
(FPCore (r a b) :precision binary64 (/ (* r (sin b)) (cos (+ a b))))
double code(double r, double a, double b) {
return (r * sin(b)) / cos((a + b));
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = (r * sin(b)) / cos((a + b))
end function
public static double code(double r, double a, double b) {
return (r * Math.sin(b)) / Math.cos((a + b));
}
def code(r, a, b): return (r * math.sin(b)) / math.cos((a + b))
function code(r, a, b) return Float64(Float64(r * sin(b)) / cos(Float64(a + b))) end
function tmp = code(r, a, b) tmp = (r * sin(b)) / cos((a + b)); end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{r \cdot \sin b}{\cos \left(a + b\right)}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 11 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (r a b) :precision binary64 (/ (* r (sin b)) (cos (+ a b))))
double code(double r, double a, double b) {
return (r * sin(b)) / cos((a + b));
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = (r * sin(b)) / cos((a + b))
end function
public static double code(double r, double a, double b) {
return (r * Math.sin(b)) / Math.cos((a + b));
}
def code(r, a, b): return (r * math.sin(b)) / math.cos((a + b))
function code(r, a, b) return Float64(Float64(r * sin(b)) / cos(Float64(a + b))) end
function tmp = code(r, a, b) tmp = (r * sin(b)) / cos((a + b)); end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{r \cdot \sin b}{\cos \left(a + b\right)}
\end{array}
(FPCore (r a b) :precision binary64 (* (sin b) (/ r (- (* (cos b) (cos a)) (* (sin b) (sin a))))))
double code(double r, double a, double b) {
return sin(b) * (r / ((cos(b) * cos(a)) - (sin(b) * sin(a))));
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = sin(b) * (r / ((cos(b) * cos(a)) - (sin(b) * sin(a))))
end function
public static double code(double r, double a, double b) {
return Math.sin(b) * (r / ((Math.cos(b) * Math.cos(a)) - (Math.sin(b) * Math.sin(a))));
}
def code(r, a, b): return math.sin(b) * (r / ((math.cos(b) * math.cos(a)) - (math.sin(b) * math.sin(a))))
function code(r, a, b) return Float64(sin(b) * Float64(r / Float64(Float64(cos(b) * cos(a)) - Float64(sin(b) * sin(a))))) end
function tmp = code(r, a, b) tmp = sin(b) * (r / ((cos(b) * cos(a)) - (sin(b) * sin(a)))); end
code[r_, a_, b_] := N[(N[Sin[b], $MachinePrecision] * N[(r / N[(N[(N[Cos[b], $MachinePrecision] * N[Cos[a], $MachinePrecision]), $MachinePrecision] - N[(N[Sin[b], $MachinePrecision] * N[Sin[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sin b \cdot \frac{r}{\cos b \cdot \cos a - \sin b \cdot \sin a}
\end{array}
(FPCore (r a b) :precision binary64 (* (sin b) (/ r (* (cos b) (cos a)))))
double code(double r, double a, double b) {
return sin(b) * (r / (cos(b) * cos(a)));
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = sin(b) * (r / (cos(b) * cos(a)))
end function
public static double code(double r, double a, double b) {
return Math.sin(b) * (r / (Math.cos(b) * Math.cos(a)));
}
def code(r, a, b): return math.sin(b) * (r / (math.cos(b) * math.cos(a)))
function code(r, a, b) return Float64(sin(b) * Float64(r / Float64(cos(b) * cos(a)))) end
function tmp = code(r, a, b) tmp = sin(b) * (r / (cos(b) * cos(a))); end
code[r_, a_, b_] := N[(N[Sin[b], $MachinePrecision] * N[(r / N[(N[Cos[b], $MachinePrecision] * N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sin b \cdot \frac{r}{\cos b \cdot \cos a}
