
(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 = fmax(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 = fmax(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\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\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\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\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 8 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 = fmax(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 = fmax(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\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\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\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\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 (* (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_0 t_2) (* t_3 t_1))))
(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))))
(if (< t_9 1.0)
(fmax 1.0 (* (if t_8 (floor maxAniso) t_7) t_9))
(if (>
(/
t_4
(fabs
(fma
(* (* dY.v (floor h)) (floor w))
dX.u
(* (* (- dY.u) (floor w)) (* dX.v (floor h))))))
(floor maxAniso))
(floor maxAniso)
t_7))))
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_0 * t_2) - (t_3 * t_1)));
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_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, (tmp_3 * t_9));
} else if ((t_4 / fabsf(fmaf(((dY_46_v * floorf(h)) * floorf(w)), dX_46_u, ((-dY_46_u * floorf(w)) * (dX_46_v * floorf(h)))))) > floorf(maxAniso)) {
tmp_2 = floorf(maxAniso);
} else {
tmp_2 = t_7;
}
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 = fmax(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_0 * t_2) - Float32(t_3 * t_1))) 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_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 = fmax(Float32(1.0), Float32(tmp_3 * t_9)); elseif (Float32(t_4 / abs(fma(Float32(Float32(dY_46_v * floor(h)) * floor(w)), dX_46_u, Float32(Float32(Float32(-dY_46_u) * floor(w)) * Float32(dX_46_v * floor(h)))))) > floor(maxAniso)) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end return tmp_2 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\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\_0 \cdot t\_2 - t\_3 \cdot t\_1\right|\\
t_7 := \frac{t\_4}{t\_6}\\
t_8 := t\_7 > \left\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
\mathbf{if}\;t\_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array} \cdot t\_9\right)\\
\mathbf{elif}\;\frac{t\_4}{\left|\mathsf{fma}\left(\left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor w\right\rfloor , dX.u, \left(\left(-dY.u\right) \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dX.v \cdot \left\lfloor h\right\rfloor \right)\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}
\end{array}
Initial program 96.9%
lift--.f32N/A
lift-*.f32N/A
*-commutativeN/A
fp-cancel-sub-sign-invN/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
associate-*r*N/A
lower-fma.f32N/A
lower-*.f32N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f32N/A
Applied rewrites97.5%
Final simplification97.5%
(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_0 t_2) (* t_3 t_1))))
(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_0 * t_2) - (t_3 * t_1)));
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 = fmax(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_0 * t_2) - Float32(t_3 * t_1))) 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 = fmax(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_0 * t_2) - (t_3 * t_1))); 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\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\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\_0 \cdot t\_2 - t\_3 \cdot t\_1\right|\\
t_7 := \frac{t\_4}{t\_6}\\
t_8 := t\_7 > \left\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\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}
