
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_1) (* t_0 t_2))))
(t_7 (/ t_4 t_6))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_5 (floor maxAniso)) (/ t_6 t_5)))
(t_10 (if t_8 (floor maxAniso) t_7)))
(if (< t_9 1.0) (fmax 1.0 (* t_10 t_9)) t_10)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_1) - (t_0 * t_2)));
float t_7 = t_4 / t_6;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
float t_9 = tmp;
float tmp_1;
if (t_8) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_7;
}
float t_10 = tmp_1;
float tmp_2;
if (t_9 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_10 * t_9));
} else {
tmp_2 = t_10;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) : ((Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) != Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_1) - Float32(t_0 * t_2))) t_7 = Float32(t_4 / t_6) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end t_9 = tmp tmp_1 = Float32(0.0) if (t_8) tmp_1 = floor(maxAniso); else tmp_1 = t_7; end t_10 = tmp_1 tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_10 * t_9) : ((Float32(t_10 * t_9) != Float32(t_10 * t_9)) ? Float32(1.0) : max(Float32(1.0), Float32(t_10 * t_9))); else tmp_2 = t_10; end return tmp_2 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_1) - (t_0 * t_2))); t_7 = t_4 / t_6; t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end t_9 = tmp; tmp_2 = single(0.0); if (t_8) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end t_10 = tmp_2; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_3 = max(single(1.0), (t_10 * t_9)); else tmp_3 = t_10; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_2 \cdot t\_2 + t\_1 \cdot t\_1\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_1 - t\_0 \cdot t\_2\right|\\
t_7 := \frac{t\_4}{t\_6}\\
t_8 := t\_7 > \left\lfloormaxAniso\right\rfloor\\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{if}\;t\_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot t\_9\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 4 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_1) (* t_0 t_2))))
(t_7 (/ t_4 t_6))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_5 (floor maxAniso)) (/ t_6 t_5)))
(t_10 (if t_8 (floor maxAniso) t_7)))
(if (< t_9 1.0) (fmax 1.0 (* t_10 t_9)) t_10)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_1) - (t_0 * t_2)));
float t_7 = t_4 / t_6;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
float t_9 = tmp;
float tmp_1;
if (t_8) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_7;
}
float t_10 = tmp_1;
float tmp_2;
if (t_9 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_10 * t_9));
} else {
tmp_2 = t_10;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) : ((Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) != Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_1) - Float32(t_0 * t_2))) t_7 = Float32(t_4 / t_6) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end t_9 = tmp tmp_1 = Float32(0.0) if (t_8) tmp_1 = floor(maxAniso); else tmp_1 = t_7; end t_10 = tmp_1 tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_10 * t_9) : ((Float32(t_10 * t_9) != Float32(t_10 * t_9)) ? Float32(1.0) : max(Float32(1.0), Float32(t_10 * t_9))); else tmp_2 = t_10; end return tmp_2 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_1) - (t_0 * t_2))); t_7 = t_4 / t_6; t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end t_9 = tmp; tmp_2 = single(0.0); if (t_8) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end t_10 = tmp_2; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_3 = max(single(1.0), (t_10 * t_9)); else tmp_3 = t_10; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_2 \cdot t\_2 + t\_1 \cdot t\_1\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_1 - t\_0 \cdot t\_2\right|\\