\end{array}
(FPCore (r a b) :precision binary64 (* r (/ (sin b) (* (cos b) (cos a)))))
double code(double r, double a, double b) {
return r * (sin(b) / (cos(b) * cos(a)));
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = r * (sin(b) / (cos(b) * cos(a)))
end function
public static double code(double r, double a, double b) {
return r * (Math.sin(b) / (Math.cos(b) * Math.cos(a)));
}
def code(r, a, b): return r * (math.sin(b) / (math.cos(b) * math.cos(a)))
function code(r, a, b) return Float64(r * Float64(sin(b) / Float64(cos(b) * cos(a)))) end
function tmp = code(r, a, b) tmp = r * (sin(b) / (cos(b) * cos(a))); end
code[r_, a_, b_] := N[(r * N[(N[Sin[b], $MachinePrecision] / N[(N[Cos[b], $MachinePrecision] * N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \frac{\sin b}{\cos b \cdot \cos a}
\end{array}
(FPCore (r a b) :precision binary64 (if (or (<= a -0.0005) (not (<= a 8e-6))) (* r (/ (sin b) (cos a))) (* r (tan b))))
double code(double r, double a, double b) {
double tmp;
if ((a <= -0.0005) || !(a <= 8e-6)) {
tmp = r * (sin(b) / cos(a));
} else {
tmp = r * tan(b);
}
return tmp;
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8) :: tmp
if ((a <= (-0.0005d0)) .or. (.not. (a <= 8d-6))) then
tmp = r * (sin(b) / cos(a))
else
tmp = r * tan(b)
end if
code = tmp
end function
public static double code(double r, double a, double b) {
double tmp;
if ((a <= -0.0005) || !(a <= 8e-6)) {
tmp = r * (Math.sin(b) / Math.cos(a));
} else {
tmp = r * Math.tan(b);
}
return tmp;
}
def code(r, a, b): tmp = 0 if (a <= -0.0005) or not (a <= 8e-6): tmp = r * (math.sin(b) / math.cos(a)) else: tmp = r * math.tan(b) return tmp
function code(r, a, b) tmp = 0.0 if ((a <= -0.0005) || !(a <= 8e-6)) tmp = Float64(r * Float64(sin(b) / cos(a))); else tmp = Float64(r * tan(b)); end return tmp end
function tmp_2 = code(r, a, b) tmp = 0.0; if ((a <= -0.0005) || ~((a <= 8e-6))) tmp = r * (sin(b) / cos(a)); else tmp = r * tan(b); end tmp_2 = tmp; end
code[r_, a_, b_] := If[Or[LessEqual[a, -0.0005], N[Not[LessEqual[a, 8e-6]], $MachinePrecision]], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(r * N[Tan[b], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq -0.0005 \lor \neg \left(a \leq 8 \cdot 10^{-6}\right):\\
\;\;\;\;r \cdot \frac{\sin b}{\cos a}\\
\mathbf{else}:\\
\;\;\;\;r \cdot \tan b\\
\end{array}
\end{array}
(FPCore (r a b) :precision binary64 (if (<= a -1.55e-5) (/ r (/ (cos a) (sin b))) (if (<= a 5.6e-5) (* r (tan b)) (* r (/ (sin b) (cos a))))))
double code(double r, double a, double b) {
double tmp;
if (a <= -1.55e-5) {
tmp = r / (cos(a) / sin(b));
} else if (a <= 5.6e-5) {
tmp = r * tan(b);
} else {
tmp = r * (sin(b) / cos(a));
}
return tmp;
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8) :: tmp
if (a <= (-1.55d-5)) then
tmp = r / (cos(a) / sin(b))
else if (a <= 5.6d-5) then
tmp = r * tan(b)
else
tmp = r * (sin(b) / cos(a))
end if
code = tmp
end function
public static double code(double r, double a, double b) {
double tmp;
if (a <= -1.55e-5) {
tmp = r / (Math.cos(a) / Math.sin(b));
} else if (a <= 5.6e-5) {
tmp = r * Math.tan(b);
} else {
tmp = r * (Math.sin(b) / Math.cos(a));
}
return tmp;
}
def code(r, a, b): tmp = 0 if a <= -1.55e-5: tmp = r / (math.cos(a) / math.sin(b)) elif a <= 5.6e-5: tmp = r * math.tan(b) else: tmp = r * (math.sin(b) / math.cos(a)) return tmp
