
(FPCore (e v) :precision binary64 (/ (* e (sin v)) (+ 1.0 (* e (cos v)))))
double code(double e, double v) {
return (e * sin(v)) / (1.0 + (e * cos(v)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = (e * sin(v)) / (1.0d0 + (e * cos(v)))
end function
public static double code(double e, double v) {
return (e * Math.sin(v)) / (1.0 + (e * Math.cos(v)));
}
def code(e, v): return (e * math.sin(v)) / (1.0 + (e * math.cos(v)))
function code(e, v) return Float64(Float64(e * sin(v)) / Float64(1.0 + Float64(e * cos(v)))) end
function tmp = code(e, v) tmp = (e * sin(v)) / (1.0 + (e * cos(v))); end
code[e_, v_] := N[(N[(e * N[Sin[v], $MachinePrecision]), $MachinePrecision] / N[(1.0 + N[(e * N[Cos[v], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e \cdot \sin v}{1 + e \cdot \cos v}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 13 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (e v) :precision binary64 (/ (* e (sin v)) (+ 1.0 (* e (cos v)))))
double code(double e, double v) {
return (e * sin(v)) / (1.0 + (e * cos(v)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = (e * sin(v)) / (1.0d0 + (e * cos(v)))
end function
public static double code(double e, double v) {
return (e * Math.sin(v)) / (1.0 + (e * Math.cos(v)));
}
def code(e, v): return (e * math.sin(v)) / (1.0 + (e * math.cos(v)))
function code(e, v) return Float64(Float64(e * sin(v)) / Float64(1.0 + Float64(e * cos(v)))) end
function tmp = code(e, v) tmp = (e * sin(v)) / (1.0 + (e * cos(v))); end
code[e_, v_] := N[(N[(e * N[Sin[v], $MachinePrecision]), $MachinePrecision] / N[(1.0 + N[(e * N[Cos[v], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e \cdot \sin v}{1 + e \cdot \cos v}
\end{array}
(FPCore (e v) :precision binary64 (/ (* e (sin v)) (exp (log1p (* e (cos v))))))
double code(double e, double v) {
return (e * sin(v)) / exp(log1p((e * cos(v))));
}
public static double code(double e, double v) {
return (e * Math.sin(v)) / Math.exp(Math.log1p((e * Math.cos(v))));
}
def code(e, v): return (e * math.sin(v)) / math.exp(math.log1p((e * math.cos(v))))
function code(e, v) return Float64(Float64(e * sin(v)) / exp(log1p(Float64(e * cos(v))))) end
code[e_, v_] := N[(N[(e * N[Sin[v], $MachinePrecision]), $MachinePrecision] / N[Exp[N[Log[1 + N[(e * N[Cos[v], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e \cdot \sin v}{e^{\mathsf{log1p}\left(e \cdot \cos v\right)}}
\end{array}
Initial program 99.7%
/-rgt-identityN/A
clear-numN/A
inv-powN/A
pow-to-expN/A
rec-expN/A
exp-lowering-exp.f64N/A
neg-lowering-neg.f64N/A
*-lowering-*.f64N/A
accelerator-lowering-log1p.f64N/A
*-lowering-*.f64N/A
cos-lowering-cos.f6499.8%
Applied egg-rr99.8%
Final simplification99.8%
(FPCore (e v) :precision binary64 (/ (* e (sin v)) (+ (* e (cos v)) 1.0)))
double code(double e, double v) {
return (e * sin(v)) / ((e * cos(v)) + 1.0);
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = (e * sin(v)) / ((e * cos(v)) + 1.0d0)
end function
public static double code(double e, double v) {
return (e * Math.sin(v)) / ((e * Math.cos(v)) + 1.0);
}
def code(e, v): return (e * math.sin(v)) / ((e * math.cos(v)) + 1.0)
function code(e, v) return Float64(Float64(e * sin(v)) / Float64(Float64(e * cos(v)) + 1.0)) end
function tmp = code(e, v) tmp = (e * sin(v)) / ((e * cos(v)) + 1.0); end
code[e_, v_] := N[(N[(e * N[Sin[v], $MachinePrecision]), $MachinePrecision] / N[(N[(e * N[Cos[v], $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e \cdot \sin v}{e \cdot \cos v + 1}
\end{array}
Initial program 99.7%
Final simplification99.7%
(FPCore (e v) :precision binary64 (/ e (/ (+ (* e (cos v)) 1.0) (sin v))))
double code(double e, double v) {
return e / (((e * cos(v)) + 1.0) / sin(v));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / (((e * cos(v)) + 1.0d0) / sin(v))
end function
public static double code(double e, double v) {
