
(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\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 5 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\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 (* dY.u (floor w)))
(t_2 (* dY.v (floor h)))
(t_3 (* (floor w) dX.u))
(t_4 (fabs (- (* t_1 t_0) (* t_2 t_3))))
(t_5 (fabs (* (- (* t_3 dY.v) (* t_1 dX.v)) (floor h))))
(t_6 (fmax (+ (* t_0 t_0) (* t_3 t_3)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_7
(fmax
(+ (pow t_3 2.0) (pow t_0 2.0))
(+ (pow t_1 2.0) (pow t_2 2.0))))
(t_8 (sqrt t_7))
(t_9 (sqrt t_6))
(t_10 (/ t_6 t_4))
(t_11 (> t_10 (floor maxAniso)))
(t_12 (if t_11 (floor maxAniso) t_10)))
(if (<
(if (> (/ t_7 t_5) (floor maxAniso))
(/ t_8 (floor maxAniso))
(/ t_5 t_8))
1.0)
(fmax 1.0 (* (if t_11 (/ t_9 (floor maxAniso)) (/ t_4 t_9)) t_12))
t_12)))
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 = dY_46_u * floorf(w);
float t_2 = dY_46_v * floorf(h);
float t_3 = floorf(w) * dX_46_u;
float t_4 = fabsf(((t_1 * t_0) - (t_2 * t_3)));
float t_5 = fabsf((((t_3 * dY_46_v) - (t_1 * dX_46_v)) * floorf(h)));
float t_6 = fmaxf(((t_0 * t_0) + (t_3 * t_3)), ((t_2 * t_2) + (t_1 * t_1)));
float t_7 = fmaxf((powf(t_3, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_2, 2.0f)));
float t_8 = sqrtf(t_7);
float t_9 = sqrtf(t_6);
float t_10 = t_6 / t_4;
int t_11 = t_10 > floorf(maxAniso);
float tmp;
if (t_11) {
tmp = floorf(maxAniso);
} else {
tmp = t_10;
}
float t_12 = tmp;
float tmp_1;
if ((t_7 / t_5) > floorf(maxAniso)) {
tmp_1 = t_8 / floorf(maxAniso);
} else {
tmp_1 = t_5 / t_8;
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_11) {
tmp_4 = t_9 / floorf(maxAniso);
} else {
tmp_4 = t_4 / t_9;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * t_12));
} else {
tmp_3 = t_12;
}
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(dY_46_u * floor(w)) t_2 = Float32(dY_46_v * floor(h)) t_3 = Float32(floor(w) * dX_46_u) t_4 = abs(Float32(Float32(t_1 * t_0) - Float32(t_2 * t_3))) t_5 = abs(Float32(Float32(Float32(t_3 * dY_46_v) - Float32(t_1 * dX_46_v)) * floor(h))) t_6 = (Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) != Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3))) ? 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_0 * t_0) + Float32(t_3 * t_3)) : max(Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)), Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)))) t_7 = (Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))) t_8 = sqrt(t_7) t_9 = sqrt(t_6) t_10 = Float32(t_6 / t_4) t_11 = t_10 > floor(maxAniso) tmp = Float32(0.0) if (t_11) tmp = floor(maxAniso); else tmp = t_10; end t_12 = tmp tmp_1 = Float32(0.0) if (Float32(t_7 / t_5) > floor(maxAniso)) tmp_1 = Float32(t_8 / floor(maxAniso)); else tmp_1 = Float32(t_5 / t_8); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_11) tmp_4 = Float32(t_9 / floor(maxAniso)); else tmp_4 = Float32(t_4 / t_9); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * t_12) : ((Float32(tmp_4 * t_12) != Float32(tmp_4 * t_12)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * t_12))); else tmp_3 = t_12; end return tmp_3 end
function tmp_6 = 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 = dY_46_u * floor(w); t_2 = dY_46_v * floor(h); t_3 = floor(w) * dX_46_u; t_4 = abs(((t_1 * t_0) - (t_2 * t_3))); t_5 = abs((((t_3 * dY_46_v) - (t_1 * dX_46_v)) * floor(h))); t_6 = max(((t_0 * t_0) + (t_3 * t_3)), ((t_2 * t_2) + (t_1 * t_1))); t_7 = max(((t_3 ^ single(2.0)) + (t_0 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_2 ^ single(2.0)))); t_8 = sqrt(t_7); t_9 = sqrt(t_6); t_10 = t_6 / t_4; t_11 = t_10 > floor(maxAniso); tmp = single(0.0); if (t_11) tmp = floor(maxAniso); else tmp = t_10; end t_12 = tmp; tmp_2 = single(0.0); if ((t_7 / t_5) > floor(maxAniso)) tmp_2 = t_8 / floor(maxAniso); else tmp_2 = t_5 / t_8; end tmp_4 = single(0.0); if (tmp_2 < single(1.0)) tmp_5 = single(0.0); if (t_11) tmp_5 = t_9 / floor(maxAniso); else tmp_5 = t_4 / t_9; end tmp_4 = max(single(1.0), (tmp_5 * t_12)); else tmp_4 = t_12; end tmp_6 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_2 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \left|t\_1 \cdot t\_0 - t\_2 \cdot t\_3\right|\\
