
(FPCore (x y z t a) :precision binary64 (- (+ x y) (/ (* (- z t) y) (- a t))))
double code(double x, double y, double z, double t, double a) {
return (x + y) - (((z - t) * y) / (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) * y) / (a - t))
end function
public static double code(double x, double y, double z, double t, double a) {
return (x + y) - (((z - t) * y) / (a - t));
}
def code(x, y, z, t, a): return (x + y) - (((z - t) * y) / (a - t))
function code(x, y, z, t, a) return Float64(Float64(x + y) - Float64(Float64(Float64(z - t) * y) / Float64(a - t))) end
function tmp = code(x, y, z, t, a) tmp = (x + y) - (((z - t) * y) / (a - t)); end
code[x_, y_, z_, t_, a_] := N[(N[(x + y), $MachinePrecision] - N[(N[(N[(z - t), $MachinePrecision] * y), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) - \frac{\left(z - t\right) \cdot y}{a - t}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 10 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a) :precision binary64 (- (+ x y) (/ (* (- z t) y) (- a t))))
double code(double x, double y, double z, double t, double a) {
return (x + y) - (((z - t) * y) / (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) * y) / (a - t))
end function
public static double code(double x, double y, double z, double t, double a) {
return (x + y) - (((z - t) * y) / (a - t));
}
def code(x, y, z, t, a): return (x + y) - (((z - t) * y) / (a - t))
function code(x, y, z, t, a) return Float64(Float64(x + y) - Float64(Float64(Float64(z - t) * y) / Float64(a - t))) end
function tmp = code(x, y, z, t, a) tmp = (x + y) - (((z - t) * y) / (a - t)); end
code[x_, y_, z_, t_, a_] := N[(N[(x + y), $MachinePrecision] - N[(N[(N[(z - t), $MachinePrecision] * y), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\left(x + y\right) - \frac{\left(z - t\right) \cdot y}{a - t}
\end{array}
(FPCore (x y z t a) :precision binary64 (fma (- (+ (/ t (- a t)) 1.0) (/ z (- a t))) y x))
double code(double x, double y, double z, double t, double a) {
return fma((((t / (a - t)) + 1.0) - (z / (a - t))), y, x);
}
function code(x, y, z, t, a) return fma(Float64(Float64(Float64(t / Float64(a - t)) + 1.0) - Float64(z / Float64(a - t))), y, x) end
code[x_, y_, z_, t_, a_] := N[(N[(N[(N[(t / N[(a - t), $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision] - N[(z / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\left(\frac{t}{a - t} + 1\right) - \frac{z}{a - t}, y, x\right)
\end{array}
Initial program 75.1%
Taylor expanded in y around 0
Applied rewrites93.7%
(FPCore (x y z t a) :precision binary64 (if (or (<= t -8.5e+106) (not (<= t 4.4e+140))) (fma (/ (- a z) (- t)) y x) (- (+ x y) (* (/ z (- a t)) y))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((t <= -8.5e+106) || !(t <= 4.4e+140)) {
tmp = fma(((a - z) / -t), y, x);
} else {
tmp = (x + y) - ((z / (a - t)) * y);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((t <= -8.5e+106) || !(t <= 4.4e+140)) tmp = fma(Float64(Float64(a - z) / Float64(-t)), y, x); else tmp = Float64(Float64(x + y) - Float64(Float64(z / Float64(a - t)) * y)); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[t, -8.5e+106], N[Not[LessEqual[t, 4.4e+140]], $MachinePrecision]], N[(N[(N[(a - z), $MachinePrecision] / (-t)), $MachinePrecision] * y + x), $MachinePrecision], N[(N[(x + y), $MachinePrecision] - N[(N[(z / N[(a - t), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -8.5 \cdot 10^{+106} \lor \neg \left(t \leq 4.4 \cdot 10^{+140}\right):\\
