
(FPCore (x y z t a) :precision binary64 (- x (/ (* y (- z t)) a)))
double code(double x, double y, double z, double t, double a) {
return x - ((y * (z - t)) / 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)) / a)
end function
public static double code(double x, double y, double z, double t, double a) {
return x - ((y * (z - t)) / a);
}
def code(x, y, z, t, a): return x - ((y * (z - t)) / a)
function code(x, y, z, t, a) return Float64(x - Float64(Float64(y * Float64(z - t)) / a)) end
function tmp = code(x, y, z, t, a) tmp = x - ((y * (z - t)) / a); end
code[x_, y_, z_, t_, a_] := N[(x - N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x - \frac{y \cdot \left(z - t\right)}{a}
\end{array}
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z t a) :precision binary64 (- x (/ (* y (- z t)) a)))
double code(double x, double y, double z, double t, double a) {
return x - ((y * (z - t)) / 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)) / a)
end function
public static double code(double x, double y, double z, double t, double a) {
return x - ((y * (z - t)) / a);
}
def code(x, y, z, t, a): return x - ((y * (z - t)) / a)
function code(x, y, z, t, a) return Float64(x - Float64(Float64(y * Float64(z - t)) / a)) end
function tmp = code(x, y, z, t, a) tmp = x - ((y * (z - t)) / a); end
code[x_, y_, z_, t_, a_] := N[(x - N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x - \frac{y \cdot \left(z - t\right)}{a}
\end{array}
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ (- t z) a)) (t_2 (- x (/ (* y (- z t)) a))))
(if (<= t_2 (- INFINITY))
(fma t_1 y x)
(if (<= t_2 INFINITY) t_2 (* t_1 y)))))
double code(double x, double y, double z, double t, double a) {
double t_1 = (t - z) / a;
double t_2 = x - ((y * (z - t)) / a);
double tmp;
if (t_2 <= -((double) INFINITY)) {
tmp = fma(t_1, y, x);
} else if (t_2 <= ((double) INFINITY)) {
tmp = t_2;
} else {
tmp = t_1 * y;
}
return tmp;
}
function code(x, y, z, t, a) t_1 = Float64(Float64(t - z) / a) t_2 = Float64(x - Float64(Float64(y * Float64(z - t)) / a)) tmp = 0.0 if (t_2 <= Float64(-Inf)) tmp = fma(t_1, y, x); elseif (t_2 <= Inf) tmp = t_2; else tmp = Float64(t_1 * y); end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(t - z), $MachinePrecision] / a), $MachinePrecision]}, Block[{t$95$2 = N[(x - N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$2, (-Infinity)], N[(t$95$1 * y + x), $MachinePrecision], If[LessEqual[t$95$2, Infinity], t$95$2, N[(t$95$1 * y), $MachinePrecision]]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{t - z}{a}\\
t_2 := x - \frac{y \cdot \left(z - t\right)}{a}\\
\mathbf{if}\;t\_2 \leq -\infty:\\
\;\;\;\;\mathsf{fma}\left(t\_1, y, x\right)\\
\mathbf{elif}\;t\_2 \leq \infty:\\
\;\;\;\;t\_2\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot y\\
\end{array}
\end{array}
if (-.f64 x (/.f64 (*.f64 y (-.f64 z t)) a)) < -inf.0Initial program 78.5%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
sub-divN/A
lower-/.f64N/A
lower--.f6499.9
Applied rewrites99.9%
if -inf.0 < (-.f64 x (/.f64 (*.f64 y (-.f64 z t)) a)) < +inf.0Initial program 95.8%
if +inf.0 < (-.f64 x (/.f64 (*.f64 y (-.f64 z t)) a)) Initial program 93.1%
Taylor expanded in y around inf
*-commutativeN/A
sub-divN/A
