
(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 6 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_1) (* t_0 t_2))))
(t_7 (/ t_4 t_6))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_5 (floor maxAniso)) (/ t_6 t_5)))
(t_10 (if t_8 (floor maxAniso) t_7)))
(if (< t_9 1.0) (fmax 1.0 (* t_10 t_9)) t_10)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_1) - (t_0 * t_2)));
float t_7 = t_4 / t_6;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
float t_9 = tmp;
float tmp_1;
if (t_8) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_7;
}
float t_10 = tmp_1;
float tmp_2;
if (t_9 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_10 * t_9));
} else {
tmp_2 = t_10;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) : ((Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)) != Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_2 * t_2) + Float32(t_1 * t_1)))) t_5 = sqrt(t_4) t_6 = abs(Float32(Float32(t_3 * t_1) - Float32(t_0 * t_2))) t_7 = Float32(t_4 / t_6) t_8 = t_7 > floor(maxAniso) tmp = Float32(0.0) if (t_8) tmp = Float32(t_5 / floor(maxAniso)); else tmp = Float32(t_6 / t_5); end t_9 = tmp tmp_1 = Float32(0.0) if (t_8) tmp_1 = floor(maxAniso); else tmp_1 = t_7; end t_10 = tmp_1 tmp_2 = Float32(0.0) if (t_9 < Float32(1.0)) tmp_2 = (Float32(1.0) != Float32(1.0)) ? Float32(t_10 * t_9) : ((Float32(t_10 * t_9) != Float32(t_10 * t_9)) ? Float32(1.0) : max(Float32(1.0), Float32(t_10 * t_9))); else tmp_2 = t_10; end return tmp_2 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dX_46_v; t_1 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = max(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1))); t_5 = sqrt(t_4); t_6 = abs(((t_3 * t_1) - (t_0 * t_2))); t_7 = t_4 / t_6; t_8 = t_7 > floor(maxAniso); tmp = single(0.0); if (t_8) tmp = t_5 / floor(maxAniso); else tmp = t_6 / t_5; end t_9 = tmp; tmp_2 = single(0.0); if (t_8) tmp_2 = floor(maxAniso); else tmp_2 = t_7; end t_10 = tmp_2; tmp_3 = single(0.0); if (t_9 < single(1.0)) tmp_3 = max(single(1.0), (t_10 * t_9)); else tmp_3 = t_10; end tmp_4 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_2 \cdot t\_2 + t\_1 \cdot t\_1\right)\\
t_5 := \sqrt{t\_4}\\
t_6 := \left|t\_3 \cdot t\_1 - t\_0 \cdot t\_2\right|\\
t_7 := \frac{t\_4}{t\_6}\\
t_8 := t\_7 > \left\lfloor maxAniso\right\rfloor \\
t_9 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\frac{t\_5}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_5}\\
\end{array}\\
t_10 := \begin{array}{l}
\mathbf{if}\;t\_8:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_7\\
\end{array}\\
\mathbf{if}\;t\_9 < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_10 \cdot t\_9\right)\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor h) dY.v))
(t_2 (* dX.u (floor w)))
(t_3 (* (floor h) dX.v))
(t_4 (* t_3 t_3))
(t_5 (* (floor w) dY.u))
(t_6 (+ (* t_5 t_5) (* t_1 t_1)))
(t_7 (fabs (- (* t_3 t_5) (* t_0 t_1))))
(t_8 (fmax (+ (* t_0 t_0) t_4) t_6))
(t_9 (sqrt t_8))
(t_10 (/ t_8 t_7))
(t_11 (* dY.u (floor w)))
(t_12
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_2 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_11 2.0))))
(t_13 (fabs (* (floor h) (- (* t_11 dX.v) (* dY.v t_2)))))
(t_14 (sqrt t_12))
(t_15 (> t_10 (floor maxAniso))))
(if (<
(if (> (/ t_12 t_13) (floor maxAniso))
(/ t_14 (floor maxAniso))
(/ t_13 t_14))
1.0)
(fmax
1.0
(*
(if t_15 (floor maxAniso) t_10)
(if t_15 (/ t_9 (floor maxAniso)) (/ t_7 t_9))))
(if t_15
(floor maxAniso)
(/ (fmax (+ (* (pow (floor w) 2.0) (* dX.u dX.u)) t_4) t_6) t_7)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = dX_46_u * floorf(w);
float t_3 = floorf(h) * dX_46_v;
float t_4 = t_3 * t_3;
float t_5 = floorf(w) * dY_46_u;
float t_6 = (t_5 * t_5) + (t_1 * t_1);
float t_7 = fabsf(((t_3 * t_5) - (t_0 * t_1)));
float t_8 = fmaxf(((t_0 * t_0) + t_4), t_6);
float t_9 = sqrtf(t_8);
float t_10 = t_8 / t_7;
float t_11 = dY_46_u * floorf(w);