t_7 := \frac{t\_4}{t\_6}\\
t_8 := t\_7 > \left\lfloormaxAniso\right\rfloor\\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{if}\;t\_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot t\_9\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs
(*
(floor w)
(fma dY.v (* dX.u (floor h)) (* (* dX.v (floor h)) (- dY.u))))))
(t_1 (* (floor h) (floor h)))
(t_2
(fmax
(fma (floor w) (* (floor w) (* dX.u dX.u)) (* dX.v (* dX.v t_1)))
(fma (floor w) (* (floor w) (* dY.u dY.u)) (* t_1 (* dY.v dY.v)))))
(t_3 (/ t_2 t_0))
(t_4 (> t_3 (floor maxAniso)))
(t_5 (if t_4 (floor maxAniso) t_3))
(t_6 (sqrt t_2))
(t_7 (if t_4 (/ t_6 (floor maxAniso)) (/ t_0 t_6))))
(if (< t_7 1.0) (fmax 1.0 (* t_7 t_5)) t_5)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = fabsf((floorf(w) * fmaf(dY_46_v, (dX_46_u * floorf(h)), ((dX_46_v * floorf(h)) * -dY_46_u))));
float t_1 = floorf(h) * floorf(h);
float t_2 = fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (dX_46_v * (dX_46_v * t_1))), fmaf(floorf(w), (floorf(w) * (dY_46_u * dY_46_u)), (t_1 * (dY_46_v * dY_46_v))));
float t_3 = t_2 / t_0;
int t_4 = t_3 > floorf(maxAniso);
float tmp;
if (t_4) {
tmp = floorf(maxAniso);
} else {
tmp = t_3;
}
float t_5 = tmp;
float t_6 = sqrtf(t_2);
float tmp_1;
if (t_4) {
tmp_1 = t_6 / floorf(maxAniso);
} else {
tmp_1 = t_0 / t_6;
}
float t_7 = tmp_1;
float tmp_2;
if (t_7 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_7 * t_5));
} else {
tmp_2 = t_5;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(floor(w) * fma(dY_46_v, Float32(dX_46_u * floor(h)), Float32(Float32(dX_46_v * floor(h)) * Float32(-dY_46_u))))) t_1 = Float32(floor(h) * floor(h)) t_2 = (fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(dX_46_v * Float32(dX_46_v * t_1))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(dX_46_v * Float32(dX_46_v * t_1)))) ? fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(t_1 * Float32(dY_46_v * dY_46_v))) : ((fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(t_1 * Float32(dY_46_v * dY_46_v))) != fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(t_1 * Float32(dY_46_v * dY_46_v)))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(dX_46_v * Float32(dX_46_v * t_1))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(dX_46_v * Float32(dX_46_v * t_1))), fma(floor(w), Float32(floor(w) * Float32(dY_46_u * dY_46_u)), Float32(t_1 * Float32(dY_46_v * dY_46_v))))) t_3 = Float32(t_2 / t_0) t_4 = t_3 > floor(maxAniso) tmp = Float32(0.0) if (t_4) tmp = floor(maxAniso); else tmp = t_3; end t_5 = tmp t_6 = sqrt(t_2) tmp_1 = Float32(0.0) if (t_4) tmp_1 = Float32(t_6 / floor(maxAniso)); else tmp_1 = Float32(t_0 / t_6); end t_7 = tmp_1 tmp_2 = Float32(0.0) if (t_7 < Float32(1.0)) tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_7 * t_5) : ((Float32(t_7 * t_5) != Float32(t_7 * t_5)) ? Float32(1.0) : max(Float32(1.0), Float32(t_7 * t_5))); else tmp_2 = t_5; end return tmp_2 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left\lfloorw\right\rfloor \cdot \mathsf{fma}\left(dY.v, dX.u \cdot \left\lfloorh\right\rfloor, \left(dX.v \cdot \left\lfloorh\right\rfloor\right) \cdot \left(-dY.u\right)\right)\right|\\
t_1 := \left\lfloorh\right\rfloor \cdot \left\lfloorh\right\rfloor\\
t_2 := \mathsf{max}\left(\mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot dX.u\right), dX.v \cdot \left(dX.v \cdot t\_1\right)\right), \mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dY.u \cdot dY.u\right), t\_1 \cdot \left(dY.v \cdot dY.v\right)\right)\right)\\
t_3 := \frac{t\_2}{t\_0}\\
t_4 := t\_3 > \left\lfloormaxAniso\right\rfloor\\
t_5 := \begin{array}{l}