t_5 := \left|\left(t\_3 \cdot dY.v - t\_1 \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \right|\\
t_6 := \mathsf{max}\left(t\_0 \cdot t\_0 + t\_3 \cdot t\_3, t\_2 \cdot t\_2 + t\_1 \cdot t\_1\right)\\
t_7 := \mathsf{max}\left({t\_3}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_2}^{2}\right)\\
t_8 := \sqrt{t\_7}\\
t_9 := \sqrt{t\_6}\\
t_10 := \frac{t\_6}{t\_4}\\
t_11 := t\_10 > \left\lfloor maxAniso\right\rfloor \\
t_12 := \begin{array}{l}
\mathbf{if}\;t\_11:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_7}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_5}{t\_8}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_11:\\
\;\;\;\;\frac{t\_9}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{t\_9}\\
\end{array} \cdot t\_12\right)\\
\mathbf{else}:\\
\;\;\;\;t\_12\\
\end{array}
\end{array}
Initial program 99.2%
Applied rewrites99.2%
Final simplification99.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (pow (floor w) 2.0))
(t_2 (* dY.v (floor h)))
(t_3 (pow (floor h) 2.0))
(t_4 (* dY.u (floor w)))
(t_5 (* (floor w) dX.u))
(t_6 (fabs (* (- (* t_5 dY.v) (* t_4 dX.v)) (floor h))))
(t_7
(fmax
(+ (pow t_5 2.0) (pow t_0 2.0))
(+ (pow t_4 2.0) (pow t_2 2.0))))
(t_8 (sqrt t_7))
(t_9 (fmax (+ (* t_0 t_0) (* t_5 t_5)) (+ (* t_2 t_2) (* t_4 t_4))))
(t_10 (sqrt t_9))
(t_11 (fabs (- (* t_4 t_0) (* t_2 t_5))))
(t_12 (/ t_9 t_11))
(t_13 (if (> t_12 (floor maxAniso)) (floor maxAniso) t_12)))
(if (<
(if (> (/ t_7 t_6) (floor maxAniso))
(/ t_8 (floor maxAniso))
(/ t_6 t_8))
1.0)
(fmax
1.0
(*
(if (>
(/
(fmax
(fma (* t_3 dX.v) dX.v (* (* t_1 dX.u) dX.u))
(fma (* t_1 dY.u) dY.u (* (* t_3 dY.v) dY.v)))
(fabs
(* (- (* dY.u dX.v) (* dY.v dX.u)) (* (floor w) (floor h)))))
(floor maxAniso))
(/ t_10 (floor maxAniso))
(/ t_11 t_10))
t_13))
t_13)))
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 = powf(floorf(w), 2.0f);
float t_2 = dY_46_v * floorf(h);
float t_3 = powf(floorf(h), 2.0f);
float t_4 = dY_46_u * floorf(w);
float t_5 = floorf(w) * dX_46_u;
float t_6 = fabsf((((t_5 * dY_46_v) - (t_4 * dX_46_v)) * floorf(h)));
float t_7 = fmaxf((powf(t_5, 2.0f) + powf(t_0, 2.0f)), (powf(t_4, 2.0f) + powf(t_2, 2.0f)));
float t_8 = sqrtf(t_7);
float t_9 = fmaxf(((t_0 * t_0) + (t_5 * t_5)), ((t_2 * t_2) + (t_4 * t_4)));
float t_10 = sqrtf(t_9);
float t_11 = fabsf(((t_4 * t_0) - (t_2 * t_5)));
float t_12 = t_9 / t_11;
float tmp;
if (t_12 > floorf(maxAniso)) {
tmp = floorf(maxAniso);
} else {
tmp = t_12;
}
float t_13 = tmp;
float tmp_1;
if ((t_7 / t_6) > floorf(maxAniso)) {
tmp_1 = t_8 / floorf(maxAniso);
} else {
tmp_1 = t_6 / t_8;
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if ((fmaxf(fmaf((t_3 * dX_46_v), dX_46_v, ((t_1 * dX_46_u) * dX_46_u)), fmaf((t_1 * dY_46_u), dY_46_u, ((t_3 * dY_46_v) * dY_46_v))) / fabsf((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))))) > floorf(maxAniso)) {
tmp_4 = t_10 / floorf(maxAniso);
} else {
tmp_4 = t_11 / t_10;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * t_13));
} else {
tmp_3 = t_13;
}