Initial program 96.9%
Final simplification96.9%
(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 (pow (floor h) 2.0))
(t_3 (* t_2 dX.v))
(t_4 (* (floor w) dY.u))
(t_5 (pow (floor w) 2.0))
(t_6 (* t_5 dX.u))
(t_7 (* t_5 dY.u))
(t_8 (* t_2 dY.v))
(t_9 (* (floor w) dX.u))
(t_10 (fmax (+ (* t_9 t_9) (* t_0 t_0)) (+ (* t_4 t_4) (* t_1 t_1))))
(t_11 (sqrt t_10))
(t_12 (/ t_11 (floor maxAniso)))
(t_13 (fabs (- (* t_0 t_4) (* t_9 t_1))))
(t_14 (/ t_10 t_13))
(t_15 (> t_14 (floor maxAniso))))
(if (< (if t_15 t_12 (/ t_13 t_11)) 1.0)
(fmax
1.0
(*
(if (>
(/ t_10 (fabs (* (* (floor w) dY.v) (* (floor h) dX.u))))
(floor maxAniso))
(floor maxAniso)
(/
(fmax (fma t_3 dX.v (* t_6 dX.u)) (fma t_8 dY.v (* t_7 dY.u)))
(fabs
(* (fma dY.v dX.u (* (- dX.v) dY.u)) (* (floor h) (floor w))))))
(if (>
(/
(fmax (fma t_6 dX.u (* t_3 dX.v)) (fma t_7 dY.u (* t_8 dY.v)))
(fabs
(* (fma dY.u dX.v (* (- dY.v) dX.u)) (* (floor w) (floor h)))))
(floor maxAniso))
t_12
(/ (fabs (* (* t_1 dX.u) (floor w))) t_11))))
(if t_15 (floor maxAniso) t_14))))
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 = powf(floorf(h), 2.0f);
float t_3 = t_2 * dX_46_v;
float t_4 = floorf(w) * dY_46_u;
float t_5 = powf(floorf(w), 2.0f);
float t_6 = t_5 * dX_46_u;
float t_7 = t_5 * dY_46_u;
float t_8 = t_2 * dY_46_v;
float t_9 = floorf(w) * dX_46_u;
float t_10 = fmaxf(((t_9 * t_9) + (t_0 * t_0)), ((t_4 * t_4) + (t_1 * t_1)));
float t_11 = sqrtf(t_10);
float t_12 = t_11 / floorf(maxAniso);
float t_13 = fabsf(((t_0 * t_4) - (t_9 * t_1)));
float t_14 = t_10 / t_13;
int t_15 = t_14 > floorf(maxAniso);
float tmp;
if (t_15) {
tmp = t_12;
} else {
tmp = t_13 / t_11;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((t_10 / fabsf(((floorf(w) * dY_46_v) * (floorf(h) * dX_46_u)))) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = fmaxf(fmaf(t_3, dX_46_v, (t_6 * dX_46_u)), fmaf(t_8, dY_46_v, (t_7 * dY_46_u))) / fabsf((fmaf(dY_46_v, dX_46_u, (-dX_46_v * dY_46_u)) * (floorf(h) * floorf(w))));
}
float tmp_5;
if ((fmaxf(fmaf(t_6, dX_46_u, (t_3 * dX_46_v)), fmaf(t_7, dY_46_u, (t_8 * dY_46_v))) / fabsf((fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))))) > floorf(maxAniso)) {
tmp_5 = t_12;
} else {
tmp_5 = fabsf(((t_1 * dX_46_u) * floorf(w))) / t_11;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_15) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_14;
}
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) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = floor(h) ^ Float32(2.0) t_3 = Float32(t_2 * dX_46_v) t_4 = Float32(floor(w) * dY_46_u) t_5 = floor(w) ^ Float32(2.0) t_6 = Float32(t_5 * dX_46_u) t_7 = Float32(t_5 * dY_46_u) t_8 = Float32(t_2 * dY_46_v) t_9 = Float32(floor(w) * dX_46_u) t_10 = fmax(Float32(Float32(t_9 * t_9) + Float32(t_0 * t_0)), Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1))) t_11 = sqrt(t_10) t_12 = Float32(t_11 / floor(maxAniso)) t_13 = abs(Float32(Float32(t_0 * t_4) - Float32(t_9 * t_1))) t_14 = Float32(t_10 / t_13) t_15 = t_14 > floor(maxAniso) tmp = Float32(0.0) if (t_15) tmp = t_12; else tmp = Float32(t_13 / t_11); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(t_10 / abs(Float32(Float32(floor(w) * dY_46_v) * Float32(floor(h) * dX_46_u)))) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = Float32(fmax(fma(t_3, dX_46_v, Float32(t_6 * dX_46_u)), fma(t_8, dY_46_v, Float32(t_7 * dY_46_u))) / abs(Float32(fma(dY_46_v, dX_46_u, Float32(Float32(-dX_46_v) * dY_46_u)) * Float32(floor(h) * floor(w))))); end tmp_5 = Float32(0.0) if (Float32(fmax(fma(t_6, dX_46_u, Float32(t_3 * dX_46_v)), fma(t_7, dY_46_u, Float32(t_8 * dY_46_v))) / abs(Float32(fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) * Float32(floor(w) * floor(h))))) > floor(maxAniso)) tmp_5 = t_12; else tmp_5 = Float32(abs(Float32(Float32(t_1 * dX_46_u) * floor(w))) / t_11); end tmp_3 = fmax(Float32(1.0), Float32(tmp_4 * tmp_5)); elseif (t_15) tmp_3 = floor(maxAniso); else tmp_3 = t_14; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := t\_2 \cdot dX.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := t\_5 \cdot dX.u\\
