
(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(r * Float64(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[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \frac{\sin b}{\cos \left(a + b\right)}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 13 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(r * Float64(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[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[N[(a + b), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \frac{\sin b}{\cos \left(a + b\right)}
\end{array}
(FPCore (r a b) :precision binary64 (* r (/ (sin b) (fma (cos b) (cos a) (* (sin b) (- (sin a)))))))
double code(double r, double a, double b) {
return r * (sin(b) / fma(cos(b), cos(a), (sin(b) * -sin(a))));
}
function code(r, a, b) return Float64(r * Float64(sin(b) / fma(cos(b), cos(a), Float64(sin(b) * Float64(-sin(a)))))) end
code[r_, a_, b_] := N[(r * N[(N[Sin[b], $MachinePrecision] / N[(N[Cos[b], $MachinePrecision] * N[Cos[a], $MachinePrecision] + N[(N[Sin[b], $MachinePrecision] * (-N[Sin[a], $MachinePrecision])), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \frac{\sin b}{\mathsf{fma}\left(\cos b, \cos a, \sin b \cdot \left(-\sin a\right)\right)}
\end{array}
(FPCore (r a b) :precision binary64 (* r (/ (sin b) (- (* (cos b) (cos a)) (* (sin b) (sin a))))))
double code(double r, double a, double b) {
return r * (sin(b) / ((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 = r * (sin(b) / ((cos(b) * cos(a)) - (sin(b) * sin(a))))
end function
public static double code(double r, double a, double b) {
return r * (Math.sin(b) / ((Math.cos(b) * Math.cos(a)) - (Math.sin(b) * Math.sin(a))));
}
def code(r, a, b): return r * (math.sin(b) / ((math.cos(b) * math.cos(a)) - (math.sin(b) * math.sin(a))))
function code(r, a, b) return Float64(r * Float64(sin(b) / Float64(Float64(cos(b) * cos(a)) - Float64(sin(b) * sin(a))))) end
function tmp = code(r, a, b) tmp = r * (sin(b) / ((cos(b) * cos(a)) - (sin(b) * sin(a)))); end
code[r_, a_, b_] := N[(r * N[(N[Sin[b], $MachinePrecision] / 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}
\\
r \cdot \frac{\sin b}{\cos b \cdot \cos a - \sin b \cdot \sin a}
\end{array}
(FPCore (r a b) :precision binary64 (/ (* r (sin b)) (- (* (cos b) (cos a)) (* (sin b) (sin a)))))
double code(double r, double a, double b) {
return (r * sin(b)) / ((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 = (r * sin(b)) / ((cos(b) * cos(a)) - (sin(b) * sin(a)))
end function
public static double code(double r, double a, double b) {
return (r * Math.sin(b)) / ((Math.cos(b) * Math.cos(a)) - (Math.sin(b) * Math.sin(a)));
}
def code(r, a, b): return (r * math.sin(b)) / ((math.cos(b) * math.cos(a)) - (math.sin(b) * math.sin(a)))
function code(r, a, b) return Float64(Float64(r * sin(b)) / Float64(Float64(cos(b) * cos(a)) - Float64(sin(b) * sin(a)))) end
function tmp = code(r, a, b) tmp = (r * sin(b)) / ((cos(b) * cos(a)) - (sin(b) * sin(a))); end
code[r_, a_, b_] := N[(N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision] / N[(N[(N[Cos[b], $MachinePrecision] * N[Cos[a], $MachinePrecision]), $MachinePrecision] - N[(N[Sin[b], $MachinePrecision] * N[Sin[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\frac{r \cdot \sin b}{\cos b \cdot \cos a - \sin b \cdot \sin a}
\end{array}
(FPCore (r a b) :precision binary64 (* r (/ (sin b) (- (cos (+ b a)) (* (sin b) (sin a))))))
double code(double r, double a, double b) {
return r * (sin(b) / (cos((b + 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 = r * (sin(b) / (cos((b + a)) - (sin(b) * sin(a))))
end function
public static double code(double r, double a, double b) {
return r * (Math.sin(b) / (Math.cos((b + a)) - (Math.sin(b) * Math.sin(a))));
}
def code(r, a, b): return r * (math.sin(b) / (math.cos((b + a)) - (math.sin(b) * math.sin(a))))
function code(r, a, b) return Float64(r * Float64(sin(b) / Float64(cos(Float64(b + a)) - Float64(sin(b) * sin(a))))) end
function tmp = code(r, a, b) tmp = r * (sin(b) / (cos((b + a)) - (sin(b) * sin(a)))); end
