Diagrams.ThreeD.Transform:aboutX from diagrams-lib-1.3.0.3, B

Percentage Accurate: 99.8% → 99.8%

Time: 8.0s

Alternatives: 6

Speedup: 1.0×

Specification

Math

\[\begin{array}{l} \\ x \cdot \sin y + z \cdot \cos y \end{array} \]

FPCore

(FPCore (x y z) :precision binary64 (+ (* x (sin y)) (* z (cos y))))

C

double code(double x, double y, double z) {
	return (x * sin(y)) + (z * cos(y));
}

Fortran

real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    code = (x * sin(y)) + (z * cos(y))
end function

Java

public static double code(double x, double y, double z) {
	return (x * Math.sin(y)) + (z * Math.cos(y));
}

Python

def code(x, y, z):
	return (x * math.sin(y)) + (z * math.cos(y))

Julia

function code(x, y, z)
	return Float64(Float64(x * sin(y)) + Float64(z * cos(y)))
end

MATLAB

function tmp = code(x, y, z)
	tmp = (x * sin(y)) + (z * cos(y));
end

Wolfram

code[x_, y_, z_] := N[(N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Initial Program: 99.8% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ x \cdot \sin y + z \cdot \cos y \end{array} \]

FPCore

(FPCore (x y z) :precision binary64 (+ (* x (sin y)) (* z (cos y))))

C

double code(double x, double y, double z) {
	return (x * sin(y)) + (z * cos(y));
}

Fortran

real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    code = (x * sin(y)) + (z * cos(y))
end function

Java

public static double code(double x, double y, double z) {
	return (x * Math.sin(y)) + (z * Math.cos(y));
}

Python

def code(x, y, z):
	return (x * math.sin(y)) + (z * math.cos(y))

Julia

function code(x, y, z)
	return Float64(Float64(x * sin(y)) + Float64(z * cos(y)))
end

MATLAB

function tmp = code(x, y, z)
	tmp = (x * sin(y)) + (z * cos(y));
end

Wolfram

code[x_, y_, z_] := N[(N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Alternative 1: 99.8% accurate, 0.7× speedup

Math

\[\begin{array}{l} \\ \mathsf{fma}\left(z, \cos y, x \cdot \sin y\right) \end{array} \]

FPCore

(FPCore (x y z) :precision binary64 (fma z (cos y) (* x (sin y))))

C

double code(double x, double y, double z) {
	return fma(z, cos(y), (x * sin(y)));
}

Julia

function code(x, y, z)
	return fma(z, cos(y), Float64(x * sin(y)))
end

Wolfram

code[x_, y_, z_] := N[(z * N[Cos[y], $MachinePrecision] + N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 99.8%

   \[x \cdot \sin y + z \cdot \cos y \]
2. Step-by-step derivation

   1. +-commutative 99.8%

      \[\leadsto \color{blue}{z \cdot \cos y + x \cdot \sin y} \]

   2. fma-def 99.8%

      \[\leadsto \color{blue}{\mathsf{fma}\left(z, \cos y, x \cdot \sin y\right)} \]

3. Simplified 99.8%

   \[\leadsto \color{blue}{\mathsf{fma}\left(z, \cos y, x \cdot \sin y\right)} \]

4. Final simplification 99.8%

   \[\leadsto \mathsf{fma}\left(z, \cos y, x \cdot \sin y\right) \]

Alternative 2: 99.8% accurate, 1.0× speedup

Math

\[\begin{array}{l} \\ x \cdot \sin y + z \cdot \cos y \end{array} \]

FPCore

(FPCore (x y z) :precision binary64 (+ (* x (sin y)) (* z (cos y))))

C

double code(double x, double y, double z) {
	return (x * sin(y)) + (z * cos(y));
}

Fortran

real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    code = (x * sin(y)) + (z * cos(y))
end function

Java

public static double code(double x, double y, double z) {
	return (x * Math.sin(y)) + (z * Math.cos(y));
}

Python

def code(x, y, z):
	return (x * math.sin(y)) + (z * math.cos(y))