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 = floor(w) ^ Float32(2.0) t_2 = Float32(dY_46_v * floor(h)) t_3 = floor(h) ^ Float32(2.0) t_4 = Float32(dY_46_u * floor(w)) t_5 = Float32(floor(w) * dX_46_u) t_6 = abs(Float32(Float32(Float32(t_5 * dY_46_v) - Float32(t_4 * dX_46_v)) * floor(h))) t_7 = (Float32((t_5 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_5 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_4 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_4 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_4 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_5 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_5 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_4 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))) t_8 = sqrt(t_7) t_9 = (Float32(Float32(t_0 * t_0) + Float32(t_5 * t_5)) != Float32(Float32(t_0 * t_0) + Float32(t_5 * t_5))) ? Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4)) : ((Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4)) != Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4))) ? Float32(Float32(t_0 * t_0) + Float32(t_5 * t_5)) : max(Float32(Float32(t_0 * t_0) + Float32(t_5 * t_5)), Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4)))) t_10 = sqrt(t_9) t_11 = abs(Float32(Float32(t_4 * t_0) - Float32(t_2 * t_5))) t_12 = Float32(t_9 / t_11) tmp = Float32(0.0) if (t_12 > floor(maxAniso)) tmp = floor(maxAniso); else tmp = t_12; end t_13 = tmp tmp_1 = Float32(0.0) if (Float32(t_7 / t_6) > floor(maxAniso)) tmp_1 = Float32(t_8 / floor(maxAniso)); else tmp_1 = Float32(t_6 / t_8); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(((fma(Float32(t_3 * dX_46_v), dX_46_v, Float32(Float32(t_1 * dX_46_u) * dX_46_u)) != fma(Float32(t_3 * dX_46_v), dX_46_v, Float32(Float32(t_1 * dX_46_u) * dX_46_u))) ? fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v)) : ((fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v)) != fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v))) ? fma(Float32(t_3 * dX_46_v), dX_46_v, Float32(Float32(t_1 * dX_46_u) * dX_46_u)) : max(fma(Float32(t_3 * dX_46_v), dX_46_v, Float32(Float32(t_1 * dX_46_u) * dX_46_u)), fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v))))) / abs(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * Float32(floor(w) * floor(h))))) > floor(maxAniso)) tmp_4 = Float32(t_10 / floor(maxAniso)); else tmp_4 = Float32(t_11 / t_10); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * t_13) : ((Float32(tmp_4 * t_13) != Float32(tmp_4 * t_13)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * t_13))); else tmp_3 = t_13; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_6 := \left|\left(t\_5 \cdot dY.v - t\_4 \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \right|\\
t_7 := \mathsf{max}\left({t\_5}^{2} + {t\_0}^{2}, {t\_4}^{2} + {t\_2}^{2}\right)\\
t_8 := \sqrt{t\_7}\\
t_9 := \mathsf{max}\left(t\_0 \cdot t\_0 + t\_5 \cdot t\_5, t\_2 \cdot t\_2 + t\_4 \cdot t\_4\right)\\
t_10 := \sqrt{t\_9}\\
t_11 := \left|t\_4 \cdot t\_0 - t\_2 \cdot t\_5\right|\\
t_12 := \frac{t\_9}{t\_11}\\
t_13 := \begin{array}{l}
\mathbf{if}\;t\_12 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_12\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_7}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_8}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_3 \cdot dX.v, dX.v, \left(t\_1 \cdot dX.u\right) \cdot dX.u\right), \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, \left(t\_3 \cdot dY.v\right) \cdot dY.v\right)\right)}{\left|\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_10}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_11}{t\_10}\\
\end{array} \cdot t\_13\right)\\
\mathbf{else}:\\
\;\;\;\;t\_13\\
\end{array}
\end{array}
Initial program 99.2%
Applied rewrites99.2%
Taylor expanded in w around 0
Applied rewrites99.2%
Final simplification99.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (pow (floor w) 2.0))
(t_2 (* dY.v (floor h)))
(t_3 (* (floor w) dX.u))
(t_4 (pow (floor h) 2.0))
(t_5 (* dY.u (floor w)))
(t_6
(fmax
(+ (pow t_3 2.0) (pow t_0 2.0))
(+ (pow t_5 2.0) (pow t_2 2.0))))
(t_7 (sqrt t_6))
(t_8 (fabs (* (- (* t_3 dY.v) (* t_5 dX.v)) (floor h))))
(t_9 (fmax (+ (* t_0 t_0) (* t_3 t_3)) (+ (* t_2 t_2) (* t_5 t_5))))
(t_10 (/ t_9 (fabs (- (* t_5 t_0) (* t_2 t_3)))))
(t_11 (sqrt t_9))
(t_12 (> t_10 (floor maxAniso)))
