
(FPCore (x y) :precision binary64 (* (cosh x) (/ (sin y) y)))
double code(double x, double y) {
return cosh(x) * (sin(y) / y);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = cosh(x) * (sin(y) / y)
end function
public static double code(double x, double y) {
return Math.cosh(x) * (Math.sin(y) / y);
}
def code(x, y): return math.cosh(x) * (math.sin(y) / y)
function code(x, y) return Float64(cosh(x) * Float64(sin(y) / y)) end
function tmp = code(x, y) tmp = cosh(x) * (sin(y) / y); end
code[x_, y_] := N[(N[Cosh[x], $MachinePrecision] * N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\cosh x \cdot \frac{\sin y}{y}
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 7 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y) :precision binary64 (* (cosh x) (/ (sin y) y)))
double code(double x, double y) {
return cosh(x) * (sin(y) / y);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = cosh(x) * (sin(y) / y)
end function
public static double code(double x, double y) {
return Math.cosh(x) * (Math.sin(y) / y);
}
def code(x, y): return math.cosh(x) * (math.sin(y) / y)
function code(x, y) return Float64(cosh(x) * Float64(sin(y) / y)) end
function tmp = code(x, y) tmp = cosh(x) * (sin(y) / y); end
code[x_, y_] := N[(N[Cosh[x], $MachinePrecision] * N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\cosh x \cdot \frac{\sin y}{y}
\end{array}
(FPCore (x y) :precision binary64 (* (cosh x) (/ (sin y) y)))
double code(double x, double y) {
return cosh(x) * (sin(y) / y);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = cosh(x) * (sin(y) / y)
end function
public static double code(double x, double y) {
return Math.cosh(x) * (Math.sin(y) / y);
}
def code(x, y): return math.cosh(x) * (math.sin(y) / y)
function code(x, y) return Float64(cosh(x) * Float64(sin(y) / y)) end
function tmp = code(x, y) tmp = cosh(x) * (sin(y) / y); end
code[x_, y_] := N[(N[Cosh[x], $MachinePrecision] * N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
\cosh x \cdot \frac{\sin y}{y}
\end{array}
Initial program 99.9%
Final simplification99.9%
(FPCore (x y) :precision binary64 (if (<= (cosh x) 1.000000000002) (/ (sin y) y) (cosh x)))
double code(double x, double y) {
double tmp;
if (cosh(x) <= 1.000000000002) {
tmp = sin(y) / y;
} else {
tmp = cosh(x);
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (cosh(x) <= 1.000000000002d0) then
tmp = sin(y) / y
else
tmp = cosh(x)
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (Math.cosh(x) <= 1.000000000002) {
tmp = Math.sin(y) / y;
} else {
tmp = Math.cosh(x);
}
return tmp;
}
def code(x, y): tmp = 0 if math.cosh(x) <= 1.000000000002: tmp = math.sin(y) / y else: tmp = math.cosh(x) return tmp
function code(x, y) tmp = 0.0 if (cosh(x) <= 1.000000000002) tmp = Float64(sin(y) / y); else tmp = cosh(x); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (cosh(x) <= 1.000000000002) tmp = sin(y) / y; else tmp = cosh(x); end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[N[Cosh[x], $MachinePrecision], 1.000000000002], N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision], N[Cosh[x], $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;\cosh x \leq 1.000000000002:\\
\;\;\;\;\frac{\sin y}{y}\\
\mathbf{else}:\\
\;\;\;\;\cosh x\\
\end{array}
\end{array}
if (cosh.f64 x) < 1.00000000000199996Initial program 99.8%
Taylor expanded in x around 0 99.7%
if 1.00000000000199996 < (cosh.f64 x) Initial program 100.0%
Taylor expanded in y around 0 76.7%
Final simplification87.7%
(FPCore (x y)
:precision binary64
(if (<= x 2.4e-6)
(/ (sin y) y)
(if (<= x 6.4e+151)
(cosh x)
(* (sin y) (+ (/ 1.0 y) (* 0.5 (/ (* x x) y)))))))
double code(double x, double y) {
double tmp;
if (x <= 2.4e-6) {
tmp = sin(y) / y;
} else if (x <= 6.4e+151) {
tmp = cosh(x);
} else {