associate-*l/N/A
lower-/.f64N/A
lower-*.f64N/A
lower--.f6456.9
Applied rewrites56.9%
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
associate-*l/N/A
lower-*.f64N/A
lift-/.f64N/A
lift--.f6456.4
Applied rewrites56.4%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (/ (* y (- z t)) a)) (t_2 (* t (/ y a)))) (if (<= t_1 -2e+37) t_2 (if (<= t_1 1e+114) x t_2))))
double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / a;
double t_2 = t * (y / a);
double tmp;
if (t_1 <= -2e+37) {
tmp = t_2;
} else if (t_1 <= 1e+114) {
tmp = x;
} else {
tmp = t_2;
}
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 * (z - t)) / a
t_2 = t * (y / a)
if (t_1 <= (-2d+37)) then
tmp = t_2
else if (t_1 <= 1d+114) then
tmp = x
else
tmp = t_2
end if
code = tmp
end function
public static double code(double x, double y, double z, double t, double a) {
double t_1 = (y * (z - t)) / a;
double t_2 = t * (y / a);
double tmp;
if (t_1 <= -2e+37) {
tmp = t_2;
} else if (t_1 <= 1e+114) {
tmp = x;
} else {
tmp = t_2;
}
return tmp;
}
def code(x, y, z, t, a): t_1 = (y * (z - t)) / a t_2 = t * (y / a) tmp = 0 if t_1 <= -2e+37: tmp = t_2 elif t_1 <= 1e+114: tmp = x else: tmp = t_2 return tmp
function code(x, y, z, t, a) t_1 = Float64(Float64(y * Float64(z - t)) / a) t_2 = Float64(t * Float64(y / a)) tmp = 0.0 if (t_1 <= -2e+37) tmp = t_2; elseif (t_1 <= 1e+114) tmp = x; else tmp = t_2; end return tmp end
function tmp_2 = code(x, y, z, t, a) t_1 = (y * (z - t)) / a; t_2 = t * (y / a); tmp = 0.0; if (t_1 <= -2e+37) tmp = t_2; elseif (t_1 <= 1e+114) tmp = x; else tmp = t_2; end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]}, Block[{t$95$2 = N[(t * N[(y / a), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[t$95$1, -2e+37], t$95$2, If[LessEqual[t$95$1, 1e+114], x, t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{y \cdot \left(z - t\right)}{a}\\
t_2 := t \cdot \frac{y}{a}\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{+37}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 10^{+114}:\\
\;\;\;\;x\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (/.f64 (*.f64 y (-.f64 z t)) a) < -1.99999999999999991e37 or 1e114 < (/.f64 (*.f64 y (-.f64 z t)) a) Initial program 88.0%
Taylor expanded in t around inf
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f6444.7
Applied rewrites44.7%
lift-*.f64N/A
lift-/.f64N/A
associate-*r/N/A
*-commutativeN/A
associate-/l*N/A
lower-*.f64N/A
lower-/.f6450.7
Applied rewrites50.7%
if -1.99999999999999991e37 < (/.f64 (*.f64 y (-.f64 z t)) a) < 1e114Initial program 99.3%
Taylor expanded in x around inf
Applied rewrites70.5%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (* y (- z t))) (t_2 (* (/ (- t z) a) y))) (if (<= t_1 -2e+168) t_2 (if (<= t_1 5e+68) (fma (/ y a) t x) t_2))))
double code(double x, double y, double z, double t, double a) {
double t_1 = y * (z - t);
double t_2 = ((t - z) / a) * y;
double tmp;
if (t_1 <= -2e+168) {
tmp = t_2;
} else if (t_1 <= 5e+68) {
tmp = fma((y / a), t, x);
} else {
tmp = t_2;
}
return tmp;
}