Julia

function code(x, y, z)
	return Float64(Float64(x * sin(y)) + Float64(z * cos(y)))
end

MATLAB

function tmp = code(x, y, z)
	tmp = (x * sin(y)) + (z * cos(y));
end

Wolfram

code[x_, y_, z_] := N[(N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision] + N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 99.8%

   \[x \cdot \sin y + z \cdot \cos y \]

2. Final simplification 99.8%

   \[\leadsto x \cdot \sin y + z \cdot \cos y \]

Alternative 3: 74.0% accurate, 1.9× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} t_0 := x \cdot \sin y\\ t_1 := z \cdot \cos y\\ \mathbf{if}\;y \leq -1.95 \cdot 10^{+114}:\\ \;\;\;\;t_0\\ \mathbf{elif}\;y \leq -0.062:\\ \;\;\;\;t_1\\ \mathbf{elif}\;y \leq 3600000000000:\\ \;\;\;\;z + y \cdot \left(x + \left(z \cdot y\right) \cdot -0.5\right)\\ \mathbf{elif}\;y \leq 6.6 \cdot 10^{+75}:\\ \;\;\;\;t_0\\ \mathbf{else}:\\ \;\;\;\;t_1\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z)
 :precision binary64
 (let* ((t_0 (* x (sin y))) (t_1 (* z (cos y))))
   (if (<= y -1.95e+114)
     t_0
     (if (<= y -0.062)
       t_1
       (if (<= y 3600000000000.0)
         (+ z (* y (+ x (* (* z y) -0.5))))
         (if (<= y 6.6e+75) t_0 t_1))))))

C

double code(double x, double y, double z) {
	double t_0 = x * sin(y);
	double t_1 = z * cos(y);
	double tmp;
	if (y <= -1.95e+114) {
		tmp = t_0;
	} else if (y <= -0.062) {
		tmp = t_1;
	} else if (y <= 3600000000000.0) {
		tmp = z + (y * (x + ((z * y) * -0.5)));
	} else if (y <= 6.6e+75) {
		tmp = t_0;
	} else {
		tmp = t_1;
	}
	return tmp;
}

Fortran

real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: t_0
    real(8) :: t_1
    real(8) :: tmp
    t_0 = x * sin(y)
    t_1 = z * cos(y)
    if (y <= (-1.95d+114)) then
        tmp = t_0
    else if (y <= (-0.062d0)) then
        tmp = t_1
    else if (y <= 3600000000000.0d0) then
        tmp = z + (y * (x + ((z * y) * (-0.5d0))))
    else if (y <= 6.6d+75) then
        tmp = t_0
    else
        tmp = t_1
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z) {
	double t_0 = x * Math.sin(y);
	double t_1 = z * Math.cos(y);
	double tmp;
	if (y <= -1.95e+114) {
		tmp = t_0;
	} else if (y <= -0.062) {
		tmp = t_1;
	} else if (y <= 3600000000000.0) {
		tmp = z + (y * (x + ((z * y) * -0.5)));
	} else if (y <= 6.6e+75) {
		tmp = t_0;
	} else {
		tmp = t_1;
	}
	return tmp;
}

Python

def code(x, y, z):
	t_0 = x * math.sin(y)
	t_1 = z * math.cos(y)
	tmp = 0
	if y <= -1.95e+114:
		tmp = t_0
	elif y <= -0.062:
		tmp = t_1
	elif y <= 3600000000000.0:
		tmp = z + (y * (x + ((z * y) * -0.5)))
	elif y <= 6.6e+75:
		tmp = t_0
	else:
		tmp = t_1
	return tmp

