
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_1) (* t_0 t_2))))
(t_7 (/ t_4 t_6))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_5 (floor maxAniso)) (/ t_6 t_5)))
(t_10 (if t_8 (floor maxAniso) t_7)))
(if (< t_9 1.0) (fmax 1.0 (* t_10 t_9)) t_10)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_1) - (t_0 * t_2)));
float t_7 = t_4 / t_6;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
float t_9 = tmp;
float tmp_1;
if (t_8) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_7;
}
float t_10 = tmp_1;
float tmp_2;
if (t_9 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_10 * t_9));
} else {
tmp_2 = t_10;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_1) - Float32(t_0 * t_2))) t_7 = Float32(t_4 / t_6) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end t_9 = tmp tmp_1 = Float32(0.0) if (t_8) tmp_1 = floor(maxAniso); else tmp_1 = t_7; end t_10 = tmp_1 tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_2 = fmax(Float32(1.0), Float32(t_10 * t_9)); else tmp_2 = t_10; end return tmp_2 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_1) - (t_0 * t_2))); t_7 = t_4 / t_6; t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end t_9 = tmp; tmp_2 = single(0.0); if (t_8) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end t_10 = tmp_2; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_3 = max(single(1.0), (t_10 * t_9)); else tmp_3 = t_10; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_2 \cdot t\_2 + t\_1 \cdot t\_1\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_1 - t\_0 \cdot t\_2\right|\\
t_7 := \frac{t\_4}{t\_6}\\
t_8 := t\_7 > \left\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{if}\;t\_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot t\_9\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
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 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_1) - Float32(t_0 * t_2))) t_7 = Float32(t_4 / t_6) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end t_9 = tmp tmp_1 = Float32(0.0) if (t_8) tmp_1 = floor(maxAniso); else tmp_1 = t_7; end t_10 = tmp_1 tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_2 = fmax(Float32(1.0), Float32(t_10 * t_9)); else tmp_2 = t_10; end return tmp_2 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_1) - (t_0 * t_2))); t_7 = t_4 / t_6; t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end t_9 = tmp; tmp_2 = single(0.0); if (t_8) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end t_10 = tmp_2; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_3 = max(single(1.0), (t_10 * t_9)); else tmp_3 = t_10; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_2 \cdot t\_2 + t\_1 \cdot t\_1\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_1 - t\_0 \cdot t\_2\right|\\
t_7 := \frac{t\_4}{t\_6}\\
t_8 := t\_7 > \left\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{if}\;t\_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot t\_9\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_1) (* t_0 t_2))))
(t_7 (/ t_4 t_6))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_5 (floor maxAniso)) (/ t_6 t_5)))
(t_10 (if t_8 (floor maxAniso) t_7)))
(if (< t_9 1.0) (fmax 1.0 (* t_10 t_9)) t_10)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_1) - (t_0 * t_2)));