t_7 := t\_5 \cdot dY.u\\
t_8 := t\_2 \cdot dY.v\\
t_9 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_10 := \mathsf{max}\left(t\_9 \cdot t\_9 + t\_0 \cdot t\_0, t\_4 \cdot t\_4 + t\_1 \cdot t\_1\right)\\
t_11 := \sqrt{t\_10}\\
t_12 := \frac{t\_11}{\left\lfloor maxAniso\right\rfloor }\\
t_13 := \left|t\_0 \cdot t\_4 - t\_9 \cdot t\_1\right|\\
t_14 := \frac{t\_10}{t\_13}\\
t_15 := t\_14 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_15:\\
\;\;\;\;t\_12\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_13}{t\_11}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{t\_10}{\left|\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot dX.u\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_3, dX.v, t\_6 \cdot dX.u\right), \mathsf{fma}\left(t\_8, dY.v, t\_7 \cdot dY.u\right)\right)}{\left|\mathsf{fma}\left(dY.v, dX.u, \left(-dX.v\right) \cdot dY.u\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right)\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_6, dX.u, t\_3 \cdot dX.v\right), \mathsf{fma}\left(t\_7, dY.u, t\_8 \cdot dY.v\right)\right)}{\left|\mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_12\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(t\_1 \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \right|}{t\_11}\\
\end{array}\right)\\
\mathbf{elif}\;t\_15:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_14\\
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in w around 0
Applied rewrites96.6%
Taylor expanded in w around 0
Applied rewrites96.6%
Taylor expanded in dX.u around inf
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3296.6
Applied rewrites96.6%
Taylor expanded in dX.u around inf
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3296.6
Applied rewrites96.6%
Final simplification96.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (fma dY.u dX.v (* (- dY.v) dX.u)))
(t_1 (fabs (* t_0 (* (floor w) (floor h)))))
(t_2 (pow (floor h) 2.0))
(t_3 (pow (floor w) 2.0))
(t_4
(fmax
(fma (* t_3 dX.u) dX.u (* (* t_2 dX.v) dX.v))
(fma (* t_3 dY.u) dY.u (* (* t_2 dY.v) dY.v))))
(t_5 (/ t_4 t_1))
(t_6 (> t_5 (floor maxAniso)))
(t_7
(if t_6 (/ (sqrt t_4) (floor maxAniso)) (* (sqrt (/ 1.0 t_4)) t_1))))
(if (< t_7 1.0)
(fmax 1.0 (* (if t_6 (floor maxAniso) t_5) t_7))
(if (>
(/
(/
(fmax
(+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0))
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor w) dY.u) 2.0)))
(fabs t_0))
(* (floor h) (floor w)))
(floor maxAniso))
(floor maxAniso)
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 = fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u));
float t_1 = fabsf((t_0 * (floorf(w) * floorf(h))));
float t_2 = powf(floorf(h), 2.0f);
float t_3 = powf(floorf(w), 2.0f);
float t_4 = fmaxf(fmaf((t_3 * dX_46_u), dX_46_u, ((t_2 * dX_46_v) * dX_46_v)), fmaf((t_3 * dY_46_u), dY_46_u, ((t_2 * dY_46_v) * dY_46_v)));
float t_5 = t_4 / t_1;
int t_6 = t_5 > floorf(maxAniso);
float tmp;
if (t_6) {
tmp = sqrtf(t_4) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_4)) * t_1;
}
float t_7 = tmp;
float tmp_2;
if (t_7 < 1.0f) {
float tmp_3;
if (t_6) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_5;
}
tmp_2 = fmaxf(1.0f, (tmp_3 * t_7));
} else if (((fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f))) / fabsf(t_0)) / (floorf(h) * floorf(w))) > floorf(maxAniso)) {
tmp_2 = floorf(maxAniso);
