
(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 (/ e (/ (+ 1.0 (* e (cos v))) (sin v))))
double code(double e, double v) {
return e / ((1.0 + (e * cos(v))) / sin(v));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / ((1.0d0 + (e * cos(v))) / sin(v))
end function
public static double code(double e, double v) {
return e / ((1.0 + (e * Math.cos(v))) / Math.sin(v));
}
def code(e, v): return e / ((1.0 + (e * math.cos(v))) / math.sin(v))
function code(e, v) return Float64(e / Float64(Float64(1.0 + Float64(e * cos(v))) / sin(v))) end
function tmp = code(e, v) tmp = e / ((1.0 + (e * cos(v))) / sin(v)); end
code[e_, v_] := N[(e / N[(N[(1.0 + N[(e * N[Cos[v], $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / N[Sin[v], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{\frac{1 + e \cdot \cos v}{\sin v}}
\end{array}
Initial program 99.8%
associate-*l/N/A
associate-/r/N/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%
(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
rgt-mult-inverseN/A
distribute-lft-inN/A
+-commutativeN/A
times-fracN/A
*-rgt-identityN/A
associate-*r/N/A
rgt-mult-inverseN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
sin-lowering-sin.f64N/A
+-lowering-+.f64N/A
cos-lowering-cos.f64N/A
/-lowering-/.f6499.6%
Simplified99.6%
Final simplification99.6%
(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.f6498.5%
Simplified98.5%
(FPCore (e v) :precision binary64 (/ v (- (+ 1.0 (/ 1.0 e)) (* (* v v) (+ (/ -0.16666666666666666 e) 0.3333333333333333)))))
double code(double e, double v) {
return v / ((1.0 + (1.0 / e)) - ((v * v) * ((-0.16666666666666666 / e) + 0.3333333333333333)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = v / ((1.0d0 + (1.0d0 / e)) - ((v * v) * (((-0.16666666666666666d0) / e) + 0.3333333333333333d0)))
end function
public static double code(double e, double v) {
return v / ((1.0 + (1.0 / e)) - ((v * v) * ((-0.16666666666666666 / e) + 0.3333333333333333)));
}
def code(e, v): return v / ((1.0 + (1.0 / e)) - ((v * v) * ((-0.16666666666666666 / e) + 0.3333333333333333)))
function code(e, v) return Float64(v / Float64(Float64(1.0 + Float64(1.0 / e)) - Float64(Float64(v * v) * Float64(Float64(-0.16666666666666666 / e) + 0.3333333333333333)))) end
function tmp = code(e, v) tmp = v / ((1.0 + (1.0 / e)) - ((v * v) * ((-0.16666666666666666 / e) + 0.3333333333333333))); end
code[e_, v_] := N[(v / N[(N[(1.0 + N[(1.0 / e), $MachinePrecision]), $MachinePrecision] - N[(N[(v * v), $MachinePrecision] * N[(N[(-0.16666666666666666 / e), $MachinePrecision] + 0.3333333333333333), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{v}{\left(1 + \frac{1}{e}\right) - \left(v \cdot v\right) \cdot \left(\frac{-0.16666666666666666}{e} + 0.3333333333333333\right)}
\end{array}
Initial program 99.8%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
cos-lowering-cos.f64N/A
*-lowering-*.f64N/A
sin-lowering-sin.f6499.2%
Applied egg-rr99.2%
Taylor expanded in v around 0
/-lowering-/.f64N/A
Simplified51.2%
Applied egg-rr51.7%
(FPCore (e v) :precision binary64 (/ 1.0 (/ (+ 1.0 (- (/ 1.0 e) (* (* v v) (+ -0.16666666666666666 0.5)))) v)))
double code(double e, double v) {
return 1.0 / ((1.0 + ((1.0 / e) - ((v * v) * (-0.16666666666666666 + 0.5)))) / v);
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = 1.0d0 / ((1.0d0 + ((1.0d0 / e) - ((v * v) * ((-0.16666666666666666d0) + 0.5d0)))) / v)
end function
public static double code(double e, double v) {
return 1.0 / ((1.0 + ((1.0 / e) - ((v * v) * (-0.16666666666666666 + 0.5)))) / v);
}
def code(e, v): return 1.0 / ((1.0 + ((1.0 / e) - ((v * v) * (-0.16666666666666666 + 0.5)))) / v)
function code(e, v) return Float64(1.0 / Float64(Float64(1.0 + Float64(Float64(1.0 / e) - Float64(Float64(v * v) * Float64(-0.16666666666666666 + 0.5)))) / v)) end
function tmp = code(e, v) tmp = 1.0 / ((1.0 + ((1.0 / e) - ((v * v) * (-0.16666666666666666 + 0.5)))) / v); end
code[e_, v_] := N[(1.0 / N[(N[(1.0 + N[(N[(1.0 / e), $MachinePrecision] - N[(N[(v * v), $MachinePrecision] * N[(-0.16666666666666666 + 0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] / v), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\frac{1 + \left(\frac{1}{e} - \left(v \cdot v\right) \cdot \left(-0.16666666666666666 + 0.5\right)\right)}{v}}
\end{array}
Initial program 99.8%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
cos-lowering-cos.f64N/A
*-lowering-*.f64N/A
sin-lowering-sin.f6499.2%
Applied egg-rr99.2%
Taylor expanded in v around 0
/-lowering-/.f64N/A
Simplified51.2%
Taylor expanded in e around inf
Simplified51.0%
Final simplification51.0%
(FPCore (e v) :precision binary64 (/ (* e v) (+ 1.0 (* (* v v) 0.16666666666666666))))
double code(double e, double v) {
return (e * v) / (1.0 + ((v * v) * 0.16666666666666666));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = (e * v) / (1.0d0 + ((v * v) * 0.16666666666666666d0))
end function