\;\;\;\;\mathsf{fma}\left(\frac{a - z}{-t}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;\left(x + y\right) - \frac{z}{a - t} \cdot y\\
\end{array}
\end{array}
if t < -8.4999999999999992e106 or 4.3999999999999997e140 < t Initial program 47.7%
Taylor expanded in y around 0
Applied rewrites90.6%
Taylor expanded in t around -inf
Applied rewrites90.9%
if -8.4999999999999992e106 < t < 4.3999999999999997e140Initial program 88.7%
Taylor expanded in z around inf
Applied rewrites91.1%
Final simplification91.1%
(FPCore (x y z t a) :precision binary64 (if (or (<= a -8.6e-80) (not (<= a 1.85e-9))) (fma (- 1.0 (/ z a)) y x) (- x (/ (* y (- a z)) t))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((a <= -8.6e-80) || !(a <= 1.85e-9)) {
tmp = fma((1.0 - (z / a)), y, x);
} else {
tmp = x - ((y * (a - z)) / t);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((a <= -8.6e-80) || !(a <= 1.85e-9)) tmp = fma(Float64(1.0 - Float64(z / a)), y, x); else tmp = Float64(x - Float64(Float64(y * Float64(a - z)) / t)); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[a, -8.6e-80], N[Not[LessEqual[a, 1.85e-9]], $MachinePrecision]], N[(N[(1.0 - N[(z / a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision], N[(x - N[(N[(y * N[(a - z), $MachinePrecision]), $MachinePrecision] / t), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq -8.6 \cdot 10^{-80} \lor \neg \left(a \leq 1.85 \cdot 10^{-9}\right):\\
\;\;\;\;\mathsf{fma}\left(1 - \frac{z}{a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;x - \frac{y \cdot \left(a - z\right)}{t}\\
\end{array}
\end{array}
if a < -8.6000000000000002e-80 or 1.85e-9 < a Initial program 78.7%
Taylor expanded in y around 0
Applied rewrites95.0%
Taylor expanded in t around 0
Applied rewrites86.5%
if -8.6000000000000002e-80 < a < 1.85e-9Initial program 70.8%
Taylor expanded in t around inf
Applied rewrites86.2%
Final simplification86.4%
(FPCore (x y z t a)
:precision binary64
(if (<= a -2.2e-77)
(+ y x)
(if (<= a -6.2e-203)
x
(if (<= a 1.55e-143) (/ (* y z) t) (if (<= a 1.35e-11) x (+ y x))))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (a <= -2.2e-77) {
tmp = y + x;
} else if (a <= -6.2e-203) {
tmp = x;
} else if (a <= 1.55e-143) {
tmp = (y * z) / t;
} else if (a <= 1.35e-11) {
tmp = x;
} 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 <= (-2.2d-77)) then
tmp = y + x
else if (a <= (-6.2d-203)) then
tmp = x
else if (a <= 1.55d-143) then
tmp = (y * z) / t
else if (a <= 1.35d-11) then
tmp = x
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 <= -2.2e-77) {
tmp = y + x;
} else if (a <= -6.2e-203) {
tmp = x;
} else if (a <= 1.55e-143) {
tmp = (y * z) / t;
} else if (a <= 1.35e-11) {
tmp = x;
} else {
tmp = y + x;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if a <= -2.2e-77: tmp = y + x elif a <= -6.2e-203: tmp = x elif a <= 1.55e-143: tmp = (y * z) / t elif a <= 1.35e-11: tmp = x else: tmp = y + x return tmp