} 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 = fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) t_1 = abs(Float32(t_0 * Float32(floor(w) * floor(h)))) t_2 = floor(h) ^ Float32(2.0) t_3 = floor(w) ^ Float32(2.0) t_4 = fmax(fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)), fma(Float32(t_3 * dY_46_u), dY_46_u, Float32(Float32(t_2 * dY_46_v) * dY_46_v))) t_5 = Float32(t_4 / t_1) t_6 = t_5 > floor(maxAniso) tmp = Float32(0.0) if (t_6) tmp = Float32(sqrt(t_4) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_4)) * t_1); end t_7 = tmp tmp_2 = Float32(0.0) if (t_7 < Float32(1.0)) tmp_3 = Float32(0.0) if (t_6) tmp_3 = floor(maxAniso); else tmp_3 = t_5; end tmp_2 = fmax(Float32(1.0), Float32(tmp_3 * t_7)); elseif (Float32(Float32(fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) / abs(t_0)) / Float32(floor(h) * floor(w))) > floor(maxAniso)) tmp_2 = floor(maxAniso); else tmp_2 = t_5; end return tmp_2 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right)\\
t_1 := \left|t\_0 \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \mathsf{max}\left(\mathsf{fma}\left(t\_3 \cdot dX.u, dX.u, \left(t\_2 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_3 \cdot dY.u, dY.u, \left(t\_2 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_5 := \frac{t\_4}{t\_1}\\
t_6 := t\_5 > \left\lfloor maxAniso\right\rfloor \\
t_7 := \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\frac{\sqrt{t\_4}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_4}} \cdot t\_1\\
\end{array}\\
\mathbf{if}\;t\_7 < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array} \cdot t\_7\right)\\
\mathbf{elif}\;\frac{\frac{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)}{\left|t\_0\right|}}{\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor } > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in w around 0
Applied rewrites33.6%
Applied rewrites64.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (* (* t_0 dY.v) dY.v))
(t_2 (pow (floor w) 2.0))
(t_3 (fma (* t_2 dX.u) dX.u (* (* t_0 dX.v) dX.v)))
(t_4 (fmax t_3 (fma (* t_2 dY.u) dY.u t_1)))
(t_5 (/ (sqrt t_4) (floor maxAniso)))
(t_6 (fma dY.u dX.v (* (- dY.v) dX.u)))
(t_7 (fabs (* t_6 (* (floor w) (floor h)))))
(t_8 (/ t_4 t_7))
(t_9 (> t_8 (floor maxAniso)))
(t_10 (* (sqrt (/ 1.0 t_4)) t_7)))
(if (< (if (> (/ (fmax t_3 t_1) t_7) (floor maxAniso)) t_5 t_10) 1.0)
(fmax 1.0 (* (if t_9 (floor maxAniso) t_8) (if t_9 t_5 t_10)))
(if (>
(/
(/
(fmax
(+ (pow (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0))
(+ (pow (* dY.u (floor w)) 2.0) (pow (* dY.v (floor h)) 2.0)))
(fabs t_6))
(* (floor h) (floor w)))
(floor maxAniso))
(floor maxAniso)
t_8))))
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 = powf(floorf(h), 2.0f);
float t_1 = (t_0 * dY_46_v) * dY_46_v;
float t_2 = powf(floorf(w), 2.0f);
float t_3 = fmaf((t_2 * dX_46_u), dX_46_u, ((t_0 * dX_46_v) * dX_46_v));
float t_4 = fmaxf(t_3, fmaf((t_2 * dY_46_u), dY_46_u, t_1));
float t_5 = sqrtf(t_4) / floorf(maxAniso);
float t_6 = fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u));
float t_7 = fabsf((t_6 * (floorf(w) * floorf(h))));
float t_8 = t_4 / t_7;
int t_9 = t_8 > floorf(maxAniso);
float t_10 = sqrtf((1.0f / t_4)) * t_7;
float tmp;
if ((fmaxf(t_3, t_1) / t_7) > floorf(maxAniso)) {
tmp = t_5;
} else {
tmp = t_10;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_9) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_8;
}
float tmp_5;
if (t_9) {
tmp_5 = t_5;
} else {
tmp_5 = t_10;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (((fmaxf((powf((dX_46_u * floorf(w)), 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)), (powf((dY_46_u * floorf(w)), 2.0f) + powf((dY_46_v * floorf(h)), 2.0f))) / fabsf(t_6)) / (floorf(h) * floorf(w))) > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_8;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(Float32(t_0 * dY_46_v) * dY_46_v) t_2 = floor(w) ^ Float32(2.0) t_3 = fma(Float32(t_2 * dX_46_u), dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v)) t_4 = fmax(t_3, fma(Float32(t_2 * dY_46_u), dY_46_u, t_1)) t_5 = Float32(sqrt(t_4) / floor(maxAniso)) t_6 = fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) t_7 = abs(Float32(t_6 * Float32(floor(w) * floor(h)))) t_8 = Float32(t_4 / t_7) t_9 = t_8 > floor(maxAniso) t_10 = Float32(sqrt(Float32(Float32(1.0) / t_4)) * t_7) tmp = Float32(0.0) if (Float32(fmax(t_3, t_1) / t_7) > floor(maxAniso)) tmp = t_5; else tmp = t_10; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_9) tmp_4 = floor(maxAniso); else tmp_4 = t_8; end tmp_5 = Float32(0.0) if (t_9) tmp_5 = t_5; else tmp_5 = t_10; end tmp_3 = fmax(Float32(1.0), Float32(tmp_4 * tmp_5)); elseif (Float32(Float32(fmax(Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))), Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))) / abs(t_6)) / Float32(floor(h) * floor(w))) > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_8; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := \left(t\_0 \cdot dY.v\right) \cdot dY.v\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := \mathsf{fma}\left(t\_2 \cdot dX.u, dX.u, \left(t\_0 \cdot dX.v\right) \cdot dX.v\right)\\
t_4 := \mathsf{max}\left(t\_3, \mathsf{fma}\left(t\_2 \cdot dY.u, dY.u, t\_1\right)\right)\\
t_5 := \frac{\sqrt{t\_4}}{\left\lfloor maxAniso\right\rfloor }\\
t_6 := \mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right)\\
t_7 := \left|t\_6 \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_8 := \frac{t\_4}{t\_7}\\
t_9 := t\_8 > \left\lfloor maxAniso\right\rfloor \\
t_10 := \sqrt{\frac{1}{t\_4}} \cdot t\_7\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_3, t\_1\right)}{t\_7} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\right)\\
\mathbf{elif}\;\frac{\frac{\mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}, {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}{\left|t\_6\right|}}{\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor } > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in w around 0
Applied rewrites33.4%
Taylor expanded in dY.u around 0
Applied rewrites53.7%
Applied rewrites72.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.u (floor w)))
(t_1 (pow (floor h) 2.0))
(t_2 (* (* t_1 dY.v) dY.v))
(t_3 (pow (* dY.v (floor h)) 2.0))
(t_4 (pow (floor w) 2.0))
(t_5 (fma (* t_4 dX.u) dX.u (* (* t_1 dX.v) dX.v)))
(t_6 (fmax t_5 (fma (* t_4 dY.u) dY.u t_2)))
(t_7 (/ (sqrt t_6) (floor maxAniso)))
(t_8 (fma dY.u dX.v (* (- dY.v) dX.u)))
(t_9 (fabs (* t_8 (* (floor w) (floor h)))))
(t_10 (/ t_6 t_9))
(t_11 (* (sqrt (/ 1.0 t_6)) t_9)))
(if (< (if (> (/ (fmax t_5 t_2) t_9) (floor maxAniso)) t_7 t_11) 1.0)
(fmax
1.0
(*
(if (>
(/
(fmax
(+ (pow (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0))
(+ (pow t_0 2.0) t_3))
(* (* (floor h) (floor w)) t_8))
(floor maxAniso))
(floor maxAniso)
t_10)
(if (> t_10 (floor maxAniso)) t_7 t_11)))
(if (> (/ (fmax t_5 (+ t_3 (* t_0 t_0))) t_9) (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 = dY_46_u * floorf(w);
float t_1 = powf(floorf(h), 2.0f);
float t_2 = (t_1 * dY_46_v) * dY_46_v;
float t_3 = powf((dY_46_v * floorf(h)), 2.0f);
float t_4 = powf(floorf(w), 2.0f);
float t_5 = fmaf((t_4 * dX_46_u), dX_46_u, ((t_1 * dX_46_v) * dX_46_v));
float t_6 = fmaxf(t_5, fmaf((t_4 * dY_46_u), dY_46_u, t_2));
float t_7 = sqrtf(t_6) / floorf(maxAniso);
float t_8 = fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u));
float t_9 = fabsf((t_8 * (floorf(w) * floorf(h))));
float t_10 = t_6 / t_9;
float t_11 = sqrtf((1.0f / t_6)) * t_9;
float tmp;
if ((fmaxf(t_5, t_2) / t_9) > floorf(maxAniso)) {
tmp = t_7;
} else {
tmp = t_11;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf((powf((dX_46_u * floorf(w)), 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)), (powf(t_0, 2.0f) + t_3)) / ((floorf(h) * floorf(w)) * t_8)) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_10;
}
float tmp_5;
if (t_10 > floorf(maxAniso)) {
tmp_5 = t_7;
} else {