(t_13 (fabs (* (* (* dX.u (floor h)) dY.v) (floor w)))))
(if (<
(if (> (/ t_6 t_8) (floor maxAniso))
(/ t_7 (floor maxAniso))
(/ t_8 t_7))
1.0)
(fmax
1.0
(*
(if (>
(/
(fmax
(fma (* t_4 dX.v) dX.v (* (* t_1 dX.u) dX.u))
(fma (* t_1 dY.u) dY.u (* (* t_4 dY.v) dY.v)))
(fabs
(* (- (* dY.u dX.v) (* dY.v dX.u)) (* (floor w) (floor h)))))
(floor maxAniso))
(/ t_11 (floor maxAniso))
(/ t_13 t_11))
(if t_12 (floor maxAniso) (/ t_9 t_13))))
(if t_12 (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 = floorf(h) * dX_46_v;
float t_1 = powf(floorf(w), 2.0f);
float t_2 = dY_46_v * floorf(h);
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(floorf(h), 2.0f);
float t_5 = dY_46_u * floorf(w);
float t_6 = fmaxf((powf(t_3, 2.0f) + powf(t_0, 2.0f)), (powf(t_5, 2.0f) + powf(t_2, 2.0f)));
float t_7 = sqrtf(t_6);
float t_8 = fabsf((((t_3 * dY_46_v) - (t_5 * dX_46_v)) * floorf(h)));
float t_9 = fmaxf(((t_0 * t_0) + (t_3 * t_3)), ((t_2 * t_2) + (t_5 * t_5)));
float t_10 = t_9 / fabsf(((t_5 * t_0) - (t_2 * t_3)));
float t_11 = sqrtf(t_9);
int t_12 = t_10 > floorf(maxAniso);
float t_13 = fabsf((((dX_46_u * floorf(h)) * dY_46_v) * floorf(w)));
float tmp;
if ((t_6 / t_8) > floorf(maxAniso)) {
tmp = t_7 / floorf(maxAniso);
} else {
tmp = t_8 / t_7;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf(fmaf((t_4 * dX_46_v), dX_46_v, ((t_1 * dX_46_u) * dX_46_u)), fmaf((t_1 * dY_46_u), dY_46_u, ((t_4 * dY_46_v) * dY_46_v))) / fabsf((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * (floorf(w) * floorf(h))))) > floorf(maxAniso)) {
tmp_4 = t_11 / floorf(maxAniso);
} else {
tmp_4 = t_13 / t_11;
}
float tmp_5;
if (t_12) {
tmp_5 = floorf(maxAniso);
} else {
tmp_5 = t_9 / t_13;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_12) {
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(floor(h) * dX_46_v) t_1 = floor(w) ^ Float32(2.0) t_2 = Float32(dY_46_v * floor(h)) t_3 = Float32(floor(w) * dX_46_u) t_4 = floor(h) ^ Float32(2.0) t_5 = Float32(dY_46_u * floor(w)) t_6 = (Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_5 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_5 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_5 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_5 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))) t_7 = sqrt(t_6) t_8 = abs(Float32(Float32(Float32(t_3 * dY_46_v) - Float32(t_5 * dX_46_v)) * floor(h))) t_9 = (Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) != Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3))) ? Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5)) : ((Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5)) != Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5))) ? Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) : max(Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)), Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5)))) t_10 = Float32(t_9 / abs(Float32(Float32(t_5 * t_0) - Float32(t_2 * t_3)))) t_11 = sqrt(t_9) t_12 = t_10 > floor(maxAniso) t_13 = abs(Float32(Float32(Float32(dX_46_u * floor(h)) * dY_46_v) * floor(w))) tmp = Float32(0.0) if (Float32(t_6 / t_8) > floor(maxAniso)) tmp = Float32(t_7 / floor(maxAniso)); else tmp = Float32(t_8 / t_7); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(((fma(Float32(t_4 * dX_46_v), dX_46_v, Float32(Float32(t_1 * dX_46_u) * dX_46_u)) != fma(Float32(t_4 * dX_46_v), dX_46_v, Float32(Float32(t_1 * dX_46_u) * dX_46_u))) ? fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v)) : ((fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v)) != fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v))) ? fma(Float32(t_4 * dX_46_v), dX_46_v, Float32(Float32(t_1 * dX_46_u) * dX_46_u)) : max(fma(Float32(t_4 * dX_46_v), dX_46_v, Float32(Float32(t_1 * dX_46_u) * dX_46_u)), fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v))))) / abs(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * Float32(floor(w) * floor(h))))) > floor(maxAniso)) tmp_4 = Float32(t_11 / floor(maxAniso)); else tmp_4 = Float32(t_13 / t_11); end tmp_5 = Float32(0.0) if (t_12) tmp_5 = floor(maxAniso); else tmp_5 = Float32(t_9 / t_13); 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 = t_10; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_6 := \mathsf{max}\left({t\_3}^{2} + {t\_0}^{2}, {t\_5}^{2} + {t\_2}^{2}\right)\\
