999999999999999e54 or 6.99999999999999957e139 < y Initial program 99.9%
Taylor expanded in y around inf
Applied rewrites75.3%
Applied rewrites75.3%
if -9.4999999999999999e54 < y < 6.99999999999999957e139Initial program 99.9%
Taylor expanded in z around inf
Applied rewrites45.1%
Final simplification54.3%
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
module fmin_fmax_functions
implicit none
private
public fmax
public fmin
interface fmax
module procedure fmax88
module procedure fmax44
module procedure fmax84
module procedure fmax48
end interface
interface fmin
module procedure fmin88
module procedure fmin44
module procedure fmin84
module procedure fmin48
end interface
contains
real(8) function fmax88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(4) function fmax44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, max(x, y), y /= y), x /= x)
end function
real(8) function fmax84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, max(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmax48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), max(dble(x), y), y /= y), x /= x)
end function
real(8) function fmin88(x, y) result (res)
real(8), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(4) function fmin44(x, y) result (res)
real(4), intent (in) :: x
real(4), intent (in) :: y
res = merge(y, merge(x, min(x, y), y /= y), x /= x)
end function
real(8) function fmin84(x, y) result(res)
real(8), intent (in) :: x
real(4), intent (in) :: y
res = merge(dble(y), merge(x, min(x, dble(y)), y /= y), x /= x)
end function
real(8) function fmin48(x, y) result(res)
real(4), intent (in) :: x
real(8), intent (in) :: y
res = merge(y, merge(dble(x), min(dble(x), y), y /= y), x /= x)
end function
end module
real(8) function code(x, y, z)
use fmin_fmax_functions
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 99.9%
Taylor expanded in z around inf
Applied rewrites35.3%
herbie shell --seed 2025021
(FPCore (x y z)
:name "Graphics.Rendering.Plot.Render.Plot.Legend:renderLegendInside from plot-0.2.3.4"
:precision binary64
(+ (+ (+ (+ (+ x y) y) x) z) x))