function code(x, y, z, t, a) t_1 = Float64(y * Float64(z - t)) t_2 = Float64(Float64(Float64(t - z) / a) * y) tmp = 0.0 if (t_1 <= -2e+168) tmp = t_2; elseif (t_1 <= 5e+68) tmp = fma(Float64(y / a), t, x); else tmp = t_2; end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$2 = N[(N[(N[(t - z), $MachinePrecision] / a), $MachinePrecision] * y), $MachinePrecision]}, If[LessEqual[t$95$1, -2e+168], t$95$2, If[LessEqual[t$95$1, 5e+68], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision], t$95$2]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := y \cdot \left(z - t\right)\\
t_2 := \frac{t - z}{a} \cdot y\\
\mathbf{if}\;t\_1 \leq -2 \cdot 10^{+168}:\\
\;\;\;\;t\_2\\
\mathbf{elif}\;t\_1 \leq 5 \cdot 10^{+68}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_2\\
\end{array}
\end{array}
if (*.f64 y (-.f64 z t)) < -1.9999999999999999e168 or 5.0000000000000004e68 < (*.f64 y (-.f64 z t)) Initial program 86.1%
Taylor expanded in y around inf
*-commutativeN/A
sub-divN/A
associate-*l/N/A
lower-/.f64N/A
lower-*.f64N/A
lower--.f6473.4
Applied rewrites73.4%
lift-/.f64N/A
lift--.f64N/A
lift-*.f64N/A
associate-*l/N/A
lower-*.f64N/A
lift-/.f64N/A
lift--.f6482.3
Applied rewrites82.3%
if -1.9999999999999999e168 < (*.f64 y (-.f64 z t)) < 5.0000000000000004e68Initial program 99.4%
Taylor expanded in z around 0
mul-1-negN/A
associate-/l*N/A
distribute-lft-neg-inN/A
fp-cancel-sign-sub-invN/A
associate-/l*N/A
+-commutativeN/A
*-commutativeN/A
associate-*l/N/A
lower-fma.f64N/A
lower-/.f6477.6
Applied rewrites77.6%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (fma (/ y a) t x))) (if (<= t -4.5e+211) t_1 (if (<= t 1.2e+82) (fma (/ (- t z) a) y x) t_1))))
double code(double x, double y, double z, double t, double a) {
double t_1 = fma((y / a), t, x);
double tmp;
if (t <= -4.5e+211) {
tmp = t_1;
} else if (t <= 1.2e+82) {
tmp = fma(((t - z) / a), y, x);
} else {
tmp = t_1;
}
return tmp;
}
function code(x, y, z, t, a) t_1 = fma(Float64(y / a), t, x) tmp = 0.0 if (t <= -4.5e+211) tmp = t_1; elseif (t <= 1.2e+82) tmp = fma(Float64(Float64(t - z) / a), y, x); else tmp = t_1; end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]}, If[LessEqual[t, -4.5e+211], t$95$1, If[LessEqual[t, 1.2e+82], N[(N[(N[(t - z), $MachinePrecision] / a), $MachinePrecision] * y + x), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\mathbf{if}\;t \leq -4.5 \cdot 10^{+211}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t \leq 1.2 \cdot 10^{+82}:\\
\;\;\;\;\mathsf{fma}\left(\frac{t - z}{a}, y, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if t < -4.5e211 or 1.19999999999999999e82 < t Initial program 89.9%
Taylor expanded in z around 0
mul-1-negN/A
associate-/l*N/A
distribute-lft-neg-inN/A
fp-cancel-sign-sub-invN/A
associate-/l*N/A
+-commutativeN/A
*-commutativeN/A
associate-*l/N/A
lower-fma.f64N/A
lower-/.f6489.6
Applied rewrites89.6%
if -4.5e211 < t < 1.19999999999999999e82Initial program 94.3%
Taylor expanded in y around 0
+-commutativeN/A
*-commutativeN/A
lower-fma.f64N/A
sub-divN/A
lower-/.f64N/A
lower--.f6494.0
Applied rewrites94.0%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (fma (/ y a) t x))) (if (<= t -2.9e+40) t_1 (if (<= t 1.7e-6) (- x (* (/ z a) y)) t_1))))
double code(double x, double y, double z, double t, double a) {
double t_1 = fma((y / a), t, x);
double tmp;
if (t <= -2.9e+40) {
tmp = t_1;
} else if (t <= 1.7e-6) {
tmp = x - ((z / a) * y);
} else {
tmp = t_1;
}
return tmp;
}