\mathbf{if}\;t\_4:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t\_3\\
\end{array}\\
t_6 := \sqrt{t\_2}\\
t_7 := \begin{array}{l}
\mathbf{if}\;t\_4:\\
\;\;\;\;\frac{t\_6}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_6}\\
\end{array}\\
\mathbf{if}\;t\_7 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_7 \cdot t\_5\right)\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
Initial program 97.6%
Simplified97.6%
Final simplification97.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (fabs (- (* t_2 t_3) (* t_1 t_0))))
(t_5 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_6 (sqrt t_5))
(t_7 (/ t_6 (floor maxAniso)))
(t_8 (> (/ t_5 t_4) (floor maxAniso)))
(t_9 (fmax (pow (hypot t_3 t_0) 2.0) (pow (hypot t_1 t_2) 2.0)))
(t_10
(/
t_9
(fabs (* (* (floor w) (floor h)) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_11 (> t_10 (floor maxAniso)))
(t_12 (/ t_4 t_6)))
(if (< (if t_11 t_7 t_12) 1.0)
(fmax 1.0 (* (if t_11 (floor maxAniso) t_10) (if t_8 t_7 t_12)))
(if t_8
(floor maxAniso)
(*
t_9
(/
1.0
(fabs (- (* (floor w) (* dX.u t_2)) (* (floor h) (* dX.v t_1))))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dX_46_v * floorf(h);
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fabsf(((t_2 * t_3) - (t_1 * t_0)));
float t_5 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_6 = sqrtf(t_5);
float t_7 = t_6 / floorf(maxAniso);
int t_8 = (t_5 / t_4) > floorf(maxAniso);
float t_9 = fmaxf(powf(hypotf(t_3, t_0), 2.0f), powf(hypotf(t_1, t_2), 2.0f));
float t_10 = t_9 / fabsf(((floorf(w) * floorf(h)) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))));
int t_11 = t_10 > floorf(maxAniso);
float t_12 = t_4 / t_6;
float tmp;
if (t_11) {
tmp = t_7;
} else {
tmp = t_12;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_11) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_10;
}
float tmp_5;
if (t_8) {
tmp_5 = t_7;
} else {
tmp_5 = t_12;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_8) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_9 * (1.0f / fabsf(((floorf(w) * (dX_46_u * t_2)) - (floorf(h) * (dX_46_v * t_1)))));
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_v * floor(h)) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = abs(Float32(Float32(t_2 * t_3) - Float32(t_1 * t_0))) t_5 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)))) t_6 = sqrt(t_5) t_7 = Float32(t_6 / floor(maxAniso)) t_8 = Float32(t_5 / t_4) > floor(maxAniso) t_9 = ((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? (hypot(t_1, t_2) ^ Float32(2.0)) : (((hypot(t_1, t_2) ^ Float32(2.0)) != (hypot(t_1, t_2) ^ Float32(2.0))) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), (hypot(t_1, t_2) ^ Float32(2.0)))) t_10 = Float32(t_9 / abs(Float32(Float32(floor(w) * floor(h)) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_11 = t_10 > floor(maxAniso) t_12 = Float32(t_4 / t_6) tmp = Float32(0.0) if (t_11) tmp = t_7; else tmp = t_12; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_11) tmp_4 = floor(maxAniso); else tmp_4 = t_10; end tmp_5 = Float32(0.0) if (t_8) tmp_5 = t_7; else tmp_5 = t_12; end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_8) tmp_3 = floor(maxAniso); else tmp_3 = Float32(t_9 * Float32(Float32(1.0) / abs(Float32(Float32(floor(w) * Float32(dX_46_u * t_2)) - Float32(floor(h) * Float32(dX_46_v * t_1)))))); end return tmp_3 end
