
(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 9 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 (* dX.u (floor w)))
(t_1 (* dY.u (floor w)))
(t_2 (fabs (* (floor h) (- (* t_1 dX.v) (* dY.v t_0)))))
(t_3
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_0 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_1 2.0))))
(t_4 (sqrt t_3))
(t_5 (/ t_3 t_2))
(t_6 (> t_5 (floor maxAniso)))
(t_7 (if t_6 (/ t_4 (floor maxAniso)) (/ t_2 t_4)))
(t_8 (if t_6 (floor maxAniso) t_5)))
(if (< t_7 1.0) (fmax 1.0 (* t_8 t_7)) 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 = dX_46_u * floorf(w);
float t_1 = dY_46_u * floorf(w);
float t_2 = fabsf((floorf(h) * ((t_1 * dX_46_v) - (dY_46_v * t_0))));
float t_3 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_0, 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_1, 2.0f)));
float t_4 = sqrtf(t_3);
float t_5 = t_3 / t_2;
int t_6 = t_5 > floorf(maxAniso);
float tmp;
if (t_6) {
tmp = t_4 / floorf(maxAniso);
} else {
tmp = t_2 / t_4;
}
float t_7 = tmp;
float tmp_1;
if (t_6) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_5;
}
float t_8 = tmp_1;
float tmp_2;
if (t_7 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_8 * t_7));
} else {
tmp_2 = t_8;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_u * floor(w)) t_1 = Float32(dY_46_u * floor(w)) t_2 = abs(Float32(floor(h) * Float32(Float32(t_1 * dX_46_v) - Float32(dY_46_v * t_0)))) t_3 = (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))))) t_4 = sqrt(t_3) t_5 = Float32(t_3 / t_2) t_6 = t_5 > floor(maxAniso) tmp = Float32(0.0) if (t_6) tmp = Float32(t_4 / floor(maxAniso)); else tmp = Float32(t_2 / t_4); end t_7 = tmp tmp_1 = Float32(0.0) if (t_6) tmp_1 = floor(maxAniso); else tmp_1 = t_5; end t_8 = tmp_1 tmp_2 = Float32(0.0) if (t_7 < Float32(1.0)) tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_8 * t_7) : ((Float32(t_8 * t_7) != Float32(t_8 * t_7)) ? Float32(1.0) : max(Float32(1.0), Float32(t_8 * t_7))); else tmp_2 = t_8; 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 = dX_46_u * floor(w); t_1 = dY_46_u * floor(w); t_2 = abs((floor(h) * ((t_1 * dX_46_v) - (dY_46_v * t_0)))); t_3 = max((((dX_46_v * floor(h)) ^ single(2.0)) + (t_0 ^ single(2.0))), (((dY_46_v * floor(h)) ^ single(2.0)) + (t_1 ^ single(2.0)))); t_4 = sqrt(t_3); t_5 = t_3 / t_2; t_6 = t_5 > floor(maxAniso); tmp = single(0.0); if (t_6) tmp = t_4 / floor(maxAniso); else tmp = t_2 / t_4; end t_7 = tmp; tmp_2 = single(0.0); if (t_6) tmp_2 = floor(maxAniso); else tmp_2 = t_5; end t_8 = tmp_2; tmp_3 = single(0.0); if (t_7 < single(1.0)) tmp_3 = max(single(1.0), (t_8 * t_7)); else tmp_3 = t_8; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_2 := \left|\left\lfloor h\right\rfloor \cdot \left(t\_1 \cdot dX.v - dY.v \cdot t\_0\right)\right|\\
t_3 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_0}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_1}^{2}\right)\\
t_4 := \sqrt{t\_3}\\
t_5 := \frac{t\_3}{t\_2}\\
t_6 := t\_5 > \left\lfloor maxAniso\right\rfloor \\
t_7 := \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\frac{t\_4}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_4}\\
\end{array}\\
t_8 := \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{if}\;t\_7 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_8 \cdot t\_7\right)\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
Initial program 98.4%
Applied rewrites98.4%
Final simplification98.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (* dY.u (floor w)))
(t_2
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_0 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_1 2.0))))
(t_3 (sqrt t_2))
(t_4 (/ t_2 (fabs (* (floor h) (- (* t_1 dX.v) (* dY.v t_0))))))
(t_5 (> t_4 (floor maxAniso)))
(t_6 (if t_5 (floor maxAniso) t_4))
(t_7
(if t_5
(/ t_3 (floor maxAniso))
(/ (fabs (* (floor h) (* (* (floor w) dY.v) dX.u))) t_3))))
(if (< t_7 1.0) (fmax 1.0 (* t_6 t_7)) t_6)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dX_46_u * floorf(w);
float t_1 = dY_46_u * floorf(w);
float t_2 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_0, 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_1, 2.0f)));
float t_3 = sqrtf(t_2);
float t_4 = t_2 / fabsf((floorf(h) * ((t_1 * dX_46_v) - (dY_46_v * t_0))));
int t_5 = t_4 > floorf(maxAniso);
float tmp;
if (t_5) {
tmp = floorf(maxAniso);
} else {
tmp = t_4;
}
float t_6 = tmp;
float tmp_1;
if (t_5) {
tmp_1 = t_3 / floorf(maxAniso);
} else {
tmp_1 = fabsf((floorf(h) * ((floorf(w) * dY_46_v) * dX_46_u))) / t_3;
}
float t_7 = tmp_1;
float tmp_2;
if (t_7 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_6 * t_7));
} else {