return e / (((e * Math.cos(v)) + 1.0) / Math.sin(v));
}
def code(e, v): return e / (((e * math.cos(v)) + 1.0) / math.sin(v))
function code(e, v) return Float64(e / Float64(Float64(Float64(e * cos(v)) + 1.0) / sin(v))) end
function tmp = code(e, v) tmp = e / (((e * cos(v)) + 1.0) / sin(v)); end
code[e_, v_] := N[(e / N[(N[(N[(e * N[Cos[v], $MachinePrecision]), $MachinePrecision] + 1.0), $MachinePrecision] / N[Sin[v], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{\frac{e \cdot \cos v + 1}{\sin v}}
\end{array}
Initial program 99.7%
associate-/l*N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
cos-lowering-cos.f64N/A
sin-lowering-sin.f6499.6%
Applied egg-rr99.6%
Final simplification99.6%
(FPCore (e v) :precision binary64 (/ (sin v) (+ (cos v) (/ 1.0 e))))
double code(double e, double v) {
return sin(v) / (cos(v) + (1.0 / e));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = sin(v) / (cos(v) + (1.0d0 / e))
end function
public static double code(double e, double v) {
return Math.sin(v) / (Math.cos(v) + (1.0 / e));
}
def code(e, v): return math.sin(v) / (math.cos(v) + (1.0 / e))
function code(e, v) return Float64(sin(v) / Float64(cos(v) + Float64(1.0 / e))) end
function tmp = code(e, v) tmp = sin(v) / (cos(v) + (1.0 / e)); end
code[e_, v_] := N[(N[Sin[v], $MachinePrecision] / N[(N[Cos[v], $MachinePrecision] + N[(1.0 / e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\sin v}{\cos v + \frac{1}{e}}
\end{array}
Initial program 99.7%
Taylor expanded in v around inf
rgt-mult-inverseN/A
distribute-lft-inN/A
+-commutativeN/A
times-fracN/A
*-rgt-identityN/A
associate-*r/N/A
rgt-mult-inverseN/A
*-lft-identityN/A
/-lowering-/.f64N/A
sin-lowering-sin.f64N/A
+-lowering-+.f64N/A
cos-lowering-cos.f64N/A
/-lowering-/.f6499.6%
Simplified99.6%
(FPCore (e v) :precision binary64 (* (/ (* e (sin v)) (+ 1.0 (* e (* e e)))) (+ (* e e) (- 1.0 e))))
double code(double e, double v) {
return ((e * sin(v)) / (1.0 + (e * (e * e)))) * ((e * e) + (1.0 - e));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = ((e * sin(v)) / (1.0d0 + (e * (e * e)))) * ((e * e) + (1.0d0 - e))
end function
public static double code(double e, double v) {
return ((e * Math.sin(v)) / (1.0 + (e * (e * e)))) * ((e * e) + (1.0 - e));
}
def code(e, v): return ((e * math.sin(v)) / (1.0 + (e * (e * e)))) * ((e * e) + (1.0 - e))
function code(e, v) return Float64(Float64(Float64(e * sin(v)) / Float64(1.0 + Float64(e * Float64(e * e)))) * Float64(Float64(e * e) + Float64(1.0 - e))) end
function tmp = code(e, v) tmp = ((e * sin(v)) / (1.0 + (e * (e * e)))) * ((e * e) + (1.0 - e)); end
code[e_, v_] := N[(N[(N[(e * N[Sin[v], $MachinePrecision]), $MachinePrecision] / N[(1.0 + N[(e * N[(e * e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(N[(e * e), $MachinePrecision] + N[(1.0 - e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e \cdot \sin v}{1 + e \cdot \left(e \cdot e\right)} \cdot \left(e \cdot e + \left(1 - e\right)\right)
\end{array}
Initial program 99.7%
Taylor expanded in v around 0
+-commutativeN/A
+-lowering-+.f6499.0%
Simplified99.0%
flip3-+N/A
associate-/r/N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
*-lowering-*.f64N/A
sin-lowering-sin.f64N/A
metadata-evalN/A
+-commutativeN/A
+-lowering-+.f64N/A
cube-multN/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
metadata-evalN/A
*-rgt-identityN/A
--lowering--.f6499.1%
Applied egg-rr99.1%
(FPCore (e v) :precision binary64 (* e (/ (sin v) (+ e 1.0))))
double code(double e, double v) {
return e * (sin(v) / (e + 1.0));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e * (sin(v) / (e + 1.0d0))
end function
public static double code(double e, double v) {
return e * (Math.sin(v) / (e + 1.0));
}
def code(e, v): return e * (math.sin(v) / (e + 1.0))
function code(e, v) return Float64(e * Float64(sin(v) / Float64(e + 1.0))) end