function code(x, y, z, t, a) t_1 = fma(Float64(y / a), t, x) tmp = 0.0 if (t <= -2.9e+40) tmp = t_1; elseif (t <= 1.7e-6) tmp = Float64(x - Float64(Float64(z / a) * y)); else tmp = t_1; end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]}, If[LessEqual[t, -2.9e+40], t$95$1, If[LessEqual[t, 1.7e-6], N[(x - N[(N[(z / a), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\mathbf{if}\;t \leq -2.9 \cdot 10^{+40}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;t \leq 1.7 \cdot 10^{-6}:\\
\;\;\;\;x - \frac{z}{a} \cdot y\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if t < -2.90000000000000017e40 or 1.70000000000000003e-6 < t Initial program 90.7%
Taylor expanded in z around 0
mul-1-negN/A
associate-/l*N/A
distribute-lft-neg-inN/A
fp-cancel-sign-sub-invN/A
associate-/l*N/A
+-commutativeN/A
*-commutativeN/A
associate-*l/N/A
lower-fma.f64N/A
lower-/.f6484.3
Applied rewrites84.3%
if -2.90000000000000017e40 < t < 1.70000000000000003e-6Initial program 95.4%
Taylor expanded in z around inf
associate-/l*N/A
*-commutativeN/A
lower-*.f64N/A
lower-/.f6484.7
Applied rewrites84.7%
(FPCore (x y z t a) :precision binary64 (let* ((t_1 (* (- z) (/ y a)))) (if (<= z -3.1e+144) t_1 (if (<= z 8e+80) (fma (/ y a) t x) t_1))))
double code(double x, double y, double z, double t, double a) {
double t_1 = -z * (y / a);
double tmp;
if (z <= -3.1e+144) {
tmp = t_1;
} else if (z <= 8e+80) {
tmp = fma((y / a), t, x);
} else {
tmp = t_1;
}
return tmp;
}
function code(x, y, z, t, a) t_1 = Float64(Float64(-z) * Float64(y / a)) tmp = 0.0 if (z <= -3.1e+144) tmp = t_1; elseif (z <= 8e+80) tmp = fma(Float64(y / a), t, x); else tmp = t_1; end return tmp end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[((-z) * N[(y / a), $MachinePrecision]), $MachinePrecision]}, If[LessEqual[z, -3.1e+144], t$95$1, If[LessEqual[z, 8e+80], N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision], t$95$1]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \left(-z\right) \cdot \frac{y}{a}\\
\mathbf{if}\;z \leq -3.1 \cdot 10^{+144}:\\
\;\;\;\;t\_1\\
\mathbf{elif}\;z \leq 8 \cdot 10^{+80}:\\
\;\;\;\;\mathsf{fma}\left(\frac{y}{a}, t, x\right)\\
\mathbf{else}:\\
\;\;\;\;t\_1\\
\end{array}
\end{array}
if z < -3.1000000000000002e144 or 8e80 < z Initial program 89.6%
Taylor expanded in z around inf
associate-*l/N/A
associate-*l*N/A
*-commutativeN/A
associate-*r*N/A
*-commutativeN/A
mul-1-negN/A
lower-*.f64N/A
lower-neg.f64N/A
lower-/.f6462.4
Applied rewrites62.4%
if -3.1000000000000002e144 < z < 8e80Initial program 94.8%
Taylor expanded in z around 0
mul-1-negN/A
associate-/l*N/A
distribute-lft-neg-inN/A
fp-cancel-sign-sub-invN/A
associate-/l*N/A
+-commutativeN/A
*-commutativeN/A
associate-*l/N/A
lower-fma.f64N/A
lower-/.f6483.9
Applied rewrites83.9%
(FPCore (x y z t a) :precision binary64 (fma (/ y a) t x))
double code(double x, double y, double z, double t, double a) {
return fma((y / a), t, x);
}
function code(x, y, z, t, a) return fma(Float64(y / a), t, x) end
code[x_, y_, z_, t_, a_] := N[(N[(y / a), $MachinePrecision] * t + x), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(\frac{y}{a}, t, x\right)
\end{array}
Initial program 93.1%
Taylor expanded in z around 0
mul-1-negN/A
associate-/l*N/A