function tmp_7 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = dX_46_v * floor(h); t_1 = floor(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = abs(((t_2 * t_3) - (t_1 * t_0))); t_5 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))); t_6 = sqrt(t_5); t_7 = t_6 / floor(maxAniso); t_8 = (t_5 / t_4) > floor(maxAniso); t_9 = max((hypot(t_3, t_0) ^ single(2.0)), (hypot(t_1, t_2) ^ single(2.0))); t_10 = t_9 / abs(((floor(w) * floor(h)) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))); t_11 = t_10 > floor(maxAniso); t_12 = t_4 / t_6; tmp = single(0.0); if (t_11) tmp = t_7; else tmp = t_12; end tmp_4 = single(0.0); if (tmp < single(1.0)) tmp_5 = single(0.0); if (t_11) tmp_5 = floor(maxAniso); else tmp_5 = t_10; end tmp_6 = single(0.0); if (t_8) tmp_6 = t_7; else tmp_6 = t_12; end tmp_4 = max(single(1.0), (tmp_5 * tmp_6)); elseif (t_8) tmp_4 = floor(maxAniso); else tmp_4 = t_9 * (single(1.0) / abs(((floor(w) * (dX_46_u * t_2)) - (floor(h) * (dX_46_v * t_1))))); end tmp_7 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \left|t\_2 \cdot t\_3 - t\_1 \cdot t\_0\right|\\
t_5 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_6 := \sqrt{t\_5}\\
t_7 := \frac{t\_6}{\left\lfloormaxAniso\right\rfloor}\\
t_8 := \frac{t\_5}{t\_4} > \left\lfloormaxAniso\right\rfloor\\
t_9 := \mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_1, t\_2\right)\right)}^{2}\right)\\
t_10 := \frac{t\_9}{\left|\left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right|}\\
t_11 := t\_10 > \left\lfloormaxAniso\right\rfloor\\
t_12 := \frac{t\_4}{t\_6}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_11:\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_12\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_11:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_12\\
\end{array}\right)\\
\mathbf{elif}\;t\_8:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t\_9 \cdot \frac{1}{\left|\left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_2\right) - \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t\_1\right)\right|}\\
\end{array}
\end{array}
Initial program 97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
div-inv97.6%
Applied egg-rr97.6%
Final simplification97.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) (floor h)))
(t_2 (pow (floor w) 2.0))
(t_3 (* dX.v (floor h)))
(t_4 (pow (floor h) 2.0))
(t_5 (* (floor w) dY.u))
(t_6 (* (floor w) dX.u))
(t_7 (fmax (+ (* t_6 t_6) (* t_3 t_3)) (+ (* t_5 t_5) (* t_0 t_0))))
(t_8 (sqrt t_7))
(t_9 (/ t_8 (floor maxAniso)))
(t_10
(/
(fmax (pow (hypot t_6 t_3) 2.0) (pow (hypot t_5 t_0) 2.0))
(fabs (* t_1 (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_11 (fabs (- (* t_0 t_6) (* t_5 t_3))))
(t_12 (> (/ t_7 t_11) (floor maxAniso)))
(t_13 (> t_10 (floor maxAniso)))
(t_14 (/ t_11 t_8)))
(if (< (if t_13 t_9 t_14) 1.0)
(fmax 1.0 (* (if t_13 (floor maxAniso) t_10) (if t_12 t_9 t_14)))
(if t_12
(floor maxAniso)
(/
(fmax
(fma (pow dX.u 2.0) t_2 (* (pow dX.v 2.0) t_4))
(fma (pow dY.u 2.0) t_2 (* t_4 (pow dY.v 2.0))))
(fabs (- (* dX.u (* dY.v t_1)) (* dX.v (* dY.u t_1)))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(w) * floorf(h);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = dX_46_v * floorf(h);
float t_4 = powf(floorf(h), 2.0f);
float t_5 = floorf(w) * dY_46_u;
float t_6 = floorf(w) * dX_46_u;
float t_7 = fmaxf(((t_6 * t_6) + (t_3 * t_3)), ((t_5 * t_5) + (t_0 * t_0)));
float t_8 = sqrtf(t_7);
float t_9 = t_8 / floorf(maxAniso);
float t_10 = fmaxf(powf(hypotf(t_6, t_3), 2.0f), powf(hypotf(t_5, t_0), 2.0f)) / fabsf((t_1 * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))));
float t_11 = fabsf(((t_0 * t_6) - (t_5 * t_3)));
int t_12 = (t_7 / t_11) > floorf(maxAniso);
int t_13 = t_10 > floorf(maxAniso);
float t_14 = t_11 / t_8;
float tmp;
if (t_13) {
tmp = t_9;
} else {
tmp = t_14;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_13) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_10;
}
float tmp_5;
if (t_12) {
tmp_5 = t_9;
} else {