function code(x, y, z, t, a) tmp = 0.0 if (a <= -2.2e-77) tmp = Float64(y + x); elseif (a <= -6.2e-203) tmp = x; elseif (a <= 1.55e-143) tmp = Float64(Float64(y * z) / t); elseif (a <= 1.35e-11) tmp = x; else tmp = Float64(y + x); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (a <= -2.2e-77) tmp = y + x; elseif (a <= -6.2e-203) tmp = x; elseif (a <= 1.55e-143) tmp = (y * z) / t; elseif (a <= 1.35e-11) tmp = x; else tmp = y + x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[a, -2.2e-77], N[(y + x), $MachinePrecision], If[LessEqual[a, -6.2e-203], x, If[LessEqual[a, 1.55e-143], N[(N[(y * z), $MachinePrecision] / t), $MachinePrecision], If[LessEqual[a, 1.35e-11], x, N[(y + x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq -2.2 \cdot 10^{-77}:\\
\;\;\;\;y + x\\
\mathbf{elif}\;a \leq -6.2 \cdot 10^{-203}:\\
\;\;\;\;x\\
\mathbf{elif}\;a \leq 1.55 \cdot 10^{-143}:\\
\;\;\;\;\frac{y \cdot z}{t}\\
\mathbf{elif}\;a \leq 1.35 \cdot 10^{-11}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y + x\\
\end{array}
\end{array}
if a < -2.20000000000000007e-77 or 1.35000000000000002e-11 < a Initial program 78.5%
Taylor expanded in a around inf
Applied rewrites75.2%
if -2.20000000000000007e-77 < a < -6.19999999999999955e-203 or 1.55000000000000004e-143 < a < 1.35000000000000002e-11Initial program 65.3%
Taylor expanded in x around inf
Applied rewrites63.4%
if -6.19999999999999955e-203 < a < 1.55000000000000004e-143Initial program 75.2%
Taylor expanded in z around inf
Applied rewrites58.6%
Taylor expanded in t around inf
Applied rewrites57.0%
(FPCore (x y z t a)
:precision binary64
(if (<= a -2.2e-77)
(+ y x)
(if (<= a -4.8e-203)
x
(if (<= a 1.55e-143) (* y (/ z t)) (if (<= a 1.35e-11) x (+ y x))))))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (a <= -2.2e-77) {
tmp = y + x;
} else if (a <= -4.8e-203) {
tmp = x;
} else if (a <= 1.55e-143) {
tmp = y * (z / t);
} else if (a <= 1.35e-11) {
tmp = x;
} 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 <= (-2.2d-77)) then
tmp = y + x
else if (a <= (-4.8d-203)) then
tmp = x
else if (a <= 1.55d-143) then
tmp = y * (z / t)
else if (a <= 1.35d-11) then
tmp = x
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 <= -2.2e-77) {
tmp = y + x;
} else if (a <= -4.8e-203) {
tmp = x;
} else if (a <= 1.55e-143) {
tmp = y * (z / t);
} else if (a <= 1.35e-11) {
tmp = x;
} else {
tmp = y + x;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if a <= -2.2e-77: tmp = y + x elif a <= -4.8e-203: tmp = x elif a <= 1.55e-143: tmp = y * (z / t) elif a <= 1.35e-11: tmp = x else: tmp = y + x return tmp
function code(x, y, z, t, a) tmp = 0.0 if (a <= -2.2e-77) tmp = Float64(y + x); elseif (a <= -4.8e-203) tmp = x; elseif (a <= 1.55e-143) tmp = Float64(y * Float64(z / t)); elseif (a <= 1.35e-11) tmp = x; else tmp = Float64(y + x); end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (a <= -2.2e-77) tmp = y + x; elseif (a <= -4.8e-203) tmp = x; elseif (a <= 1.55e-143) tmp = y * (z / t); elseif (a <= 1.35e-11) tmp = x; else tmp = y + x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[a, -2.2e-77], N[(y + x), $MachinePrecision], If[LessEqual[a, -4.8e-203], x, If[LessEqual[a, 1.55e-143], N[(y * N[(z / t), $MachinePrecision]), $MachinePrecision], If[LessEqual[a, 1.35e-11], x, N[(y + x), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq -2.2 \cdot 10^{-77}:\\
\;\;\;\;y + x\\
\mathbf{elif}\;a \leq -4.8 \cdot 10^{-203}:\\
\;\;\;\;x\\
\mathbf{elif}\;a \leq 1.55 \cdot 10^{-143}:\\
\;\;\;\;y \cdot \frac{z}{t}\\
\mathbf{elif}\;a \leq 1.35 \cdot 10^{-11}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;y + x\\