tmp_2 = t_6;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_u * floor(w)) t_1 = Float32(dY_46_u * floor(w)) t_2 = (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))))) t_3 = sqrt(t_2) t_4 = Float32(t_2 / abs(Float32(floor(h) * Float32(Float32(t_1 * dX_46_v) - Float32(dY_46_v * t_0))))) t_5 = t_4 > floor(maxAniso) tmp = Float32(0.0) if (t_5) tmp = floor(maxAniso); else tmp = t_4; end t_6 = tmp tmp_1 = Float32(0.0) if (t_5) tmp_1 = Float32(t_3 / floor(maxAniso)); else tmp_1 = Float32(abs(Float32(floor(h) * Float32(Float32(floor(w) * dY_46_v) * dX_46_u))) / t_3); end t_7 = tmp_1 tmp_2 = Float32(0.0) if (t_7 < Float32(1.0)) tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_6 * t_7) : ((Float32(t_6 * t_7) != Float32(t_6 * t_7)) ? Float32(1.0) : max(Float32(1.0), Float32(t_6 * t_7))); else tmp_2 = t_6; 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 = dX_46_u * floor(w); t_1 = dY_46_u * floor(w); t_2 = max((((dX_46_v * floor(h)) ^ single(2.0)) + (t_0 ^ single(2.0))), (((dY_46_v * floor(h)) ^ single(2.0)) + (t_1 ^ single(2.0)))); t_3 = sqrt(t_2); t_4 = t_2 / abs((floor(h) * ((t_1 * dX_46_v) - (dY_46_v * t_0)))); t_5 = t_4 > floor(maxAniso); tmp = single(0.0); if (t_5) tmp = floor(maxAniso); else tmp = t_4; end t_6 = tmp; tmp_2 = single(0.0); if (t_5) tmp_2 = t_3 / floor(maxAniso); else tmp_2 = abs((floor(h) * ((floor(w) * dY_46_v) * dX_46_u))) / t_3; end t_7 = tmp_2; tmp_3 = single(0.0); if (t_7 < single(1.0)) tmp_3 = max(single(1.0), (t_6 * t_7)); else tmp_3 = t_6; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_2 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_0}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_1}^{2}\right)\\
t_3 := \sqrt{t\_2}\\
t_4 := \frac{t\_2}{\left|\left\lfloor h\right\rfloor \cdot \left(t\_1 \cdot dX.v - dY.v \cdot t\_0\right)\right|}\\
t_5 := t\_4 > \left\lfloor maxAniso\right\rfloor \\
t_6 := \begin{array}{l}
\mathbf{if}\;t\_5:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_4\\
\end{array}\\
t_7 := \begin{array}{l}
\mathbf{if}\;t\_5:\\
\;\;\;\;\frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left\lfloor h\right\rfloor \cdot \left(\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot dX.u\right)\right|}{t\_3}\\
\end{array}\\
\mathbf{if}\;t\_7 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_6 \cdot t\_7\right)\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}
\end{array}
Initial program 98.4%
Applied rewrites98.4%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3298.3
Applied rewrites98.3%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3298.4
Applied rewrites98.4%
Final simplification98.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (* dY.u (floor w)))
(t_2
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_0 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_1 2.0))))
(t_3 (sqrt t_2))
(t_4 (/ t_3 (floor maxAniso)))
(t_5 (/ t_2 (fabs (* (floor h) (- (* t_1 dX.v) (* dY.v t_0))))))
(t_6 (> t_5 (floor maxAniso)))
(t_7 (if t_6 (floor maxAniso) t_5))
(t_8 (fabs (* (floor h) (* (* (floor w) dY.v) dX.u))))
(t_9 (/ t_8 t_3)))
(if (< (if t_6 t_4 t_9) 1.0)
(fmax 1.0 (* t_7 (if (> (/ t_2 t_8) (floor maxAniso)) t_4 t_9)))
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 = dX_46_u * floorf(w);
float t_1 = dY_46_u * floorf(w);
float t_2 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_0, 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_1, 2.0f)));
float t_3 = sqrtf(t_2);
float t_4 = t_3 / floorf(maxAniso);
float t_5 = t_2 / fabsf((floorf(h) * ((t_1 * dX_46_v) - (dY_46_v * t_0))));
int t_6 = t_5 > floorf(maxAniso);
float tmp;
if (t_6) {
tmp = floorf(maxAniso);
} else {
tmp = t_5;
}
float t_7 = tmp;
float t_8 = fabsf((floorf(h) * ((floorf(w) * dY_46_v) * dX_46_u)));
float t_9 = t_8 / t_3;
float tmp_1;
if (t_6) {
tmp_1 = t_4;
} else {
tmp_1 = t_9;
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if ((t_2 / t_8) > floorf(maxAniso)) {
tmp_4 = t_4;
} else {
tmp_4 = t_9;
}
tmp_3 = fmaxf(1.0f, (t_7 * tmp_4));
} else {
tmp_3 = t_7;
}
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_u * floor(w)) t_1 = Float32(dY_46_u * floor(w)) t_2 = (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))))) t_3 = sqrt(t_2) t_4 = Float32(t_3 / floor(maxAniso)) t_5 = Float32(t_2 / abs(Float32(floor(h) * Float32(Float32(t_1 * dX_46_v) - Float32(dY_46_v * t_0))))) t_6 = t_5 > floor(maxAniso) tmp = Float32(0.0) if (t_6) tmp = floor(maxAniso); else tmp = t_5; end t_7 = tmp t_8 = abs(Float32(floor(h) * Float32(Float32(floor(w) * dY_46_v) * dX_46_u))) t_9 = Float32(t_8 / t_3) tmp_1 = Float32(0.0) if (t_6) tmp_1 = t_4; else tmp_1 = t_9; end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(t_2 / t_8) > floor(maxAniso)) tmp_4 = t_4; else tmp_4 = t_9; end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(t_7 * tmp_4) : ((Float32(t_7 * tmp_4) != Float32(t_7 * tmp_4)) ? Float32(1.0) : max(Float32(1.0), Float32(t_7 * tmp_4))); else tmp_3 = t_7; 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 = dX_46_u * floor(w); t_1 = dY_46_u * floor(w); t_2 = max((((dX_46_v * floor(h)) ^ single(2.0)) + (t_0 ^ single(2.0))), (((dY_46_v * floor(h)) ^ single(2.0)) + (t_1 ^ single(2.0)))); t_3 = sqrt(t_2); t_4 = t_3 / floor(maxAniso); t_5 = t_2 / abs((floor(h) * ((t_1 * dX_46_v) - (dY_46_v * t_0)))); t_6 = t_5 > floor(maxAniso); tmp = single(0.0); if (t_6) tmp = floor(maxAniso); else tmp = t_5; end t_7 = tmp; t_8 = abs((floor(h) * ((floor(w) * dY_46_v) * dX_46_u))); t_9 = t_8 / t_3; tmp_2 = single(0.0); if (t_6) tmp_2 = t_4; else tmp_2 = t_9; end tmp_4 = single(0.0); if (tmp_2 < single(1.0)) tmp_5 = single(0.0); if ((t_2 / t_8) > floor(maxAniso)) tmp_5 = t_4; else tmp_5 = t_9; end tmp_4 = max(single(1.0), (t_7 * tmp_5)); else tmp_4 = t_7; end tmp_6 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_2 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_0}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_1}^{2}\right)\\