Julia

function code(x, y, z)
	t_0 = Float64(x * sin(y))
	t_1 = Float64(z * cos(y))
	tmp = 0.0
	if (y <= -1.95e+114)
		tmp = t_0;
	elseif (y <= -0.062)
		tmp = t_1;
	elseif (y <= 3600000000000.0)
		tmp = Float64(z + Float64(y * Float64(x + Float64(Float64(z * y) * -0.5))));
	elseif (y <= 6.6e+75)
		tmp = t_0;
	else
		tmp = t_1;
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z)
	t_0 = x * sin(y);
	t_1 = z * cos(y);
	tmp = 0.0;
	if (y <= -1.95e+114)
		tmp = t_0;
	elseif (y <= -0.062)
		tmp = t_1;
	elseif (y <= 3600000000000.0)
		tmp = z + (y * (x + ((z * y) * -0.5)));
	elseif (y <= 6.6e+75)
		tmp = t_0;
	else
		tmp = t_1;
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_] := Block[{t$95$0 = N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision]}, Block[{t$95$1 = N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision]}, If[LessEqual[y, -1.95e+114], t$95$0, If[LessEqual[y, -0.062], t$95$1, If[LessEqual[y, 3600000000000.0], N[(z + N[(y * N[(x + N[(N[(z * y), $MachinePrecision] * -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision], If[LessEqual[y, 6.6e+75], t$95$0, t$95$1]]]]]]

Derivation

1. Split input into 3 regimes

2. if y < -1.95e114 or 3.6e12 < y < 6.59999999999999996e75

   1. Initial program 99.7%

      \[x \cdot \sin y + z \cdot \cos y \]

   2. Taylor expanded in x around inf 66.9%

      \[\leadsto \color{blue}{x \cdot \sin y} \]

   if -1.95e114 < y < -0.062 or 6.59999999999999996e75 < y

   1. Initial program 99.5%

      \[x \cdot \sin y + z \cdot \cos y \]

   2. Taylor expanded in x around 0 57.6%

      \[\leadsto \color{blue}{z \cdot \cos y} \]

   if -0.062 < y < 3.6e12

   1. Initial program 100.0%

      \[x \cdot \sin y + z \cdot \cos y \]
   2. Step-by-step derivation

      1. +-commutative 100.0%

         \[\leadsto \color{blue}{z \cdot \cos y + x \cdot \sin y} \]

      2. *-commutative 100.0%

         \[\leadsto \color{blue}{\cos y \cdot z} + x \cdot \sin y \]

      3. add-sqr-sqrt 60.9%

         \[\leadsto \cos y \cdot \color{blue}{\left(\sqrt{z} \cdot \sqrt{z}\right)} + x \cdot \sin y \]

      4. associate-*r* 60.9%

         \[\leadsto \color{blue}{\left(\cos y \cdot \sqrt{z}\right) \cdot \sqrt{z}} + x \cdot \sin y \]

      5. fma-def 60.9%

         \[\leadsto \color{blue}{\mathsf{fma}\left(\cos y \cdot \sqrt{z}, \sqrt{z}, x \cdot \sin y\right)} \]

   3. Applied egg-rr 60.9%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\cos y \cdot \sqrt{z}, \sqrt{z}, x \cdot \sin y\right)} \]

   4. Taylor expanded in y around 0 98.1%

      \[\leadsto \color{blue}{z + \left(-0.5 \cdot \left({y}^{2} \cdot z\right) + x \cdot y\right)} \]
   5. Step-by-step derivation

      1. unpow2 98.1%

         \[\leadsto z + \left(-0.5 \cdot \left(\color{blue}{\left(y \cdot y\right)} \cdot z\right) + x \cdot y\right) \]

      2. associate-*r* 98.1%

         \[\leadsto z + \left(-0.5 \cdot \color{blue}{\left(y \cdot \left(y \cdot z\right)\right)} + x \cdot y\right) \]

      3. *-commutative 98.1%

         \[\leadsto z + \left(\color{blue}{\left(y \cdot \left(y \cdot z\right)\right) \cdot -0.5} + x \cdot y\right) \]

      4. associate-*l* 98.1%

         \[\leadsto z + \left(\color{blue}{y \cdot \left(\left(y \cdot z\right) \cdot -0.5\right)} + x \cdot y\right) \]

      5. *-commutative 98.1%

         \[\leadsto z + \left(y \cdot \left(\left(y \cdot z\right) \cdot -0.5\right) + \color{blue}{y \cdot x}\right) \]

      6. distribute-lft-out 98.1%

         \[\leadsto z + \color{blue}{y \cdot \left(\left(y \cdot z\right) \cdot -0.5 + x\right)} \]

   6. Simplified 98.1%

      \[\leadsto \color{blue}{z + y \cdot \left(\left(y \cdot z\right) \cdot -0.5 + x\right)} \]
3. Recombined 3 regimes into one program.