tmp_5 = t_11;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if ((fmaxf(t_5, (t_3 + (t_0 * t_0))) / t_9) > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_10;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_u * floor(w)) t_1 = floor(h) ^ Float32(2.0) t_2 = Float32(Float32(t_1 * dY_46_v) * dY_46_v) t_3 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_4 = floor(w) ^ Float32(2.0) t_5 = fma(Float32(t_4 * dX_46_u), dX_46_u, Float32(Float32(t_1 * dX_46_v) * dX_46_v)) t_6 = fmax(t_5, fma(Float32(t_4 * dY_46_u), dY_46_u, t_2)) t_7 = Float32(sqrt(t_6) / floor(maxAniso)) t_8 = fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) t_9 = abs(Float32(t_8 * Float32(floor(w) * floor(h)))) t_10 = Float32(t_6 / t_9) t_11 = Float32(sqrt(Float32(Float32(1.0) / t_6)) * t_9) tmp = Float32(0.0) if (Float32(fmax(t_5, t_2) / t_9) > floor(maxAniso)) tmp = t_7; else tmp = t_11; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(fmax(Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))), Float32((t_0 ^ Float32(2.0)) + t_3)) / Float32(Float32(floor(h) * floor(w)) * t_8)) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = t_10; end tmp_5 = Float32(0.0) if (t_10 > floor(maxAniso)) tmp_5 = t_7; else tmp_5 = t_11; end tmp_3 = fmax(Float32(1.0), Float32(tmp_4 * tmp_5)); elseif (Float32(fmax(t_5, Float32(t_3 + Float32(t_0 * t_0))) / t_9) > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_10; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := \left(t\_1 \cdot dY.v\right) \cdot dY.v\\
t_3 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := \mathsf{fma}\left(t\_4 \cdot dX.u, dX.u, \left(t\_1 \cdot dX.v\right) \cdot dX.v\right)\\
t_6 := \mathsf{max}\left(t\_5, \mathsf{fma}\left(t\_4 \cdot dY.u, dY.u, t\_2\right)\right)\\
t_7 := \frac{\sqrt{t\_6}}{\left\lfloor maxAniso\right\rfloor }\\
t_8 := \mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right)\\
t_9 := \left|t\_8 \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_10 := \frac{t\_6}{t\_9}\\
t_11 := \sqrt{\frac{1}{t\_6}} \cdot t\_9\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_5, t\_2\right)}{t\_9} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}, {t\_0}^{2} + t\_3\right)}{\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot t\_8} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_10 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array}\right)\\
\mathbf{elif}\;\frac{\mathsf{max}\left(t\_5, t\_3 + t\_0 \cdot t\_0\right)}{t\_9} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in w around 0
Applied rewrites33.3%
Taylor expanded in dY.u around 0
Applied rewrites54.0%
Applied rewrites51.0%
Applied rewrites61.1%
Final simplification60.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* dY.v (floor h)) 2.0))
(t_1 (pow (* dY.u (floor w)) 2.0))
(t_2 (pow (floor h) 2.0))
(t_3 (* (* t_2 dY.v) dY.v))
(t_4 (pow (floor w) 2.0))
(t_5 (fma (* t_4 dX.u) dX.u (* (* t_2 dX.v) dX.v)))
(t_6 (fmax t_5 (fma (* t_4 dY.u) dY.u t_3)))
(t_7 (/ (sqrt t_6) (floor maxAniso)))
(t_8 (fma dY.u dX.v (* (- dY.v) dX.u)))
(t_9 (fabs (* t_8 (* (floor w) (floor h)))))
(t_10 (/ t_6 t_9))
(t_11 (> t_10 (floor maxAniso))))
(if (<
(if (> (/ (fmax t_5 t_3) t_9) (floor maxAniso))
t_7
(* (sqrt (/ 1.0 (fmax t_5 (+ t_0 t_1)))) t_9))
1.0)
(fmax
1.0
(*
(if (>
(/
(fmax
(+ (pow (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0))
(+ t_1 t_0))
(* (* (floor h) (floor w)) t_8))
(floor maxAniso))
(floor maxAniso)
t_10)
(if t_11 t_7 (* (sqrt (/ 1.0 t_6)) t_9))))
(if t_11 (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 = powf((dY_46_v * floorf(h)), 2.0f);
float t_1 = powf((dY_46_u * floorf(w)), 2.0f);
float t_2 = powf(floorf(h), 2.0f);
float t_3 = (t_2 * dY_46_v) * dY_46_v;
float t_4 = powf(floorf(w), 2.0f);
float t_5 = fmaf((t_4 * dX_46_u), dX_46_u, ((t_2 * dX_46_v) * dX_46_v));
float t_6 = fmaxf(t_5, fmaf((t_4 * dY_46_u), dY_46_u, t_3));
float t_7 = sqrtf(t_6) / floorf(maxAniso);