code[r_, a_, b_] := N[(r * N[(N[Sin[b], $MachinePrecision] / N[(N[Cos[N[(b + a), $MachinePrecision]], $MachinePrecision] - N[(N[Sin[b], $MachinePrecision] * N[Sin[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \frac{\sin b}{\cos \left(b + a\right) - \sin b \cdot \sin 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 (<= b -1.85e-5) (not (<= b 2.55e-6))) (* r (/ (sin b) (cos b))) (* r (/ (sin b) (cos a)))))
double code(double r, double a, double b) {
double tmp;
if ((b <= -1.85e-5) || !(b <= 2.55e-6)) {
tmp = r * (sin(b) / cos(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 ((b <= (-1.85d-5)) .or. (.not. (b <= 2.55d-6))) then
tmp = r * (sin(b) / cos(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 ((b <= -1.85e-5) || !(b <= 2.55e-6)) {
tmp = r * (Math.sin(b) / Math.cos(b));
} else {
tmp = r * (Math.sin(b) / Math.cos(a));
}
return tmp;
}
def code(r, a, b): tmp = 0 if (b <= -1.85e-5) or not (b <= 2.55e-6): tmp = r * (math.sin(b) / math.cos(b)) else: tmp = r * (math.sin(b) / math.cos(a)) return tmp
function code(r, a, b) tmp = 0.0 if ((b <= -1.85e-5) || !(b <= 2.55e-6)) tmp = Float64(r * Float64(sin(b) / cos(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 ((b <= -1.85e-5) || ~((b <= 2.55e-6))) tmp = r * (sin(b) / cos(b)); else tmp = r * (sin(b) / cos(a)); end tmp_2 = tmp; end
code[r_, a_, b_] := If[Or[LessEqual[b, -1.85e-5], N[Not[LessEqual[b, 2.55e-6]], $MachinePrecision]], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \leq -1.85 \cdot 10^{-5} \lor \neg \left(b \leq 2.55 \cdot 10^{-6}\right):\\
\;\;\;\;r \cdot \frac{\sin b}{\cos b}\\
\mathbf{else}:\\
\;\;\;\;r \cdot \frac{\sin b}{\cos a}\\
\end{array}
\end{array}
(FPCore (r a b) :precision binary64 (if (<= b -2.15e-5) (* (sin b) (/ r (cos b))) (if (<= b 6.3e-6) (* r (/ (sin b) (cos a))) (* r (/ (sin b) (cos b))))))
double code(double r, double a, double b) {
double tmp;
if (b <= -2.15e-5) {
tmp = sin(b) * (r / cos(b));
} else if (b <= 6.3e-6) {
tmp = r * (sin(b) / cos(a));
} else {
tmp = r * (sin(b) / cos(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 (b <= (-2.15d-5)) then
tmp = sin(b) * (r / cos(b))
else if (b <= 6.3d-6) then
tmp = r * (sin(b) / cos(a))
else
tmp = r * (sin(b) / cos(b))
end if
code = tmp
end function
public static double code(double r, double a, double b) {
double tmp;
if (b <= -2.15e-5) {
tmp = Math.sin(b) * (r / Math.cos(b));
} else if (b <= 6.3e-6) {
tmp = r * (Math.sin(b) / Math.cos(a));
} else {
tmp = r * (Math.sin(b) / Math.cos(b));
}
return tmp;
}
def code(r, a, b): tmp = 0 if b <= -2.15e-5: tmp = math.sin(b) * (r / math.cos(b)) elif b <= 6.3e-6: tmp = r * (math.sin(b) / math.cos(a)) else: tmp = r * (math.sin(b) / math.cos(b)) return tmp
function code(r, a, b) tmp = 0.0 if (b <= -2.15e-5) tmp = Float64(sin(b) * Float64(r / cos(b))); elseif (b <= 6.3e-6) tmp = Float64(r * Float64(sin(b) / cos(a))); else tmp = Float64(r * Float64(sin(b) / cos(b))); end return tmp end
function tmp_2 = code(r, a, b) tmp = 0.0; if (b <= -2.15e-5) tmp = sin(b) * (r / cos(b)); elseif (b <= 6.3e-6) tmp = r * (sin(b) / cos(a)); else tmp = r * (sin(b) / cos(b)); end tmp_2 = tmp; end
code[r_, a_, b_] := If[LessEqual[b, -2.15e-5], N[(N[Sin[b], $MachinePrecision] * N[(r / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 6.3e-6], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \leq -2.15 \cdot 10^{-5}:\\
\;\;\;\;\sin b \cdot \frac{r}{\cos b}\\
\mathbf{elif}\;b \leq 6.3 \cdot 10^{-6}:\\
\;\;\;\;r \cdot \frac{\sin b}{\cos a}\\
\mathbf{else}:\\
\;\;\;\;r \cdot \frac{\sin b}{\cos b}\\
\end{array}
\end{array}
(FPCore (r a b) :precision binary64 (if (<= b -7.2e-6) (/ r (/ (cos b) (sin b))) (if (<= b 1.95e-5) (* r (/ (sin b) (cos a))) (* r (/ (sin b) (cos b))))))
double code(double r, double a, double b) {
double tmp;
if (b <= -7.2e-6) {
tmp = r / (cos(b) / sin(b));
} else if (b <= 1.95e-5) {
tmp = r * (sin(b) / cos(a));
} else {
tmp = r * (sin(b) / cos(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 (b <= (-7.2d-6)) then
tmp = r / (cos(b) / sin(b))
else if (b <= 1.95d-5) then
tmp = r * (sin(b) / cos(a))
else
tmp = r * (sin(b) / cos(b))
end if
code = tmp