t_7 := \sqrt{t\_6}\\
t_8 := \left|\left(t\_3 \cdot dY.v - t\_5 \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \right|\\
t_9 := \mathsf{max}\left(t\_0 \cdot t\_0 + t\_3 \cdot t\_3, t\_2 \cdot t\_2 + t\_5 \cdot t\_5\right)\\
t_10 := \frac{t\_9}{\left|t\_5 \cdot t\_0 - t\_2 \cdot t\_3\right|}\\
t_11 := \sqrt{t\_9}\\
t_12 := t\_10 > \left\lfloor maxAniso\right\rfloor \\
t_13 := \left|\left(\left(dX.u \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v\right) \cdot \left\lfloor w\right\rfloor \right|\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_6}{t\_8} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_7}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_8}{t\_7}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_4 \cdot dX.v, dX.v, \left(t\_1 \cdot dX.u\right) \cdot dX.u\right), \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, \left(t\_4 \cdot dY.v\right) \cdot dY.v\right)\right)}{\left|\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_11}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_13}{t\_11}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_12:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{t\_9}{t\_13}\\
\end{array}\right)\\
\mathbf{elif}\;t\_12:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Initial program 99.2%
Applied rewrites99.2%
Taylor expanded in w around 0
Applied rewrites99.2%
Taylor expanded in dX.u around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
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.f3298.9
Applied rewrites99.2%
Taylor expanded in dX.u around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
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.f3299.2
Applied rewrites99.2%
Final simplification99.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* dY.v (floor h)))
(t_2 (fabs (* (* (* dX.u (floor h)) dY.v) (floor w))))
(t_3 (* (floor w) (floor h)))
(t_4 (fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) t_3)))
(t_5 (pow (floor h) 2.0))
(t_6 (* t_5 dX.v))
(t_7 (* dY.u (floor w)))
(t_8 (pow (floor w) 2.0))
(t_9 (fma (* t_8 dY.u) dY.u (* (* t_5 dY.v) dY.v)))
(t_10 (* t_8 dX.u))
(t_11 (fmax (fma t_10 dX.u (* t_6 dX.v)) t_9))
(t_12 (* (floor h) dX.v))
(t_13 (fmax (+ (* t_12 t_12) (* t_0 t_0)) (+ (* t_1 t_1) (* t_7 t_7))))
(t_14 (sqrt t_13))
(t_15 (/ t_13 (fabs (- (* t_7 t_12) (* t_1 t_0)))))
(t_16 (> t_15 (floor maxAniso))))
(if (<
(if (> (/ t_11 t_4) (floor maxAniso))
(/ (sqrt t_11) (floor maxAniso))
(* (sqrt (/ 1.0 t_11)) t_4))
1.0)
(fmax
1.0
(*
(if (>
(/
(fmax (fma t_6 dX.v (* t_10 dX.u)) t_9)
(fabs (* (- (* dY.u dX.v) (* dY.v dX.u)) t_3)))
(floor maxAniso))
(/ t_14 (floor maxAniso))
(/ t_2 t_14))
(if t_16 (floor maxAniso) (/ t_13 t_2))))
(if t_16 (floor maxAniso) t_15))))
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(w) * dX_46_u;
float t_1 = dY_46_v * floorf(h);
float t_2 = fabsf((((dX_46_u * floorf(h)) * dY_46_v) * floorf(w)));
float t_3 = floorf(w) * floorf(h);
float t_4 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * t_3));
float t_5 = powf(floorf(h), 2.0f);
float t_6 = t_5 * dX_46_v;
float t_7 = dY_46_u * floorf(w);
float t_8 = powf(floorf(w), 2.0f);
float t_9 = fmaf((t_8 * dY_46_u), dY_46_u, ((t_5 * dY_46_v) * dY_46_v));
float t_10 = t_8 * dX_46_u;
float t_11 = fmaxf(fmaf(t_10, dX_46_u, (t_6 * dX_46_v)), t_9);
float t_12 = floorf(h) * dX_46_v;
float t_13 = fmaxf(((t_12 * t_12) + (t_0 * t_0)), ((t_1 * t_1) + (t_7 * t_7)));
float t_14 = sqrtf(t_13);