function code(r, a, b) tmp = 0.0 if (a <= -1.55e-5) tmp = Float64(r / Float64(cos(a) / sin(b))); elseif (a <= 5.6e-5) tmp = Float64(r * tan(b)); else tmp = Float64(r * Float64(sin(b) / cos(a))); end return tmp end
function tmp_2 = code(r, a, b) tmp = 0.0; if (a <= -1.55e-5) tmp = r / (cos(a) / sin(b)); elseif (a <= 5.6e-5) tmp = r * tan(b); else tmp = r * (sin(b) / cos(a)); end tmp_2 = tmp; end
code[r_, a_, b_] := If[LessEqual[a, -1.55e-5], N[(r / N[(N[Cos[a], $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[a, 5.6e-5], N[(r * N[Tan[b], $MachinePrecision]), $MachinePrecision], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;a \leq -1.55 \cdot 10^{-5}:\\
\;\;\;\;\frac{r}{\frac{\cos a}{\sin b}}\\
\mathbf{elif}\;a \leq 5.6 \cdot 10^{-5}:\\
\;\;\;\;r \cdot \tan b\\
\mathbf{else}:\\
\;\;\;\;r \cdot \frac{\sin b}{\cos a}\\
\end{array}
\end{array}
(FPCore (r a b) :precision binary64 (* (sin b) (/ r (cos (+ b a)))))
double code(double r, double a, double b) {
return sin(b) * (r / cos((b + a)));
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = sin(b) * (r / cos((b + a)))
end function
public static double code(double r, double a, double b) {
return Math.sin(b) * (r / Math.cos((b + a)));
}
def code(r, a, b): return math.sin(b) * (r / math.cos((b + a)))
function code(r, a, b) return Float64(sin(b) * Float64(r / cos(Float64(b + a)))) end
function tmp = code(r, a, b) tmp = sin(b) * (r / cos((b + a))); end
code[r_, a_, b_] := N[(N[Sin[b], $MachinePrecision] * N[(r / N[Cos[N[(b + a), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\sin b \cdot \frac{r}{\cos \left(b + a\right)}
\end{array}
(FPCore (r a b) :precision binary64 (* r (/ (sin b) (cos (+ b a)))))
double code(double r, double a, double b) {
return r * (sin(b) / cos((b + a)));
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = r * (sin(b) / cos((b + a)))
end function
public static double code(double r, double a, double b) {
return r * (Math.sin(b) / Math.cos((b + a)));
}
def code(r, a, b): return r * (math.sin(b) / math.cos((b + a)))
function code(r, a, b) return Float64(r * Float64(sin(b) / cos(Float64(b + a)))) end
function tmp = code(r, a, b) tmp = r * (sin(b) / cos((b + a))); end
code[r_, a_, b_] := N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[N[(b + a), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \frac{\sin b}{\cos \left(b + a\right)}
\end{array}
(FPCore (r a b) :precision binary64 (if (or (<= b -0.015) (not (<= b 1.95e-14))) (* r (tan b)) (/ (* r b) (cos (+ b a)))))
double code(double r, double a, double b) {
double tmp;
if ((b <= -0.015) || !(b <= 1.95e-14)) {
tmp = r * tan(b);
} else {
tmp = (r * b) / cos((b + a));
}
return tmp;
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8) :: tmp
if ((b <= (-0.015d0)) .or. (.not. (b <= 1.95d-14))) then
tmp = r * tan(b)
else
tmp = (r * b) / cos((b + a))
end if
code = tmp
end function
public static double code(double r, double a, double b) {
double tmp;
if ((b <= -0.015) || !(b <= 1.95e-14)) {
tmp = r * Math.tan(b);
} else {
tmp = (r * b) / Math.cos((b + a));
}
return tmp;
}
def code(r, a, b): tmp = 0 if (b <= -0.015) or not (b <= 1.95e-14): tmp = r * math.tan(b) else: tmp = (r * b) / math.cos((b + a)) return tmp
function code(r, a, b) tmp = 0.0 if ((b <= -0.015) || !(b <= 1.95e-14)) tmp = Float64(r * tan(b)); else tmp = Float64(Float64(r * b) / cos(Float64(b + a))); end return tmp end