float t_7 = t_4 / t_6;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
float t_9 = tmp;
float tmp_1;
if (t_8) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_7;
}
float t_10 = tmp_1;
float tmp_2;
if (t_9 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_10 * t_9));
} else {
tmp_2 = t_10;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = fmax(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_1) - Float32(t_0 * t_2))) t_7 = Float32(t_4 / t_6) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end t_9 = tmp tmp_1 = Float32(0.0) if (t_8) tmp_1 = floor(maxAniso); else tmp_1 = t_7; end t_10 = tmp_1 tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_2 = fmax(Float32(1.0), Float32(t_10 * t_9)); else tmp_2 = t_10; end return tmp_2 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_1) - (t_0 * t_2))); t_7 = t_4 / t_6; t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end t_9 = tmp; tmp_2 = single(0.0); if (t_8) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end t_10 = tmp_2; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_3 = max(single(1.0), (t_10 * t_9)); else tmp_3 = t_10; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_2 \cdot t\_2 + t\_1 \cdot t\_1\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_1 - t\_0 \cdot t\_2\right|\\
t_7 := \frac{t\_4}{t\_6}\\
t_8 := t\_7 > \left\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{if}\;t\_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot t\_9\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Initial program 97.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (pow t_0 2.0))
(t_2 (* dY.v t_0))
(t_3 (pow (* dY.v (floor h)) 2.0))
(t_4 (pow (* dX.v (floor h)) 2.0))
(t_5 (* dY.u (floor w)))
(t_6 (pow t_5 2.0))
(t_7 (fmax (+ t_4 t_1) (+ t_3 t_6)))
(t_8 (sqrt t_7))
(t_9 (fmax (- t_4 t_1) (- t_3 t_6)))
(t_10 (sqrt t_9))
(t_11 (* t_5 dX.v))
(t_12 (fabs (* (floor h) (- t_11 t_2))))
(t_13 (/ t_7 t_12))
(t_14 (* (floor h) (- t_2 t_11)))
(t_15 (/ t_9 t_14))
(t_16 (> t_13 (floor maxAniso)))
(t_17 (> t_15 (floor maxAniso))))
(if (< (if t_16 (/ t_8 (floor maxAniso)) (/ t_12 t_8)) 1.0)
(fmax
1.0
(*
(if t_17 (floor maxAniso) t_15)
(if t_17 (/ t_10 (floor maxAniso)) (/ t_14 t_10))))
(if t_16 (floor maxAniso) 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 = dX_46_u * floorf(w);
float t_1 = powf(t_0, 2.0f);
float t_2 = dY_46_v * t_0;
float t_3 = powf((dY_46_v * floorf(h)), 2.0f);
float t_4 = powf((dX_46_v * floorf(h)), 2.0f);
float t_5 = dY_46_u * floorf(w);
float t_6 = powf(t_5, 2.0f);
float t_7 = fmaxf((t_4 + t_1), (t_3 + t_6));
float t_8 = sqrtf(t_7);
float t_9 = fmaxf((t_4 - t_1), (t_3 - t_6));
float t_10 = sqrtf(t_9);
float t_11 = t_5 * dX_46_v;
float t_12 = fabsf((floorf(h) * (t_11 - t_2)));
float t_13 = t_7 / t_12;
float t_14 = floorf(h) * (t_2 - t_11);
float t_15 = t_9 / t_14;
int t_16 = t_13 > floorf(maxAniso);
int t_17 = t_15 > floorf(maxAniso);
float tmp;
if (t_16) {
tmp = t_8 / floorf(maxAniso);
} else {
tmp = t_12 / t_8;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_17) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_15;
}
float tmp_5;
if (t_17) {
tmp_5 = t_10 / floorf(maxAniso);
} else {
tmp_5 = t_14 / t_10;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_16) {
