
(FPCore (eh ew t) :precision binary64 (let* ((t_1 (atan (/ (/ eh ew) (tan t))))) (fabs (+ (* (* ew (sin t)) (cos t_1)) (* (* eh (cos t)) (sin t_1))))))
double code(double eh, double ew, double t) {
double t_1 = atan(((eh / ew) / tan(t)));
return fabs((((ew * sin(t)) * cos(t_1)) + ((eh * cos(t)) * sin(t_1))));
}
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(eh, ew, t)
use fmin_fmax_functions
real(8), intent (in) :: eh
real(8), intent (in) :: ew
real(8), intent (in) :: t
real(8) :: t_1
t_1 = atan(((eh / ew) / tan(t)))
code = abs((((ew * sin(t)) * cos(t_1)) + ((eh * cos(t)) * sin(t_1))))
end function
public static double code(double eh, double ew, double t) {
double t_1 = Math.atan(((eh / ew) / Math.tan(t)));
return Math.abs((((ew * Math.sin(t)) * Math.cos(t_1)) + ((eh * Math.cos(t)) * Math.sin(t_1))));
}
def code(eh, ew, t): t_1 = math.atan(((eh / ew) / math.tan(t))) return math.fabs((((ew * math.sin(t)) * math.cos(t_1)) + ((eh * math.cos(t)) * math.sin(t_1))))
function code(eh, ew, t) t_1 = atan(Float64(Float64(eh / ew) / tan(t))) return abs(Float64(Float64(Float64(ew * sin(t)) * cos(t_1)) + Float64(Float64(eh * cos(t)) * sin(t_1)))) end
function tmp = code(eh, ew, t) t_1 = atan(((eh / ew) / tan(t))); tmp = abs((((ew * sin(t)) * cos(t_1)) + ((eh * cos(t)) * sin(t_1)))); end
code[eh_, ew_, t_] := Block[{t$95$1 = N[ArcTan[N[(N[(eh / ew), $MachinePrecision] / N[Tan[t], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, N[Abs[N[(N[(N[(ew * N[Sin[t], $MachinePrecision]), $MachinePrecision] * N[Cos[t$95$1], $MachinePrecision]), $MachinePrecision] + N[(N[(eh * N[Cos[t], $MachinePrecision]), $MachinePrecision] * N[Sin[t$95$1], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
t_1 := \tan^{-1} \left(\frac{\frac{eh}{ew}}{\tan t}\right)\\
\left|\left(ew \cdot \sin t\right) \cdot \cos t\_1 + \left(eh \cdot \cos t\right) \cdot \sin t\_1\right|
\end{array}
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (eh ew t) :precision binary64 (let* ((t_1 (atan (/ (/ eh ew) (tan t))))) (fabs (+ (* (* ew (sin t)) (cos t_1)) (* (* eh (cos t)) (sin t_1))))))
double code(double eh, double ew, double t) {
double t_1 = atan(((eh / ew) / tan(t)));
return fabs((((ew * sin(t)) * cos(t_1)) + ((eh * cos(t)) * sin(t_1))));
}
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(eh, ew, t)
use fmin_fmax_functions
real(8), intent (in) :: eh
real(8), intent (in) :: ew
real(8), intent (in) :: t
real(8) :: t_1
t_1 = atan(((eh / ew) / tan(t)))
code = abs((((ew * sin(t)) * cos(t_1)) + ((eh * cos(t)) * sin(t_1))))
end function
public static double code(double eh, double ew, double t) {
double t_1 = Math.atan(((eh / ew) / Math.tan(t)));
return Math.abs((((ew * Math.sin(t)) * Math.cos(t_1)) + ((eh * Math.cos(t)) * Math.sin(t_1))));
}
def code(eh, ew, t): t_1 = math.atan(((eh / ew) / math.tan(t))) return math.fabs((((ew * math.sin(t)) * math.cos(t_1)) + ((eh * math.cos(t)) * math.sin(t_1))))
function code(eh, ew, t) t_1 = atan(Float64(Float64(eh / ew) / tan(t))) return abs(Float64(Float64(Float64(ew * sin(t)) * cos(t_1)) + Float64(Float64(eh * cos(t)) * sin(t_1)))) end