tmp = sin(y) * ((1.0 / y) + (0.5 * ((x * x) / y)));
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= 2.4d-6) then
tmp = sin(y) / y
else if (x <= 6.4d+151) then
tmp = cosh(x)
else
tmp = sin(y) * ((1.0d0 / y) + (0.5d0 * ((x * x) / y)))
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= 2.4e-6) {
tmp = Math.sin(y) / y;
} else if (x <= 6.4e+151) {
tmp = Math.cosh(x);
} else {
tmp = Math.sin(y) * ((1.0 / y) + (0.5 * ((x * x) / y)));
}
return tmp;
}
def code(x, y): tmp = 0 if x <= 2.4e-6: tmp = math.sin(y) / y elif x <= 6.4e+151: tmp = math.cosh(x) else: tmp = math.sin(y) * ((1.0 / y) + (0.5 * ((x * x) / y))) return tmp
function code(x, y) tmp = 0.0 if (x <= 2.4e-6) tmp = Float64(sin(y) / y); elseif (x <= 6.4e+151) tmp = cosh(x); else tmp = Float64(sin(y) * Float64(Float64(1.0 / y) + Float64(0.5 * Float64(Float64(x * x) / y)))); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= 2.4e-6) tmp = sin(y) / y; elseif (x <= 6.4e+151) tmp = cosh(x); else tmp = sin(y) * ((1.0 / y) + (0.5 * ((x * x) / y))); end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, 2.4e-6], N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision], If[LessEqual[x, 6.4e+151], N[Cosh[x], $MachinePrecision], N[(N[Sin[y], $MachinePrecision] * N[(N[(1.0 / y), $MachinePrecision] + N[(0.5 * N[(N[(x * x), $MachinePrecision] / y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq 2.4 \cdot 10^{-6}:\\
\;\;\;\;\frac{\sin y}{y}\\
\mathbf{elif}\;x \leq 6.4 \cdot 10^{+151}:\\
\;\;\;\;\cosh x\\
\mathbf{else}:\\
\;\;\;\;\sin y \cdot \left(\frac{1}{y} + 0.5 \cdot \frac{x \cdot x}{y}\right)\\
\end{array}
\end{array}
if x < 2.3999999999999999e-6Initial program 99.9%
Taylor expanded in x around 0 68.0%
if 2.3999999999999999e-6 < x < 6.39999999999999988e151Initial program 100.0%
Taylor expanded in y around 0 81.1%
if 6.39999999999999988e151 < x Initial program 100.0%
clear-num100.0%
un-div-inv100.0%
Applied egg-rr100.0%
associate-/r/100.0%
Applied egg-rr100.0%
Taylor expanded in x around 0 97.2%
unpow297.2%
Simplified97.2%
Final simplification73.9%
(FPCore (x y)
:precision binary64
(if (<= x 2.2e-6)
(/ (sin y) y)
(if (<= x 9e+151)
(cosh x)
(* (cosh x) (+ 1.0 (* -0.16666666666666666 (* y y)))))))
double code(double x, double y) {
double tmp;
if (x <= 2.2e-6) {
tmp = sin(y) / y;
} else if (x <= 9e+151) {
tmp = cosh(x);
} else {
tmp = cosh(x) * (1.0 + (-0.16666666666666666 * (y * y)));
}
return tmp;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8) :: tmp
if (x <= 2.2d-6) then
tmp = sin(y) / y
else if (x <= 9d+151) then
tmp = cosh(x)
else
tmp = cosh(x) * (1.0d0 + ((-0.16666666666666666d0) * (y * y)))
end if
code = tmp
end function
public static double code(double x, double y) {
double tmp;
if (x <= 2.2e-6) {
tmp = Math.sin(y) / y;
} else if (x <= 9e+151) {
tmp = Math.cosh(x);
} else {
tmp = Math.cosh(x) * (1.0 + (-0.16666666666666666 * (y * y)));
}
return tmp;
}
def code(x, y): tmp = 0 if x <= 2.2e-6: tmp = math.sin(y) / y elif x <= 9e+151: tmp = math.cosh(x) else: tmp = math.cosh(x) * (1.0 + (-0.16666666666666666 * (y * y))) return tmp
function code(x, y) tmp = 0.0 if (x <= 2.2e-6) tmp = Float64(sin(y) / y); elseif (x <= 9e+151) tmp = cosh(x); else tmp = Float64(cosh(x) * Float64(1.0 + Float64(-0.16666666666666666 * Float64(y * y)))); end return tmp end
function tmp_2 = code(x, y) tmp = 0.0; if (x <= 2.2e-6) tmp = sin(y) / y; elseif (x <= 9e+151) tmp = cosh(x); else tmp = cosh(x) * (1.0 + (-0.16666666666666666 * (y * y))); end tmp_2 = tmp; end
code[x_, y_] := If[LessEqual[x, 2.2e-6], N[(N[Sin[y], $MachinePrecision] / y), $MachinePrecision], If[LessEqual[x, 9e+151], N[Cosh[x], $MachinePrecision], N[(N[Cosh[x], $MachinePrecision] * N[(1.0 + N[(-0.16666666666666666 * N[(y * y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;x \leq 2.2 \cdot 10^{-6}:\\