t_3 := \sqrt{t\_2}\\
t_4 := \frac{t\_3}{\left\lfloor maxAniso\right\rfloor }\\
t_5 := \frac{t\_2}{\left|\left\lfloor h\right\rfloor \cdot \left(t\_1 \cdot dX.v - dY.v \cdot t\_0\right)\right|}\\
t_6 := t\_5 > \left\lfloor maxAniso\right\rfloor \\
t_7 := \begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
t_8 := \left|\left\lfloor h\right\rfloor \cdot \left(\left(\left\lfloor w\right\rfloor \cdot dY.v\right) \cdot dX.u\right)\right|\\
t_9 := \frac{t\_8}{t\_3}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_6:\\
\;\;\;\;t\_4\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_7 \cdot \begin{array}{l}
\mathbf{if}\;\frac{t\_2}{t\_8} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_4\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}
\end{array}
Initial program 98.4%
Applied rewrites98.4%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3298.3
Applied rewrites98.3%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3298.4
Applied rewrites98.4%
Taylor expanded in dX.u around inf
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3298.4
Applied rewrites98.4%
Final simplification98.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1
(fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) (* (floor w) (floor h)))))
(t_2 (pow (floor w) 2.0))
(t_3 (* t_2 dX.u))
(t_4 (fma t_3 dX.u (* (* t_0 dX.v) dX.v)))
(t_5 (fma (* t_2 dY.u) dY.u (* (* t_0 dY.v) dY.v)))
(t_6 (fmax t_4 t_5))
(t_7 (* (sqrt (/ 1.0 t_6)) t_1))
(t_8
(<
(if (> (/ (fmax (* t_3 dX.u) t_5) t_1) (floor maxAniso))
(/
(sqrt
(fmax (fma t_0 (* dX.v dX.v) (pow (* dX.u (floor w)) 2.0)) t_5))
(floor maxAniso))
t_7)
1.0))
(t_9 (/ t_6 t_1))
(t_10 (> t_9 (floor maxAniso)))
(t_11
(fmax
1.0
(*
(if t_10 (floor maxAniso) t_9)
(if t_10 (/ (sqrt t_6) (floor maxAniso)) t_7)))))
(if (or (<= dX.v -4000.0) (not (<= dX.v 0.004999999888241291)))
(if t_8
t_11
(if (>
(/
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_5)
t_1)
(floor maxAniso))
(floor maxAniso)
t_9))
(if t_8
t_11
(if (>
(/
(fmax
t_4
(+ (pow (* (floor h) dY.v) 2.0) (pow (* dY.u (floor w)) 2.0)))
t_1)
(floor maxAniso))
(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(floorf(h), 2.0f);
float t_1 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * (floorf(w) * floorf(h))));
float t_2 = powf(floorf(w), 2.0f);
float t_3 = t_2 * dX_46_u;
float t_4 = fmaf(t_3, dX_46_u, ((t_0 * dX_46_v) * dX_46_v));
float t_5 = fmaf((t_2 * dY_46_u), dY_46_u, ((t_0 * dY_46_v) * dY_46_v));
float t_6 = fmaxf(t_4, t_5);
float t_7 = sqrtf((1.0f / t_6)) * t_1;
float tmp;
if ((fmaxf((t_3 * dX_46_u), t_5) / t_1) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(fmaf(t_0, (dX_46_v * dX_46_v), powf((dX_46_u * floorf(w)), 2.0f)), t_5)) / floorf(maxAniso);
} else {
tmp = t_7;
}
int t_8 = tmp < 1.0f;
float t_9 = t_6 / t_1;
int t_10 = t_9 > floorf(maxAniso);
float tmp_1;
if (t_10) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_9;
}
float tmp_2;
if (t_10) {
tmp_2 = sqrtf(t_6) / floorf(maxAniso);
} else {
tmp_2 = t_7;
}
float t_11 = fmaxf(1.0f, (tmp_1 * tmp_2));
float tmp_4;
if ((dX_46_v <= -4000.0f) || !(dX_46_v <= 0.004999999888241291f)) {
float tmp_5;
if (t_8) {
tmp_5 = t_11;
} else if ((fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_5) / t_1) > floorf(maxAniso)) {
tmp_5 = floorf(maxAniso);
} else {
tmp_5 = t_9;
}
tmp_4 = tmp_5;
} else if (t_8) {
tmp_4 = t_11;
} else if ((fmaxf(t_4, (powf((floorf(h) * dY_46_v), 2.0f) + powf((dY_46_u * floorf(w)), 2.0f))) / t_1) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_9;
}
return tmp_4;
}
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 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * Float32(floor(w) * floor(h)))) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(t_2 * dX_46_u) t_4 = fma(t_3, dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v)) t_5 = fma(Float32(t_2 * dY_46_u), dY_46_u, Float32(Float32(t_0 * dY_46_v) * dY_46_v)) t_6 = (t_4 != t_4) ? t_5 : ((t_5 != t_5) ? t_4 : max(t_4, t_5)) t_7 = Float32(sqrt(Float32(Float32(1.0) / t_6)) * t_1) tmp = Float32(0.0) if (Float32(((Float32(t_3 * dX_46_u) != Float32(t_3 * dX_46_u)) ? t_5 : ((t_5 != t_5) ? Float32(t_3 * dX_46_u) : max(Float32(t_3 * dX_46_u), t_5))) / t_1) > floor(maxAniso)) tmp = Float32(sqrt(((fma(t_0, Float32(dX_46_v * dX_46_v), (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) != fma(t_0, Float32(dX_46_v * dX_46_v), (Float32(dX_46_u * floor(w)) ^ Float32(2.0)))) ? t_5 : ((t_5 != t_5) ? fma(t_0, Float32(dX_46_v * dX_46_v), (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) : max(fma(t_0, Float32(dX_46_v * dX_46_v), (Float32(dX_46_u * floor(w)) ^ Float32(2.0))), t_5)))) / floor(maxAniso)); else tmp = t_7; end t_8 = tmp < Float32(1.0) t_9 = Float32(t_6 / t_1) t_10 = t_9 > floor(maxAniso) tmp_1 = Float32(0.0) if (t_10) tmp_1 = floor(maxAniso); else tmp_1 = t_9; end tmp_2 = Float32(0.0) if (t_10) tmp_2 = Float32(sqrt(t_6) / floor(maxAniso)); else tmp_2 = t_7; end t_11 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_1 * tmp_2) : ((Float32(tmp_1 * tmp_2) != Float32(tmp_1 * tmp_2)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_1 * tmp_2))) tmp_4 = Float32(0.0) if ((dX_46_v <= Float32(-4000.0)) || !