float t_15 = t_13 / fabsf(((t_7 * t_12) - (t_1 * t_0)));
int t_16 = t_15 > floorf(maxAniso);
float tmp;
if ((t_11 / t_4) > floorf(maxAniso)) {
tmp = sqrtf(t_11) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_11)) * t_4;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf(fmaf(t_6, dX_46_v, (t_10 * dX_46_u)), t_9) / fabsf((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * t_3))) > floorf(maxAniso)) {
tmp_4 = t_14 / floorf(maxAniso);
} else {
tmp_4 = t_2 / t_14;
}
float tmp_5;
if (t_16) {
tmp_5 = floorf(maxAniso);
} else {
tmp_5 = t_13 / t_2;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_16) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_15;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(dY_46_v * floor(h)) t_2 = abs(Float32(Float32(Float32(dX_46_u * floor(h)) * dY_46_v) * floor(w))) t_3 = Float32(floor(w) * floor(h)) t_4 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * t_3)) t_5 = floor(h) ^ Float32(2.0) t_6 = Float32(t_5 * dX_46_v) t_7 = Float32(dY_46_u * floor(w)) t_8 = floor(w) ^ Float32(2.0) t_9 = fma(Float32(t_8 * dY_46_u), dY_46_u, Float32(Float32(t_5 * dY_46_v) * dY_46_v)) t_10 = Float32(t_8 * dX_46_u) t_11 = (fma(t_10, dX_46_u, Float32(t_6 * dX_46_v)) != fma(t_10, dX_46_u, Float32(t_6 * dX_46_v))) ? t_9 : ((t_9 != t_9) ? fma(t_10, dX_46_u, Float32(t_6 * dX_46_v)) : max(fma(t_10, dX_46_u, Float32(t_6 * dX_46_v)), t_9)) t_12 = Float32(floor(h) * dX_46_v) t_13 = (Float32(Float32(t_12 * t_12) + Float32(t_0 * t_0)) != Float32(Float32(t_12 * t_12) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_7 * t_7)) : ((Float32(Float32(t_1 * t_1) + Float32(t_7 * t_7)) != Float32(Float32(t_1 * t_1) + Float32(t_7 * t_7))) ? Float32(Float32(t_12 * t_12) + Float32(t_0 * t_0)) : max(Float32(Float32(t_12 * t_12) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_7 * t_7)))) t_14 = sqrt(t_13) t_15 = Float32(t_13 / abs(Float32(Float32(t_7 * t_12) - Float32(t_1 * t_0)))) t_16 = t_15 > floor(maxAniso) tmp = Float32(0.0) if (Float32(t_11 / t_4) > floor(maxAniso)) tmp = Float32(sqrt(t_11) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_11)) * t_4); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(((fma(t_6, dX_46_v, Float32(t_10 * dX_46_u)) != fma(t_6, dX_46_v, Float32(t_10 * dX_46_u))) ? t_9 : ((t_9 != t_9) ? fma(t_6, dX_46_v, Float32(t_10 * dX_46_u)) : max(fma(t_6, dX_46_v, Float32(t_10 * dX_46_u)), t_9))) / abs(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * t_3))) > floor(maxAniso)) tmp_4 = Float32(t_14 / floor(maxAniso)); else tmp_4 = Float32(t_2 / t_14); end tmp_5 = Float32(0.0) if (t_16) tmp_5 = floor(maxAniso); else tmp_5 = Float32(t_13 / t_2); 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_16) tmp_3 = floor(maxAniso); else tmp_3 = t_15; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_2 := \left|\left(\left(dX.u \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v\right) \cdot \left\lfloor w\right\rfloor \right|\\
t_3 := \left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_4 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot t\_3\right|\\
t_5 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_6 := t\_5 \cdot dX.v\\
t_7 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_8 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_9 := \mathsf{fma}\left(t\_8 \cdot dY.u, dY.u, \left(t\_5 \cdot dY.v\right) \cdot dY.v\right)\\
t_10 := t\_8 \cdot dX.u\\
t_11 := \mathsf{max}\left(\mathsf{fma}\left(t\_10, dX.u, t\_6 \cdot dX.v\right), t\_9\right)\\
t_12 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_13 := \mathsf{max}\left(t\_12 \cdot t\_12 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_7 \cdot t\_7\right)\\
t_14 := \sqrt{t\_13}\\
t_15 := \frac{t\_13}{\left|t\_7 \cdot t\_12 - t\_1 \cdot t\_0\right|}\\