4. Final simplification 80.1%

   \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -1.95 \cdot 10^{+114}:\\ \;\;\;\;x \cdot \sin y\\ \mathbf{elif}\;y \leq -0.062:\\ \;\;\;\;z \cdot \cos y\\ \mathbf{elif}\;y \leq 3600000000000:\\ \;\;\;\;z + y \cdot \left(x + \left(z \cdot y\right) \cdot -0.5\right)\\ \mathbf{elif}\;y \leq 6.6 \cdot 10^{+75}:\\ \;\;\;\;x \cdot \sin y\\ \mathbf{else}:\\ \;\;\;\;z \cdot \cos y\\ \end{array} \]

Alternative 4: 85.4% accurate, 1.9× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;z \leq -900000000 \lor \neg \left(z \leq 2.1 \cdot 10^{+136}\right):\\ \;\;\;\;z \cdot \cos y\\ \mathbf{else}:\\ \;\;\;\;z + x \cdot \sin y\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z)
 :precision binary64
 (if (or (<= z -900000000.0) (not (<= z 2.1e+136)))
   (* z (cos y))
   (+ z (* x (sin y)))))

C

double code(double x, double y, double z) {
	double tmp;
	if ((z <= -900000000.0) || !(z <= 2.1e+136)) {
		tmp = z * cos(y);
	} else {
		tmp = z + (x * sin(y));
	}
	return tmp;
}

Fortran

real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if ((z <= (-900000000.0d0)) .or. (.not. (z <= 2.1d+136))) then
        tmp = z * cos(y)
    else
        tmp = z + (x * sin(y))
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z) {
	double tmp;
	if ((z <= -900000000.0) || !(z <= 2.1e+136)) {
		tmp = z * Math.cos(y);
	} else {
		tmp = z + (x * Math.sin(y));
	}
	return tmp;
}

Python

def code(x, y, z):
	tmp = 0
	if (z <= -900000000.0) or not (z <= 2.1e+136):
		tmp = z * math.cos(y)
	else:
		tmp = z + (x * math.sin(y))
	return tmp

Julia

function code(x, y, z)
	tmp = 0.0
	if ((z <= -900000000.0) || !(z <= 2.1e+136))
		tmp = Float64(z * cos(y));
	else
		tmp = Float64(z + Float64(x * sin(y)));
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if ((z <= -900000000.0) || ~((z <= 2.1e+136)))
		tmp = z * cos(y);
	else
		tmp = z + (x * sin(y));
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_] := If[Or[LessEqual[z, -900000000.0], N[Not[LessEqual[z, 2.1e+136]], $MachinePrecision]], N[(z * N[Cos[y], $MachinePrecision]), $MachinePrecision], N[(z + N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if z < -9e8 or 2.0999999999999999e136 < z

   1. Initial program 99.8%

      \[x \cdot \sin y + z \cdot \cos y \]

   2. Taylor expanded in x around 0 87.0%

      \[\leadsto \color{blue}{z \cdot \cos y} \]

   if -9e8 < z < 2.0999999999999999e136

   1. Initial program 99.8%

      \[x \cdot \sin y + z \cdot \cos y \]

   2. Taylor expanded in y around 0 88.4%

      \[\leadsto x \cdot \sin y + \color{blue}{z} \]
3. Recombined 2 regimes into one program.