tmp_3 = floorf(maxAniso);
} 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(dX_46_u * floor(w)) t_1 = t_0 ^ Float32(2.0) t_2 = Float32(dY_46_v * t_0) t_3 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_4 = Float32(dX_46_v * floor(h)) ^ Float32(2.0) t_5 = Float32(dY_46_u * floor(w)) t_6 = t_5 ^ Float32(2.0) t_7 = fmax(Float32(t_4 + t_1), Float32(t_3 + t_6)) t_8 = sqrt(t_7) t_9 = fmax(Float32(t_4 - t_1), Float32(t_3 - t_6)) t_10 = sqrt(t_9) t_11 = Float32(t_5 * dX_46_v) t_12 = abs(Float32(floor(h) * Float32(t_11 - t_2))) t_13 = Float32(t_7 / t_12) t_14 = Float32(floor(h) * Float32(t_2 - t_11)) t_15 = Float32(t_9 / t_14) t_16 = t_13 > floor(maxAniso) t_17 = t_15 > floor(maxAniso) tmp = Float32(0.0) if (t_16) tmp = Float32(t_8 / floor(maxAniso)); else tmp = Float32(t_12 / t_8); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_17) tmp_4 = floor(maxAniso); else tmp_4 = t_15; end tmp_5 = Float32(0.0) if (t_17) tmp_5 = Float32(t_10 / floor(maxAniso)); else tmp_5 = Float32(t_14 / t_10); end tmp_3 = fmax(Float32(1.0), Float32(tmp_4 * tmp_5)); elseif (t_16) tmp_3 = floor(maxAniso); else tmp_3 = t_13; end return tmp_3 end
function tmp_7 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = dX_46_u * floor(w); t_1 = t_0 ^ single(2.0); t_2 = dY_46_v * t_0; t_3 = (dY_46_v * floor(h)) ^ single(2.0); t_4 = (dX_46_v * floor(h)) ^ single(2.0); t_5 = dY_46_u * floor(w); t_6 = t_5 ^ single(2.0); t_7 = max((t_4 + t_1), (t_3 + t_6)); t_8 = sqrt(t_7); t_9 = max((t_4 - t_1), (t_3 - t_6)); t_10 = sqrt(t_9); t_11 = t_5 * dX_46_v; t_12 = abs((floor(h) * (t_11 - t_2))); t_13 = t_7 / t_12; t_14 = floor(h) * (t_2 - t_11); t_15 = t_9 / t_14; t_16 = t_13 > floor(maxAniso); t_17 = t_15 > floor(maxAniso); tmp = single(0.0); if (t_16) tmp = t_8 / floor(maxAniso); else tmp = t_12 / t_8; end tmp_4 = single(0.0); if (tmp < single(1.0)) tmp_5 = single(0.0); if (t_17) tmp_5 = floor(maxAniso); else tmp_5 = t_15; end tmp_6 = single(0.0); if (t_17) tmp_6 = t_10 / floor(maxAniso); else tmp_6 = t_14 / t_10; end tmp_4 = max(single(1.0), (tmp_5 * tmp_6)); elseif (t_16) tmp_4 = floor(maxAniso); else tmp_4 = t_13; end tmp_7 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := {t\_0}^{2}\\
t_2 := dY.v \cdot t\_0\\
t_3 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_6 := {t\_5}^{2}\\
t_7 := \mathsf{max}\left(t\_4 + t\_1, t\_3 + t\_6\right)\\
t_8 := \sqrt{t\_7}\\
t_9 := \mathsf{max}\left(t\_4 - t\_1, t\_3 - t\_6\right)\\
t_10 := \sqrt{t\_9}\\
t_11 := t\_5 \cdot dX.v\\
t_12 := \left|\left\lfloor h\right\rfloor \cdot \left(t\_11 - t\_2\right)\right|\\
t_13 := \frac{t\_7}{t\_12}\\
t_14 := \left\lfloor h\right\rfloor \cdot \left(t\_2 - t\_11\right)\\
t_15 := \frac{t\_9}{t\_14}\\
t_16 := t\_13 > \left\lfloor maxAniso\right\rfloor \\
t_17 := t\_15 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_16:\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_12}{t\_8}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_17:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_15\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_17:\\
\;\;\;\;\frac{t\_10}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_14}{t\_10}\\
\end{array}\right)\\
\mathbf{elif}\;t\_16:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_13\\
\end{array}
\end{array}
