
(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 (* (cos v) e)))))
double code(double e, double v) {
return e * (sin(v) / (1.0 + (cos(v) * e)));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = e * (sin(v) / (1.0d0 + (cos(v) * e)))
end function
public static double code(double e, double v) {
return e * (Math.sin(v) / (1.0 + (Math.cos(v) * e)));
}
def code(e, v): return e * (math.sin(v) / (1.0 + (math.cos(v) * e)))
function code(e, v) return Float64(e * Float64(sin(v) / Float64(1.0 + Float64(cos(v) * e)))) end
function tmp = code(e, v) tmp = e * (sin(v) / (1.0 + (cos(v) * e))); end
code[e_, v_] := N[(e * N[(N[Sin[v], $MachinePrecision] / N[(1.0 + N[(N[Cos[v], $MachinePrecision] * e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
e \cdot \frac{\sin v}{1 + \cos v \cdot e}
\end{array}
Initial program 99.8%
associate-/l*99.7%
Simplified99.7%
clear-num99.1%
associate-/r/99.6%
clear-num99.8%
+-commutative99.8%
fma-udef99.8%
Applied egg-rr99.8%
Taylor expanded in v around inf 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%
associate-*l/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
Taylor expanded in v around inf 99.8%
associate-/l*99.7%
+-commutative99.7%
*-commutative99.7%
fma-udef99.6%
Simplified99.6%
Taylor expanded in e around inf 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(e / Float64(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[(e / N[(1.0 + e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sin v \cdot \frac{e}{1 + e}
\end{array}
Initial program 99.8%
associate-*l/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
Taylor expanded in v around 0 98.9%
+-commutative98.9%
Simplified98.9%
Final simplification98.9%
(FPCore (e v) :precision binary64 (* (sin v) e))
double code(double e, double v) {
return sin(v) * e;
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = sin(v) * e
end function
public static double code(double e, double v) {
return Math.sin(v) * e;
}
def code(e, v): return math.sin(v) * e
function code(e, v) return Float64(sin(v) * e) end
function tmp = code(e, v) tmp = sin(v) * e; end
code[e_, v_] := N[(N[Sin[v], $MachinePrecision] * e), $MachinePrecision]
\begin{array}{l}
\\
\sin v \cdot e
\end{array}
Initial program 99.8%
associate-*l/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
Taylor expanded in e around 0 98.1%
Final simplification98.1%
(FPCore (e v) :precision binary64 (/ e (+ (* v (+ (* e -0.5) (* -0.16666666666666666 (- -1.0 e)))) (+ (/ e v) (/ 1.0 v)))))
double code(double e, double v) {
return e / ((v * ((e * -0.5) + (-0.16666666666666666 * (-1.0 - e)))) + ((e / v) + (1.0 / 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) - e)))) + ((e / v) + (1.0d0 / v)))
end function
public static double code(double e, double v) {
return e / ((v * ((e * -0.5) + (-0.16666666666666666 * (-1.0 - e)))) + ((e / v) + (1.0 / v)));
}
def code(e, v): return e / ((v * ((e * -0.5) + (-0.16666666666666666 * (-1.0 - e)))) + ((e / v) + (1.0 / v)))
function code(e, v) return Float64(e / Float64(Float64(v * Float64(Float64(e * -0.5) + Float64(-0.16666666666666666 * Float64(-1.0 - e)))) + Float64(Float64(e / v) + Float64(1.0 / v)))) end
function tmp = code(e, v) tmp = e / ((v * ((e * -0.5) + (-0.16666666666666666 * (-1.0 - e)))) + ((e / v) + (1.0 / v))); end
