
(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 12 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)) (+ 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}
Initial program 99.8%
(FPCore (e v) :precision binary64 (* (sin v) (/ 1.0 (+ (cos v) (/ 1.0 e)))))
double code(double e, double v) {
return sin(v) * (1.0 / (cos(v) + (1.0 / e)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = sin(v) * (1.0d0 / (cos(v) + (1.0d0 / e)))
end function
public static double code(double e, double v) {
return Math.sin(v) * (1.0 / (Math.cos(v) + (1.0 / e)));
}
def code(e, v): return math.sin(v) * (1.0 / (math.cos(v) + (1.0 / e)))
function code(e, v) return Float64(sin(v) * Float64(1.0 / Float64(cos(v) + Float64(1.0 / e)))) end
function tmp = code(e, v) tmp = sin(v) * (1.0 / (cos(v) + (1.0 / e))); end
code[e_, v_] := N[(N[Sin[v], $MachinePrecision] * N[(1.0 / N[(N[Cos[v], $MachinePrecision] + N[(1.0 / e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sin v \cdot \frac{1}{\cos v + \frac{1}{e}}
\end{array}
Initial program 99.8%
Taylor expanded in v around inf
*-commutativeN/A
associate-/l*N/A
*-lowering-*.f64N/A
sin-lowering-sin.f64N/A
rgt-mult-inverseN/A
distribute-lft-inN/A
+-commutativeN/A
associate-/r*N/A
*-rgt-identityN/A
associate-*r/N/A
rgt-mult-inverseN/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
cos-lowering-cos.f64N/A
/-lowering-/.f6499.6%
Simplified99.6%
(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 99.8%
Taylor expanded in v around inf
*-commutativeN/A
associate-/l*N/A
*-lowering-*.f64N/A
sin-lowering-sin.f64N/A
rgt-mult-inverseN/A
distribute-lft-inN/A
+-commutativeN/A
associate-/r*N/A
*-rgt-identityN/A
associate-*r/N/A
rgt-mult-inverseN/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
cos-lowering-cos.f64N/A
/-lowering-/.f6499.6%
Simplified99.6%
Taylor expanded in v around inf
/-lowering-/.f64N/A
sin-lowering-sin.f64N/A
+-commutativeN/A
+-lowering-+.f64N/A
/-lowering-/.f64N/A
cos-lowering-cos.f6499.6%
Simplified99.6%
Final simplification99.6%
(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(Float64(e * sin(v)) / Float64(e + 1.0)) end
function tmp = code(e, v) tmp = (e * sin(v)) / (e + 1.0); end
code[e_, v_] := N[(N[(e * N[Sin[v], $MachinePrecision]), $MachinePrecision] / N[(e + 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e \cdot \sin v}{e + 1}
\end{array}
Initial program 99.8%
Taylor expanded in v around 0
+-commutativeN/A
+-lowering-+.f6499.3%
Simplified99.3%
(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 99.8%
Taylor expanded in e around 0
*-lowering-*.f64N/A
sin-lowering-sin.f6497.9%
Simplified97.9%
(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 99.8%
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-+.f6452.3%
Simplified52.3%
Final simplification52.3%
(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(Float64(e * v) / Float64(e + 1.0)) end
function tmp = code(e, v) tmp = (e * v) / (e + 1.0); end
code[e_, v_] := N[(N[(e * v), $MachinePrecision] / N[(e + 1.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e \cdot v}{e + 1}
\end{array}
Initial program 99.8%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6451.6%
Simplified51.6%
(FPCore (e v) :precision binary64 (/ v (+ 1.0 (/ 1.0 e))))
double code(double e, double v) {
return v / (1.0 + (1.0 / e));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = v / (1.0d0 + (1.0d0 / e))
end function
public static double code(double e, double v) {
return v / (1.0 + (1.0 / e));
}
def code(e, v): return v / (1.0 + (1.0 / e))
function code(e, v) return Float64(v / Float64(1.0 + Float64(1.0 / e))) end
function tmp = code(e, v) tmp = v / (1.0 + (1.0 / e)); end
code[e_, v_] := N[(v / N[(1.0 + N[(1.0 / e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{v}{1 + \frac{1}{e}}
\end{array}
Initial program 99.8%
Taylor expanded in v around inf
*-commutativeN/A
associate-/l*N/A
*-lowering-*.f64N/A
sin-lowering-sin.f64N/A
rgt-mult-inverseN/A
distribute-lft-inN/A
+-commutativeN/A
associate-/r*N/A
*-rgt-identityN/A
associate-*r/N/A
rgt-mult-inverseN/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
cos-lowering-cos.f64N/A
/-lowering-/.f6499.6%
Simplified99.6%
Taylor expanded in v around 0
/-lowering-/.f64N/A
+-lowering-+.f64N/A
/-lowering-/.f6451.5%
Simplified51.5%
(FPCore (e v) :precision binary64 (/ e (/ (+ e 1.0) v)))
double code(double e, double v) {
return e / ((e + 1.0) / v);
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / ((e + 1.0d0) / v)
end function
public static double code(double e, double v) {
return e / ((e + 1.0) / v);
}
def code(e, v): return e / ((e + 1.0) / v)
function code(e, v) return Float64(e / Float64(Float64(e + 1.0) / v)) end
function tmp = code(e, v) tmp = e / ((e + 1.0) / v); end
code[e_, v_] := N[(e / N[(N[(e + 1.0), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{\frac{e + 1}{v}}
\end{array}
Initial program 99.8%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6451.6%
Simplified51.6%
associate-/l*N/A
clear-numN/A
un-div-invN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-commutativeN/A
+-lowering-+.f6451.4%
Applied egg-rr51.4%
Final simplification51.4%
(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 99.8%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6451.6%
Simplified51.6%
Taylor expanded in e around 0
+-commutativeN/A
remove-double-negN/A
neg-mul-1N/A
distribute-lft-inN/A
sub-negN/A
distribute-lft-out--N/A
*-lowering-*.f64N/A
cancel-sign-sub-invN/A
metadata-evalN/A
*-lft-identityN/A
+-commutativeN/A
mul-1-negN/A
unsub-negN/A
--lowering--.f64N/A
*-commutativeN/A
*-lowering-*.f6450.6%
Simplified50.6%
Final simplification50.6%
(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 99.8%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6451.6%
Simplified51.6%
Taylor expanded in e around 0
*-commutativeN/A
*-lowering-*.f6450.1%
Simplified50.1%
Final simplification50.1%
(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 99.8%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6451.6%
Simplified51.6%
Taylor expanded in e around inf
Simplified4.5%
herbie shell --seed 2024139
(FPCore (e v)
:name "Trigonometry A"
:precision binary64
:pre (and (<= 0.0 e) (<= e 1.0))
(/ (* e (sin v)) (+ 1.0 (* e (cos v)))))