
(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 15 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 (let* ((t_0 (* e (cos v)))) (* (/ (* e (sin v)) (+ (pow t_0 2.0) -1.0)) (+ t_0 -1.0))))
double code(double e, double v) {
double t_0 = e * cos(v);
return ((e * sin(v)) / (pow(t_0, 2.0) + -1.0)) * (t_0 + -1.0);
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
real(8) :: t_0
t_0 = e * cos(v)
code = ((e * sin(v)) / ((t_0 ** 2.0d0) + (-1.0d0))) * (t_0 + (-1.0d0))
end function
public static double code(double e, double v) {
double t_0 = e * Math.cos(v);
return ((e * Math.sin(v)) / (Math.pow(t_0, 2.0) + -1.0)) * (t_0 + -1.0);
}
def code(e, v): t_0 = e * math.cos(v) return ((e * math.sin(v)) / (math.pow(t_0, 2.0) + -1.0)) * (t_0 + -1.0)
function code(e, v) t_0 = Float64(e * cos(v)) return Float64(Float64(Float64(e * sin(v)) / Float64((t_0 ^ 2.0) + -1.0)) * Float64(t_0 + -1.0)) end
function tmp = code(e, v) t_0 = e * cos(v); tmp = ((e * sin(v)) / ((t_0 ^ 2.0) + -1.0)) * (t_0 + -1.0); end
code[e_, v_] := Block[{t$95$0 = N[(e * N[Cos[v], $MachinePrecision]), $MachinePrecision]}, N[(N[(N[(e * N[Sin[v], $MachinePrecision]), $MachinePrecision] / N[(N[Power[t$95$0, 2.0], $MachinePrecision] + -1.0), $MachinePrecision]), $MachinePrecision] * N[(t$95$0 + -1.0), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := e \cdot \cos v\\
\frac{e \cdot \sin v}{{t_0}^{2} + -1} \cdot \left(t_0 + -1\right)
\end{array}
\end{array}
Initial program 99.8%
*-commutative99.8%
associate-/l*99.6%
+-commutative99.6%
fma-def99.6%
Simplified99.6%
associate-/l*99.8%
*-commutative99.8%
fma-udef99.8%
flip-+99.8%
associate-/r/99.8%
pow299.8%
metadata-eval99.8%
Applied egg-rr99.8%
Final simplification99.8%
(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 99.8%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
associate-*r/99.8%
associate-/l*99.6%
Applied egg-rr99.6%
Taylor expanded in v around inf 99.6%
Final simplification99.6%
(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 99.8%
Final simplification99.8%
(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%
*-commutative99.8%
associate-/l*99.6%
+-commutative99.6%
fma-def99.6%
Simplified99.6%
Taylor expanded in e around 0 99.6%
Final simplification99.6%
(FPCore (e v) :precision binary64 (/ (sin v) (/ (+ e 1.0) e)))
double code(double e, double v) {
return sin(v) / ((e + 1.0) / e);
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = sin(v) / ((e + 1.0d0) / e)
end function
public static double code(double e, double v) {
return Math.sin(v) / ((e + 1.0) / e);
}
def code(e, v): return math.sin(v) / ((e + 1.0) / e)
function code(e, v) return Float64(sin(v) / Float64(Float64(e + 1.0) / e)) end
function tmp = code(e, v) tmp = sin(v) / ((e + 1.0) / e); end
code[e_, v_] := N[(N[Sin[v], $MachinePrecision] / N[(N[(e + 1.0), $MachinePrecision] / e), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{\sin v}{\frac{e + 1}{e}}
\end{array}
Initial program 99.8%
*-commutative99.8%
associate-/l*99.6%
+-commutative99.6%
fma-def99.6%
Simplified99.6%
Taylor expanded in v around 0 98.8%
+-commutative98.8%
Simplified98.8%
Final simplification98.8%
(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 99.0%
Final simplification99.0%
(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%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
Taylor expanded in e around 0 97.8%
Final simplification97.8%
(FPCore (e v) :precision binary64 (/ e (+ (* v (- (* e -0.5) -0.16666666666666666)) (+ (/ 1.0 v) (/ e v)))))
double code(double e, double v) {
return e / ((v * ((e * -0.5) - -0.16666666666666666)) + ((1.0 / v) + (e / v)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / ((v * ((e * (-0.5d0)) - (-0.16666666666666666d0))) + ((1.0d0 / v) + (e / v)))
end function
public static double code(double e, double v) {
return e / ((v * ((e * -0.5) - -0.16666666666666666)) + ((1.0 / v) + (e / v)));
}
def code(e, v): return e / ((v * ((e * -0.5) - -0.16666666666666666)) + ((1.0 / v) + (e / v)))
function code(e, v) return Float64(e / Float64(Float64(v * Float64(Float64(e * -0.5) - -0.16666666666666666)) + Float64(Float64(1.0 / v) + Float64(e / v)))) end
function tmp = code(e, v) tmp = e / ((v * ((e * -0.5) - -0.16666666666666666)) + ((1.0 / v) + (e / v))); end