Initial program 97.5%
Applied rewrites97.1%
Applied rewrites97.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (* (floor w) dX.u))
(t_2 (pow t_0 2.0))
(t_3 (* dY.v t_0))
(t_4 (pow (* dY.v (floor h)) 2.0))
(t_5 (pow (* dX.v (floor h)) 2.0))
(t_6 (- t_5 t_2))
(t_7 (* dY.u (floor w)))
(t_8 (pow t_7 2.0))
(t_9 (fmax (+ t_5 t_2) (+ t_4 t_8)))
(t_10 (sqrt t_9))
(t_11 (fmax t_6 (- t_4 t_8)))
(t_12 (* t_7 dX.v))
(t_13 (fabs (* (floor h) (- t_12 t_3))))
(t_14 (* (floor h) (- t_3 t_12)))
(t_15 (/ t_11 t_14))
(t_16 (> (/ t_9 t_13) (floor maxAniso)))
(t_17 (> t_15 (floor maxAniso))))
(if (< (if t_16 (/ t_10 (floor maxAniso)) (/ t_13 t_10)) 1.0)
(fmax
1.0
(*
(if t_17 (floor maxAniso) t_15)
(if t_17
(/ (sqrt t_11) (floor maxAniso))
(/ t_14 (sqrt (fmax t_6 t_4))))))
(if t_16
(floor maxAniso)
(/
(/
(fmax (+ (pow t_1 2.0) (pow (* (floor h) dX.v) 2.0)) (+ t_8 t_4))
(fabs (floor h)))
(fabs (- (* dY.v t_1) 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 = dX_46_u * floorf(w);
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf(t_0, 2.0f);
float t_3 = dY_46_v * t_0;
float t_4 = powf((dY_46_v * floorf(h)), 2.0f);
float t_5 = powf((dX_46_v * floorf(h)), 2.0f);
float t_6 = t_5 - t_2;
float t_7 = dY_46_u * floorf(w);
float t_8 = powf(t_7, 2.0f);
float t_9 = fmaxf((t_5 + t_2), (t_4 + t_8));
float t_10 = sqrtf(t_9);
float t_11 = fmaxf(t_6, (t_4 - t_8));
float t_12 = t_7 * dX_46_v;
float t_13 = fabsf((floorf(h) * (t_12 - t_3)));
float t_14 = floorf(h) * (t_3 - t_12);
float t_15 = t_11 / t_14;
int t_16 = (t_9 / t_13) > floorf(maxAniso);
int t_17 = t_15 > floorf(maxAniso);
float tmp;
if (t_16) {
tmp = t_10 / floorf(maxAniso);
} else {
tmp = t_13 / t_10;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_17) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_15;
}
float tmp_5;
if (t_17) {
tmp_5 = sqrtf(t_11) / floorf(maxAniso);
} else {
tmp_5 = t_14 / sqrtf(fmaxf(t_6, t_4));
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_16) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = (fmaxf((powf(t_1, 2.0f) + powf((floorf(h) * dX_46_v), 2.0f)), (t_8 + t_4)) / fabsf(floorf(h))) / fabsf(((dY_46_v * t_1) - 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(dX_46_u * floor(w)) t_1 = Float32(floor(w) * dX_46_u) t_2 = t_0 ^ Float32(2.0) t_3 = Float32(dY_46_v * t_0) t_4 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_5 = Float32(dX_46_v * floor(h)) ^ Float32(2.0) t_6 = Float32(t_5 - t_2) t_7 = Float32(dY_46_u * floor(w)) t_8 = t_7 ^ Float32(2.0) t_9 = fmax(Float32(t_5 + t_2), Float32(t_4 + t_8)) t_10 = sqrt(t_9) t_11 = fmax(t_6, Float32(t_4 - t_8)) t_12 = Float32(t_7 * dX_46_v) t_13 = abs(Float32(floor(h) * Float32(t_12 - t_3))) t_14 = Float32(floor(h) * Float32(t_3 - t_12)) t_15 = Float32(t_11 / t_14) t_16 = Float32(t_9 / t_13) > floor(maxAniso) t_17 = t_15 > floor(maxAniso) tmp = Float32(0.0) if (t_16) tmp = Float32(t_10 / floor(maxAniso)); else tmp = Float32(t_13 / t_10); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_17) tmp_4 = floor(maxAniso); else tmp_4 = t_15; end tmp_5 = Float32(0.0) if (t_17) tmp_5 = Float32(sqrt(t_11) / floor(maxAniso)); else tmp_5 = Float32(t_14 / sqrt(fmax(t_6, t_4))); end tmp_3 = fmax(Float32(1.0), Float32(tmp_4 * tmp_5)); elseif (t_16) tmp_3 = floor(maxAniso); else tmp_3 = Float32(Float32(fmax(Float32((t_1 ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))), Float32(t_8 + t_4)) / abs(floor(h))) / abs(Float32(Float32(dY_46_v * t_1) - t_12))); end return tmp_3 end