(dX_46_v <= Float32(0.004999999888241291))) tmp_5 = Float32(0.0) if (t_8) tmp_5 = t_11; elseif (Float32(((Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? t_5 : ((t_5 != t_5) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), t_5))) / t_1) > floor(maxAniso)) tmp_5 = floor(maxAniso); else tmp_5 = t_9; end tmp_4 = tmp_5; elseif (t_8) tmp_4 = t_11; elseif (Float32(((t_4 != t_4) ? Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) : ((Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) != Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))) ? t_4 : max(t_4, Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))))) / t_1) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = t_9; end return tmp_4 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := t\_2 \cdot dX.u\\
t_4 := \mathsf{fma}\left(t\_3, dX.u, \left(t\_0 \cdot dX.v\right) \cdot dX.v\right)\\
t_5 := \mathsf{fma}\left(t\_2 \cdot dY.u, dY.u, \left(t\_0 \cdot dY.v\right) \cdot dY.v\right)\\
t_6 := \mathsf{max}\left(t\_4, t\_5\right)\\
t_7 := \sqrt{\frac{1}{t\_6}} \cdot t\_1\\
t_8 := \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_3 \cdot dX.u, t\_5\right)}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(t\_0, dX.v \cdot dX.v, {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right), t\_5\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array} < 1\\
t_9 := \frac{t\_6}{t\_1}\\
t_10 := t\_9 > \left\lfloor maxAniso\right\rfloor \\
t_11 := \mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_10:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_10:\\
\;\;\;\;\frac{\sqrt{t\_6}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\right)\\
\mathbf{if}\;dX.v \leq -4000 \lor \neg \left(dX.v \leq 0.004999999888241291\right):\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;t\_11\\
\mathbf{elif}\;\frac{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, t\_5\right)}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}\\
\mathbf{elif}\;t\_8:\\
\;\;\;\;t\_11\\
\mathbf{elif}\;\frac{\mathsf{max}\left(t\_4, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)}{t\_1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
if dX.v < -4e3 or 0.00499999989 < dX.v Initial program 96.6%
Taylor expanded in w around 0
Applied rewrites37.9%
Applied rewrites32.8%
Taylor expanded in dX.u around inf
Applied rewrites43.2%
Applied rewrites51.6%
if -4e3 < dX.v < 0.00499999989Initial program 100.0%
Taylor expanded in w around 0
Applied rewrites33.5%
Applied rewrites31.1%
Taylor expanded in dX.u around inf
Applied rewrites33.2%
Applied rewrites52.5%
Final simplification52.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* t_0 dX.u))
(t_2 (pow (floor h) 2.0))
(t_3 (fma (* t_0 dY.u) dY.u (* (* t_2 dY.v) dY.v)))
(t_4 (fmax (fma t_1 dX.u (* (* t_2 dX.v) dX.v)) t_3))
(t_5
(fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) (* (floor w) (floor h)))))
(t_6 (/ t_4 t_5))
(t_7 (> t_6 (floor maxAniso)))
(t_8 (* (sqrt (/ 1.0 t_4)) t_5)))
(if (<
(if (> (/ (fmax (* t_1 dX.u) t_3) t_5) (floor maxAniso))
(/
(sqrt
(fmax (fma t_2 (* dX.v dX.v) (pow (* dX.u (floor w)) 2.0)) t_3))
(floor maxAniso))
t_8)
1.0)
(fmax
1.0
(*
(if t_7 (floor maxAniso) t_6)
(if t_7 (/ (sqrt t_4) (floor maxAniso)) t_8)))
(if (>
(/
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_3)
t_5)
(floor maxAniso))
(floor maxAniso)
t_6))))
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(w), 2.0f);
float t_1 = t_0 * dX_46_u;
float t_2 = powf(floorf(h), 2.0f);
float t_3 = fmaf((t_0 * dY_46_u), dY_46_u, ((t_2 * dY_46_v) * dY_46_v));
float t_4 = fmaxf(fmaf(t_1, dX_46_u, ((t_2 * dX_46_v) * dX_46_v)), t_3);
float t_5 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * (floorf(w) * floorf(h))));
float t_6 = t_4 / t_5;
int t_7 = t_6 > floorf(maxAniso);
float t_8 = sqrtf((1.0f / t_4)) * t_5;
float tmp;
if ((fmaxf((t_1 * dX_46_u), t_3) / t_5) > floorf(maxAniso)) {
tmp = sqrtf(fmaxf(fmaf(t_2, (dX_46_v * dX_46_v), powf((dX_46_u * floorf(w)), 2.0f)), t_3)) / floorf(maxAniso);
} else {
tmp = t_8;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_7) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_6;
}
float tmp_5;
if (t_7) {
tmp_5 = sqrtf(t_4) / floorf(maxAniso);
} else {
