
(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 11 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 (fma e (cos v) 1.0)) (sin v)))
double code(double e, double v) {
return (e / fma(e, cos(v), 1.0)) * sin(v);
}
function code(e, v) return Float64(Float64(e / fma(e, cos(v), 1.0)) * sin(v)) end
code[e_, v_] := N[(N[(e / N[(e * N[Cos[v], $MachinePrecision] + 1.0), $MachinePrecision]), $MachinePrecision] * N[Sin[v], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{\mathsf{fma}\left(e, \cos v, 1\right)} \cdot \sin 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}
(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}
(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}
(FPCore (e v) :precision binary64 (/ e (+ (* v (+ 0.16666666666666666 (* e -0.3333333333333333))) (+ (/ 1.0 v) (/ e v)))))
double code(double e, double v) {
return e / ((v * (0.16666666666666666 + (e * -0.3333333333333333))) + ((1.0 / v) + (e / v)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / ((v * (0.16666666666666666d0 + (e * (-0.3333333333333333d0)))) + ((1.0d0 / v) + (e / v)))
end function
public static double code(double e, double v) {
return e / ((v * (0.16666666666666666 + (e * -0.3333333333333333))) + ((1.0 / v) + (e / v)));
}
def code(e, v): return e / ((v * (0.16666666666666666 + (e * -0.3333333333333333))) + ((1.0 / v) + (e / v)))
function code(e, v) return Float64(e / Float64(Float64(v * Float64(0.16666666666666666 + Float64(e * -0.3333333333333333))) + Float64(Float64(1.0 / v) + Float64(e / v)))) end
function tmp = code(e, v) tmp = e / ((v * (0.16666666666666666 + (e * -0.3333333333333333))) + ((1.0 / v) + (e / v))); end
code[e_, v_] := N[(e / N[(N[(v * N[(0.16666666666666666 + N[(e * -0.3333333333333333), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(1.0 / v), $MachinePrecision] + N[(e / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{v \cdot \left(0.16666666666666666 + e \cdot -0.3333333333333333\right) + \left(\frac{1}{v} + \frac{e}{v}\right)}
\end{array}
(FPCore (e v) :precision binary64 (/ e (+ (+ (/ 1.0 v) (/ e v)) (* v (* e -0.3333333333333333)))))
double code(double e, double v) {
return e / (((1.0 / v) + (e / v)) + (v * (e * -0.3333333333333333)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e / (((1.0d0 / v) + (e / v)) + (v * (e * (-0.3333333333333333d0))))
end function
public static double code(double e, double v) {
return e / (((1.0 / v) + (e / v)) + (v * (e * -0.3333333333333333)));
}
def code(e, v): return e / (((1.0 / v) + (e / v)) + (v * (e * -0.3333333333333333)))
function code(e, v) return Float64(e / Float64(Float64(Float64(1.0 / v) + Float64(e / v)) + Float64(v * Float64(e * -0.3333333333333333)))) end
function tmp = code(e, v) tmp = e / (((1.0 / v) + (e / v)) + (v * (e * -0.3333333333333333))); end
code[e_, v_] := N[(e / N[(N[(N[(1.0 / v), $MachinePrecision] + N[(e / v), $MachinePrecision]), $MachinePrecision] + N[(v * N[(e * -0.3333333333333333), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{\left(\frac{1}{v} + \frac{e}{v}\right) + v \cdot \left(e \cdot -0.3333333333333333\right)}
\end{array}
(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}
(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}
(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}
(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}
(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}
herbie shell --seed 2023348
(FPCore (e v)
:name "Trigonometry A"
:precision binary64
:pre (and (<= 0.0 e) (<= e 1.0))
(/ (* e (sin v)) (+ 1.0 (* e (cos v)))))