
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- a t))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
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, t, a)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x + ((y * (z - t)) / (a - t))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (a - t))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(a - t))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (a - t)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{a - t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 9 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- a t))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
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, t, a)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x + ((y * (z - t)) / (a - t))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (a - t));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (a - t))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(a - t))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (a - t)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{a - t}
\end{array}
(FPCore (x y z t a) :precision binary64 (fma (/ (- z t) (- a t)) y x))
double code(double x, double y, double z, double t, double a) {
return fma(((z - t) / (a - t)), y, x);
}
function code(x, y, z, t, a) return fma(Float64(Float64(z - t) / Float64(a - t)), y, x) end
code[x_, y_, z_, t_, a_] := N[(N[(N[(z - t), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z - t}{a - t}, y, x\right)
\end{array}
Initial program 86.3%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6497.7
Applied rewrites97.7%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -5.2e-46) (not (<= z 8.6e+32))) (fma (/ z (- a t)) y x) (- x (* y (/ t (- a t))))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -5.2e-46) || !(z <= 8.6e+32)) {
tmp = fma((z / (a - t)), y, x);
} else {
tmp = x - (y * (t / (a - t)));
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -5.2e-46) || !(z <= 8.6e+32)) tmp = fma(Float64(z / Float64(a - t)), y, x); else tmp = Float64(x - Float64(y * Float64(t / Float64(a - t)))); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -5.2e-46], N[Not[LessEqual[z, 8.6e+32]], $MachinePrecision]], N[(N[(z / N[(a - t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision], N[(x - N[(y * N[(t / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -5.2 \cdot 10^{-46} \lor \neg \left(z \leq 8.6 \cdot 10^{+32}\right):\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a - t}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;x - y \cdot \frac{t}{a - t}\\
\end{array}
\end{array}
if z < -5.2000000000000004e-46 or 8.5999999999999994e32 < z Initial program 83.5%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6496.7
Applied rewrites96.7%
Taylor expanded in z around inf
Applied rewrites85.0%
if -5.2000000000000004e-46 < z < 8.5999999999999994e32Initial program 89.8%
Taylor expanded in z around 0
Applied rewrites94.1%
Final simplification89.0%
(FPCore (x y z t a) :precision binary64 (if (<= z -5.2e-46) (+ x (/ (* y z) (- a t))) (if (<= z 8.6e+32) (- x (* y (/ t (- a t)))) (fma (/ z (- a t)) y x))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (z <= -5.2e-46) {
tmp = x + ((y * z) / (a - t));
} else if (z <= 8.6e+32) {
tmp = x - (y * (t / (a - t)));
} else {
tmp = fma((z / (a - t)), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if (z <= -5.2e-46) tmp = Float64(x + Float64(Float64(y * z) / Float64(a - t))); elseif (z <= 8.6e+32) tmp = Float64(x - Float64(y * Float64(t / Float64(a - t)))); else tmp = fma(Float64(z / Float64(a - t)), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[LessEqual[z, -5.2e-46], N[(x + N[(N[(y * z), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[z, 8.6e+32], N[(x - N[(y * N[(t / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(z / N[(a - t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -5.2 \cdot 10^{-46}:\\
\;\;\;\;x + \frac{y \cdot z}{a - t}\\
\mathbf{elif}\;z \leq 8.6 \cdot 10^{+32}:\\
\;\;\;\;x - y \cdot \frac{t}{a - t}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a - t}, y, x\right)\\
\end{array}
\end{array}
if z < -5.2000000000000004e-46Initial program 91.1%
Taylor expanded in z around inf
Applied rewrites84.3%
if -5.2000000000000004e-46 < z < 8.5999999999999994e32Initial program 89.8%
Taylor expanded in z around 0
Applied rewrites94.1%
if 8.5999999999999994e32 < z Initial program 72.7%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6496.8
Applied rewrites96.8%
Taylor expanded in z around inf
Applied rewrites86.7%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -3.8e-21) (not (<= t 6e+194))) (+ x y) (fma (/ z (- a t)) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -3.8e-21) || !(t <= 6e+194)) {
tmp = x + y;
} else {
tmp = fma((z / (a - t)), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -3.8e-21) || !(t <= 6e+194)) tmp = Float64(x + y); else tmp = fma(Float64(z / Float64(a - t)), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -3.8e-21], N[Not[LessEqual[t, 6e+194]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(N[(z / N[(a - t), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -3.8 \cdot 10^{-21} \lor \neg \left(t \leq 6 \cdot 10^{+194}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a - t}, y, x\right)\\
\end{array}
\end{array}
if t < -3.7999999999999998e-21 or 6.0000000000000006e194 < t Initial program 72.8%
Taylor expanded in t around inf
Applied rewrites82.6%
if -3.7999999999999998e-21 < t < 6.0000000000000006e194Initial program 93.7%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6496.4
Applied rewrites96.4%
Taylor expanded in z around inf
Applied rewrites86.5%
Final simplification85.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -2.8e-51) (not (<= t 1.35e+168))) (+ x y) (fma (- z t) (/ y a) x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -2.8e-51) || !(t <= 1.35e+168)) {
tmp = x + y;
} else {