tmp_5 = t_8;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if ((fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_3) / t_5) > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_6;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(t_0 * dX_46_u) t_2 = floor(h) ^ Float32(2.0) t_3 = fma(Float32(t_0 * dY_46_u), dY_46_u, Float32(Float32(t_2 * dY_46_v) * dY_46_v)) t_4 = (fma(t_1, dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)) != fma(t_1, dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v))) ? t_3 : ((t_3 != t_3) ? fma(t_1, dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)) : max(fma(t_1, dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)), t_3)) t_5 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * Float32(floor(w) * floor(h)))) t_6 = Float32(t_4 / t_5) t_7 = t_6 > floor(maxAniso) t_8 = Float32(sqrt(Float32(Float32(1.0) / t_4)) * t_5) tmp = Float32(0.0) if (Float32(((Float32(t_1 * dX_46_u) != Float32(t_1 * dX_46_u)) ? t_3 : ((t_3 != t_3) ? Float32(t_1 * dX_46_u) : max(Float32(t_1 * dX_46_u), t_3))) / t_5) > floor(maxAniso)) tmp = Float32(sqrt(((fma(t_2, Float32(dX_46_v * dX_46_v), (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) != fma(t_2, Float32(dX_46_v * dX_46_v), (Float32(dX_46_u * floor(w)) ^ Float32(2.0)))) ? t_3 : ((t_3 != t_3) ? fma(t_2, Float32(dX_46_v * dX_46_v), (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) : max(fma(t_2, Float32(dX_46_v * dX_46_v), (Float32(dX_46_u * floor(w)) ^ Float32(2.0))), t_3)))) / floor(maxAniso)); else tmp = t_8; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_7) tmp_4 = floor(maxAniso); else tmp_4 = t_6; end tmp_5 = Float32(0.0) if (t_7) tmp_5 = Float32(sqrt(t_4) / floor(maxAniso)); else tmp_5 = t_8; 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 (Float32(((Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? t_3 : ((t_3 != t_3) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), t_3))) / t_5) > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_6; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot dX.u\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \mathsf{fma}\left(t\_0 \cdot dY.u, dY.u, \left(t\_2 \cdot dY.v\right) \cdot dY.v\right)\\
t_4 := \mathsf{max}\left(\mathsf{fma}\left(t\_1, dX.u, \left(t\_2 \cdot dX.v\right) \cdot dX.v\right), t\_3\right)\\
t_5 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_6 := \frac{t\_4}{t\_5}\\
t_7 := t\_6 > \left\lfloor maxAniso\right\rfloor \\
t_8 := \sqrt{\frac{1}{t\_4}} \cdot t\_5\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_1 \cdot dX.u, t\_3\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(t\_2, dX.v \cdot dX.v, {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right), t\_3\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_7:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_7:\\
\;\;\;\;\frac{\sqrt{t\_4}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\right)\\
\mathbf{elif}\;\frac{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, t\_3\right)}{t\_5} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}
\end{array}
Initial program 98.4%
Taylor expanded in w around 0
Applied rewrites35.0%
Applied rewrites32.2%
Taylor expanded in dX.u around inf
Applied rewrites38.9%
Applied rewrites50.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* t_0 dY.u))
(t_2
(fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) (* (floor w) (floor h)))))
(t_3 (pow (floor h) 2.0))
(t_4 (fma (* t_0 dX.u) dX.u (* (* t_3 dX.v) dX.v)))
(t_5 (fmax t_4 (fma t_1 dY.u (* (* t_3 dY.v) dY.v))))
(t_6 (* (sqrt (/ 1.0 t_5)) t_2))
(t_7 (/ (sqrt t_5) (floor maxAniso)))
(t_8 (/ t_5 t_2))
(t_9 (> t_8 (floor maxAniso))))
(if (<
(if (>
(/
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0))
(* t_1 dY.u))
t_2)
(floor maxAniso))
t_7
t_6)
1.0)
(fmax 1.0 (* (if t_9 (floor maxAniso) t_8) (if t_9 t_7 t_6)))
(if (>
(/
(fmax
t_4
(+ (pow (* (floor h) dY.v) 2.0) (pow (* dY.u (floor w)) 2.0)))
t_2)
(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(w), 2.0f);
float t_1 = t_0 * dY_46_u;
float t_2 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * (floorf(w) * floorf(h))));
float t_3 = powf(floorf(h), 2.0f);
float t_4 = fmaf((t_0 * dX_46_u), dX_46_u, ((t_3 * dX_46_v) * dX_46_v));
float t_5 = fmaxf(t_4, fmaf(t_1, dY_46_u, ((t_3 * dY_46_v) * dY_46_v)));
float t_6 = sqrtf((1.0f / t_5)) * t_2;
float t_7 = sqrtf(t_5) / floorf(maxAniso);
float t_8 = t_5 / t_2;
int t_9 = t_8 > floorf(maxAniso);
float tmp;
if ((fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)), (t_1 * dY_46_u)) / t_2) > floorf(maxAniso)) {
tmp = t_7;
} else {
tmp = t_6;
}
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_7;
} else {
