
(FPCore (x y z t a) :precision binary64 (+ x (/ (* y (- z t)) (- z a))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (z - a));
}
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)) / (z - a))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (z - a));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (z - a))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(z - a))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (z - a)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{z - a}
\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)) (- z a))))
double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (z - a));
}
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)) / (z - a))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + ((y * (z - t)) / (z - a));
}
def code(x, y, z, t, a): return x + ((y * (z - t)) / (z - a))
function code(x, y, z, t, a) return Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(z - a))) end
function tmp = code(x, y, z, t, a) tmp = x + ((y * (z - t)) / (z - a)); end
code[x_, y_, z_, t_, a_] := N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y \cdot \left(z - t\right)}{z - a}
\end{array}
(FPCore (x y z t a) :precision binary64 (fma (/ (- z t) (- z a)) y x))
double code(double x, double y, double z, double t, double a) {
return fma(((z - t) / (z - a)), y, x);
}
function code(x, y, z, t, a) return fma(Float64(Float64(z - t) / Float64(z - a)), y, x) end
code[x_, y_, z_, t_, a_] := N[(N[(N[(z - t), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{z - t}{z - a}, y, x\right)
\end{array}
Initial program 86.9%
lift-+.f64N/A
+-commutativeN/A
lift-/.f64N/A
lift-*.f64N/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6497.3
Applied rewrites97.3%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (* (- z t) (/ y (- z a)))) (t_2 (/ (* y (- z t)) (- z a))))
(if (<= t_2 -2e+129)
t_1
(if (<= t_2 -5e+60)
(+ x (/ (* (- z t) y) z))
(if (<= t_2 5e+153) (fma (/ z (- z a)) y x) t_1)))))
double code(double x, double y, double z, double t, double a) {
double t_1 = (z - t) * (y / (z - a));
double t_2 = (y * (z - t)) / (z - a);
double tmp;
if (t_2 <= -2e+129) {
tmp = t_1;
} else if (t_2 <= -5e+60) {
tmp = x + (((z - t) * y) / z);
} else if (t_2 <= 5e+153) {
tmp = fma((z / (z - a)), y, x);
} else {
tmp = t_1;
}
return tmp;
}
function code(x, y, z, t, a) t_1 = Float64(Float64(z - t) * Float64(y / Float64(z - a))) t_2 = Float64(Float64(y * Float64(z - t)) / Float64(z - a)) tmp = 0.0 if (t_2 <= -2e+129) tmp = t_1; elseif (t_2 <= -5e+60) tmp = Float64(x + Float64(Float64(Float64(z - t) * y) / z)); elseif (t_2 <= 5e+153) tmp = fma(Float64(z / Float64(z - a)), y, x); else tmp = t_1; end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(z - t), $MachinePrecision] * N[(y / N[(z - a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$2, -2e+129], t$95$1, If[LessEqual[t$95$2, -5e+60], N[(x + N[(N[(N[(z - t), $MachinePrecision] * y), $MachinePrecision] / z), $MachinePrecision]), $MachinePrecision], If[LessEqual[t$95$2, 5e+153], N[(N[(z / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision], t$95$1]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \left(z - t\right) \cdot \frac{y}{z - a}\\
t_2 := \frac{y \cdot \left(z - t\right)}{z - a}\\
\mathbf{if}\;t\_2 \leq -2 \cdot 10^{+129}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t\_2 \leq -5 \cdot 10^{+60}:\\
\;\;\;\;x + \frac{\left(z - t\right) \cdot y}{z}\\
\mathbf{elif}\;t\_2 \leq 5 \cdot 10^{+153}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{z - a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < -2e129 or 5.00000000000000018e153 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) Initial program 62.0%
Taylor expanded in x around 0
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower--.f64N/A
lower-/.f64N/A
lower--.f6483.4
Applied rewrites83.4%
if -2e129 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < -4.99999999999999975e60Initial program 99.5%
Taylor expanded in a around 0
lower-/.f64N/A
*-commutativeN/A
lower-*.f64N/A
lower--.f6490.9
Applied rewrites90.9%
if -4.99999999999999975e60 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < 5.00000000000000018e153Initial program 99.3%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6487.0
Applied rewrites87.0%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ (* y (- z t)) (- z a))))
(if (or (<= t_1 -2e+114) (not (<= t_1 5e+153)))
(* (- z t) (/ y (- z a)))
(fma (/ z (- z a)) y x))))
double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / (z - a);
double tmp;
if ((t_1 <= -2e+114) || !(t_1 <= 5e+153)) {
tmp = (z - t) * (y / (z - a));
} else {
tmp = fma((z / (z - a)), y, x);
}
return tmp;
}