code[e_, v_] := N[(e / N[(N[(v * N[(N[(e * -0.5), $MachinePrecision] + N[(-0.16666666666666666 * N[(-1.0 - e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision] + N[(N[(e / v), $MachinePrecision] + N[(1.0 / v), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{e}{v \cdot \left(e \cdot -0.5 + -0.16666666666666666 \cdot \left(-1 - e\right)\right) + \left(\frac{e}{v} + \frac{1}{v}\right)}
\end{array}
Initial program 99.8%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in v around 0 50.1%
Final simplification50.1%
(FPCore (e v) :precision binary64 (/ 1.0 (+ (/ 1.0 v) (- (/ 1.0 (* v e)) (* v (+ 0.5 (/ -0.16666666666666666 e)))))))
double code(double e, double v) {
return 1.0 / ((1.0 / v) + ((1.0 / (v * e)) - (v * (0.5 + (-0.16666666666666666 / e)))));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = 1.0d0 / ((1.0d0 / v) + ((1.0d0 / (v * e)) - (v * (0.5d0 + ((-0.16666666666666666d0) / e)))))
end function
public static double code(double e, double v) {
return 1.0 / ((1.0 / v) + ((1.0 / (v * e)) - (v * (0.5 + (-0.16666666666666666 / e)))));
}
def code(e, v): return 1.0 / ((1.0 / v) + ((1.0 / (v * e)) - (v * (0.5 + (-0.16666666666666666 / e)))))
function code(e, v) return Float64(1.0 / Float64(Float64(1.0 / v) + Float64(Float64(1.0 / Float64(v * e)) - Float64(v * Float64(0.5 + Float64(-0.16666666666666666 / e)))))) end
function tmp = code(e, v) tmp = 1.0 / ((1.0 / v) + ((1.0 / (v * e)) - (v * (0.5 + (-0.16666666666666666 / e))))); end
code[e_, v_] := N[(1.0 / N[(N[(1.0 / v), $MachinePrecision] + N[(N[(1.0 / N[(v * e), $MachinePrecision]), $MachinePrecision] - N[(v * N[(0.5 + N[(-0.16666666666666666 / e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\frac{1}{v} + \left(\frac{1}{v \cdot e} - v \cdot \left(0.5 + \frac{-0.16666666666666666}{e}\right)\right)}
\end{array}
Initial program 99.8%
associate-*l/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
fma-udef99.8%
+-commutative99.8%
associate-/r/99.7%
clear-num99.1%
+-commutative99.1%
fma-udef99.1%
Applied egg-rr99.1%
Taylor expanded in v around 0 49.8%
mul-1-neg49.8%
*-commutative49.8%
+-commutative49.8%
Simplified49.8%
Taylor expanded in e around 0 49.8%
Final simplification49.8%
(FPCore (e v) :precision binary64 (/ 1.0 (+ (/ 1.0 v) (- (/ 1.0 (* v e)) (* -0.16666666666666666 (/ v e))))))
double code(double e, double v) {
return 1.0 / ((1.0 / v) + ((1.0 / (v * e)) - (-0.16666666666666666 * (v / e))));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = 1.0d0 / ((1.0d0 / v) + ((1.0d0 / (v * e)) - ((-0.16666666666666666d0) * (v / e))))
end function
public static double code(double e, double v) {
return 1.0 / ((1.0 / v) + ((1.0 / (v * e)) - (-0.16666666666666666 * (v / e))));
}
def code(e, v): return 1.0 / ((1.0 / v) + ((1.0 / (v * e)) - (-0.16666666666666666 * (v / e))))
function code(e, v) return Float64(1.0 / Float64(Float64(1.0 / v) + Float64(Float64(1.0 / Float64(v * e)) - Float64(-0.16666666666666666 * Float64(v / e))))) end
function tmp = code(e, v) tmp = 1.0 / ((1.0 / v) + ((1.0 / (v * e)) - (-0.16666666666666666 * (v / e)))); end
code[e_, v_] := N[(1.0 / N[(N[(1.0 / v), $MachinePrecision] + N[(N[(1.0 / N[(v * e), $MachinePrecision]), $MachinePrecision] - N[(-0.16666666666666666 * N[(v / e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{1}{\frac{1}{v} + \left(\frac{1}{v \cdot e} - -0.16666666666666666 \cdot \frac{v}{e}\right)}
\end{array}
Initial program 99.8%
associate-*l/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
fma-udef99.8%