tmp_5 = t_6;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if ((fmaxf(t_4, (powf((floorf(h) * dY_46_v), 2.0f) + powf((dY_46_u * floorf(w)), 2.0f))) / t_2) > 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(w) ^ Float32(2.0) t_1 = Float32(t_0 * dY_46_u) t_2 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * Float32(floor(w) * floor(h)))) t_3 = floor(h) ^ Float32(2.0) t_4 = fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_3 * dX_46_v) * dX_46_v)) t_5 = (t_4 != t_4) ? fma(t_1, dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v)) : ((fma(t_1, dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v)) != fma(t_1, dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v))) ? t_4 : max(t_4, fma(t_1, dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v)))) t_6 = Float32(sqrt(Float32(Float32(1.0) / t_5)) * t_2) t_7 = Float32(sqrt(t_5) / floor(maxAniso)) t_8 = Float32(t_5 / t_2) t_9 = t_8 > floor(maxAniso) tmp = Float32(0.0) if (Float32(((Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0)))) ? Float32(t_1 * dY_46_u) : ((Float32(t_1 * dY_46_u) != Float32(t_1 * dY_46_u)) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))), Float32(t_1 * dY_46_u)))) / t_2) > floor(maxAniso)) tmp = t_7; else tmp = t_6; 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_7; else tmp_5 = t_6; 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 (Float32(((t_4 != t_4) ? Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) : ((Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) != Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))) ? t_4 : max(t_4, Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))))) / t_2) > 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 w\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot dY.u\\
t_2 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := \mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, \left(t\_3 \cdot dX.v\right) \cdot dX.v\right)\\
t_5 := \mathsf{max}\left(t\_4, \mathsf{fma}\left(t\_1, dY.u, \left(t\_3 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_6 := \sqrt{\frac{1}{t\_5}} \cdot t\_2\\
t_7 := \frac{\sqrt{t\_5}}{\left\lfloor maxAniso\right\rfloor }\\
t_8 := \frac{t\_5}{t\_2}\\
t_9 := t\_8 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}, t\_1 \cdot dY.u\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\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\_7\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\right)\\
\mathbf{elif}\;\frac{\mathsf{max}\left(t\_4, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
Initial program 98.4%
Taylor expanded in w around 0
Applied rewrites35.2%
Applied rewrites55.3%
Taylor expanded in dY.u around inf
Applied rewrites37.3%
Applied rewrites47.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* t_0 dY.u))
(t_2
(fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) (* (floor w) (floor h)))))
(t_3 (pow (floor h) 2.0))
(t_4 (fma t_1 dY.u (* (* t_3 dY.v) dY.v)))
(t_5 (fmax (fma (* t_0 dX.u) dX.u (* (* t_3 dX.v) dX.v)) t_4))
(t_6 (* (sqrt (/ 1.0 t_5)) t_2))
(t_7 (/ t_5 t_2))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (floor maxAniso) t_7)))
(if (<
(if (>
(/
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0))
(* t_1 dY.u))
t_2)
(floor maxAniso))
(/ (sqrt t_5) (floor maxAniso))
t_6)
1.0)
(fmax
1.0
(*
t_9
(if t_8
(/
(sqrt
(fmax
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0))
t_4))
(floor maxAniso))
t_6)))
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(floorf(w), 2.0f);
float t_1 = t_0 * dY_46_u;
float t_2 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * (floorf(w) * floorf(h))));
float t_3 = powf(floorf(h), 2.0f);
float t_4 = fmaf(t_1, dY_46_u, ((t_3 * dY_46_v) * dY_46_v));
float t_5 = fmaxf(fmaf((t_0 * dX_46_u), dX_46_u, ((t_3 * dX_46_v) * dX_46_v)), t_4);
float t_6 = sqrtf((1.0f / t_5)) * t_2;
float t_7 = t_5 / t_2;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = floorf(maxAniso);
} else {
tmp = t_7;
}
float t_9 = tmp;
float tmp_1;
if ((fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)), (t_1 * dY_46_u)) / t_2) > floorf(maxAniso)) {
tmp_1 = sqrtf(t_5) / floorf(maxAniso);
} else {
tmp_1 = t_6;
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_8) {
tmp_4 = sqrtf(fmaxf((powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), t_4)) / floorf(maxAniso);
} else {
tmp_4 = t_6;
}
tmp_3 = fmaxf(1.0f, (t_9 * tmp_4));
} 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 = floor(w) ^ Float32(2.0) t_1 = Float32(t_0 * dY_46_u) t_2 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * Float32(floor(w) * floor(h)))) t_3 = floor(h) ^ Float32(2.0) t_4 = fma(t_1, dY_46_u, Float32(Float32(t_3 * dY_46_v) * dY_46_v)) t_5 = (fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_3 * dX_46_v) * dX_46_v)) != fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_3 * dX_46_v) * dX_46_v))) ? t_4 : ((t_4 != t_4) ? fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_3 * dX_46_v) * dX_46_v)) : max(fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(t_3 * dX_46_v) * dX_46_v)), t_4)) t_6 = Float32(sqrt(Float32(Float32(1.0) / t_5)) * t_2) t_7 = Float32(t_5 / t_2) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = floor(maxAniso); else tmp = t_7; end t_9 = tmp tmp_1 = Float32(0.0) if (Float32(((Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0)))) ? Float32(t_1 * dY_46_u) : ((Float32(t_1 * dY_46_u) != Float32(t_1 * dY_46_u)) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))), Float32(t_1 * dY_46_u)))) / t_2) > floor(maxAniso)) tmp_1 = Float32(sqrt(t_5) / floor(maxAniso)); else tmp_1 = t_6; end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_8) tmp_4 = Float32(sqrt(((Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) != Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0)))) ? t_4 : ((t_4 != t_4) ? Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) : max(Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), t_4)))) / floor(maxAniso)); else tmp_4 = t_6; end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(t_9 * tmp_4) : ((Float32(t_9 * tmp_4) != Float32(t_9 * tmp_4)) ? Float32(1.0) : max(Float32(1.0), Float32(t_9 * tmp_4))); else tmp_3 = t_9; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot dY.u\\