function tmp = code(eh, ew, t) t_1 = atan(((eh / ew) / tan(t))); tmp = abs((((ew * sin(t)) * cos(t_1)) + ((eh * cos(t)) * sin(t_1)))); end
code[eh_, ew_, t_] := Block[{t$95$1 = N[ArcTan[N[(N[(eh / ew), $MachinePrecision] / N[Tan[t], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, N[Abs[N[(N[(N[(ew * N[Sin[t], $MachinePrecision]), $MachinePrecision] * N[Cos[t$95$1], $MachinePrecision]), $MachinePrecision] + N[(N[(eh * N[Cos[t], $MachinePrecision]), $MachinePrecision] * N[Sin[t$95$1], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
t_1 := \tan^{-1} \left(\frac{\frac{eh}{ew}}{\tan t}\right)\\
\left|\left(ew \cdot \sin t\right) \cdot \cos t\_1 + \left(eh \cdot \cos t\right) \cdot \sin t\_1\right|
\end{array}
(FPCore (eh ew t)
:precision binary64
(let* ((t_1 (/ eh (* (tan t) ew))))
(fabs
(fma
(* (tanh (asinh t_1)) (cos t))
eh
(/ (* (sin t) ew) (sqrt (- (pow t_1 2.0) -1.0)))))))double code(double eh, double ew, double t) {
double t_1 = eh / (tan(t) * ew);
return fabs(fma((tanh(asinh(t_1)) * cos(t)), eh, ((sin(t) * ew) / sqrt((pow(t_1, 2.0) - -1.0)))));
}
function code(eh, ew, t) t_1 = Float64(eh / Float64(tan(t) * ew)) return abs(fma(Float64(tanh(asinh(t_1)) * cos(t)), eh, Float64(Float64(sin(t) * ew) / sqrt(Float64((t_1 ^ 2.0) - -1.0))))) end
code[eh_, ew_, t_] := Block[{t$95$1 = N[(eh / N[(N[Tan[t], $MachinePrecision] * ew), $MachinePrecision]), $MachinePrecision]}, N[Abs[N[(N[(N[Tanh[N[ArcSinh[t$95$1], $MachinePrecision]], $MachinePrecision] * N[Cos[t], $MachinePrecision]), $MachinePrecision] * eh + N[(N[(N[Sin[t], $MachinePrecision] * ew), $MachinePrecision] / N[Sqrt[N[(N[Power[t$95$1, 2.0], $MachinePrecision] - -1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
t_1 := \frac{eh}{\tan t \cdot ew}\\
\left|\mathsf{fma}\left(\tanh \sinh^{-1} t\_1 \cdot \cos t, eh, \frac{\sin t \cdot ew}{\sqrt{{t\_1}^{2} - -1}}\right)\right|
\end{array}
Initial program 99.8%
Applied rewrites99.8%
(FPCore (eh ew t) :precision binary64 (fabs (fma (* (tanh (asinh (/ eh (* (tan t) ew)))) (cos t)) eh (* ew (sin t)))))
double code(double eh, double ew, double t) {
return fabs(fma((tanh(asinh((eh / (tan(t) * ew)))) * cos(t)), eh, (ew * sin(t))));
}
function code(eh, ew, t) return abs(fma(Float64(tanh(asinh(Float64(eh / Float64(tan(t) * ew)))) * cos(t)), eh, Float64(ew * sin(t)))) end
code[eh_, ew_, t_] := N[Abs[N[(N[(N[Tanh[N[ArcSinh[N[(eh / N[(N[Tan[t], $MachinePrecision] * ew), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]], $MachinePrecision] * N[Cos[t], $MachinePrecision]), $MachinePrecision] * eh + N[(ew * N[Sin[t], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\left|\mathsf{fma}\left(\tanh \sinh^{-1} \left(\frac{eh}{\tan t \cdot ew}\right) \cdot \cos t, eh, ew \cdot \sin t\right)\right|
Initial program 99.8%
Applied rewrites99.8%
Taylor expanded in eh around 0
lower-*.f64N/A
lower-sin.f6498.3%
Applied rewrites98.3%
(FPCore (eh ew t)
:precision binary64
(let* ((t_1 (/ (/ eh ew) t)))
(fabs
(fma
(* (tanh (asinh t_1)) (cos t))
eh
(/ (* (sin t) ew) (sqrt (fma t_1 t_1 1.0)))))))double code(double eh, double ew, double t) {
double t_1 = (eh / ew) / t;