+-commutative99.8%
associate-/r/99.7%
clear-num99.1%
+-commutative99.1%
fma-udef99.1%
Applied egg-rr99.1%
Taylor expanded in v around 0 49.8%
mul-1-neg49.8%
*-commutative49.8%
+-commutative49.8%
Simplified49.8%
Taylor expanded in e around 0 49.8%
Final simplification49.8%
(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-*l/99.8%
+-commutative99.8%
fma-def99.8%
Simplified99.8%
fma-udef99.8%
+-commutative99.8%
associate-/r/99.7%
clear-num99.1%
+-commutative99.1%
fma-udef99.1%
Applied egg-rr99.1%
Taylor expanded in v around 0 49.8%
mul-1-neg49.8%
*-commutative49.8%
+-commutative49.8%
Simplified49.8%
Taylor expanded in e around 0 49.3%
Final simplification49.3%
(FPCore (e v) :precision binary64 (* v (- e (* e e))))
double code(double e, double v) {
return v * (e - (e * e));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = v * (e - (e * e))
end function
public static double code(double e, double v) {
return v * (e - (e * e));
}
def code(e, v): return v * (e - (e * e))
function code(e, v) return Float64(v * Float64(e - Float64(e * e))) end
function tmp = code(e, v) tmp = v * (e - (e * e)); end
code[e_, v_] := N[(v * N[(e - N[(e * e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
v \cdot \left(e - e \cdot e\right)
\end{array}
Initial program 99.8%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in v around 0 48.9%
+-commutative48.9%
Simplified48.9%
Taylor expanded in e around 0 48.4%
mul-1-neg48.4%
unsub-neg48.4%
unpow248.4%
Simplified48.4%
Taylor expanded in v around 0 48.4%
unpow248.4%
Simplified48.4%
Final simplification48.4%
(FPCore (e v) :precision binary64 (* v (/ e (+ 1.0 e))))
double code(double e, double v) {
return v * (e / (1.0 + e));
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = v * (e / (1.0d0 + e))
end function
public static double code(double e, double v) {
return v * (e / (1.0 + e));
}
def code(e, v): return v * (e / (1.0 + e))
function code(e, v) return Float64(v * Float64(e / Float64(1.0 + e))) end
function tmp = code(e, v) tmp = v * (e / (1.0 + e)); end
code[e_, v_] := N[(v * N[(e / N[(1.0 + e), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
v \cdot \frac{e}{1 + e}
\end{array}
Initial program 99.8%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in v around 0 48.9%
+-commutative48.9%
Simplified48.9%
associate-/r/49.0%
Applied egg-rr49.0%
Final simplification49.0%
(FPCore (e v) :precision binary64 (* v e))
double code(double e, double v) {
return v * e;
}
real(8) function code(e, v)
real(8), intent (in) :: e
real(8), intent (in) :: v
code = v * e
end function
public static double code(double e, double v) {
return v * e;
}
def code(e, v): return v * e
function code(e, v) return Float64(v * e) end
function tmp = code(e, v) tmp = v * e; end
code[e_, v_] := N[(v * e), $MachinePrecision]
\begin{array}{l}
\\
v \cdot e
\end{array}
Initial program 99.8%
associate-/l*99.7%
Simplified99.7%
Taylor expanded in v around 0 48.9%
+-commutative48.9%
Simplified48.9%
Taylor expanded in e around 0 48.1%
Final simplification48.1%
(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-/l*99.7%
Simplified99.7%
Taylor expanded in v around 0 48.9%
+-commutative48.9%
Simplified48.9%
Taylor expanded in e around inf 4.4%
Final simplification4.4%
herbie shell --seed 2023182
(FPCore (e v)
:name "Trigonometry A"
:precision binary64
:pre (and (<= 0.0 e) (<= e 1.0))
(/ (* e (sin v)) (+ 1.0 (* e (cos v)))))