tmp_5 = t_14;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_12) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = fmaxf(fmaf(powf(dX_46_u, 2.0f), t_2, (powf(dX_46_v, 2.0f) * t_4)), fmaf(powf(dY_46_u, 2.0f), t_2, (t_4 * powf(dY_46_v, 2.0f)))) / fabsf(((dX_46_u * (dY_46_v * t_1)) - (dX_46_v * (dY_46_u * t_1))));
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(w) * floor(h)) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(dX_46_v * floor(h)) t_4 = floor(h) ^ Float32(2.0) t_5 = Float32(floor(w) * dY_46_u) t_6 = Float32(floor(w) * dX_46_u) t_7 = (Float32(Float32(t_6 * t_6) + Float32(t_3 * t_3)) != Float32(Float32(t_6 * t_6) + Float32(t_3 * t_3))) ? Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)) : ((Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)) != Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0))) ? Float32(Float32(t_6 * t_6) + Float32(t_3 * t_3)) : max(Float32(Float32(t_6 * t_6) + Float32(t_3 * t_3)), Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)))) t_8 = sqrt(t_7) t_9 = Float32(t_8 / floor(maxAniso)) t_10 = Float32((((hypot(t_6, t_3) ^ Float32(2.0)) != (hypot(t_6, t_3) ^ Float32(2.0))) ? (hypot(t_5, t_0) ^ Float32(2.0)) : (((hypot(t_5, t_0) ^ Float32(2.0)) != (hypot(t_5, t_0) ^ Float32(2.0))) ? (hypot(t_6, t_3) ^ Float32(2.0)) : max((hypot(t_6, t_3) ^ Float32(2.0)), (hypot(t_5, t_0) ^ Float32(2.0))))) / abs(Float32(t_1 * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_11 = abs(Float32(Float32(t_0 * t_6) - Float32(t_5 * t_3))) t_12 = Float32(t_7 / t_11) > floor(maxAniso) t_13 = t_10 > floor(maxAniso) t_14 = Float32(t_11 / t_8) tmp = Float32(0.0) if (t_13) tmp = t_9; else tmp = t_14; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_13) tmp_4 = floor(maxAniso); else tmp_4 = t_10; end tmp_5 = Float32(0.0) if (t_12) tmp_5 = t_9; else tmp_5 = t_14; end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_12) tmp_3 = floor(maxAniso); else tmp_3 = Float32(((fma((dX_46_u ^ Float32(2.0)), t_2, Float32((dX_46_v ^ Float32(2.0)) * t_4)) != fma((dX_46_u ^ Float32(2.0)), t_2, Float32((dX_46_v ^ Float32(2.0)) * t_4))) ? fma((dY_46_u ^ Float32(2.0)), t_2, Float32(t_4 * (dY_46_v ^ Float32(2.0)))) : ((fma((dY_46_u ^ Float32(2.0)), t_2, Float32(t_4 * (dY_46_v ^ Float32(2.0)))) != fma((dY_46_u ^ Float32(2.0)), t_2, Float32(t_4 * (dY_46_v ^ Float32(2.0))))) ? fma((dX_46_u ^ Float32(2.0)), t_2, Float32((dX_46_v ^ Float32(2.0)) * t_4)) : max(fma((dX_46_u ^ Float32(2.0)), t_2, Float32((dX_46_v ^ Float32(2.0)) * t_4)), fma((dY_46_u ^ Float32(2.0)), t_2, Float32(t_4 * (dY_46_v ^ Float32(2.0))))))) / abs(Float32(Float32(dX_46_u * Float32(dY_46_v * t_1)) - Float32(dX_46_v * Float32(dY_46_u * t_1))))); end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\\
t_2 := {\left(\left\lfloorw\right\rfloor\right)}^{2}\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_4 := {\left(\left\lfloorh\right\rfloor\right)}^{2}\\
t_5 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_6 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_7 := \mathsf{max}\left(t\_6 \cdot t\_6 + t\_3 \cdot t\_3, t\_5 \cdot t\_5 + t\_0 \cdot t\_0\right)\\
t_8 := \sqrt{t\_7}\\
t_9 := \frac{t\_8}{\left\lfloormaxAniso\right\rfloor}\\
t_10 := \frac{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_6, t\_3\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_5, t\_0\right)\right)}^{2}\right)}{\left|t\_1 \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right|}\\
t_11 := \left|t\_0 \cdot t\_6 - t\_5 \cdot t\_3\right|\\
t_12 := \frac{t\_7}{t\_11} > \left\lfloormaxAniso\right\rfloor\\
t_13 := t\_10 > \left\lfloormaxAniso\right\rfloor\\