4. Final simplification 87.8%

   \[\leadsto \begin{array}{l} \mathbf{if}\;z \leq -900000000 \lor \neg \left(z \leq 2.1 \cdot 10^{+136}\right):\\ \;\;\;\;z \cdot \cos y\\ \mathbf{else}:\\ \;\;\;\;z + x \cdot \sin y\\ \end{array} \]

Alternative 5: 73.5% accurate, 1.9× speedup

Math

\[\begin{array}{l} \\ \begin{array}{l} \mathbf{if}\;y \leq -3100000000000 \lor \neg \left(y \leq 3600000000000\right):\\ \;\;\;\;x \cdot \sin y\\ \mathbf{else}:\\ \;\;\;\;z + y \cdot \left(x + \left(z \cdot y\right) \cdot -0.5\right)\\ \end{array} \end{array} \]

FPCore

(FPCore (x y z)
 :precision binary64
 (if (or (<= y -3100000000000.0) (not (<= y 3600000000000.0)))
   (* x (sin y))
   (+ z (* y (+ x (* (* z y) -0.5))))))

C

double code(double x, double y, double z) {
	double tmp;
	if ((y <= -3100000000000.0) || !(y <= 3600000000000.0)) {
		tmp = x * sin(y);
	} else {
		tmp = z + (y * (x + ((z * y) * -0.5)));
	}
	return tmp;
}

Fortran

real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    real(8) :: tmp
    if ((y <= (-3100000000000.0d0)) .or. (.not. (y <= 3600000000000.0d0))) then
        tmp = x * sin(y)
    else
        tmp = z + (y * (x + ((z * y) * (-0.5d0))))
    end if
    code = tmp
end function

Java

public static double code(double x, double y, double z) {
	double tmp;
	if ((y <= -3100000000000.0) || !(y <= 3600000000000.0)) {
		tmp = x * Math.sin(y);
	} else {
		tmp = z + (y * (x + ((z * y) * -0.5)));
	}
	return tmp;
}

Python

def code(x, y, z):
	tmp = 0
	if (y <= -3100000000000.0) or not (y <= 3600000000000.0):
		tmp = x * math.sin(y)
	else:
		tmp = z + (y * (x + ((z * y) * -0.5)))
	return tmp

Julia

function code(x, y, z)
	tmp = 0.0
	if ((y <= -3100000000000.0) || !(y <= 3600000000000.0))
		tmp = Float64(x * sin(y));
	else
		tmp = Float64(z + Float64(y * Float64(x + Float64(Float64(z * y) * -0.5))));
	end
	return tmp
end

MATLAB

function tmp_2 = code(x, y, z)
	tmp = 0.0;
	if ((y <= -3100000000000.0) || ~((y <= 3600000000000.0)))
		tmp = x * sin(y);
	else
		tmp = z + (y * (x + ((z * y) * -0.5)));
	end
	tmp_2 = tmp;
end

Wolfram

code[x_, y_, z_] := If[Or[LessEqual[y, -3100000000000.0], N[Not[LessEqual[y, 3600000000000.0]], $MachinePrecision]], N[(x * N[Sin[y], $MachinePrecision]), $MachinePrecision], N[(z + N[(y * N[(x + N[(N[(z * y), $MachinePrecision] * -0.5), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]]

Derivation

1. Split input into 2 regimes

2. if y < -3.1e12 or 3.6e12 < y

   1. Initial program 99.6%

      \[x \cdot \sin y + z \cdot \cos y \]

   2. Taylor expanded in x around inf 54.9%

      \[\leadsto \color{blue}{x \cdot \sin y} \]

   if -3.1e12 < y < 3.6e12

   1. Initial program 100.0%

      \[x \cdot \sin y + z \cdot \cos y \]
   2. Step-by-step derivation

      1. +-commutative 100.0%

         \[\leadsto \color{blue}{z \cdot \cos y + x \cdot \sin y} \]

      2. *-commutative 100.0%

         \[\leadsto \color{blue}{\cos y \cdot z} + x \cdot \sin y \]

      3. add-sqr-sqrt 59.5%

         \[\leadsto \cos y \cdot \color{blue}{\left(\sqrt{z} \cdot \sqrt{z}\right)} + x \cdot \sin y \]

      4. associate-*r* 59.5%

         \[\leadsto \color{blue}{\left(\cos y \cdot \sqrt{z}\right) \cdot \sqrt{z}} + x \cdot \sin y \]