\end{array}
\end{array}
if a < -2.20000000000000007e-77 or 1.35000000000000002e-11 < a Initial program 78.5%
Taylor expanded in a around inf
Applied rewrites75.2%
if -2.20000000000000007e-77 < a < -4.7999999999999997e-203 or 1.55000000000000004e-143 < a < 1.35000000000000002e-11Initial program 65.3%
Taylor expanded in x around inf
Applied rewrites63.4%
if -4.7999999999999997e-203 < a < 1.55000000000000004e-143Initial program 75.2%
Taylor expanded in z around inf
Applied rewrites58.6%
Taylor expanded in t around 0
Applied rewrites23.4%
Taylor expanded in t around inf
Applied rewrites54.4%
(FPCore (x y z t a) :precision binary64 (if (or (<= a -9e-80) (not (<= a 2.3e-8))) (fma (- 1.0 (/ z a)) y x) (fma (/ z t) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((a <= -9e-80) || !(a <= 2.3e-8)) {
tmp = fma((1.0 - (z / a)), y, x);
} else {
tmp = fma((z / t), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((a <= -9e-80) || !(a <= 2.3e-8)) tmp = fma(Float64(1.0 - Float64(z / a)), y, x); else tmp = fma(Float64(z / t), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[a, -9e-80], N[Not[LessEqual[a, 2.3e-8]], $MachinePrecision]], N[(N[(1.0 - N[(z / a), $MachinePrecision]), $MachinePrecision] * y + x), $MachinePrecision], N[(N[(z / t), $MachinePrecision] * y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq -9 \cdot 10^{-80} \lor \neg \left(a \leq 2.3 \cdot 10^{-8}\right):\\
\;\;\;\;\mathsf{fma}\left(1 - \frac{z}{a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, y, x\right)\\
\end{array}
\end{array}
if a < -9.0000000000000006e-80 or 2.3000000000000001e-8 < a Initial program 78.7%
Taylor expanded in y around 0
Applied rewrites95.0%
Taylor expanded in t around 0
Applied rewrites86.5%
if -9.0000000000000006e-80 < a < 2.3000000000000001e-8Initial program 70.8%
Taylor expanded in y around 0
Applied rewrites92.2%
Taylor expanded in a around 0
Applied rewrites83.2%
Final simplification85.0%
(FPCore (x y z t a) :precision binary64 (if (or (<= a -2.8e-13) (not (<= a 3.6e-6))) (+ y x) (fma (/ z t) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if ((a <= -2.8e-13) || !(a <= 3.6e-6)) {
tmp = y + x;
} else {
tmp = fma((z / t), y, x);
}
return tmp;
}
function code(x, y, z, t, a) tmp = 0.0 if ((a <= -2.8e-13) || !(a <= 3.6e-6)) tmp = Float64(y + x); else tmp = fma(Float64(z / t), y, x); end return tmp end
code[x_, y_, z_, t_, a_] := If[Or[LessEqual[a, -2.8e-13], N[Not[LessEqual[a, 3.6e-6]], $MachinePrecision]], N[(y + x), $MachinePrecision], N[(N[(z / t), $MachinePrecision] * y + x), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq -2.8 \cdot 10^{-13} \lor \neg \left(a \leq 3.6 \cdot 10^{-6}\right):\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(\frac{z}{t}, y, x\right)\\
\end{array}
\end{array}
if a < -2.8000000000000002e-13 or 3.59999999999999984e-6 < a Initial program 77.4%
Taylor expanded in a around inf
Applied rewrites76.7%
if -2.8000000000000002e-13 < a < 3.59999999999999984e-6Initial program 72.7%
Taylor expanded in y around 0
Applied rewrites92.7%
Taylor expanded in a around 0
Applied rewrites82.0%
Final simplification79.2%
(FPCore (x y z t a) :precision binary64 (if (<= t -9.2e+114) x (if (<= t 1.12e+192) (+ y x) x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (t <= -9.2e+114) {
tmp = x;
} else if (t <= 1.12e+192) {