float t_8 = fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u));
float t_9 = fabsf((t_8 * (floorf(w) * floorf(h))));
float t_10 = t_6 / t_9;
int t_11 = t_10 > floorf(maxAniso);
float tmp;
if ((fmaxf(t_5, t_3) / t_9) > floorf(maxAniso)) {
tmp = t_7;
} else {
tmp = sqrtf((1.0f / fmaxf(t_5, (t_0 + t_1)))) * t_9;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf((powf((dX_46_u * floorf(w)), 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)), (t_1 + t_0)) / ((floorf(h) * floorf(w)) * t_8)) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_10;
}
float tmp_5;
if (t_11) {
tmp_5 = t_7;
} else {
tmp_5 = sqrtf((1.0f / t_6)) * t_9;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_11) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_10;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_1 = Float32(dY_46_u * floor(w)) ^ Float32(2.0) t_2 = floor(h) ^ Float32(2.0) t_3 = Float32(Float32(t_2 * dY_46_v) * dY_46_v) t_4 = floor(w) ^ Float32(2.0) t_5 = fma(Float32(t_4 * dX_46_u), dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)) t_6 = fmax(t_5, fma(Float32(t_4 * dY_46_u), dY_46_u, t_3)) t_7 = Float32(sqrt(t_6) / floor(maxAniso)) t_8 = fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) t_9 = abs(Float32(t_8 * Float32(floor(w) * floor(h)))) t_10 = Float32(t_6 / t_9) t_11 = t_10 > floor(maxAniso) tmp = Float32(0.0) if (Float32(fmax(t_5, t_3) / t_9) > floor(maxAniso)) tmp = t_7; else tmp = Float32(sqrt(Float32(Float32(1.0) / fmax(t_5, Float32(t_0 + t_1)))) * t_9); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(fmax(Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))), Float32(t_1 + t_0)) / Float32(Float32(floor(h) * floor(w)) * t_8)) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = t_10; end tmp_5 = Float32(0.0) if (t_11) tmp_5 = t_7; else tmp_5 = Float32(sqrt(Float32(Float32(1.0) / t_6)) * t_9); end tmp_3 = fmax(Float32(1.0), Float32(tmp_4 * tmp_5)); elseif (t_11) tmp_3 = floor(maxAniso); else tmp_3 = t_10; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \left(t\_2 \cdot dY.v\right) \cdot dY.v\\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := \mathsf{fma}\left(t\_4 \cdot dX.u, dX.u, \left(t\_2 \cdot dX.v\right) \cdot dX.v\right)\\
t_6 := \mathsf{max}\left(t\_5, \mathsf{fma}\left(t\_4 \cdot dY.u, dY.u, t\_3\right)\right)\\
t_7 := \frac{\sqrt{t\_6}}{\left\lfloor maxAniso\right\rfloor }\\
t_8 := \mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right)\\
t_9 := \left|t\_8 \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_10 := \frac{t\_6}{t\_9}\\
t_11 := t\_10 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_5, t\_3\right)}{t\_9} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(t\_5, t\_0 + t\_1\right)}} \cdot t\_9\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}, t\_1 + t\_0\right)}{\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot t\_8} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_11:\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_6}} \cdot t\_9\\
\end{array}\right)\\
\mathbf{elif}\;t\_11:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in w around 0
Applied rewrites33.6%
Taylor expanded in dY.u around 0
Applied rewrites53.9%
Applied rewrites53.2%
Applied rewrites54.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* dX.v (floor h)) 2.0))
(t_1 (fma dY.u dX.v (* (- dY.v) dX.u)))
(t_2 (fabs (* t_1 (* (floor w) (floor h)))))
(t_3 (pow (* dX.u (floor w)) 2.0))
(t_4 (pow (floor h) 2.0))
(t_5 (* (* t_4 dY.v) dY.v))
(t_6 (pow (floor w) 2.0))
(t_7
(fmax
(fma (* t_6 dX.u) dX.u (* (* t_4 dX.v) dX.v))
(fma (* t_6 dY.u) dY.u t_5)))
(t_8 (* (sqrt (/ 1.0 t_7)) t_2))
(t_9 (/ t_7 t_2))
(t_10 (/ (sqrt t_7) (floor maxAniso)))
(t_11 (> t_9 (floor maxAniso))))
(if (<
(if (> (/ (fmax (+ t_0 t_3) t_5) t_2) (floor maxAniso)) t_10 t_8)
1.0)
(fmax
1.0
(*
(if (>
(/
(fmax
(+ t_3 t_0)
(+ (pow (* dY.u (floor w)) 2.0) (pow (* dY.v (floor h)) 2.0)))