function tmp = code(e, v) tmp = e * (sin(v) / (e + 1.0)); end
code[e_, v_] := N[(e * N[(N[Sin[v], $MachinePrecision] / N[(e + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
e \cdot \frac{\sin v}{e + 1}
\end{array}
Initial program 99.7%
Taylor expanded in v around 0
+-commutativeN/A
+-lowering-+.f6499.0%
Simplified99.0%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
sin-lowering-sin.f64N/A
+-commutativeN/A
+-lowering-+.f6499.1%
Applied egg-rr99.1%
Final simplification99.1%
(FPCore (e v) :precision binary64 (* e (sin v)))
double code(double e, double v) {
return e * sin(v);
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e * sin(v)
end function
public static double code(double e, double v) {
return e * Math.sin(v);
}
def code(e, v): return e * math.sin(v)
function code(e, v) return Float64(e * sin(v)) end
function tmp = code(e, v) tmp = e * sin(v); end
code[e_, v_] := N[(e * N[Sin[v], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
e \cdot \sin v
\end{array}
Initial program 99.7%
Taylor expanded in e around 0
*-lowering-*.f64N/A
sin-lowering-sin.f6497.8%
Simplified97.8%
(FPCore (e v) :precision binary64 (/ e (/ (+ (+ e 1.0) (* (* v v) (+ (* e -0.5) (* (+ e 1.0) 0.16666666666666666)))) v)))
double code(double e, double v) {
return e / (((e + 1.0) + ((v * v) * ((e * -0.5) + ((e + 1.0) * 0.16666666666666666)))) / v);
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / (((e + 1.0d0) + ((v * v) * ((e * (-0.5d0)) + ((e + 1.0d0) * 0.16666666666666666d0)))) / v)
end function
public static double code(double e, double v) {
return e / (((e + 1.0) + ((v * v) * ((e * -0.5) + ((e + 1.0) * 0.16666666666666666)))) / v);
}
def code(e, v): return e / (((e + 1.0) + ((v * v) * ((e * -0.5) + ((e + 1.0) * 0.16666666666666666)))) / v)
function code(e, v) return Float64(e / Float64(Float64(Float64(e + 1.0) + Float64(Float64(v * v) * Float64(Float64(e * -0.5) + Float64(Float64(e + 1.0) * 0.16666666666666666)))) / v)) end
function tmp = code(e, v) tmp = e / (((e + 1.0) + ((v * v) * ((e * -0.5) + ((e + 1.0) * 0.16666666666666666)))) / v); end
code[e_, v_] := N[(e / N[(N[(N[(e + 1.0), $MachinePrecision] + N[(N[(v * v), $MachinePrecision] * N[(N[(e * -0.5), $MachinePrecision] + N[(N[(e + 1.0), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{\frac{\left(e + 1\right) + \left(v \cdot v\right) \cdot \left(e \cdot -0.5 + \left(e + 1\right) \cdot 0.16666666666666666\right)}{v}}
\end{array}
Initial program 99.7%
associate-/l*N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
cos-lowering-cos.f64N/A
sin-lowering-sin.f6499.6%
Applied egg-rr99.6%
Taylor expanded in v around 0
/-lowering-/.f64N/A
associate-+r+N/A
+-lowering-+.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
sub-negN/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
distribute-lft-neg-inN/A
metadata-evalN/A
*-lowering-*.f64N/A
+-lowering-+.f6449.0%
Simplified49.0%
Final simplification49.0%
(FPCore (e v) :precision binary64 (* (/ e (+ 1.0 (* e (* e e)))) (/ v (/ 1.0 (+ (* e e) (- 1.0 e))))))
double code(double e, double v) {
return (e / (1.0 + (e * (e * e)))) * (v / (1.0 / ((e * e) + (1.0 - e))));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = (e / (1.0d0 + (e * (e * e)))) * (v / (1.0d0 / ((e * e) + (1.0d0 - e))))
end function
public static double code(double e, double v) {
return (e / (1.0 + (e * (e * e)))) * (v / (1.0 / ((e * e) + (1.0 - e))));
}
def code(e, v): return (e / (1.0 + (e * (e * e)))) * (v / (1.0 / ((e * e) + (1.0 - e))))
function code(e, v) return Float64(Float64(e / Float64(1.0 + Float64(e * Float64(e * e)))) * Float64(v / Float64(1.0 / Float64(Float64(e * e) + Float64(1.0 - e))))) end
function tmp = code(e, v) tmp = (e / (1.0 + (e * (e * e)))) * (v / (1.0 / ((e * e) + (1.0 - e)))); end