function tmp_7 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = dX_46_u * floor(w); t_1 = floor(w) * dX_46_u; t_2 = t_0 ^ single(2.0); t_3 = dY_46_v * t_0; t_4 = (dY_46_v * floor(h)) ^ single(2.0); t_5 = (dX_46_v * floor(h)) ^ single(2.0); t_6 = t_5 - t_2; t_7 = dY_46_u * floor(w); t_8 = t_7 ^ single(2.0); t_9 = max((t_5 + t_2), (t_4 + t_8)); t_10 = sqrt(t_9); t_11 = max(t_6, (t_4 - t_8)); t_12 = t_7 * dX_46_v; t_13 = abs((floor(h) * (t_12 - t_3))); t_14 = floor(h) * (t_3 - t_12); t_15 = t_11 / t_14; t_16 = (t_9 / t_13) > floor(maxAniso); t_17 = t_15 > floor(maxAniso); tmp = single(0.0); if (t_16) tmp = t_10 / floor(maxAniso); else tmp = t_13 / t_10; end tmp_4 = single(0.0); if (tmp < single(1.0)) tmp_5 = single(0.0); if (t_17) tmp_5 = floor(maxAniso); else tmp_5 = t_15; end tmp_6 = single(0.0); if (t_17) tmp_6 = sqrt(t_11) / floor(maxAniso); else tmp_6 = t_14 / sqrt(max(t_6, t_4)); end tmp_4 = max(single(1.0), (tmp_5 * tmp_6)); elseif (t_16) tmp_4 = floor(maxAniso); else tmp_4 = (max(((t_1 ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0))), (t_8 + t_4)) / abs(floor(h))) / abs(((dY_46_v * t_1) - t_12)); end tmp_7 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := {t\_0}^{2}\\
t_3 := dY.v \cdot t\_0\\
t_4 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_6 := t\_5 - t\_2\\
t_7 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_8 := {t\_7}^{2}\\
t_9 := \mathsf{max}\left(t\_5 + t\_2, t\_4 + t\_8\right)\\
t_10 := \sqrt{t\_9}\\
t_11 := \mathsf{max}\left(t\_6, t\_4 - t\_8\right)\\
t_12 := t\_7 \cdot dX.v\\
t_13 := \left|\left\lfloor h\right\rfloor \cdot \left(t\_12 - t\_3\right)\right|\\
t_14 := \left\lfloor h\right\rfloor \cdot \left(t\_3 - t\_12\right)\\
t_15 := \frac{t\_11}{t\_14}\\
t_16 := \frac{t\_9}{t\_13} > \left\lfloor maxAniso\right\rfloor \\
t_17 := t\_15 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_16:\\
\;\;\;\;\frac{t\_10}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_13}{t\_10}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_17:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_15\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_17:\\
\;\;\;\;\frac{\sqrt{t\_11}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_14}{\sqrt{\mathsf{max}\left(t\_6, t\_4\right)}}\\
\end{array}\right)\\
\mathbf{elif}\;t\_16:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\frac{\mathsf{max}\left({t\_1}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, t\_8 + t\_4\right)}{\left|\left\lfloor h\right\rfloor \right|}}{\left|dY.v \cdot t\_1 - t\_12\right|}\\
\end{array}
\end{array}
Initial program 97.5%
Applied rewrites97.1%
Applied rewrites97.1%
lift-/.f32N/A
lift-fabs.f32N/A
lift-*.f32N/A
fabs-mulN/A
associate-/r*N/A
lower-/.f32N/A
Applied rewrites97.2%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
unpow-prod-downN/A
lift-*.f32N/A
lift-pow.f3297.2
Applied rewrites97.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.u (floor w)))
(t_1 (* t_0 dX.v))
(t_2 (- (pow (* dY.v (floor h)) 2.0) (pow t_0 2.0)))
(t_3 (* dX.u (floor w)))
(t_4 (fmax (- (pow (* dX.v (floor h)) 2.0) (pow t_3 2.0)) t_2))