return fabs(fma((tanh(asinh(t_1)) * cos(t)), eh, ((sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0)))));
}
function code(eh, ew, t) t_1 = Float64(Float64(eh / ew) / t) return abs(fma(Float64(tanh(asinh(t_1)) * cos(t)), eh, Float64(Float64(sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0))))) end
code[eh_, ew_, t_] := Block[{t$95$1 = N[(N[(eh / ew), $MachinePrecision] / t), $MachinePrecision]}, N[Abs[N[(N[(N[Tanh[N[ArcSinh[t$95$1], $MachinePrecision]], $MachinePrecision] * N[Cos[t], $MachinePrecision]), $MachinePrecision] * eh + N[(N[(N[Sin[t], $MachinePrecision] * ew), $MachinePrecision] / N[Sqrt[N[(t$95$1 * t$95$1 + 1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
t_1 := \frac{\frac{eh}{ew}}{t}\\
\left|\mathsf{fma}\left(\tanh \sinh^{-1} t\_1 \cdot \cos t, eh, \frac{\sin t \cdot ew}{\sqrt{\mathsf{fma}\left(t\_1, t\_1, 1\right)}}\right)\right|
\end{array}
Initial program 99.8%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6499.1%
Applied rewrites99.1%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6489.9%
Applied rewrites89.9%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-fma.f64N/A
Applied rewrites89.9%
lift-/.f64N/A
lift-*.f64N/A
associate-/r*N/A
lower-/.f64N/A
lift-/.f6489.9%
Applied rewrites89.9%
lift-/.f64N/A
lift-*.f64N/A
associate-/r*N/A
lower-/.f64N/A
lift-/.f6489.9%
Applied rewrites89.9%
lift-/.f64N/A
lift-*.f64N/A
associate-/r*N/A
lower-/.f64N/A
lift-/.f6489.9%
Applied rewrites89.9%
(FPCore (eh ew t)
:precision binary64
(let* ((t_1 (/ eh (* ew t))))
(fabs
(fma
(* (tanh (asinh t_1)) (cos t))
eh
(/ (* (sin t) ew) (sqrt (fma t_1 t_1 1.0)))))))double code(double eh, double ew, double t) {
double t_1 = eh / (ew * t);
return fabs(fma((tanh(asinh(t_1)) * cos(t)), eh, ((sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0)))));
}
function code(eh, ew, t) t_1 = Float64(eh / Float64(ew * t)) return abs(fma(Float64(tanh(asinh(t_1)) * cos(t)), eh, Float64(Float64(sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0))))) end
code[eh_, ew_, t_] := Block[{t$95$1 = N[(eh / N[(ew * t), $MachinePrecision]), $MachinePrecision]}, N[Abs[N[(N[(N[Tanh[N[ArcSinh[t$95$1], $MachinePrecision]], $MachinePrecision] * N[Cos[t], $MachinePrecision]), $MachinePrecision] * eh + N[(N[(N[Sin[t], $MachinePrecision] * ew), $MachinePrecision] / N[Sqrt[N[(t$95$1 * t$95$1 + 1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
t_1 := \frac{eh}{ew \cdot t}\\
\left|\mathsf{fma}\left(\tanh \sinh^{-1} t\_1 \cdot \cos t, eh, \frac{\sin t \cdot ew}{\sqrt{\mathsf{fma}\left(t\_1, t\_1, 1\right)}}\right)\right|
\end{array}
Initial program 99.8%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6499.1%
Applied rewrites99.1%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6489.9%
Applied rewrites89.9%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-fma.f64N/A
Applied rewrites89.9%
(FPCore (eh ew t)
:precision binary64
(let* ((t_1 (/ (/ eh t) ew))
(t_2 (/ eh (* ew t)))
(t_3
(fabs
(fma
(* (tanh (asinh t_2)) (cos t))
eh
(/
(* t (+ ew (* -0.16666666666666666 (* ew (pow t 2.0)))))
(sqrt (fma t_2 t_2 1.0)))))))
(if (<= eh -2.4e+42)
t_3