function code(x, y, z, t, a) t_1 = Float64(Float64(y * Float64(z - t)) / Float64(z - a)) tmp = 0.0 if ((t_1 <= -2e+114) || !(t_1 <= 5e+153)) tmp = Float64(Float64(z - t) * Float64(y / Float64(z - a))); else tmp = fma(Float64(z / Float64(z - a)), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]}, If[Or[LessEqual[t$95$1, -2e+114], N[Not[LessEqual[t$95$1, 5e+153]], $MachinePrecision]], N[(N[(z - t), $MachinePrecision] * N[(y / N[(z - a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(N[(z / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot \left(z - t\right)}{z - a}\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{+114} \lor \neg \left(t\_1 \leq 5 \cdot 10^{+153}\right):\\
\;\;\;\;\left(z - t\right) \cdot \frac{y}{z - a}\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{z - a}, y, x\right)\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < -2e114 or 5.00000000000000018e153 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) Initial program 62.9%
Taylor expanded in x around 0
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower--.f64N/A
lower-/.f64N/A
lower--.f6482.7
Applied rewrites82.7%
if -2e114 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < 5.00000000000000018e153Initial program 99.3%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6485.1
Applied rewrites85.1%
Final simplification84.3%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -4.6e-36) (not (<= z 1.35e-34))) (fma (/ z (- z a)) y x) (fma (/ y a) t x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -4.6e-36) || !(z <= 1.35e-34)) {
tmp = fma((z / (z - a)), y, x);
} else {
tmp = fma((y / a), t, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -4.6e-36) || !(z <= 1.35e-34)) tmp = fma(Float64(z / Float64(z - a)), y, x); else tmp = fma(Float64(y / a), t, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -4.6e-36], N[Not[LessEqual[z, 1.35e-34]], $MachinePrecision]], N[(N[(z / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.6 \cdot 10^{-36} \lor \neg \left(z \leq 1.35 \cdot 10^{-34}\right):\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{z - a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\end{array}
\end{array}
if z < -4.59999999999999993e-36 or 1.35000000000000008e-34 < z Initial program 81.2%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6483.7
Applied rewrites83.7%
if -4.59999999999999993e-36 < z < 1.35000000000000008e-34Initial program 94.7%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6475.8
Applied rewrites75.8%
Final simplification80.4%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -2.8e-94) (not (<= z 5.6e-35))) (fma z (/ y (- z a)) x) (fma (/ y a) t x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -2.8e-94) || !(z <= 5.6e-35)) {
tmp = fma(z, (y / (z - a)), x);
} else {
tmp = fma((y / a), t, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -2.8e-94) || !(z <= 5.6e-35)) tmp = fma(z, Float64(y / Float64(z - a)), x); else tmp = fma(Float64(y / a), t, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -2.8e-94], N[Not[LessEqual[z, 5.6e-35]], $MachinePrecision]], N[(z * N[(y / N[(z - a), $MachinePrecision]), $MachinePrecision] + x), $MachinePrecision], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -2.8 \cdot 10^{-94} \lor \neg \left(z \leq 5.6 \cdot 10^{-35}\right):\\
\;\;\;\;\mathsf{fma}\left(z, \frac{y}{z - a}, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\end{array}
\end{array}
if z < -2.7999999999999998e-94 or 5.5999999999999999e-35 < z Initial program 82.7%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6481.4
Applied rewrites81.4%
Applied rewrites79.1%
if -2.7999999999999998e-94 < z < 5.5999999999999999e-35Initial program 94.0%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6477.6
Applied rewrites77.6%
Final simplification78.6%
(FPCore (x y z t a) :precision binary64 (if (<= z -4.6e-36) (fma (/ z (- z a)) y x) (if (<= z 1.15e-56) (fma (/ y a) t x) (fma (/ (- z t) z) y x))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (z <= -4.6e-36) {
tmp = fma((z / (z - a)), y, x);
} else if (z <= 1.15e-56) {
tmp = fma((y / a), t, x);
} else {
tmp = fma(((z - t) / z), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if (z <= -4.6e-36) tmp = fma(Float64(z / Float64(z - a)), y, x); elseif (z <= 1.15e-56) tmp = fma(Float64(y / a), t, x); else tmp = fma(Float64(Float64(z - t) / z), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[LessEqual[z, -4.6e-36], N[(N[(z / N[(z - a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision], If[LessEqual[z, 1.15e-56], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision], N[(N[(N[(z - t), $MachinePrecision] / z), $MachinePrecision] * y + x), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -4.6 \cdot 10^{-36}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{z - a}, y, x\right)\\
\mathbf{elif}\;z \leq 1.15 \cdot 10^{-56}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z - t}{z}, y, x\right)\\
\end{array}
\end{array}