t_2 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|\\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := \mathsf{fma}\left(t\_1, dY.u, \left(t\_3 \cdot dY.v\right) \cdot dY.v\right)\\
t_5 := \mathsf{max}\left(\mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, \left(t\_3 \cdot dX.v\right) \cdot dX.v\right), t\_4\right)\\
t_6 := \sqrt{\frac{1}{t\_5}} \cdot t\_2\\
t_7 := \frac{t\_5}{t\_2}\\
t_8 := t\_7 > \left\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}, t\_1 \cdot dY.u\right)}{t\_2} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_9 \cdot \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, t\_4\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
Initial program 98.4%
Taylor expanded in w around 0
Applied rewrites35.3%
Applied rewrites54.8%
Taylor expanded in dY.u around inf
Applied rewrites37.3%
Applied rewrites38.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) (floor h)))
(t_1 (pow (floor w) 2.0))
(t_2 (* t_1 dY.u))
(t_3 (fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) t_0)))
(t_4 (pow (floor h) 2.0))
(t_5
(fmax
(fma (* t_1 dX.u) dX.u (* (* t_4 dX.v) dX.v))
(fma t_2 dY.u (* (* t_4 dY.v) dY.v))))
(t_6 (sqrt (/ 1.0 t_5)))
(t_7 (/ (sqrt t_5) (floor maxAniso)))
(t_8 (/ t_5 t_3))
(t_9 (> t_8 (floor maxAniso)))
(t_10 (if t_9 (floor maxAniso) t_8)))
(if (<
(if (>
(/
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0))
(* t_2 dY.u))
t_3)
(floor maxAniso))
t_7
(* t_6 (fabs (* (* (- dX.u) dY.v) t_0))))
1.0)
(fmax 1.0 (* t_10 (if t_9 t_7 (* t_6 t_3))))
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(w) * floorf(h);
float t_1 = powf(floorf(w), 2.0f);
float t_2 = t_1 * dY_46_u;
float t_3 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * t_0));
float t_4 = powf(floorf(h), 2.0f);
float t_5 = fmaxf(fmaf((t_1 * dX_46_u), dX_46_u, ((t_4 * dX_46_v) * dX_46_v)), fmaf(t_2, dY_46_u, ((t_4 * dY_46_v) * dY_46_v)));
float t_6 = sqrtf((1.0f / t_5));
float t_7 = sqrtf(t_5) / floorf(maxAniso);
float t_8 = t_5 / t_3;
int t_9 = t_8 > floorf(maxAniso);
float tmp;
if (t_9) {
tmp = floorf(maxAniso);
} else {
tmp = t_8;
}
float t_10 = tmp;
float tmp_1;
if ((fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)), (t_2 * dY_46_u)) / t_3) > floorf(maxAniso)) {
tmp_1 = t_7;
} else {
tmp_1 = t_6 * fabsf(((-dX_46_u * dY_46_v) * t_0));
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_9) {
tmp_4 = t_7;
} else {
tmp_4 = t_6 * t_3;
}
tmp_3 = fmaxf(1.0f, (t_10 * tmp_4));
} 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(w) * floor(h)) t_1 = floor(w) ^ Float32(2.0) t_2 = Float32(t_1 * dY_46_u) t_3 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * t_0)) t_4 = floor(h) ^ Float32(2.0) t_5 = (fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v)) != fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v))) ? fma(t_2, dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v)) : ((fma(t_2, dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v)) != fma(t_2, dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v))) ? fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v)) : max(fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v)), fma(t_2, dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v)))) t_6 = sqrt(Float32(Float32(1.0) / t_5)) t_7 = Float32(sqrt(t_5) / floor(maxAniso)) t_8 = Float32(t_5 / t_3) t_9 = t_8 > floor(maxAniso) tmp = Float32(0.0) if (t_9) tmp = floor(maxAniso); else tmp = t_8; end t_10 = tmp tmp_1 = Float32(0.0) if (Float32(((Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0)))) ? Float32(t_2 * dY_46_u) : ((Float32(t_2 * dY_46_u) != Float32(t_2 * dY_46_u)) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))), Float32(t_2 * dY_46_u)))) / t_3) > floor(maxAniso)) tmp_1 = t_7; else tmp_1 = Float32(t_6 * abs(Float32(Float32(Float32(-dX_46_u) * dY_46_v) * t_0))); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_9) tmp_4 = t_7; else tmp_4 = Float32(t_6 * t_3); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(t_10 * tmp_4) : ((Float32(t_10 * tmp_4) != Float32(t_10 * tmp_4)) ? Float32(1.0) : max(Float32(1.0), Float32(t_10 * tmp_4))); else tmp_3 = t_10; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := t\_1 \cdot dY.u\\
t_3 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot t\_0\right|\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := \mathsf{max}\left(\mathsf{fma}\left(t\_1 \cdot dX.u, dX.u, \left(t\_4 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_2, dY.u, \left(t\_4 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_6 := \sqrt{\frac{1}{t\_5}}\\