(if (<= eh 5.6e-33)
(fabs
(fma
(* (tanh (asinh t_1)) (+ 1.0 (* -0.5 (pow t 2.0))))
eh
(/ (* (sin t) ew) (sqrt (fma t_1 t_1 1.0)))))
t_3))))double code(double eh, double ew, double t) {
double t_1 = (eh / t) / ew;
double t_2 = eh / (ew * t);
double t_3 = fabs(fma((tanh(asinh(t_2)) * cos(t)), eh, ((t * (ew + (-0.16666666666666666 * (ew * pow(t, 2.0))))) / sqrt(fma(t_2, t_2, 1.0)))));
double tmp;
if (eh <= -2.4e+42) {
tmp = t_3;
} else if (eh <= 5.6e-33) {
tmp = fabs(fma((tanh(asinh(t_1)) * (1.0 + (-0.5 * pow(t, 2.0)))), eh, ((sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0)))));
} else {
tmp = t_3;
}
return tmp;
}
function code(eh, ew, t) t_1 = Float64(Float64(eh / t) / ew) t_2 = Float64(eh / Float64(ew * t)) t_3 = abs(fma(Float64(tanh(asinh(t_2)) * cos(t)), eh, Float64(Float64(t * Float64(ew + Float64(-0.16666666666666666 * Float64(ew * (t ^ 2.0))))) / sqrt(fma(t_2, t_2, 1.0))))) tmp = 0.0 if (eh <= -2.4e+42) tmp = t_3; elseif (eh <= 5.6e-33) tmp = abs(fma(Float64(tanh(asinh(t_1)) * Float64(1.0 + Float64(-0.5 * (t ^ 2.0)))), eh, Float64(Float64(sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0))))); else tmp = t_3; end return tmp end
code[eh_, ew_, t_] := Block[{t$95$1 = N[(N[(eh / t), $MachinePrecision] / ew), $MachinePrecision]}, Block[{t$95$2 = N[(eh / N[(ew * t), $MachinePrecision]), $MachinePrecision]}, Block[{t$95$3 = N[Abs[N[(N[(N[Tanh[N[ArcSinh[t$95$2], $MachinePrecision]], $MachinePrecision] * N[Cos[t], $MachinePrecision]), $MachinePrecision] * eh + N[(N[(t * N[(ew + N[(-0.16666666666666666 * N[(ew * N[Power[t, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sqrt[N[(t$95$2 * t$95$2 + 1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]}, If[LessEqual[eh, -2.4e+42], t$95$3, If[LessEqual[eh, 5.6e-33], N[Abs[N[(N[(N[Tanh[N[ArcSinh[t$95$1], $MachinePrecision]], $MachinePrecision] * N[(1.0 + N[(-0.5 * N[Power[t, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * eh + N[(N[(N[Sin[t], $MachinePrecision] * ew), $MachinePrecision] / N[Sqrt[N[(t$95$1 * t$95$1 + 1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision], t$95$3]]]]]
\begin{array}{l}
t_1 := \frac{\frac{eh}{t}}{ew}\\
t_2 := \frac{eh}{ew \cdot t}\\
t_3 := \left|\mathsf{fma}\left(\tanh \sinh^{-1} t\_2 \cdot \cos t, eh, \frac{t \cdot \left(ew + -0.16666666666666666 \cdot \left(ew \cdot {t}^{2}\right)\right)}{\sqrt{\mathsf{fma}\left(t\_2, t\_2, 1\right)}}\right)\right|\\
\mathbf{if}\;eh \leq -2.4 \cdot 10^{+42}:\\
\;\;\;\;t\_3\\
\mathbf{elif}\;eh \leq 5.6 \cdot 10^{-33}:\\
\;\;\;\;\left|\mathsf{fma}\left(\tanh \sinh^{-1} t\_1 \cdot \left(1 + -0.5 \cdot {t}^{2}\right), eh, \frac{\sin t \cdot ew}{\sqrt{\mathsf{fma}\left(t\_1, t\_1, 1\right)}}\right)\right|\\
\mathbf{else}:\\
\;\;\;\;t\_3\\
\end{array}
if eh < -2.3999999999999999e42 or 5.5999999999999998e-33 < eh Initial program 99.8%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6499.1%
Applied rewrites99.1%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6489.9%
Applied rewrites89.9%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-fma.f64N/A
Applied rewrites89.9%
Taylor expanded in t around 0
lower-*.f64N/A