float t_12 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_2, 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_11, 2.0f)));
float t_13 = fabsf((floorf(h) * ((t_11 * dX_46_v) - (dY_46_v * t_2))));
float t_14 = sqrtf(t_12);
int t_15 = t_10 > floorf(maxAniso);
float tmp;
if ((t_12 / t_13) > floorf(maxAniso)) {
tmp = t_14 / floorf(maxAniso);
} else {
tmp = t_13 / t_14;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_15) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_10;
}
float tmp_5;
if (t_15) {
tmp_5 = t_9 / floorf(maxAniso);
} else {
tmp_5 = t_7 / t_9;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_15) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = fmaxf(((powf(floorf(w), 2.0f) * (dX_46_u * dX_46_u)) + t_4), t_6) / 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(floor(w) * dX_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(dX_46_u * floor(w)) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(t_3 * t_3) t_5 = Float32(floor(w) * dY_46_u) t_6 = Float32(Float32(t_5 * t_5) + Float32(t_1 * t_1)) t_7 = abs(Float32(Float32(t_3 * t_5) - Float32(t_0 * t_1))) t_8 = (Float32(Float32(t_0 * t_0) + t_4) != Float32(Float32(t_0 * t_0) + t_4)) ? t_6 : ((t_6 != t_6) ? Float32(Float32(t_0 * t_0) + t_4) : max(Float32(Float32(t_0 * t_0) + t_4), t_6)) t_9 = sqrt(t_8) t_10 = Float32(t_8 / t_7) t_11 = Float32(dY_46_u * floor(w)) t_12 = (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_11 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_11 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_11 ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_11 ^ Float32(2.0))))) t_13 = abs(Float32(floor(h) * Float32(Float32(t_11 * dX_46_v) - Float32(dY_46_v * t_2)))) t_14 = sqrt(t_12) t_15 = t_10 > floor(maxAniso) tmp = Float32(0.0) if (Float32(t_12 / t_13) > floor(maxAniso)) tmp = Float32(t_14 / floor(maxAniso)); else tmp = Float32(t_13 / t_14); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_15) tmp_4 = floor(maxAniso); else tmp_4 = t_10; end tmp_5 = Float32(0.0) if (t_15) tmp_5 = Float32(t_9 / floor(maxAniso)); else tmp_5 = Float32(t_7 / t_9); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_15) tmp_3 = floor(maxAniso); else tmp_3 = Float32(((Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_4) != Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_4)) ? t_6 : ((t_6 != t_6) ? Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_4) : max(Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_4), t_6))) / t_7); 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 = floor(w) * dX_46_u; t_1 = floor(h) * dY_46_v; t_2 = dX_46_u * floor(w); t_3 = floor(h) * dX_46_v; t_4 = t_3 * t_3; t_5 = floor(w) * dY_46_u; t_6 = (t_5 * t_5) + (t_1 * t_1); t_7 = abs(((t_3 * t_5) - (t_0 * t_1))); t_8 = max(((t_0 * t_0) + t_4), t_6); t_9 = sqrt(t_8); t_10 = t_8 / t_7; t_11 = dY_46_u * floor(w); t_12 = max((((dX_46_v * floor(h)) ^ single(2.0)) + (t_2 ^ single(2.0))), (((dY_46_v * floor(h)) ^ single(2.0)) + (t_11 ^ single(2.0)))); t_13 = abs((floor(h) * ((t_11 * dX_46_v) - (dY_46_v * t_2)))); t_14 = sqrt(t_12); t_15 = t_10 > floor(maxAniso); tmp = single(0.0); if ((t_12 / t_13) > floor(maxAniso)) tmp = t_14 / floor(maxAniso); else tmp = t_13 / t_14; end tmp_4 = single(0.0); if (tmp < single(1.0)) tmp_5 = single(0.0); if (t_15) tmp_5 = floor(maxAniso); else tmp_5 = t_10; end tmp_6 = single(0.0); if (t_15) tmp_6 = t_9 / floor(maxAniso); else tmp_6 = t_7 / t_9; end tmp_4 = max(single(1.0), (tmp_5 * tmp_6)); elseif (t_15) tmp_4 = floor(maxAniso); else tmp_4 = max((((floor(w) ^ single(2.0)) * (dX_46_u * dX_46_u)) + t_4), t_6) / t_7; end tmp_7 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := t\_3 \cdot t\_3\\
t_5 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_6 := t\_5 \cdot t\_5 + t\_1 \cdot t\_1\\
t_7 := \left|t\_3 \cdot t\_5 - t\_0 \cdot t\_1\right|\\
t_8 := \mathsf{max}\left(t\_0 \cdot t\_0 + t\_4, t\_6\right)\\