(t_5 (/ (sqrt t_4) (floor maxAniso)))
(t_6 (* (floor h) (- (* dY.v t_3) t_1)))
(t_7 (* (floor w) dX.u))
(t_8 (/ t_4 t_6))
(t_9 (> t_8 (floor maxAniso)))
(t_10 (if t_9 (floor maxAniso) t_8))
(t_11 (pow (* (floor h) dX.v) 2.0)))
(if (< (if t_9 t_5 (/ t_6 (sqrt (fmax t_11 t_2)))) 1.0)
(fmax
1.0
(*
t_10
(if t_9
t_5
(*
(- (* dY.v t_7) t_1)
(/ (floor h) (sqrt (fmax (- t_11 (pow t_7 2.0)) t_2)))))))
t_10)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = dY_46_u * floorf(w);
float t_1 = t_0 * dX_46_v;
float t_2 = powf((dY_46_v * floorf(h)), 2.0f) - powf(t_0, 2.0f);
float t_3 = dX_46_u * floorf(w);
float t_4 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) - powf(t_3, 2.0f)), t_2);
float t_5 = sqrtf(t_4) / floorf(maxAniso);
float t_6 = floorf(h) * ((dY_46_v * t_3) - t_1);
float t_7 = floorf(w) * dX_46_u;
float t_8 = t_4 / t_6;
int t_9 = t_8 > floorf(maxAniso);
float tmp;
if (t_9) {
tmp = floorf(maxAniso);
} else {
tmp = t_8;
}
float t_10 = tmp;
float t_11 = powf((floorf(h) * dX_46_v), 2.0f);
float tmp_1;
if (t_9) {
tmp_1 = t_5;
} else {
tmp_1 = t_6 / sqrtf(fmaxf(t_11, t_2));
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_9) {
tmp_4 = t_5;
} else {
tmp_4 = ((dY_46_v * t_7) - t_1) * (floorf(h) / sqrtf(fmaxf((t_11 - powf(t_7, 2.0f)), t_2)));
}
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(dY_46_u * floor(w)) t_1 = Float32(t_0 * dX_46_v) t_2 = Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) - (t_0 ^ Float32(2.0))) t_3 = Float32(dX_46_u * floor(w)) t_4 = fmax(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) - (t_3 ^ Float32(2.0))), t_2) t_5 = Float32(sqrt(t_4) / floor(maxAniso)) t_6 = Float32(floor(h) * Float32(Float32(dY_46_v * t_3) - t_1)) t_7 = Float32(floor(w) * dX_46_u) t_8 = Float32(t_4 / t_6) t_9 = t_8 > floor(maxAniso) tmp = Float32(0.0) if (t_9) tmp = floor(maxAniso); else tmp = t_8; end t_10 = tmp t_11 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) tmp_1 = Float32(0.0) if (t_9) tmp_1 = t_5; else tmp_1 = Float32(t_6 / sqrt(fmax(t_11, t_2))); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_9) tmp_4 = t_5; else tmp_4 = Float32(Float32(Float32(dY_46_v * t_7) - t_1) * Float32(floor(h) / sqrt(fmax(Float32(t_11 - (t_7 ^ Float32(2.0))), t_2)))); end tmp_3 = fmax(Float32(1.0), Float32(t_10 * tmp_4)); else tmp_3 = t_10; 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 = dY_46_u * floor(w); t_1 = t_0 * dX_46_v; t_2 = ((dY_46_v * floor(h)) ^ single(2.0)) - (t_0 ^ single(2.0)); t_3 = dX_46_u * floor(w); t_4 = max((((dX_46_v * floor(h)) ^ single(2.0)) - (t_3 ^ single(2.0))), t_2); t_5 = sqrt(t_4) / floor(maxAniso); t_6 = floor(h) * ((dY_46_v * t_3) - t_1); t_7 = floor(w) * dX_46_u; t_8 = t_4 / t_6; t_9 = t_8 > floor(maxAniso); tmp = single(0.0); if (t_9) tmp = floor(maxAniso); else tmp = t_8; end t_10 = tmp; t_11 = (floor(h) * dX_46_v) ^ single(2.0); tmp_2 = single(0.0); if (t_9) tmp_2 = t_5; else tmp_2 = t_6 / sqrt(max(t_11, t_2)); end tmp_4 = single(0.0); if (tmp_2 < single(1.0)) tmp_5 = single(0.0); if (t_9) tmp_5 = t_5; else tmp_5 = ((dY_46_v * t_7) - t_1) * (floor(h) / sqrt(max((t_11 - (t_7 ^ single(2.0))), t_2))); end tmp_4 = max(single(1.0), (t_10 * tmp_5)); else tmp_4 = t_10; end tmp_6 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_1 := t\_0 \cdot dX.v\\