t_16 := t\_15 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_11}{t\_4} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_11}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_11}} \cdot t\_4\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_6, dX.v, t\_10 \cdot dX.u\right), t\_9\right)}{\left|\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot t\_3\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_14}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_14}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_16:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{t\_13}{t\_2}\\
\end{array}\right)\\
\mathbf{elif}\;t\_16:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_15\\
\end{array}
\end{array}
Initial program 99.2%
Taylor expanded in w around 0
Applied rewrites88.1%
Taylor expanded in w around 0
Applied rewrites89.2%
Taylor expanded in dX.u around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
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.f3288.6
Applied rewrites88.2%
Taylor expanded in dX.u around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
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.f3289.2
Applied rewrites89.2%
Final simplification88.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* dY.v (floor h)))
(t_2 (* dY.u (floor w)))
(t_3 (pow (floor w) 2.0))
(t_4 (* (floor w) (floor h)))
(t_5 (fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) t_4)))
(t_6 (pow (floor h) 2.0))
(t_7 (fma (* t_3 dY.u) dY.u (* (* t_6 dY.v) dY.v)))
(t_8 (* t_6 dX.v))
(t_9 (* (floor h) dX.v))
(t_10 (fmax (+ (* t_9 t_9) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_11 (/ t_10 (fabs (- (* t_2 t_9) (* t_1 t_0)))))
(t_12 (sqrt t_10))
(t_13 (> t_11 (floor maxAniso)))
(t_14 (* t_3 dX.u))
(t_15 (fmax (fma t_14 dX.u (* t_8 dX.v)) t_7))
(t_16 (fabs (* (* (* dX.u (floor h)) dY.v) (floor w)))))
(if (<
(if (> (/ t_15 t_5) (floor maxAniso))
(/ (sqrt t_15) (floor maxAniso))
(* (sqrt (/ 1.0 t_15)) t_5))
1.0)
(fmax
1.0
(*
(if (> (/ t_10 t_16) (floor maxAniso))
(/ t_12 (floor maxAniso))
(/ t_16 t_12))
(if t_13
(floor maxAniso)
(/
(fmax (fma t_8 dX.v (* t_14 dX.u)) t_7)
(fabs (* (- (* dY.u dX.v) (* dY.v dX.u)) t_4))))))
(if t_13 (floor maxAniso) t_11))))
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(w) * dX_46_u;
float t_1 = dY_46_v * floorf(h);
float t_2 = dY_46_u * floorf(w);
float t_3 = powf(floorf(w), 2.0f);
float t_4 = floorf(w) * floorf(h);
float t_5 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * t_4));
float t_6 = powf(floorf(h), 2.0f);
float t_7 = fmaf((t_3 * dY_46_u), dY_46_u, ((t_6 * dY_46_v) * dY_46_v));
float t_8 = t_6 * dX_46_v;
float t_9 = floorf(h) * dX_46_v;
float t_10 = fmaxf(((t_9 * t_9) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_11 = t_10 / fabsf(((t_2 * t_9) - (t_1 * t_0)));
float t_12 = sqrtf(t_10);
int t_13 = t_11 > floorf(maxAniso);
float t_14 = t_3 * dX_46_u;
float t_15 = fmaxf(fmaf(t_14, dX_46_u, (t_8 * dX_46_v)), t_7);
float t_16 = fabsf((((dX_46_u * floorf(h)) * dY_46_v) * floorf(w)));
float tmp;
if ((t_15 / t_5) > floorf(maxAniso)) {
tmp = sqrtf(t_15) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_15)) * t_5;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((t_10 / t_16) > floorf(maxAniso)) {
tmp_4 = t_12 / floorf(maxAniso);
} else {
tmp_4 = t_16 / t_12;
}
float tmp_5;
if (t_13) {
tmp_5 = floorf(maxAniso);
} else {
tmp_5 = fmaxf(fmaf(t_8, dX_46_v, (t_14 * dX_46_u)), t_7) / fabsf((((dY_46_u * dX_46_v) - (dY_46_v * dX_46_u)) * t_4));