distribute-lft-neg-inN/A
fp-cancel-sign-sub-invN/A
associate-/l*N/A
+-commutativeN/A
*-commutativeN/A
associate-*l/N/A
lower-fma.f64N/A
lower-/.f6471.9
Applied rewrites71.9%
(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 93.1%
Taylor expanded in x around inf
Applied rewrites39.3%
(FPCore (x y z t a)
:precision binary64
(let* ((t_1 (/ a (- z t))))
(if (< y -1.0761266216389975e-10)
(- x (/ 1.0 (/ t_1 y)))
(if (< y 2.894426862792089e-49)
(- x (/ (* y (- z t)) a))
(- x (/ y t_1))))))
double code(double x, double y, double z, double t, double a) {
double t_1 = a / (z - t);
double tmp;
if (y < -1.0761266216389975e-10) {
tmp = x - (1.0 / (t_1 / y));
} else if (y < 2.894426862792089e-49) {
tmp = x - ((y * (z - t)) / a);
} else {
tmp = x - (y / 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) :: tmp
t_1 = a / (z - t)
if (y < (-1.0761266216389975d-10)) then
tmp = x - (1.0d0 / (t_1 / y))
else if (y < 2.894426862792089d-49) then
tmp = x - ((y * (z - t)) / a)
else
tmp = x - (y / 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 = a / (z - t);
double tmp;
if (y < -1.0761266216389975e-10) {
tmp = x - (1.0 / (t_1 / y));
} else if (y < 2.894426862792089e-49) {
tmp = x - ((y * (z - t)) / a);
} else {
tmp = x - (y / t_1);
}
return tmp;
}
def code(x, y, z, t, a): t_1 = a / (z - t) tmp = 0 if y < -1.0761266216389975e-10: tmp = x - (1.0 / (t_1 / y)) elif y < 2.894426862792089e-49: tmp = x - ((y * (z - t)) / a) else: tmp = x - (y / t_1) return tmp
function code(x, y, z, t, a) t_1 = Float64(a / Float64(z - t)) tmp = 0.0 if (y < -1.0761266216389975e-10) tmp = Float64(x - Float64(1.0 / Float64(t_1 / y))); elseif (y < 2.894426862792089e-49) tmp = Float64(x - Float64(Float64(y * Float64(z - t)) / a)); else tmp = Float64(x - Float64(y / t_1)); end return tmp end
function tmp_2 = code(x, y, z, t, a) t_1 = a / (z - t); tmp = 0.0; if (y < -1.0761266216389975e-10) tmp = x - (1.0 / (t_1 / y)); elseif (y < 2.894426862792089e-49) tmp = x - ((y * (z - t)) / a); else tmp = x - (y / t_1); end tmp_2 = tmp; end
code[x_, y_, z_, t_, a_] := Block[{t$95$1 = N[(a / N[(z - t), $MachinePrecision]), $MachinePrecision]}, If[Less[y, -1.0761266216389975e-10], N[(x - N[(1.0 / N[(t$95$1 / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[Less[y, 2.894426862792089e-49], N[(x - N[(N[(y * N[(z - t), $MachinePrecision]), $MachinePrecision] / a), $MachinePrecision]), $MachinePrecision], N[(x - N[(y / t$95$1), $MachinePrecision]), $MachinePrecision]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_1 := \frac{a}{z - t}\\
\mathbf{if}\;y < -1.0761266216389975 \cdot 10^{-10}:\\
\;\;\;\;x - \frac{1}{\frac{t\_1}{y}}\\
\mathbf{elif}\;y < 2.894426862792089 \cdot 10^{-49}:\\
\;\;\;\;x - \frac{y \cdot \left(z - t\right)}{a}\\
\mathbf{else}:\\
\;\;\;\;x - \frac{y}{t\_1}\\
\end{array}
\end{array}
herbie shell --seed 2025089
(FPCore (x y z t a)
:name "Optimisation.CirclePacking:place from circle-packing-0.1.0.4, F"
:precision binary64
:alt
(! :herbie-platform default (if (< y -430450648655599/4000000000000000000000000) (- x (/ 1 (/ (/ a (- z t)) y))) (if (< y 2894426862792089/10000000000000000000000000000000000000000000000000000000000000000) (- x (/ (* y (- z t)) a)) (- x (/ y (/ a (- z t)))))))
(- x (/ (* y (- z t)) a)))