t_7 := \frac{\sqrt{t\_5}}{\left\lfloor maxAniso\right\rfloor }\\
t_8 := \frac{t\_5}{t\_3}\\
t_9 := t\_8 > \left\lfloor maxAniso\right\rfloor \\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}, t\_2 \cdot dY.u\right)}{t\_3} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot \left|\left(\left(-dX.u\right) \cdot dY.v\right) \cdot t\_0\right|\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_3\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Initial program 98.4%
Taylor expanded in w around 0
Applied rewrites35.8%
Applied rewrites55.8%
Taylor expanded in dY.u around inf
Applied rewrites37.3%
Taylor expanded in dX.u around inf
Applied rewrites37.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) (floor h)))
(t_1 (fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) t_0)))
(t_2 (pow (floor h) 2.0))
(t_3 (pow (floor w) 2.0))
(t_4 (* t_3 dY.u))
(t_5
(fmax
(fma (* t_3 dX.u) dX.u (* (* t_2 dX.v) dX.v))
(fma t_4 dY.u (* (* t_2 dY.v) dY.v))))
(t_6 (/ t_5 t_1))
(t_7 (* (sqrt (/ 1.0 t_5)) t_1))
(t_8 (/ (sqrt t_5) (floor maxAniso)))
(t_9 (> t_6 (floor maxAniso)))
(t_10 (if t_9 (floor maxAniso) t_6)))
(if (<
(if (>
(/
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow (* dX.u (floor w)) 2.0))
(* t_4 dY.u))
(fabs (* (* dX.v dY.u) t_0)))
(floor maxAniso))
t_8
t_7)
1.0)
(fmax 1.0 (* t_10 (if t_9 t_8 t_7)))
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(w) * floorf(h);
float t_1 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * t_0));
float t_2 = powf(floorf(h), 2.0f);
float t_3 = powf(floorf(w), 2.0f);
float t_4 = t_3 * dY_46_u;
float t_5 = fmaxf(fmaf((t_3 * dX_46_u), dX_46_u, ((t_2 * dX_46_v) * dX_46_v)), fmaf(t_4, dY_46_u, ((t_2 * dY_46_v) * dY_46_v)));
float t_6 = t_5 / t_1;
float t_7 = sqrtf((1.0f / t_5)) * t_1;
float t_8 = sqrtf(t_5) / floorf(maxAniso);
int t_9 = t_6 > floorf(maxAniso);
float tmp;
if (t_9) {
tmp = floorf(maxAniso);
} else {
tmp = t_6;
}
float t_10 = tmp;
float tmp_1;
if ((fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf((dX_46_u * floorf(w)), 2.0f)), (t_4 * dY_46_u)) / fabsf(((dX_46_v * dY_46_u) * t_0))) > floorf(maxAniso)) {
tmp_1 = t_8;
} else {
tmp_1 = t_7;
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_9) {
tmp_4 = t_8;
} else {
tmp_4 = t_7;
}
tmp_3 = fmaxf(1.0f, (t_10 * tmp_4));
} 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(w) * floor(h)) t_1 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * t_0)) t_2 = floor(h) ^ Float32(2.0) t_3 = floor(w) ^ Float32(2.0) t_4 = Float32(t_3 * dY_46_u) t_5 = (fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)) != fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v))) ? fma(t_4, dY_46_u, Float32(Float32(t_2 * dY_46_v) * dY_46_v)) : ((fma(t_4, dY_46_u, Float32(Float32(t_2 * dY_46_v) * dY_46_v)) != fma(t_4, dY_46_u, Float32(Float32(t_2 * dY_46_v) * dY_46_v))) ? fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)) : max(fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_2 * dX_46_v) * dX_46_v)), fma(t_4, dY_46_u, Float32(Float32(t_2 * dY_46_v) * dY_46_v)))) t_6 = Float32(t_5 / t_1) t_7 = Float32(sqrt(Float32(Float32(1.0) / t_5)) * t_1) t_8 = Float32(sqrt(t_5) / floor(maxAniso)) t_9 = t_6 > floor(maxAniso) tmp = Float32(0.0) if (t_9) tmp = floor(maxAniso); else tmp = t_6; end t_10 = tmp tmp_1 = Float32(0.0) if (Float32(((Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0)))) ? Float32(t_4 * dY_46_u) : ((Float32(t_4 * dY_46_u) != Float32(t_4 * dY_46_u)) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dX_46_u * floor(w)) ^ Float32(2.0))), Float32(t_4 * dY_46_u)))) / abs(Float32(Float32(dX_46_v * dY_46_u) * t_0))) > floor(maxAniso)) tmp_1 = t_8; else tmp_1 = t_7; end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_9) tmp_4 = t_8; else tmp_4 = t_7; end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(t_10 * tmp_4) : ((Float32(t_10 * tmp_4) != Float32(t_10 * tmp_4)) ? Float32(1.0) : max(Float32(1.0), Float32(t_10 * tmp_4))); else tmp_3 = t_10; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_1 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot t\_0\right|\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := t\_3 \cdot dY.u\\
t_5 := \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\_4, dY.u, \left(t\_2 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_6 := \frac{t\_5}{t\_1}\\
t_7 := \sqrt{\frac{1}{t\_5}} \cdot t\_1\\
t_8 := \frac{\sqrt{t\_5}}{\left\lfloor maxAniso\right\rfloor }\\
t_9 := t\_6 > \left\lfloor maxAniso\right\rfloor \\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}, t\_4 \cdot dY.u\right)}{\left|\left(dX.v \cdot dY.u\right) \cdot t\_0\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Initial program 98.4%
Taylor expanded in w around 0
Applied rewrites35.5%
Applied rewrites54.9%
Taylor expanded in dY.u around inf
Applied rewrites37.0%
Taylor expanded in dX.u around 0
Applied rewrites42.2%
herbie shell --seed 2024319
(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))))))))