\;\;\;\;\frac{\sin y}{y}\\
\mathbf{elif}\;x \leq 9 \cdot 10^{+151}:\\
\;\;\;\;\cosh x\\
\mathbf{else}:\\
\;\;\;\;\cosh x \cdot \left(1 + -0.16666666666666666 \cdot \left(y \cdot y\right)\right)\\
\end{array}
\end{array}
if x < 2.2000000000000001e-6Initial program 99.9%
Taylor expanded in x around 0 68.0%
if 2.2000000000000001e-6 < x < 8.9999999999999997e151Initial program 100.0%
Taylor expanded in y around 0 81.1%
if 8.9999999999999997e151 < x Initial program 100.0%
Taylor expanded in y around 0 91.4%
unpow291.4%
Simplified91.4%
Final simplification73.1%
(FPCore (x y) :precision binary64 (cosh x))
double code(double x, double y) {
return cosh(x);
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = cosh(x)
end function
public static double code(double x, double y) {
return Math.cosh(x);
}
def code(x, y): return math.cosh(x)
function code(x, y) return cosh(x) end
function tmp = code(x, y) tmp = cosh(x); end
code[x_, y_] := N[Cosh[x], $MachinePrecision]
\begin{array}{l}
\\
\cosh x
\end{array}
Initial program 99.9%
Taylor expanded in y around 0 66.5%
Final simplification66.5%
(FPCore (x y) :precision binary64 (+ 1.0 (* y (* y -0.16666666666666666))))
double code(double x, double y) {
return 1.0 + (y * (y * -0.16666666666666666));
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0 + (y * (y * (-0.16666666666666666d0)))
end function
public static double code(double x, double y) {
return 1.0 + (y * (y * -0.16666666666666666));
}
def code(x, y): return 1.0 + (y * (y * -0.16666666666666666))
function code(x, y) return Float64(1.0 + Float64(y * Float64(y * -0.16666666666666666))) end
function tmp = code(x, y) tmp = 1.0 + (y * (y * -0.16666666666666666)); end
code[x_, y_] := N[(1.0 + N[(y * N[(y * -0.16666666666666666), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
1 + y \cdot \left(y \cdot -0.16666666666666666\right)
\end{array}
Initial program 99.9%
add-cube-cbrt99.4%
pow399.4%
*-commutative99.4%
associate-*l/99.4%
Applied egg-rr99.4%
Taylor expanded in x around 0 37.0%
unpow1/349.5%
Simplified49.5%
Taylor expanded in y around 0 33.6%
*-commutative33.6%
unpow233.6%
Simplified33.6%
Taylor expanded in y around 0 33.6%
*-commutative33.6%
unpow233.6%
associate-*r*33.6%
Simplified33.6%
Final simplification33.6%
(FPCore (x y) :precision binary64 1.0)
double code(double x, double y) {
return 1.0;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = 1.0d0
end function
public static double code(double x, double y) {
return 1.0;
}
def code(x, y): return 1.0
function code(x, y) return 1.0 end
function tmp = code(x, y) tmp = 1.0; end
code[x_, y_] := 1.0
\begin{array}{l}
\\
1
\end{array}
Initial program 99.9%
add-cube-cbrt99.4%
pow399.4%
*-commutative99.4%
associate-*l/99.4%
Applied egg-rr99.4%
Taylor expanded in x around 0 37.0%
unpow1/349.5%
Simplified49.5%
Taylor expanded in y around 0 28.6%
Final simplification28.6%
(FPCore (x y) :precision binary64 (/ (* (cosh x) (sin y)) y))
double code(double x, double y) {
return (cosh(x) * sin(y)) / y;
}
real(8) function code(x, y)
real(8), intent (in) :: x
real(8), intent (in) :: y
code = (cosh(x) * sin(y)) / y
end function
public static double code(double x, double y) {
return (Math.cosh(x) * Math.sin(y)) / y;
}
def code(x, y): return (math.cosh(x) * math.sin(y)) / y
function code(x, y) return Float64(Float64(cosh(x) * sin(y)) / y) end
function tmp = code(x, y) tmp = (cosh(x) * sin(y)) / y; end
code[x_, y_] := N[(N[(N[Cosh[x], $MachinePrecision] * N[Sin[y], $MachinePrecision]), $MachinePrecision] / y), $MachinePrecision]
\begin{array}{l}
\\
\frac{\cosh x \cdot \sin y}{y}
\end{array}
herbie shell --seed 2023199
(FPCore (x y)
:name "Linear.Quaternion:$csinh from linear-1.19.1.3"
:precision binary64
:herbie-target
(/ (* (cosh x) (sin y)) y)
(* (cosh x) (/ (sin y) y)))