
(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
(let* ((t_1 (+ x (/ (* y (- z t)) (- z a)))))
(if (or (<= t_1 (- INFINITY)) (not (<= t_1 5e+301)))
(* (/ y (- z a)) (- z t))
t_1)))
double code(double x, double y, double z, double t, double a) {
double t_1 = x + ((y * (z - t)) / (z - a));
double tmp;
if ((t_1 <= -((double) INFINITY)) || !(t_1 <= 5e+301)) {
tmp = (y / (z - a)) * (z - t);
} else {
tmp = t_1;
}
return tmp;
}
public static double code(double x, double y, double z, double t, double a) {
double t_1 = x + ((y * (z - t)) / (z - a));
double tmp;
if ((t_1 <= -Double.POSITIVE_INFINITY) || !(t_1 <= 5e+301)) {
tmp = (y / (z - a)) * (z - t);
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t, a): t_1 = x + ((y * (z - t)) / (z - a)) tmp = 0 if (t_1 <= -math.inf) or not (t_1 <= 5e+301): tmp = (y / (z - a)) * (z - t) else: tmp = t_1 return tmp
function code(x, y, z, t, a) t_1 = Float64(x + Float64(Float64(y * Float64(z - t)) / Float64(z - a))) tmp = 0.0 if ((t_1 <= Float64(-Inf)) || !(t_1 <= 5e+301)) tmp = Float64(Float64(y / Float64(z - a)) * Float64(z - t)); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t, a) t_1 = x + ((y * (z - t)) / (z - a)); tmp = 0.0; if ((t_1 <= -Inf) || ~((t_1 <= 5e+301))) tmp = (y / (z - a)) * (z - t); else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(x + N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / N[(z - a), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Or[LessEqual[t$95$1, (-Infinity)], N[Not[LessEqual[t$95$1, 5e+301]], $MachinePrecision]], N[(N[(y / N[(z - a), $MachinePrecision]), $MachinePrecision] * N[(z - t), $MachinePrecision]), $MachinePrecision], t$95$1]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := x + \frac{y \cdot \left(z - t\right)}{z - a}\\
\mathbf{if}\;t\_1 \leq -\infty \lor \neg \left(t\_1 \leq 5 \cdot 10^{+301}\right):\\
\;\;\;\;\frac{y}{z - a} \cdot \left(z - t\right)\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if (+.f64 x (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a))) < -inf.0 or 5.0000000000000004e301 < (+.f64 x (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a))) Initial program 34.3%
Taylor expanded in x around 0
distribute-lft-out--N/A
fp-cancel-sub-signN/A
distribute-lft-neg-inN/A
*-commutativeN/A
mul-1-negN/A
div-add-revN/A
associate-*r/N/A
*-commutativeN/A
associate-/l*N/A
associate-/l*N/A
associate-*r*N/A
distribute-rgt-outN/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f64N/A
lower--.f6494.0
Applied rewrites94.0%
if -inf.0 < (+.f64 x (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a))) < 5.0000000000000004e301Initial program 99.3%
Final simplification97.9%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ (* y (- z t)) (- z a))))
(if (or (<= t_1 -2e+56) (not (<= t_1 2e-34)))
(* (/ y (- z a)) (- z t))
(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+56) || !(t_1 <= 2e-34)) {
tmp = (y / (z - a)) * (z - t);
} 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+56) || !(t_1 <= 2e-34)) tmp = Float64(Float64(y / Float64(z - a)) * Float64(z - t)); 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+56], N[Not[LessEqual[t$95$1, 2e-34]], $MachinePrecision]], N[(N[(y / N[(z - a), $MachinePrecision]), $MachinePrecision] * N[(z - t), $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^{+56} \lor \neg \left(t\_1 \leq 2 \cdot 10^{-34}\right):\\
\;\;\;\;\frac{y}{z - a} \cdot \left(z - t\right)\\
\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)) < -2.00000000000000018e56 or 1.99999999999999986e-34 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) Initial program 62.9%
Taylor expanded in x around 0
distribute-lft-out--N/A
fp-cancel-sub-signN/A
distribute-lft-neg-inN/A
*-commutativeN/A
mul-1-negN/A
div-add-revN/A
associate-*r/N/A
*-commutativeN/A
associate-/l*N/A
associate-/l*N/A
associate-*r*N/A
distribute-rgt-outN/A
fp-cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
lower-*.f64N/A
lower-/.f64N/A
lower--.f64N/A
lower--.f6483.8
Applied rewrites83.8%
if -2.00000000000000018e56 < (/.f64 (*.f64 y (-.f64 z t)) (-.f64 z a)) < 1.99999999999999986e-34Initial program 99.2%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6487.2
Applied rewrites87.2%
Final simplification85.6%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -7e+29) (not (<= z 1e-35))) (fma (/ (- z t) z) y x) (fma (/ y a) t x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -7e+29) || !(z <= 1e-35)) {
tmp = fma(((z - t) / z), y, x);
} else {
tmp = fma((y / a), t, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -7e+29) || !(z <= 1e-35)) tmp = fma(Float64(Float64(z - t) / z), y, x); else tmp = fma(Float64(y / a), t, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -7e+29], N[Not[LessEqual[z, 1e-35]], $MachinePrecision]], N[(N[(N[(z - t), $MachinePrecision] / z), $MachinePrecision] * y + x), $MachinePrecision], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -7 \cdot 10^{+29} \lor \neg \left(z \leq 10^{-35}\right):\\
\;\;\;\;\mathsf{fma}\left(\frac{z - t}{z}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\end{array}
\end{array}
if z < -6.99999999999999958e29 or 1.00000000000000001e-35 < z Initial program 72.9%
Taylor expanded in a around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6489.6
Applied rewrites89.6%
if -6.99999999999999958e29 < z < 1.00000000000000001e-35Initial program 89.3%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6479.1
Applied rewrites79.1%
Final simplification84.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -3.5e+50) (not (<= z 9.2e-43))) (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 <= -3.5e+50) || !(z <= 9.2e-43)) {