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_13) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_11;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(dY_46_v * floor(h)) t_2 = Float32(dY_46_u * floor(w)) t_3 = floor(w) ^ Float32(2.0) t_4 = Float32(floor(w) * floor(h)) t_5 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * t_4)) t_6 = floor(h) ^ Float32(2.0) t_7 = fma(Float32(t_3 * dY_46_u), dY_46_u, Float32(Float32(t_6 * dY_46_v) * dY_46_v)) t_8 = Float32(t_6 * dX_46_v) t_9 = Float32(floor(h) * dX_46_v) t_10 = (Float32(Float32(t_9 * t_9) + Float32(t_0 * t_0)) != Float32(Float32(t_9 * t_9) + 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_9 * t_9) + Float32(t_0 * t_0)) : max(Float32(Float32(t_9 * t_9) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)))) t_11 = Float32(t_10 / abs(Float32(Float32(t_2 * t_9) - Float32(t_1 * t_0)))) t_12 = sqrt(t_10) t_13 = t_11 > floor(maxAniso) t_14 = Float32(t_3 * dX_46_u) t_15 = (fma(t_14, dX_46_u, Float32(t_8 * dX_46_v)) != fma(t_14, dX_46_u, Float32(t_8 * dX_46_v))) ? t_7 : ((t_7 != t_7) ? fma(t_14, dX_46_u, Float32(t_8 * dX_46_v)) : max(fma(t_14, dX_46_u, Float32(t_8 * dX_46_v)), t_7)) t_16 = abs(Float32(Float32(Float32(dX_46_u * floor(h)) * dY_46_v) * floor(w))) tmp = Float32(0.0) if (Float32(t_15 / t_5) > floor(maxAniso)) tmp = Float32(sqrt(t_15) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_15)) * t_5); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(t_10 / t_16) > floor(maxAniso)) tmp_4 = Float32(t_12 / floor(maxAniso)); else tmp_4 = Float32(t_16 / t_12); end tmp_5 = Float32(0.0) if (t_13) tmp_5 = floor(maxAniso); else tmp_5 = Float32(((fma(t_8, dX_46_v, Float32(t_14 * dX_46_u)) != fma(t_8, dX_46_v, Float32(t_14 * dX_46_u))) ? t_7 : ((t_7 != t_7) ? fma(t_8, dX_46_v, Float32(t_14 * dX_46_u)) : max(fma(t_8, dX_46_v, Float32(t_14 * dX_46_u)), t_7))) / abs(Float32(Float32(Float32(dY_46_u * dX_46_v) - Float32(dY_46_v * dX_46_u)) * t_4))); 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_13) tmp_3 = floor(maxAniso); else tmp_3 = t_11; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_2 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_3 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_5 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot t\_4\right|\\
t_6 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_7 := \mathsf{fma}\left(t\_3 \cdot dY.u, dY.u, \left(t\_6 \cdot dY.v\right) \cdot dY.v\right)\\
t_8 := t\_6 \cdot dX.v\\
t_9 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_10 := \mathsf{max}\left(t\_9 \cdot t\_9 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_11 := \frac{t\_10}{\left|t\_2 \cdot t\_9 - t\_1 \cdot t\_0\right|}\\
t_12 := \sqrt{t\_10}\\
t_13 := t\_11 > \left\lfloor maxAniso\right\rfloor \\
t_14 := t\_3 \cdot dX.u\\
t_15 := \mathsf{max}\left(\mathsf{fma}\left(t\_14, dX.u, t\_8 \cdot dX.v\right), t\_7\right)\\
t_16 := \left|\left(\left(dX.u \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v\right) \cdot \left\lfloor w\right\rfloor \right|\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_15}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_15}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_15}} \cdot t\_5\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{t\_10}{t\_16} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_12}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_16}{t\_12}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_13:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_8, dX.v, t\_14 \cdot dX.u\right), t\_7\right)}{\left|\left(dY.u \cdot dX.v - dY.v \cdot dX.u\right) \cdot t\_4\right|}\\
\end{array}\right)\\
\mathbf{elif}\;t\_13:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array}
\end{array}
Initial program 99.2%
Taylor expanded in w around 0
Applied rewrites88.1%
Taylor expanded in w around 0
Applied rewrites88.5%
Taylor expanded in dX.u around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
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.f3288.5
Applied rewrites88.1%
Taylor expanded in dX.u around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
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.f3288.5
Applied rewrites88.1%
Final simplification88.1%
herbie shell --seed 2024284
(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))))))))