code[e_, v_] := N[(e / N[(N[(v * N[(N[(e * -0.5), $MachinePrecision] - -0.16666666666666666), $MachinePrecision]), $MachinePrecision] + N[(N[(1.0 / v), $MachinePrecision] + N[(e / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{v \cdot \left(e \cdot -0.5 - -0.16666666666666666\right) + \left(\frac{1}{v} + \frac{e}{v}\right)}
\end{array}
Initial program 99.8%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
associate-*r/99.8%
associate-/l*99.6%
Applied egg-rr99.6%
Taylor expanded in v around 0 51.6%
Taylor expanded in e around 0 51.6%
Final simplification51.6%
(FPCore (e v) :precision binary64 (/ e (+ (+ (/ 1.0 v) (/ e v)) (* -0.3333333333333333 (* e v)))))
double code(double e, double v) {
return e / (((1.0 / v) + (e / v)) + (-0.3333333333333333 * (e * v)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / (((1.0d0 / v) + (e / v)) + ((-0.3333333333333333d0) * (e * v)))
end function
public static double code(double e, double v) {
return e / (((1.0 / v) + (e / v)) + (-0.3333333333333333 * (e * v)));
}
def code(e, v): return e / (((1.0 / v) + (e / v)) + (-0.3333333333333333 * (e * v)))
function code(e, v) return Float64(e / Float64(Float64(Float64(1.0 / v) + Float64(e / v)) + Float64(-0.3333333333333333 * Float64(e * v)))) end
function tmp = code(e, v) tmp = e / (((1.0 / v) + (e / v)) + (-0.3333333333333333 * (e * v))); end
code[e_, v_] := N[(e / N[(N[(N[(1.0 / v), $MachinePrecision] + N[(e / v), $MachinePrecision]), $MachinePrecision] + N[(-0.3333333333333333 * N[(e * v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{\left(\frac{1}{v} + \frac{e}{v}\right) + -0.3333333333333333 \cdot \left(e \cdot v\right)}
\end{array}
Initial program 99.8%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
associate-*r/99.8%
associate-/l*99.6%
Applied egg-rr99.6%
Taylor expanded in v around 0 51.6%
Taylor expanded in e around inf 50.8%
*-commutative50.8%
Simplified50.8%
Final simplification50.8%
(FPCore (e v) :precision binary64 (/ e (+ (/ 1.0 v) (* v 0.16666666666666666))))
double code(double e, double v) {
return e / ((1.0 / v) + (v * 0.16666666666666666));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / ((1.0d0 / v) + (v * 0.16666666666666666d0))
end function
public static double code(double e, double v) {
return e / ((1.0 / v) + (v * 0.16666666666666666));
}
def code(e, v): return e / ((1.0 / v) + (v * 0.16666666666666666))
function code(e, v) return Float64(e / Float64(Float64(1.0 / v) + Float64(v * 0.16666666666666666))) end
function tmp = code(e, v) tmp = e / ((1.0 / v) + (v * 0.16666666666666666)); end
code[e_, v_] := N[(e / N[(N[(1.0 / v), $MachinePrecision] + N[(v * 0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{\frac{1}{v} + v \cdot 0.16666666666666666}
\end{array}
Initial program 99.8%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
associate-*r/99.8%
associate-/l*99.6%
Applied egg-rr99.6%
Taylor expanded in v around 0 51.6%
Taylor expanded in e around 0 50.4%
Final simplification50.4%
(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%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
associate-*r/99.8%
associate-/l*99.6%
Applied egg-rr99.6%
Taylor expanded in v around 0 50.2%
+-commutative50.2%
Simplified50.2%
Final simplification50.2%
(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%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
associate-*r/99.8%
associate-/l*99.6%
Applied egg-rr99.6%
Taylor expanded in v around inf 99.6%
Taylor expanded in v around 0 50.3%
*-commutative50.3%
associate-/l*50.2%
*-rgt-identity50.2%
associate-*r/50.2%
+-commutative50.2%
distribute-lft1-in50.2%
rgt-mult-inverse50.2%
Simplified50.2%
Final simplification50.2%
(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%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
Taylor expanded in v around 0 50.3%
+-commutative50.3%
Simplified50.3%
Final simplification50.3%
(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%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
Taylor expanded in v around 0 50.3%
+-commutative50.3%
Simplified50.3%
Taylor expanded in e around 0 49.1%
Final simplification49.1%
(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%
associate-*r/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
Taylor expanded in v around 0 50.3%
+-commutative50.3%
Simplified50.3%
Taylor expanded in e around inf 4.4%
Final simplification4.4%
herbie shell --seed 2023301
(FPCore (e v)
:name "Trigonometry A"
:precision binary64
:pre (and (<= 0.0 e) (<= e 1.0))
(/ (* e (sin v)) (+ 1.0 (* e (cos v)))))