tmp = fma((z - t), (y / a), x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -2.8e-51) || !(t <= 1.35e+168)) tmp = Float64(x + y); else tmp = fma(Float64(z - t), Float64(y / a), x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -2.8e-51], N[Not[LessEqual[t, 1.35e+168]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(N[(z - t), $MachinePrecision] * N[(y / a), $MachinePrecision] + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -2.8 \cdot 10^{-51} \lor \neg \left(t \leq 1.35 \cdot 10^{+168}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(z - t, \frac{y}{a}, x\right)\\
\end{array}
\end{array}
if t < -2.8e-51 or 1.35000000000000008e168 < t Initial program 73.8%
Taylor expanded in t around inf
Applied rewrites80.3%
if -2.8e-51 < t < 1.35000000000000008e168Initial program 94.9%
Taylor expanded in a around inf
Applied rewrites78.3%
Final simplification79.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -2.8e-51) (not (<= t 7e+185))) (+ x y) (fma (/ z a) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -2.8e-51) || !(t <= 7e+185)) {
tmp = x + y;
} else {
tmp = fma((z / a), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -2.8e-51) || !(t <= 7e+185)) tmp = Float64(x + y); else tmp = fma(Float64(z / a), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -2.8e-51], N[Not[LessEqual[t, 7e+185]], $MachinePrecision]], N[(x + y), $MachinePrecision], N[(N[(z / a), $MachinePrecision] * y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -2.8 \cdot 10^{-51} \lor \neg \left(t \leq 7 \cdot 10^{+185}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{a}, y, x\right)\\
\end{array}
\end{array}
if t < -2.8e-51 or 7.00000000000000046e185 < t Initial program 75.1%
Taylor expanded in t around inf
Applied rewrites80.9%
if -2.8e-51 < t < 7.00000000000000046e185Initial program 93.8%
Taylor expanded in t around 0
Applied rewrites72.1%
Final simplification75.6%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -3.3e-43) (not (<= t 2.7e+117))) (+ x y) x))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -3.3e-43) || !(t <= 2.7e+117)) {
tmp = x + y;
} else {
tmp = 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, t, a)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8) :: tmp
if ((t <= (-3.3d-43)) .or. (.not. (t <= 2.7d+117))) then
tmp = x + y
else
tmp = x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -3.3e-43) || !(t <= 2.7e+117)) {
tmp = x + y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if (t <= -3.3e-43) or not (t <= 2.7e+117): tmp = x + y else: tmp = x return tmp
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -3.3e-43) || !(t <= 2.7e+117)) tmp = Float64(x + y); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if ((t <= -3.3e-43) || ~((t <= 2.7e+117))) tmp = x + y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -3.3e-43], N[Not[LessEqual[t, 2.7e+117]], $MachinePrecision]], N[(x + y), $MachinePrecision], x]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -3.3 \cdot 10^{-43} \lor \neg \left(t \leq 2.7 \cdot 10^{+117}\right):\\
\;\;\;\;x + y\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if t < -3.30000000000000016e-43 or 2.7000000000000002e117 < t Initial program 74.6%
Taylor expanded in t around inf
Applied rewrites78.9%
if -3.30000000000000016e-43 < t < 2.7000000000000002e117Initial program 95.3%
Taylor expanded in x around inf
Applied rewrites54.0%
Final simplification64.9%
(FPCore (x y z t a) :precision binary64 (if (<= y 6.4e+221) x y))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 6.4e+221) {
tmp = x;
} else {
tmp = y;
}
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, t, a)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
real(8) :: tmp
if (y <= 6.4d+221) then
tmp = x
else
tmp = y
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if (y <= 6.4e+221) {
tmp = x;
} else {
tmp = y;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if y <= 6.4e+221: tmp = x else: tmp = y return tmp
function code(x, y, z, t, a) tmp = 0.0 if (y <= 6.4e+221) tmp = x; else tmp = y; end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (y <= 6.4e+221) tmp = x; else tmp = y; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[y, 6.4e+221], x, y]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq 6.4 \cdot 10^{+221}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y\\
\end{array}
\end{array}
if y < 6.4e221Initial program 87.7%
Taylor expanded in x around inf
Applied rewrites56.1%
if 6.4e221 < y Initial program 65.3%
Taylor expanded in x around 0
Applied rewrites87.9%
Taylor expanded in t around inf
Applied rewrites39.5%
Final simplification55.1%
(FPCore (x y z t a) :precision binary64 x)
double code(double x, double y, double z, double t, double a) {
return 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, t, a)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x
end function
public static double code(double x, double y, double z, double t, double a) {
return x;
}
def code(x, y, z, t, a): return x
function code(x, y, z, t, a) return x end
function tmp = code(x, y, z, t, a) tmp = x; end
code[x_, y_, z_, t_, a_] := x
\begin{array}{l}
\\
x
\end{array}
Initial program 86.3%
Taylor expanded in x around inf
Applied rewrites53.1%
(FPCore (x y z t a) :precision binary64 (+ x (/ y (/ (- a t) (- z t)))))
double code(double x, double y, double z, double t, double a) {
return x + (y / ((a - t) / (z - t)));
}
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, t, a)
use fmin_fmax_functions
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8), intent (in) :: t
real(8), intent (in) :: a
code = x + (y / ((a - t) / (z - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + (y / ((a - t) / (z - t)));
}
def code(x, y, z, t, a): return x + (y / ((a - t) / (z - t)))
function code(x, y, z, t, a) return Float64(x + Float64(y / Float64(Float64(a - t) / Float64(z - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + (y / ((a - t) / (z - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(y / N[(N[(a - t), $MachinePrecision] / N[(z - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y}{\frac{a - t}{z - t}}
\end{array}
herbie shell --seed 2025019
(FPCore (x y z t a)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisTicks from plot-0.2.3.4, B"
:precision binary64
:alt
(! :herbie-platform default (+ x (/ y (/ (- a t) (- z t)))))
(+ x (/ (* y (- z t)) (- a t))))