lower-+.f64N/A
lower-*.f64N/A
lower-*.f64N/A
lower-pow.f6458.9%
Applied rewrites58.9%
if -2.3999999999999999e42 < eh < 5.5999999999999998e-33Initial program 99.8%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6499.1%
Applied rewrites99.1%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6489.9%
Applied rewrites89.9%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-fma.f64N/A
Applied rewrites89.9%
Taylor expanded in t around 0
lower-+.f64N/A
lower-*.f64N/A
lower-pow.f6462.8%
Applied rewrites62.8%
lift-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6462.8%
Applied rewrites62.8%
lift-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6462.8%
Applied rewrites62.8%
lift-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6462.8%
Applied rewrites62.8%
(FPCore (eh ew t)
:precision binary64
(let* ((t_1 (/ (/ eh t) ew)))
(fabs
(fma
(* (tanh (asinh t_1)) (+ 1.0 (* -0.5 (pow t 2.0))))
eh
(/ (* (sin t) ew) (sqrt (fma t_1 t_1 1.0)))))))double code(double eh, double ew, double t) {
double t_1 = (eh / t) / ew;
return fabs(fma((tanh(asinh(t_1)) * (1.0 + (-0.5 * pow(t, 2.0)))), eh, ((sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0)))));
}
function code(eh, ew, t) t_1 = Float64(Float64(eh / t) / ew) return abs(fma(Float64(tanh(asinh(t_1)) * Float64(1.0 + Float64(-0.5 * (t ^ 2.0)))), eh, Float64(Float64(sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0))))) end
code[eh_, ew_, t_] := Block[{t$95$1 = N[(N[(eh / t), $MachinePrecision] / ew), $MachinePrecision]}, N[Abs[N[(N[(N[Tanh[N[ArcSinh[t$95$1], $MachinePrecision]], $MachinePrecision] * N[(1.0 + N[(-0.5 * N[Power[t, 2.0], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * eh + N[(N[(N[Sin[t], $MachinePrecision] * ew), $MachinePrecision] / N[Sqrt[N[(t$95$1 * t$95$1 + 1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
t_1 := \frac{\frac{eh}{t}}{ew}\\
\left|\mathsf{fma}\left(\tanh \sinh^{-1} t\_1 \cdot \left(1 + -0.5 \cdot {t}^{2}\right), eh, \frac{\sin t \cdot ew}{\sqrt{\mathsf{fma}\left(t\_1, t\_1, 1\right)}}\right)\right|
\end{array}
Initial program 99.8%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6499.1%
Applied rewrites99.1%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6489.9%
Applied rewrites89.9%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-fma.f64N/A
Applied rewrites89.9%
Taylor expanded in t around 0
lower-+.f64N/A
lower-*.f64N/A
lower-pow.f6462.8%
Applied rewrites62.8%
lift-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6462.8%
Applied rewrites62.8%
lift-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6462.8%
Applied rewrites62.8%
lift-/.f64N/A
lift-*.f64N/A
*-commutativeN/A
associate-/r*N/A
lower-/.f64N/A
lower-/.f6462.8%
Applied rewrites62.8%
(FPCore (eh ew t)
:precision binary64
(let* ((t_1 (/ eh (* ew t))))
(fabs
(fma
(* eh (tanh (asinh t_1)))
(fma (* t t) -0.5 1.0)
(/ (* (sin t) ew) (sqrt (fma t_1 t_1 1.0)))))))double code(double eh, double ew, double t) {
double t_1 = eh / (ew * t);
return fabs(fma((eh * tanh(asinh(t_1))), fma((t * t), -0.5, 1.0), ((sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0)))));
}