t_2 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} - {t\_0}^{2}\\
t_3 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_4 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} - {t\_3}^{2}, t\_2\right)\\
t_5 := \frac{\sqrt{t\_4}}{\left\lfloor maxAniso\right\rfloor }\\
t_6 := \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_3 - t\_1\right)\\
t_7 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_8 := \frac{t\_4}{t\_6}\\
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}\\
t_11 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{\sqrt{\mathsf{max}\left(t\_11, t\_2\right)}}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;\left(dY.v \cdot t\_7 - t\_1\right) \cdot \frac{\left\lfloor h\right\rfloor }{\sqrt{\mathsf{max}\left(t\_11 - {t\_7}^{2}, t\_2\right)}}\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
Initial program 97.5%
Applied rewrites39.7%
Applied rewrites39.7%
lift-/.f32N/A
lift-*.f32N/A
*-commutativeN/A
associate-/l*N/A
lower-*.f32N/A
Applied rewrites39.7%
Taylor expanded in dX.u around 0
lift-floor.f32N/A
unpow-prod-downN/A
lift-floor.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-floor.f32N/A
unpow-prod-downN/A
lift-floor.f32N/A
*-commutativeN/A
unpow-prod-downN/A
lift-floor.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3241.3
Applied rewrites41.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.u (floor w)))
(t_1 (pow (* dY.v (floor h)) 2.0))
(t_2 (- t_1 (pow t_0 2.0)))
(t_3 (* (floor w) dX.u))
(t_4 (* dX.u (floor w)))
(t_5 (- (pow (* dX.v (floor h)) 2.0) (pow t_4 2.0)))
(t_6 (fmax t_5 t_2))
(t_7 (sqrt t_6))
(t_8 (/ t_7 (floor maxAniso)))
(t_9 (* t_0 dX.v))
(t_10 (* (floor h) (- (* dY.v t_4) t_9)))
(t_11 (/ t_6 t_10))
(t_12 (> t_11 (floor maxAniso)))
(t_13 (if t_12 (floor maxAniso) t_11)))
(if (<
(if (> (/ (fmax t_5 t_1) t_10) (floor maxAniso)) t_8 (/ t_10 t_7))
1.0)
(fmax
1.0
(*
t_13
(if t_12
t_8
(*
(- (* dY.v t_3) t_9)
(/
(floor h)
(sqrt
(fmax (- (pow (* (floor h) dX.v) 2.0) (pow t_3 2.0)) t_2)))))))
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 = dY_46_u * floorf(w);
float t_1 = powf((dY_46_v * floorf(h)), 2.0f);
float t_2 = t_1 - powf(t_0, 2.0f);
float t_3 = floorf(w) * dX_46_u;
float t_4 = dX_46_u * floorf(w);
float t_5 = powf((dX_46_v * floorf(h)), 2.0f) - powf(t_4, 2.0f);
float t_6 = fmaxf(t_5, t_2);
float t_7 = sqrtf(t_6);
float t_8 = t_7 / floorf(maxAniso);
float t_9 = t_0 * dX_46_v;
float t_10 = floorf(h) * ((dY_46_v * t_4) - t_9);
float t_11 = t_6 / t_10;
int t_12 = t_11 > floorf(maxAniso);
float tmp;
if (t_12) {
tmp = floorf(maxAniso);
} else {
tmp = t_11;
}
float t_13 = tmp;
float tmp_1;
if ((fmaxf(t_5, t_1) / t_10) > floorf(maxAniso)) {
tmp_1 = t_8;
} else {
tmp_1 = t_10 / t_7;
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_12) {
tmp_4 = t_8;
} else {
tmp_4 = ((dY_46_v * t_3) - t_9) * (floorf(h) / sqrtf(fmaxf((powf((floorf(h) * dX_46_v), 2.0f) - powf(t_3, 2.0f)), t_2)));
}
tmp_3 = fmaxf(1.0f, (t_13 * tmp_4));