public static double code(double e, double v) {
return (e * v) / (1.0 + ((v * v) * 0.16666666666666666));
}
def code(e, v): return (e * v) / (1.0 + ((v * v) * 0.16666666666666666))
function code(e, v) return Float64(Float64(e * v) / Float64(1.0 + Float64(Float64(v * v) * 0.16666666666666666))) end
function tmp = code(e, v) tmp = (e * v) / (1.0 + ((v * v) * 0.16666666666666666)); end
code[e_, v_] := N[(N[(e * v), $MachinePrecision] / N[(1.0 + N[(N[(v * v), $MachinePrecision] * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e \cdot v}{1 + \left(v \cdot v\right) \cdot 0.16666666666666666}
\end{array}
Initial program 99.8%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
cos-lowering-cos.f64N/A
*-lowering-*.f64N/A
sin-lowering-sin.f6499.2%
Applied egg-rr99.2%
Taylor expanded in v around 0
/-lowering-/.f64N/A
Simplified51.2%
Taylor expanded in e around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
cancel-sign-sub-invN/A
metadata-evalN/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f6450.9%
Simplified50.9%
(FPCore (e v) :precision binary64 (* e (/ v (+ 1.0 (* v (* v 0.16666666666666666))))))
double code(double e, double v) {
return e * (v / (1.0 + (v * (v * 0.16666666666666666))));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e * (v / (1.0d0 + (v * (v * 0.16666666666666666d0))))
end function
public static double code(double e, double v) {
return e * (v / (1.0 + (v * (v * 0.16666666666666666))));
}
def code(e, v): return e * (v / (1.0 + (v * (v * 0.16666666666666666))))
function code(e, v) return Float64(e * Float64(v / Float64(1.0 + Float64(v * Float64(v * 0.16666666666666666))))) end
function tmp = code(e, v) tmp = e * (v / (1.0 + (v * (v * 0.16666666666666666)))); end
code[e_, v_] := N[(e * N[(v / N[(1.0 + N[(v * N[(v * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
e \cdot \frac{v}{1 + v \cdot \left(v \cdot 0.16666666666666666\right)}
\end{array}
Initial program 99.8%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
cos-lowering-cos.f64N/A
*-lowering-*.f64N/A
sin-lowering-sin.f6499.2%
Applied egg-rr99.2%
Taylor expanded in v around 0
/-lowering-/.f64N/A
Simplified51.2%
Taylor expanded in e around 0
/-lowering-/.f64N/A
cancel-sign-sub-invN/A
metadata-evalN/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
*-lowering-*.f6450.4%
Simplified50.4%
associate-/r/N/A
*-commutativeN/A
associate-*r*N/A
*-lowering-*.f64N/A
associate-*l/N/A
*-lft-identityN/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f6450.9%
Applied egg-rr50.9%
Final simplification50.9%
(FPCore (e v) :precision binary64 (* v (/ e (+ 1.0 (* v (* v 0.16666666666666666))))))
double code(double e, double v) {
return v * (e / (1.0 + (v * (v * 0.16666666666666666))));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = v * (e / (1.0d0 + (v * (v * 0.16666666666666666d0))))
end function
public static double code(double e, double v) {
return v * (e / (1.0 + (v * (v * 0.16666666666666666))));
}
def code(e, v): return v * (e / (1.0 + (v * (v * 0.16666666666666666))))
function code(e, v) return Float64(v * Float64(e / Float64(1.0 + Float64(v * Float64(v * 0.16666666666666666))))) end
function tmp = code(e, v) tmp = v * (e / (1.0 + (v * (v * 0.16666666666666666)))); end
code[e_, v_] := N[(v * N[(e / N[(1.0 + N[(v * N[(v * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
v \cdot \frac{e}{1 + v \cdot \left(v \cdot 0.16666666666666666\right)}
\end{array}
Initial program 99.8%
clear-numN/A
/-lowering-/.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
*-lowering-*.f64N/A
cos-lowering-cos.f64N/A
*-lowering-*.f64N/A
sin-lowering-sin.f6499.2%
Applied egg-rr99.2%
Taylor expanded in v around 0
/-lowering-/.f64N/A
Simplified51.2%
Taylor expanded in e around 0
/-lowering-/.f64N/A
cancel-sign-sub-invN/A
metadata-evalN/A
+-lowering-+.f64N/A
*-commutativeN/A
*-lowering-*.f64N/A
unpow2N/A
*-lowering-*.f64N/A
*-lowering-*.f6450.4%
Simplified50.4%
associate-/r*N/A
associate-/r/N/A
clear-numN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f64N/A
associate-*l*N/A
*-lowering-*.f64N/A
*-lowering-*.f6450.9%
Applied egg-rr50.9%
Final simplification50.9%
(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 99.8%
Taylor expanded in v around 0
/-lowering-/.f64N/A
*-lowering-*.f64N/A
+-commutativeN/A
+-lowering-+.f6450.7%
Simplified50.7%
associate-/l*N/A
*-commutativeN/A
*-lowering-*.f64N/A
/-lowering-/.f64N/A
+-lowering-+.f6450.7%
Applied egg-rr50.7%
Final simplification50.7%
(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-+.f6450.7%
Simplified50.7%
Taylor expanded in e around 0
*-lowering-*.f6449.8%
Simplified49.8%
(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-+.f6450.7%
Simplified50.7%
Taylor expanded in e around inf
Simplified4.2%
herbie shell --seed 2024164
(FPCore (e v)
:name "Trigonometry A"
:precision binary64
:pre (and (<= 0.0 e) (<= e 1.0))
(/ (* e (sin v)) (+ 1.0 (* e (cos v)))))