function code(eh, ew, t) t_1 = Float64(eh / Float64(ew * t)) return abs(fma(Float64(eh * tanh(asinh(t_1))), fma(Float64(t * t), -0.5, 1.0), Float64(Float64(sin(t) * ew) / sqrt(fma(t_1, t_1, 1.0))))) end
code[eh_, ew_, t_] := Block[{t$95$1 = N[(eh / N[(ew * t), $MachinePrecision]), $MachinePrecision]}, N[Abs[N[(N[(eh * N[Tanh[N[ArcSinh[t$95$1], $MachinePrecision]], $MachinePrecision]), $MachinePrecision] * N[(N[(t * t), $MachinePrecision] * -0.5 + 1.0), $MachinePrecision] + N[(N[(N[Sin[t], $MachinePrecision] * ew), $MachinePrecision] / N[Sqrt[N[(t$95$1 * t$95$1 + 1.0), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]]
\begin{array}{l}
t_1 := \frac{eh}{ew \cdot t}\\
\left|\mathsf{fma}\left(eh \cdot \tanh \sinh^{-1} t\_1, \mathsf{fma}\left(t \cdot t, -0.5, 1\right), \frac{\sin t \cdot ew}{\sqrt{\mathsf{fma}\left(t\_1, t\_1, 1\right)}}\right)\right|
\end{array}
Initial program 99.8%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6499.1%
Applied rewrites99.1%
Taylor expanded in t around 0
lower-/.f64N/A
lower-*.f6489.9%
Applied rewrites89.9%
lift-+.f64N/A
+-commutativeN/A
lift-*.f64N/A
lift-*.f64N/A
associate-*l*N/A
*-commutativeN/A
lower-fma.f64N/A
Applied rewrites89.9%
Taylor expanded in t around 0
lower-+.f64N/A
lower-*.f64N/A
lower-pow.f6462.8%
Applied rewrites62.8%
lift-fma.f64N/A
*-commutativeN/A
lift-*.f64N/A
associate-*r*N/A
lower-fma.f64N/A
Applied rewrites63.0%
(FPCore (eh ew t) :precision binary64 (fabs (/ (pow eh 2.0) (* ew (sqrt (/ (pow eh 2.0) (pow ew 2.0)))))))
double code(double eh, double ew, double t) {
return fabs((pow(eh, 2.0) / (ew * sqrt((pow(eh, 2.0) / pow(ew, 2.0))))));
}
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(eh, ew, t)
use fmin_fmax_functions
real(8), intent (in) :: eh
real(8), intent (in) :: ew
real(8), intent (in) :: t
code = abs(((eh ** 2.0d0) / (ew * sqrt(((eh ** 2.0d0) / (ew ** 2.0d0))))))
end function
public static double code(double eh, double ew, double t) {
return Math.abs((Math.pow(eh, 2.0) / (ew * Math.sqrt((Math.pow(eh, 2.0) / Math.pow(ew, 2.0))))));
}
def code(eh, ew, t): return math.fabs((math.pow(eh, 2.0) / (ew * math.sqrt((math.pow(eh, 2.0) / math.pow(ew, 2.0))))))
function code(eh, ew, t) return abs(Float64((eh ^ 2.0) / Float64(ew * sqrt(Float64((eh ^ 2.0) / (ew ^ 2.0)))))) end
function tmp = code(eh, ew, t) tmp = abs(((eh ^ 2.0) / (ew * sqrt(((eh ^ 2.0) / (ew ^ 2.0)))))); end
code[eh_, ew_, t_] := N[Abs[N[(N[Power[eh, 2.0], $MachinePrecision] / N[(ew * N[Sqrt[N[(N[Power[eh, 2.0], $MachinePrecision] / N[Power[ew, 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]], $MachinePrecision]
\left|\frac{{eh}^{2}}{ew \cdot \sqrt{\frac{{eh}^{2}}{{ew}^{2}}}}\right|
Initial program 99.8%
Applied rewrites99.8%
Applied rewrites59.5%
Taylor expanded in t around 0
lower-/.f64N/A
lower-pow.f64N/A
lower-*.f64N/A
lower-sqrt.f64N/A
lower-/.f64N/A
lower-pow.f64N/A
lower-pow.f6411.5%
Applied rewrites11.5%
herbie shell --seed 2025212
(FPCore (eh ew t)
:name "Example from Robby"
:precision binary64
(fabs (+ (* (* ew (sin t)) (cos (atan (/ (/ eh ew) (tan t))))) (* (* eh (cos t)) (sin (atan (/ (/ eh ew) (tan t))))))))