code[e_, v_] := N[(N[(e / N[(1.0 + N[(e * N[(e * e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] * N[(v / N[(1.0 / N[(N[(e * e), $MachinePrecision] + N[(1.0 - e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{1 + e \cdot \left(e \cdot e\right)} \cdot \frac{v}{\frac{1}{e \cdot e + \left(1 - e\right)}}
\end{array}
Initial program 99.7%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6447.9%
Simplified47.9%
associate-*l/N/A
*-commutativeN/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-commutativeN/A
+-lowering-+.f6447.9%
Applied egg-rr47.9%
associate-/r/N/A
associate-*l/N/A
*-commutativeN/A
+-commutativeN/A
flip3-+N/A
div-invN/A
times-fracN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
metadata-evalN/A
+-commutativeN/A
+-lowering-+.f64N/A
cube-multN/A
*-lowering-*.f64N/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
metadata-evalN/A
*-rgt-identityN/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
Applied egg-rr48.0%
(FPCore (e v) :precision binary64 (* e (/ v (+ e 1.0))))
double code(double e, double v) {
return e * (v / (e + 1.0));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e * (v / (e + 1.0d0))
end function
public static double code(double e, double v) {
return e * (v / (e + 1.0));
}
def code(e, v): return e * (v / (e + 1.0))
function code(e, v) return Float64(e * Float64(v / Float64(e + 1.0))) end
function tmp = code(e, v) tmp = e * (v / (e + 1.0)); end
code[e_, v_] := N[(e * N[(v / N[(e + 1.0), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
e \cdot \frac{v}{e + 1}
\end{array}
Initial program 99.7%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6447.9%
Simplified47.9%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
+-commutativeN/A
+-lowering-+.f6447.9%
Applied egg-rr47.9%
Final simplification47.9%
(FPCore (e v) :precision binary64 (* e (- v (* e v))))
double code(double e, double v) {
return e * (v - (e * v));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e * (v - (e * v))
end function
public static double code(double e, double v) {
return e * (v - (e * v));
}
def code(e, v): return e * (v - (e * v))
function code(e, v) return Float64(e * Float64(v - Float64(e * v))) end
function tmp = code(e, v) tmp = e * (v - (e * v)); end
code[e_, v_] := N[(e * N[(v - N[(e * v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
e \cdot \left(v - e \cdot v\right)
\end{array}
Initial program 99.7%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6447.9%
Simplified47.9%
Taylor expanded in e around 0
*-lowering-*.f64N/A
mul-1-negN/A
unsub-negN/A
--lowering--.f64N/A
*-lowering-*.f6447.4%
Simplified47.4%
(FPCore (e v) :precision binary64 (* e v))
double code(double e, double v) {
return e * v;
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e * v
end function
public static double code(double e, double v) {
return e * v;
}
def code(e, v): return e * v
function code(e, v) return Float64(e * v) end
function tmp = code(e, v) tmp = e * v; end
code[e_, v_] := N[(e * v), $MachinePrecision]
\begin{array}{l}
\\
e \cdot v
\end{array}
Initial program 99.7%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6447.9%
Simplified47.9%
Taylor expanded in e around 0
*-lowering-*.f6446.6%
Simplified46.6%
(FPCore (e v) :precision binary64 v)
double code(double e, double v) {
return v;
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = v
end function
public static double code(double e, double v) {
return v;
}
def code(e, v): return v
function code(e, v) return v end
function tmp = code(e, v) tmp = v; end
code[e_, v_] := v
\begin{array}{l}
\\
v
\end{array}
Initial program 99.7%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6447.9%
Simplified47.9%
Taylor expanded in e around inf
Simplified4.3%
herbie shell --seed 2024191
(FPCore (e v)
:name "Trigonometry A"
:precision binary64
:pre (and (<= 0.0 e) (<= e 1.0))
(/ (* e (sin v)) (+ 1.0 (* e (cos v)))))