function tmp_2 = code(r, a, b) tmp = 0.0; if ((b <= -0.015) || ~((b <= 1.95e-14))) tmp = r * tan(b); else tmp = (r * b) / cos((b + a)); end tmp_2 = tmp; end
code[r_, a_, b_] := If[Or[LessEqual[b, -0.015], N[Not[LessEqual[b, 1.95e-14]], $MachinePrecision]], N[(r * N[Tan[b], $MachinePrecision]), $MachinePrecision], N[(N[(r * b), $MachinePrecision] / N[Cos[N[(b + a), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \leq -0.015 \lor \neg \left(b \leq 1.95 \cdot 10^{-14}\right):\\
\;\;\;\;r \cdot \tan b\\
\mathbf{else}:\\
\;\;\;\;\frac{r \cdot b}{\cos \left(b + a\right)}\\
\end{array}
\end{array}
(FPCore (r a b) :precision binary64 (if (or (<= b -0.015) (not (<= b 1.95e-14))) (* r (tan b)) (* r (/ b (cos a)))))
double code(double r, double a, double b) {
double tmp;
if ((b <= -0.015) || !(b <= 1.95e-14)) {
tmp = r * tan(b);
} else {
tmp = r * (b / cos(a));
}
return tmp;
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
real(8) :: tmp
if ((b <= (-0.015d0)) .or. (.not. (b <= 1.95d-14))) then
tmp = r * tan(b)
else
tmp = r * (b / cos(a))
end if
code = tmp
end function
public static double code(double r, double a, double b) {
double tmp;
if ((b <= -0.015) || !(b <= 1.95e-14)) {
tmp = r * Math.tan(b);
} else {
tmp = r * (b / Math.cos(a));
}
return tmp;
}
def code(r, a, b): tmp = 0 if (b <= -0.015) or not (b <= 1.95e-14): tmp = r * math.tan(b) else: tmp = r * (b / math.cos(a)) return tmp
function code(r, a, b) tmp = 0.0 if ((b <= -0.015) || !(b <= 1.95e-14)) tmp = Float64(r * tan(b)); else tmp = Float64(r * Float64(b / cos(a))); end return tmp end
function tmp_2 = code(r, a, b) tmp = 0.0; if ((b <= -0.015) || ~((b <= 1.95e-14))) tmp = r * tan(b); else tmp = r * (b / cos(a)); end tmp_2 = tmp; end
code[r_, a_, b_] := If[Or[LessEqual[b, -0.015], N[Not[LessEqual[b, 1.95e-14]], $MachinePrecision]], N[(r * N[Tan[b], $MachinePrecision]), $MachinePrecision], N[(r * N[(b / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \leq -0.015 \lor \neg \left(b \leq 1.95 \cdot 10^{-14}\right):\\
\;\;\;\;r \cdot \tan b\\
\mathbf{else}:\\
\;\;\;\;r \cdot \frac{b}{\cos a}\\
\end{array}
\end{array}
(FPCore (r a b) :precision binary64 (* r (tan b)))
double code(double r, double a, double b) {
return r * tan(b);
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = r * tan(b)
end function
public static double code(double r, double a, double b) {
return r * Math.tan(b);
}
def code(r, a, b): return r * math.tan(b)
function code(r, a, b) return Float64(r * tan(b)) end
function tmp = code(r, a, b) tmp = r * tan(b); end
code[r_, a_, b_] := N[(r * N[Tan[b], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \tan b
\end{array}
(FPCore (r a b) :precision binary64 (* r b))
double code(double r, double a, double b) {
return r * b;
}
real(8) function code(r, a, b)
real(8), intent (in) :: r
real(8), intent (in) :: a
real(8), intent (in) :: b
code = r * b
end function
public static double code(double r, double a, double b) {
return r * b;
}
def code(r, a, b): return r * b
function code(r, a, b) return Float64(r * b) end
function tmp = code(r, a, b) tmp = r * b; end
code[r_, a_, b_] := N[(r * b), $MachinePrecision]
\begin{array}{l}
\\
r \cdot b
\end{array}
herbie shell --seed 2024003
(FPCore (r a b)
:name "rsin A (should all be same)"
:precision binary64
(/ (* r (sin b)) (cos (+ a b))))