if z < -4.59999999999999993e-36Initial program 84.8%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6489.1
Applied rewrites89.1%
if -4.59999999999999993e-36 < z < 1.15000000000000001e-56Initial program 94.5%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6477.6
Applied rewrites77.6%
if 1.15000000000000001e-56 < z Initial program 79.1%
Taylor expanded in a around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6488.2
Applied rewrites88.2%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -1.9e+32) (not (<= z 1.36e-34))) (+ y x) (fma (/ y a) t x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -1.9e+32) || !(z <= 1.36e-34)) {
tmp = y + x;
} else {
tmp = fma((y / a), t, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -1.9e+32) || !(z <= 1.36e-34)) tmp = Float64(y + x); else tmp = fma(Float64(y / a), t, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -1.9e+32], N[Not[LessEqual[z, 1.36e-34]], $MachinePrecision]], N[(y + x), $MachinePrecision], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -1.9 \cdot 10^{+32} \lor \neg \left(z \leq 1.36 \cdot 10^{-34}\right):\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\end{array}
\end{array}
if z < -1.9000000000000002e32 or 1.3600000000000001e-34 < z Initial program 79.1%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6478.4
Applied rewrites78.4%
if -1.9000000000000002e32 < z < 1.3600000000000001e-34Initial program 95.3%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6474.9
Applied rewrites74.9%
Final simplification76.7%
(FPCore (x y z t a) :precision binary64 (if (<= a 1.02e+130) (+ y x) (* (- x) -1.0)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (a <= 1.02e+130) {
tmp = y + x;
} else {
tmp = -x * -1.0;
}
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 (a <= 1.02d+130) then
tmp = y + x
else
tmp = -x * (-1.0d0)
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if (a <= 1.02e+130) {
tmp = y + x;
} else {
tmp = -x * -1.0;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if a <= 1.02e+130: tmp = y + x else: tmp = -x * -1.0 return tmp
function code(x, y, z, t, a) tmp = 0.0 if (a <= 1.02e+130) tmp = Float64(y + x); else tmp = Float64(Float64(-x) * -1.0); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (a <= 1.02e+130) tmp = y + x; else tmp = -x * -1.0; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[a, 1.02e+130], N[(y + x), $MachinePrecision], N[((-x) * -1.0), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq 1.02 \cdot 10^{+130}:\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\left(-x\right) \cdot -1\\
\end{array}
\end{array}
if a < 1.01999999999999999e130Initial program 87.0%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6461.8
Applied rewrites61.8%
if 1.01999999999999999e130 < a Initial program 86.7%
Taylor expanded in x around -inf
associate-*r*N/A
lower-*.f64N/A
mul-1-negN/A
lower-neg.f64N/A
metadata-evalN/A
metadata-evalN/A
fp-cancel-sign-subN/A
mul-1-negN/A
*-commutativeN/A
associate-/l*N/A
distribute-lft-neg-inN/A
metadata-evalN/A
lower-fma.f64N/A
Applied rewrites96.7%
Taylor expanded in x around inf
Applied rewrites70.2%
(FPCore (x y z t a) :precision binary64 (+ y x))
double code(double x, double y, double z, double t, double a) {
return y + 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 = y + x
end function
public static double code(double x, double y, double z, double t, double a) {
return y + x;
}
def code(x, y, z, t, a): return y + x
function code(x, y, z, t, a) return Float64(y + x) end
function tmp = code(x, y, z, t, a) tmp = y + x; end
code[x_, y_, z_, t_, a_] := N[(y + x), $MachinePrecision]
\begin{array}{l}
\\
y + x
\end{array}
Initial program 86.9%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6461.0
Applied rewrites61.0%
(FPCore (x y z t a) :precision binary64 (+ x (/ y (/ (- z a) (- z t)))))
double code(double x, double y, double z, double t, double a) {
return x + (y / ((z - a) / (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 / ((z - a) / (z - t)))
end function
public static double code(double x, double y, double z, double t, double a) {
return x + (y / ((z - a) / (z - t)));
}
def code(x, y, z, t, a): return x + (y / ((z - a) / (z - t)))
function code(x, y, z, t, a) return Float64(x + Float64(y / Float64(Float64(z - a) / Float64(z - t)))) end
function tmp = code(x, y, z, t, a) tmp = x + (y / ((z - a) / (z - t))); end
code[x_, y_, z_, t_, a_] := N[(x + N[(y / N[(N[(z - a), $MachinePrecision] / N[(z - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x + \frac{y}{\frac{z - a}{z - t}}
\end{array}
herbie shell --seed 2025016
(FPCore (x y z t a)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisTicks from plot-0.2.3.4, A"
:precision binary64
:alt
(! :herbie-platform default (+ x (/ y (/ (- z a) (- z t)))))
(+ x (/ (* y (- z t)) (- z a))))