t_14 := \frac{t\_11}{t\_8}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_13:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_14\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_13:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_12:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_14\\
\end{array}\right)\\
\mathbf{elif}\;t\_12:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left({dX.u}^{2}, t\_2, {dX.v}^{2} \cdot t\_4\right), \mathsf{fma}\left({dY.u}^{2}, t\_2, t\_4 \cdot {dY.v}^{2}\right)\right)}{\left|dX.u \cdot \left(dY.v \cdot t\_1\right) - dX.v \cdot \left(dY.u \cdot t\_1\right)\right|}\\
\end{array}
\end{array}
Initial program 97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Final simplification97.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor w) dY.u))
(t_4 (fabs (- (* t_1 t_2) (* t_3 t_0))))
(t_5 (fmax (+ (* t_2 t_2) (* t_0 t_0)) (+ (* t_3 t_3) (* t_1 t_1))))
(t_6 (sqrt t_5))
(t_7
(/
(fmax (pow (hypot t_2 t_0) 2.0) (pow (hypot t_3 t_1) 2.0))
(fabs (* (* (floor w) (floor h)) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_6 (floor maxAniso)) (/ t_4 t_6)))
(t_10 (/ t_5 t_4)))
(if (< t_9 1.0)
(fmax 1.0 (* t_9 (if t_8 (floor maxAniso) t_7)))
(if (> t_10 (floor maxAniso)) (floor maxAniso) t_10))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dX_46_v * floorf(h);
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(w) * dY_46_u;
float t_4 = fabsf(((t_1 * t_2) - (t_3 * t_0)));
float t_5 = fmaxf(((t_2 * t_2) + (t_0 * t_0)), ((t_3 * t_3) + (t_1 * t_1)));
float t_6 = sqrtf(t_5);
float t_7 = fmaxf(powf(hypotf(t_2, t_0), 2.0f), powf(hypotf(t_3, t_1), 2.0f)) / fabsf(((floorf(w) * floorf(h)) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u))));
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_6 / floorf(maxAniso);
} else {
tmp = t_4 / t_6;
}
float t_9 = tmp;
float t_10 = t_5 / t_4;
float tmp_2;
if (t_9 < 1.0f) {
float tmp_3;
if (t_8) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_7;
}
tmp_2 = fmaxf(1.0f, (t_9 * tmp_3));
} else if (t_10 > floorf(maxAniso)) {
tmp_2 = floorf(maxAniso);
} else {
tmp_2 = t_10;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_v * floor(h)) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(w) * dY_46_u) t_4 = abs(Float32(Float32(t_1 * t_2) - Float32(t_3 * t_0))) t_5 = (Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) != Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0))) ? Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) : ((Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)) != Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1))) ? Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) : max(Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)), Float32(Float32(t_3 * t_3) + Float32(t_1 * t_1)))) t_6 = sqrt(t_5) t_7 = Float32((((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? (hypot(t_3, t_1) ^ Float32(2.0)) : (((hypot(t_3, t_1) ^ Float32(2.0)) != (hypot(t_3, t_1) ^ Float32(2.0))) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), (hypot(t_3, t_1) ^ Float32(2.0))))) / abs(Float32(Float32(floor(w) * floor(h)) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_6 / floor(maxAniso)); else tmp = Float32(t_4 / t_6); end t_9 = tmp t_10 = Float32(t_5 / t_4) tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_3 = Float32(0.0) if (t_8) tmp_3 = floor(maxAniso); else tmp_3 = t_7; end tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_9 * tmp_3) : ((Float32(t_9 * tmp_3) != Float32(t_9 * tmp_3)) ? Float32(1.0) : max(Float32(1.0), Float32(t_9 * tmp_3))); elseif (t_10 > floor(maxAniso)) tmp_2 = floor(maxAniso); else tmp_2 = t_10; end return tmp_2 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = dX_46_v * floor(h); t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dX_46_u; t_3 = floor(w) * dY_46_u; t_4 = abs(((t_1 * t_2) - (t_3 * t_0))); t_5 = max(((t_2 * t_2) + (t_0 * t_0)), ((t_3 * t_3) + (t_1 * t_1))); t_6 = sqrt(t_5); t_7 = max((hypot(t_2, t_0) ^ single(2.0)), (hypot(t_3, t_1) ^ single(2.0))) / abs(((floor(w) * floor(h)) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))); t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_6 / floor(maxAniso); else tmp = t_4 / t_6; end t_9 = tmp; t_10 = t_5 / t_4; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_4 = single(0.0); if (t_8) tmp_4 = floor(maxAniso); else tmp_4 = t_7; end tmp_3 = max(single(1.0), (t_9 * tmp_4)); elseif (t_10 > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_10; end tmp_5 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_4 := \left|t\_1 \cdot t\_2 - t\_3 \cdot t\_0\right|\\
t_5 := \mathsf{max}\left(t\_2 \cdot t\_2 + t\_0 \cdot t\_0, t\_3 \cdot t\_3 + t\_1 \cdot t\_1\right)\\
t_6 := \sqrt{t\_5}\\
t_7 := \frac{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_3, t\_1\right)\right)}^{2}\right)}{\left|\left(\left\lfloorw\right\rfloor \cdot \left\lfloorh\right\rfloor\right) \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right|}\\
t_8 := t\_7 > \left\lfloormaxAniso\right\rfloor\\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_6}{\left\lfloormaxAniso\right\rfloor}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{t\_6}\\
\end{array}\\
t_10 := \frac{t\_5}{t\_4}\\
\mathbf{if}\;t\_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_9 \cdot \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\right)\\
\mathbf{elif}\;t\_10 > \left\lfloormaxAniso\right\rfloor:\\
\;\;\;\;\left\lfloormaxAniso\right\rfloor\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Initial program 97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Taylor expanded in w around 0 97.6%
Simplified97.6%
Final simplification97.6%
herbie shell --seed 2024059
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (ratio of anisotropy)"
:precision binary32
:pre (and (and (and (and (and (and (and (<= 1.0 w) (<= w 16384.0)) (and (<= 1.0 h) (<= h 16384.0))) (and (<= 1e-20 (fabs dX.u)) (<= (fabs dX.u) 1e+20))) (and (<= 1e-20 (fabs dX.v)) (<= (fabs dX.v) 1e+20))) (and (<= 1e-20 (fabs dY.u)) (<= (fabs dY.u) 1e+20))) (and (<= 1e-20 (fabs dY.v)) (<= (fabs dY.v) 1e+20))) (== maxAniso 16.0))
(if (< (if (> (/ (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))) (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u))))) (floor maxAniso)) (/ (sqrt (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v))))) (floor maxAniso)) (/ (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u)))) (sqrt (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v))))))) 1.0) (fmax 1.0 (* (if (> (/ (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))) (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u))))) (floor maxAniso)) (floor maxAniso) (/ (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))) (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u)))))) (if (> (/ (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))) (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u))))) (floor maxAniso)) (/ (sqrt (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v))))) (floor maxAniso)) (/ (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u)))) (sqrt (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v))))))))) (if (> (/ (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))) (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u))))) (floor maxAniso)) (floor maxAniso) (/ (fmax (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v)))) (fabs (- (* (* (floor w) dX.u) (* (floor h) dY.v)) (* (* (floor h) dX.v) (* (floor w) dY.u))))))))