      5. fma-def 59.5%

         \[\leadsto \color{blue}{\mathsf{fma}\left(\cos y \cdot \sqrt{z}, \sqrt{z}, x \cdot \sin y\right)} \]

   3. Applied egg-rr 59.5%

      \[\leadsto \color{blue}{\mathsf{fma}\left(\cos y \cdot \sqrt{z}, \sqrt{z}, x \cdot \sin y\right)} \]

   4. Taylor expanded in y around 0 96.1%

      \[\leadsto \color{blue}{z + \left(-0.5 \cdot \left({y}^{2} \cdot z\right) + x \cdot y\right)} \]
   5. Step-by-step derivation

      1. unpow2 96.1%

         \[\leadsto z + \left(-0.5 \cdot \left(\color{blue}{\left(y \cdot y\right)} \cdot z\right) + x \cdot y\right) \]

      2. associate-*r* 96.1%

         \[\leadsto z + \left(-0.5 \cdot \color{blue}{\left(y \cdot \left(y \cdot z\right)\right)} + x \cdot y\right) \]

      3. *-commutative 96.1%

         \[\leadsto z + \left(\color{blue}{\left(y \cdot \left(y \cdot z\right)\right) \cdot -0.5} + x \cdot y\right) \]

      4. associate-*l* 96.1%

         \[\leadsto z + \left(\color{blue}{y \cdot \left(\left(y \cdot z\right) \cdot -0.5\right)} + x \cdot y\right) \]

      5. *-commutative 96.1%

         \[\leadsto z + \left(y \cdot \left(\left(y \cdot z\right) \cdot -0.5\right) + \color{blue}{y \cdot x}\right) \]

      6. distribute-lft-out 96.1%

         \[\leadsto z + \color{blue}{y \cdot \left(\left(y \cdot z\right) \cdot -0.5 + x\right)} \]

   6. Simplified 96.1%

      \[\leadsto \color{blue}{z + y \cdot \left(\left(y \cdot z\right) \cdot -0.5 + x\right)} \]
3. Recombined 2 regimes into one program.

4. Final simplification 76.1%

   \[\leadsto \begin{array}{l} \mathbf{if}\;y \leq -3100000000000 \lor \neg \left(y \leq 3600000000000\right):\\ \;\;\;\;x \cdot \sin y\\ \mathbf{else}:\\ \;\;\;\;z + y \cdot \left(x + \left(z \cdot y\right) \cdot -0.5\right)\\ \end{array} \]

Alternative 6: 52.4% accurate, 41.4× speedup

Math

\[\begin{array}{l} \\ z + y \cdot x \end{array} \]

FPCore

(FPCore (x y z) :precision binary64 (+ z (* y x)))

C

double code(double x, double y, double z) {
	return z + (y * x);
}

Fortran

real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    code = z + (y * x)
end function

Java

public static double code(double x, double y, double z) {
	return z + (y * x);
}

Python

def code(x, y, z):
	return z + (y * x)

Julia

function code(x, y, z)
	return Float64(z + Float64(y * x))
end

MATLAB

function tmp = code(x, y, z)
	tmp = z + (y * x);
end

Wolfram

code[x_, y_, z_] := N[(z + N[(y * x), $MachinePrecision]), $MachinePrecision]

Derivation

1. Initial program 99.8%

   \[x \cdot \sin y + z \cdot \cos y \]

2. Taylor expanded in y around 0 51.4%

   \[\leadsto \color{blue}{z + x \cdot y} \]
3. Step-by-step derivation

   1. *-commutative 51.4%

      \[\leadsto z + \color{blue}{y \cdot x} \]

4. Simplified 51.4%

   \[\leadsto \color{blue}{z + y \cdot x} \]

5. Final simplification 51.4%

   \[\leadsto z + y \cdot x \]

Reproduce

herbie shell --seed 2023297 
(FPCore (x y z)
  :name "Diagrams.ThreeD.Transform:aboutX from diagrams-lib-1.3.0.3, B"
  :precision binary64
  (+ (* x (sin y)) (* z (cos y))))