} 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(dY_46_u * floor(w)) t_1 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_2 = Float32(t_1 - (t_0 ^ Float32(2.0))) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(dX_46_u * floor(w)) t_5 = Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) - (t_4 ^ Float32(2.0))) t_6 = fmax(t_5, t_2) t_7 = sqrt(t_6) t_8 = Float32(t_7 / floor(maxAniso)) t_9 = Float32(t_0 * dX_46_v) t_10 = Float32(floor(h) * Float32(Float32(dY_46_v * t_4) - t_9)) t_11 = Float32(t_6 / t_10) t_12 = t_11 > floor(maxAniso) tmp = Float32(0.0) if (t_12) tmp = floor(maxAniso); else tmp = t_11; end t_13 = tmp tmp_1 = Float32(0.0) if (Float32(fmax(t_5, t_1) / t_10) > floor(maxAniso)) tmp_1 = t_8; else tmp_1 = Float32(t_10 / t_7); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_12) tmp_4 = t_8; else tmp_4 = Float32(Float32(Float32(dY_46_v * t_3) - t_9) * Float32(floor(h) / sqrt(fmax(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) - (t_3 ^ Float32(2.0))), t_2)))); end tmp_3 = fmax(Float32(1.0), Float32(t_13 * tmp_4)); else tmp_3 = t_13; 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 = dY_46_u * floor(w); t_1 = (dY_46_v * floor(h)) ^ single(2.0); t_2 = t_1 - (t_0 ^ single(2.0)); t_3 = floor(w) * dX_46_u; t_4 = dX_46_u * floor(w); t_5 = ((dX_46_v * floor(h)) ^ single(2.0)) - (t_4 ^ single(2.0)); t_6 = max(t_5, t_2); t_7 = sqrt(t_6); t_8 = t_7 / floor(maxAniso); t_9 = t_0 * dX_46_v; t_10 = floor(h) * ((dY_46_v * t_4) - t_9); t_11 = t_6 / t_10; t_12 = t_11 > floor(maxAniso); tmp = single(0.0); if (t_12) tmp = floor(maxAniso); else tmp = t_11; end t_13 = tmp; tmp_2 = single(0.0); if ((max(t_5, t_1) / t_10) > floor(maxAniso)) tmp_2 = t_8; else tmp_2 = t_10 / t_7; end tmp_4 = single(0.0); if (tmp_2 < single(1.0)) tmp_5 = single(0.0); if (t_12) tmp_5 = t_8; else tmp_5 = ((dY_46_v * t_3) - t_9) * (floor(h) / sqrt(max((((floor(h) * dX_46_v) ^ single(2.0)) - (t_3 ^ single(2.0))), t_2))); end tmp_4 = max(single(1.0), (t_13 * tmp_5)); else tmp_4 = t_13; end tmp_6 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_1 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := t\_1 - {t\_0}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_5 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} - {t\_4}^{2}\\
t_6 := \mathsf{max}\left(t\_5, t\_2\right)\\
t_7 := \sqrt{t\_6}\\
t_8 := \frac{t\_7}{\left\lfloor maxAniso\right\rfloor }\\
t_9 := t\_0 \cdot dX.v\\
t_10 := \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_4 - t\_9\right)\\
t_11 := \frac{t\_6}{t\_10}\\
t_12 := t\_11 > \left\lfloor maxAniso\right\rfloor \\
t_13 := \begin{array}{l}
\mathbf{if}\;t\_12:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_5, t\_1\right)}{t\_10} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_10}{t\_7}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_13 \cdot \begin{array}{l}
\mathbf{if}\;t\_12:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;\left(dY.v \cdot t\_3 - t\_9\right) \cdot \frac{\left\lfloor h\right\rfloor }{\sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} - {t\_3}^{2}, t\_2\right)}}\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_13\\
\end{array}
\end{array}
Initial program 97.5%
Applied rewrites39.7%
Applied rewrites39.7%
lift-/.f32N/A
lift-*.f32N/A
*-commutativeN/A
associate-/l*N/A
lower-*.f32N/A
Applied rewrites39.7%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
unpow-prod-downN/A
lift-*.f32N/A
lift-pow.f3239.7
Applied rewrites39.7%
herbie shell --seed 2025104
(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))))))))