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 <= -3.5e+50) || !(z <= 9.2e-43)) 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, -3.5e+50], N[Not[LessEqual[z, 9.2e-43]], $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 -3.5 \cdot 10^{+50} \lor \neg \left(z \leq 9.2 \cdot 10^{-43}\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 < -3.50000000000000006e50 or 9.1999999999999995e-43 < z Initial program 73.4%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6485.3
Applied rewrites85.3%
if -3.50000000000000006e50 < z < 9.1999999999999995e-43Initial program 88.8%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6478.6
Applied rewrites78.6%
Final simplification81.8%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -3.5e+50) (not (<= z 6.7e-43))) (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 <= -3.5e+50) || !(z <= 6.7e-43)) {
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 <= -3.5e+50) || !(z <= 6.7e-43)) 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, -3.5e+50], N[Not[LessEqual[z, 6.7e-43]], $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 -3.5 \cdot 10^{+50} \lor \neg \left(z \leq 6.7 \cdot 10^{-43}\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 < -3.50000000000000006e50 or 6.6999999999999998e-43 < z Initial program 73.4%
Taylor expanded in t around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f64N/A
lower--.f6485.3
Applied rewrites85.3%
Applied rewrites82.2%
if -3.50000000000000006e50 < z < 6.6999999999999998e-43Initial program 88.8%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6478.6
Applied rewrites78.6%
Final simplification80.3%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -5.4e+50) (not (<= z 6.2e+90))) (+ y x) (fma (/ y a) t x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -5.4e+50) || !(z <= 6.2e+90)) {
tmp = y + x;
} else {
tmp = fma((y / a), t, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -5.4e+50) || !(z <= 6.2e+90)) 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, -5.4e+50], N[Not[LessEqual[z, 6.2e+90]], $MachinePrecision]], N[(y + x), $MachinePrecision], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -5.4 \cdot 10^{+50} \lor \neg \left(z \leq 6.2 \cdot 10^{+90}\right):\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\end{array}
\end{array}
if z < -5.4e50 or 6.19999999999999977e90 < z Initial program 67.9%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6479.9
Applied rewrites79.9%
if -5.4e50 < z < 6.19999999999999977e90Initial program 89.8%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6477.0
Applied rewrites77.0%
Final simplification78.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= z -5.4e+50) (not (<= z 6.2e+90))) (+ y x) (fma y (/ t a) x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((z <= -5.4e+50) || !(z <= 6.2e+90)) {
tmp = y + x;
} else {
tmp = fma(y, (t / a), x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((z <= -5.4e+50) || !(z <= 6.2e+90)) tmp = Float64(y + x); else tmp = fma(y, Float64(t / a), x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[z, -5.4e+50], N[Not[LessEqual[z, 6.2e+90]], $MachinePrecision]], N[(y + x), $MachinePrecision], N[(y * N[(t / a), $MachinePrecision] + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;z \leq -5.4 \cdot 10^{+50} \lor \neg \left(z \leq 6.2 \cdot 10^{+90}\right):\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(y, \frac{t}{a}, x\right)\\
\end{array}
\end{array}
if z < -5.4e50 or 6.19999999999999977e90 < z Initial program 67.9%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6479.9
Applied rewrites79.9%
if -5.4e50 < z < 6.19999999999999977e90Initial program 89.8%
Taylor expanded in z around 0
+-commutativeN/A
associate-/l*N/A
*-commutativeN/A
lower-fma.f64N/A
lower-/.f6477.0
Applied rewrites77.0%
Applied rewrites73.4%
Final simplification75.9%
(FPCore (x y z t a) :precision binary64 (if (<= a -7.2e+121) (* (- x) -1.0) (+ y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (a <= -7.2e+121) {
tmp = -x * -1.0;
} else {
tmp = y + 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 (a <= (-7.2d+121)) then
tmp = -x * (-1.0d0)
else
tmp = y + x
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double tmp;
if (a <= -7.2e+121) {
tmp = -x * -1.0;
} else {
tmp = y + x;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if a <= -7.2e+121: tmp = -x * -1.0 else: tmp = y + x return tmp
function code(x, y, z, t, a) tmp = 0.0 if (a <= -7.2e+121) tmp = Float64(Float64(-x) * -1.0); else tmp = Float64(y + x); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (a <= -7.2e+121) tmp = -x * -1.0; else tmp = y + x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[a, -7.2e+121], N[((-x) * -1.0), $MachinePrecision], N[(y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq -7.2 \cdot 10^{+121}:\\
\;\;\;\;\left(-x\right) \cdot -1\\
\mathbf{else}:\\
\;\;\;\;y + x\\
\end{array}
\end{array}
if a < -7.19999999999999963e121Initial program 78.3%
Taylor expanded in x around -inf
associate-*r*N/A
lower-*.f64N/A
mul-1-negN/A
lower-neg.f64N/A
lower--.f64N/A
Applied rewrites86.9%
Taylor expanded in t around inf
Applied rewrites79.5%
Taylor expanded in x around inf
Applied rewrites56.8%
if -7.19999999999999963e121 < a Initial program 82.2%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6461.4
Applied rewrites61.4%
(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 81.5%
Taylor expanded in z around inf
+-commutativeN/A
lower-+.f6458.0
Applied rewrites58.0%
(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 2024363
(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))))