tmp = y + x;
} 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 <= (-9.2d+114)) then
tmp = x
else if (t <= 1.12d+192) then
tmp = y + x
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 <= -9.2e+114) {
tmp = x;
} else if (t <= 1.12e+192) {
tmp = y + x;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if t <= -9.2e+114: tmp = x elif t <= 1.12e+192: tmp = y + x else: tmp = x return tmp
function code(x, y, z, t, a) tmp = 0.0 if (t <= -9.2e+114) tmp = x; elseif (t <= 1.12e+192) tmp = Float64(y + x); else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (t <= -9.2e+114) tmp = x; elseif (t <= 1.12e+192) tmp = y + x; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[t, -9.2e+114], x, If[LessEqual[t, 1.12e+192], N[(y + x), $MachinePrecision], x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;t \leq -9.2 \cdot 10^{+114}:\\
\;\;\;\;x\\
\mathbf{elif}\;t \leq 1.12 \cdot 10^{+192}:\\
\;\;\;\;y + x\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if t < -9.2000000000000001e114 or 1.12e192 < t Initial program 44.8%
Taylor expanded in x around inf
Applied rewrites71.2%
if -9.2000000000000001e114 < t < 1.12e192Initial program 85.0%
Taylor expanded in a around inf
Applied rewrites60.5%
(FPCore (x y z t a) :precision binary64 (if (<= x -0.03) x (if (<= x 3e-194) y x)))
double code(double x, double y, double z, double t, double a) {
double tmp;
if (x <= -0.03) {
tmp = x;
} else if (x <= 3e-194) {
tmp = 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 (x <= (-0.03d0)) then
tmp = x
else if (x <= 3d-194) then
tmp = 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 (x <= -0.03) {
tmp = x;
} else if (x <= 3e-194) {
tmp = y;
} else {
tmp = x;
}
return tmp;
}
def code(x, y, z, t, a): tmp = 0 if x <= -0.03: tmp = x elif x <= 3e-194: tmp = y else: tmp = x return tmp
function code(x, y, z, t, a) tmp = 0.0 if (x <= -0.03) tmp = x; elseif (x <= 3e-194) tmp = y; else tmp = x; end return tmp end
function tmp_2 = code(x, y, z, t, a) tmp = 0.0; if (x <= -0.03) tmp = x; elseif (x <= 3e-194) tmp = y; else tmp = x; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := If[LessEqual[x, -0.03], x, If[LessEqual[x, 3e-194], y, x]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq -0.03:\\
\;\;\;\;x\\
\mathbf{elif}\;x \leq 3 \cdot 10^{-194}:\\
\;\;\;\;y\\
\mathbf{else}:\\
\;\;\;\;x\\
\end{array}
\end{array}
if x < -0.029999999999999999 or 3e-194 < x Initial program 78.4%
Taylor expanded in x around inf
Applied rewrites65.3%
if -0.029999999999999999 < x < 3e-194Initial program 69.5%
Taylor expanded in a around inf
Applied rewrites42.1%
Taylor expanded in x around 0
Applied rewrites32.0%
(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 75.1%
Taylor expanded in x around inf
Applied rewrites47.1%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (- (+ y x) (* (* (- z t) (/ 1.0 (- a t))) y)))
(t_2 (- (+ x y) (/ (* (- z t) y) (- a t)))))
(if (< t_2 -1.3664970889390727e-7)
t_1
(if (< t_2 1.4754293444577233e-239)
(/ (- (* y (- a z)) (* x t)) (- a t))
t_1))))
double code(double x, double y, double z, double t, double a) {
double t_1 = (y + x) - (((z - t) * (1.0 / (a - t))) * y);
double t_2 = (x + y) - (((z - t) * y) / (a - t));
double tmp;
if (t_2 < -1.3664970889390727e-7) {
tmp = t_1;
} else if (t_2 < 1.4754293444577233e-239) {
tmp = ((y * (a - z)) - (x * t)) / (a - t);