end function
public static double code(double r, double a, double b) {
double tmp;
if (b <= -7.2e-6) {
tmp = r / (Math.cos(b) / Math.sin(b));
} else if (b <= 1.95e-5) {
tmp = r * (Math.sin(b) / Math.cos(a));
} else {
tmp = r * (Math.sin(b) / Math.cos(b));
}
return tmp;
}
def code(r, a, b): tmp = 0 if b <= -7.2e-6: tmp = r / (math.cos(b) / math.sin(b)) elif b <= 1.95e-5: tmp = r * (math.sin(b) / math.cos(a)) else: tmp = r * (math.sin(b) / math.cos(b)) return tmp
function code(r, a, b) tmp = 0.0 if (b <= -7.2e-6) tmp = Float64(r / Float64(cos(b) / sin(b))); elseif (b <= 1.95e-5) tmp = Float64(r * Float64(sin(b) / cos(a))); else tmp = Float64(r * Float64(sin(b) / cos(b))); end return tmp end
function tmp_2 = code(r, a, b) tmp = 0.0; if (b <= -7.2e-6) tmp = r / (cos(b) / sin(b)); elseif (b <= 1.95e-5) tmp = r * (sin(b) / cos(a)); else tmp = r * (sin(b) / cos(b)); end tmp_2 = tmp; end
code[r_, a_, b_] := If[LessEqual[b, -7.2e-6], N[(r / N[(N[Cos[b], $MachinePrecision] / N[Sin[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[b, 1.95e-5], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision], N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[b], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \leq -7.2 \cdot 10^{-6}:\\
\;\;\;\;\frac{r}{\frac{\cos b}{\sin b}}\\
\mathbf{elif}\;b \leq 1.95 \cdot 10^{-5}:\\
\;\;\;\;r \cdot \frac{\sin b}{\cos a}\\
\mathbf{else}:\\
\;\;\;\;r \cdot \frac{\sin b}{\cos b}\\
\end{array}
\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 (* r (/ (sin b) (cos a))))
double code(double r, double a, double b) {
return r * (sin(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(a))
end function
public static double code(double r, double a, double b) {
return r * (Math.sin(b) / Math.cos(a));
}
def code(r, a, b): return r * (math.sin(b) / math.cos(a))
function code(r, a, b) return Float64(r * Float64(sin(b) / cos(a))) end
function tmp = code(r, a, b) tmp = r * (sin(b) / cos(a)); end
code[r_, a_, b_] := N[(r * N[(N[Sin[b], $MachinePrecision] / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \frac{\sin b}{\cos a}
\end{array}
(FPCore (r a b) :precision binary64 (if (or (<= b -66000000.0) (not (<= b 1.05))) (* r (sin b)) (* r (/ b (cos a)))))
double code(double r, double a, double b) {
double tmp;
if ((b <= -66000000.0) || !(b <= 1.05)) {
tmp = r * sin(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 <= (-66000000.0d0)) .or. (.not. (b <= 1.05d0))) then
tmp = r * sin(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 <= -66000000.0) || !(b <= 1.05)) {
tmp = r * Math.sin(b);
} else {
tmp = r * (b / Math.cos(a));
}
return tmp;
}
def code(r, a, b): tmp = 0 if (b <= -66000000.0) or not (b <= 1.05): tmp = r * math.sin(b) else: tmp = r * (b / math.cos(a)) return tmp
function code(r, a, b) tmp = 0.0 if ((b <= -66000000.0) || !(b <= 1.05)) tmp = Float64(r * sin(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 <= -66000000.0) || ~((b <= 1.05))) tmp = r * sin(b); else tmp = r * (b / cos(a)); end tmp_2 = tmp; end
code[r_, a_, b_] := If[Or[LessEqual[b, -66000000.0], N[Not[LessEqual[b, 1.05]], $MachinePrecision]], N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision], N[(r * N[(b / N[Cos[a], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;b \leq -66000000 \lor \neg \left(b \leq 1.05\right):\\
\;\;\;\;r \cdot \sin b\\
\mathbf{else}:\\
\;\;\;\;r \cdot \frac{b}{\cos a}\\
\end{array}
\end{array}
(FPCore (r a b) :precision binary64 (* r (sin b)))
double code(double r, double a, double b) {
return r * sin(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)
end function
public static double code(double r, double a, double b) {
return r * Math.sin(b);
}
def code(r, a, b): return r * math.sin(b)
function code(r, a, b) return Float64(r * sin(b)) end
function tmp = code(r, a, b) tmp = r * sin(b); end
code[r_, a_, b_] := N[(r * N[Sin[b], $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
r \cdot \sin 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 2023343
(FPCore (r a b)
:name "rsin B (should all be same)"
:precision binary64
(* r (/ (sin b) (cos (+ a b)))))