(* (* (floor h) (floor w)) t_1))
(floor maxAniso))
(floor maxAniso)
t_9)
(if t_11 t_10 t_8)))
(if t_11 (floor maxAniso) t_9))))
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 = powf((dX_46_v * floorf(h)), 2.0f);
float t_1 = fmaf(dY_46_u, dX_46_v, (-dY_46_v * dX_46_u));
float t_2 = fabsf((t_1 * (floorf(w) * floorf(h))));
float t_3 = powf((dX_46_u * floorf(w)), 2.0f);
float t_4 = powf(floorf(h), 2.0f);
float t_5 = (t_4 * dY_46_v) * dY_46_v;
float t_6 = powf(floorf(w), 2.0f);
float t_7 = fmaxf(fmaf((t_6 * dX_46_u), dX_46_u, ((t_4 * dX_46_v) * dX_46_v)), fmaf((t_6 * dY_46_u), dY_46_u, t_5));
float t_8 = sqrtf((1.0f / t_7)) * t_2;
float t_9 = t_7 / t_2;
float t_10 = sqrtf(t_7) / floorf(maxAniso);
int t_11 = t_9 > floorf(maxAniso);
float tmp;
if ((fmaxf((t_0 + t_3), t_5) / t_2) > floorf(maxAniso)) {
tmp = t_10;
} else {
tmp = t_8;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf((t_3 + t_0), (powf((dY_46_u * floorf(w)), 2.0f) + powf((dY_46_v * floorf(h)), 2.0f))) / ((floorf(h) * floorf(w)) * t_1)) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_9;
}
float tmp_5;
if (t_11) {
tmp_5 = t_10;
} else {
tmp_5 = t_8;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_11) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_9;
}
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)) ^ Float32(2.0) t_1 = fma(dY_46_u, dX_46_v, Float32(Float32(-dY_46_v) * dX_46_u)) t_2 = abs(Float32(t_1 * Float32(floor(w) * floor(h)))) t_3 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_4 = floor(h) ^ Float32(2.0) t_5 = Float32(Float32(t_4 * dY_46_v) * dY_46_v) t_6 = floor(w) ^ Float32(2.0) t_7 = fmax(fma(Float32(t_6 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v)), fma(Float32(t_6 * dY_46_u), dY_46_u, t_5)) t_8 = Float32(sqrt(Float32(Float32(1.0) / t_7)) * t_2) t_9 = Float32(t_7 / t_2) t_10 = Float32(sqrt(t_7) / floor(maxAniso)) t_11 = t_9 > floor(maxAniso) tmp = Float32(0.0) if (Float32(fmax(Float32(t_0 + t_3), t_5) / t_2) > floor(maxAniso)) tmp = t_10; else tmp = t_8; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(fmax(Float32(t_3 + t_0), Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))) / Float32(Float32(floor(h) * floor(w)) * t_1)) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = t_9; end tmp_5 = Float32(0.0) if (t_11) tmp_5 = t_10; else tmp_5 = t_8; end tmp_3 = fmax(Float32(1.0), Float32(tmp_4 * tmp_5)); elseif (t_11) tmp_3 = floor(maxAniso); else tmp_3 = t_9; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := \mathsf{fma}\left(dY.u, dX.v, \left(-dY.v\right) \cdot dX.u\right)\\
t_2 := \left|t\_1 \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_3 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := \left(t\_4 \cdot dY.v\right) \cdot dY.v\\
t_6 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_7 := \mathsf{max}\left(\mathsf{fma}\left(t\_6 \cdot dX.u, dX.u, \left(t\_4 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_6 \cdot dY.u, dY.u, t\_5\right)\right)\\
t_8 := \sqrt{\frac{1}{t\_7}} \cdot t\_2\\
t_9 := \frac{t\_7}{t\_2}\\
t_10 := \frac{\sqrt{t\_7}}{\left\lfloor maxAniso\right\rfloor }\\
t_11 := t\_9 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_0 + t\_3, t\_5\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_10\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_3 + t\_0, {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}{\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_11:\\
\;\;\;\;t\_10\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\right)\\
\mathbf{elif}\;t\_11:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
Initial program 96.9%
Taylor expanded in w around 0
Applied rewrites34.4%
Taylor expanded in dY.u around 0
Applied rewrites54.0%
Applied rewrites53.5%
Applied rewrites33.2%
herbie shell --seed 2024343
(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))))))))