} else {
tmp = t_1;
}
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) :: t_1
real(8) :: t_2
real(8) :: tmp
t_1 = (y + x) - (((z - t) * (1.0d0 / (a - t))) * y)
t_2 = (x + y) - (((z - t) * y) / (a - t))
if (t_2 < (-1.3664970889390727d-7)) then
tmp = t_1
else if (t_2 < 1.4754293444577233d-239) then
tmp = ((y * (a - z)) - (x * t)) / (a - t)
else
tmp = t_1
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double t_1 = (y + x) - (((z - t) * (1.0 / (a - t))) * y);
double t_2 = (x + y) - (((z - t) * y) / (a - t));
double tmp;
if (t_2 < -1.3664970889390727e-7) {
tmp = t_1;
} else if (t_2 < 1.4754293444577233e-239) {
tmp = ((y * (a - z)) - (x * t)) / (a - t);
} else {
tmp = t_1;
}
return tmp;
}
def code(x, y, z, t, a): t_1 = (y + x) - (((z - t) * (1.0 / (a - t))) * y) t_2 = (x + y) - (((z - t) * y) / (a - t)) tmp = 0 if t_2 < -1.3664970889390727e-7: tmp = t_1 elif t_2 < 1.4754293444577233e-239: tmp = ((y * (a - z)) - (x * t)) / (a - t) else: tmp = t_1 return tmp
function code(x, y, z, t, a) t_1 = Float64(Float64(y + x) - Float64(Float64(Float64(z - t) * Float64(1.0 / Float64(a - t))) * y)) t_2 = Float64(Float64(x + y) - Float64(Float64(Float64(z - t) * y) / Float64(a - t))) tmp = 0.0 if (t_2 < -1.3664970889390727e-7) tmp = t_1; elseif (t_2 < 1.4754293444577233e-239) tmp = Float64(Float64(Float64(y * Float64(a - z)) - Float64(x * t)) / Float64(a - t)); else tmp = t_1; end return tmp end
function tmp_2 = code(x, y, z, t, a) t_1 = (y + x) - (((z - t) * (1.0 / (a - t))) * y); t_2 = (x + y) - (((z - t) * y) / (a - t)); tmp = 0.0; if (t_2 < -1.3664970889390727e-7) tmp = t_1; elseif (t_2 < 1.4754293444577233e-239) tmp = ((y * (a - z)) - (x * t)) / (a - t); else tmp = t_1; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y + x), $MachinePrecision] - N[(N[(N[(z - t), $MachinePrecision] * N[(1.0 / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(x + y), $MachinePrecision] - N[(N[(N[(z - t), $MachinePrecision] * y), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]}, If[Less[t$95$2, -1.3664970889390727e-7], t$95$1, If[Less[t$95$2, 1.4754293444577233e-239], N[(N[(N[(y * N[(a - z), $MachinePrecision]), $MachinePrecision] - N[(x * t), $MachinePrecision]), $MachinePrecision] / N[(a - t), $MachinePrecision]), $MachinePrecision], t$95$1]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \left(y + x\right) - \left(\left(z - t\right) \cdot \frac{1}{a - t}\right) \cdot y\\
t_2 := \left(x + y\right) - \frac{\left(z - t\right) \cdot y}{a - t}\\
\mathbf{if}\;t\_2 < -1.3664970889390727 \cdot 10^{-7}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t\_2 < 1.4754293444577233 \cdot 10^{-239}:\\
\;\;\;\;\frac{y \cdot \left(a - z\right) - x \cdot t}{a - t}\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
herbie shell --seed 2025020
(FPCore (x y z t a)
:name "Graphics.Rendering.Plot.Render.Plot.Axis:renderAxisTick from plot-0.2.3.4, B"
:precision binary64
:alt
(! :herbie-platform default (if (< (- (+ x y) (/ (* (- z t) y) (- a t))) -13664970889390727/100000000000000000000000) (- (+ y x) (* (* (- z t) (/ 1 (- a t))) y)) (if (< (- (+ x y) (/ (* (- z t) y) (- a t))) 14754293444577233/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) (/ (- (* y (- a z)) (* x t)) (- a t)) (- (+ y x) (* (* (- z t) (/ 1 (- a t))) y)))))
(- (+ x y) (/ (* (- z t) y) (- a t))))