t_9 := \sqrt{t\_8}\\
t_10 := \frac{t\_8}{t\_7}\\
t_11 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_12 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_2}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_11}^{2}\right)\\
t_13 := \left|\left\lfloor h\right\rfloor \cdot \left(t\_11 \cdot dX.v - dY.v \cdot t\_2\right)\right|\\
t_14 := \sqrt{t\_12}\\
t_15 := t\_10 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_12}{t\_13} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_14}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_13}{t\_14}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_15:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_15:\\
\;\;\;\;\frac{t\_9}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{t\_9}\\
\end{array}\right)\\
\mathbf{elif}\;t\_15:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dX.u \cdot dX.u\right) + t\_4, t\_6\right)}{t\_7}\\
\end{array}
\end{array}
Initial program 98.4%
Applied rewrites98.4%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
pow2N/A
associate-*l*N/A
lift-*.f32N/A
*-rgt-identityN/A
associate-*l*N/A
lift-*.f32N/A
associate-*l*N/A
pow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.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 (* (floor w) dX.u))
(t_1 (* (floor h) dY.v))
(t_2 (* dX.u (floor w)))
(t_3 (* (floor h) dX.v))
(t_4 (* (floor w) dY.u))
(t_5 (fabs (- (* t_3 t_4) (* t_0 t_1))))
(t_6 (fmax (+ (* t_0 t_0) (* t_3 t_3)) (+ (* t_4 t_4) (* t_1 t_1))))
(t_7 (sqrt t_6))
(t_8 (/ t_6 t_5))
(t_9 (* dY.u (floor w)))
(t_10
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_2 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_9 2.0))))
(t_11 (fabs (* (floor h) (- (* t_9 dX.v) (* dY.v t_2)))))
(t_12 (sqrt t_10))
(t_13 (> t_8 (floor maxAniso)))
(t_14 (if t_13 (floor maxAniso) t_8)))
(if (<
(if (> (/ t_10 t_11) (floor maxAniso))
(/ t_12 (floor maxAniso))
(/ t_11 t_12))
1.0)
(fmax 1.0 (* t_14 (if t_13 (/ t_7 (floor maxAniso)) (/ t_5 t_7))))
t_14)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = dX_46_u * floorf(w);
float t_3 = floorf(h) * dX_46_v;
float t_4 = floorf(w) * dY_46_u;
float t_5 = fabsf(((t_3 * t_4) - (t_0 * t_1)));
float t_6 = fmaxf(((t_0 * t_0) + (t_3 * t_3)), ((t_4 * t_4) + (t_1 * t_1)));
float t_7 = sqrtf(t_6);
float t_8 = t_6 / t_5;
float t_9 = dY_46_u * floorf(w);
float t_10 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_2, 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_9, 2.0f)));
float t_11 = fabsf((floorf(h) * ((t_9 * dX_46_v) - (dY_46_v * t_2))));
float t_12 = sqrtf(t_10);
int t_13 = t_8 > floorf(maxAniso);
float tmp;
if (t_13) {
tmp = floorf(maxAniso);
} else {
tmp = t_8;
}
float t_14 = tmp;
float tmp_1;
if ((t_10 / t_11) > floorf(maxAniso)) {
tmp_1 = t_12 / floorf(maxAniso);
} else {
tmp_1 = t_11 / t_12;
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_13) {
tmp_4 = t_7 / floorf(maxAniso);
} else {
tmp_4 = t_5 / t_7;
}
tmp_3 = fmaxf(1.0f, (t_14 * tmp_4));
} else {
tmp_3 = t_14;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(dX_46_u * floor(w)) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(floor(w) * dY_46_u) t_5 = abs(Float32(Float32(t_3 * t_4) - Float32(t_0 * t_1))) t_6 = (Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) != Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3))) ? Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1)) : ((Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1)) != Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1))) ? Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) : max(Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)), Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1)))) t_7 = sqrt(t_6) t_8 = Float32(t_6 / t_5) t_9 = Float32(dY_46_u * floor(w)) t_10 = (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_9 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_9 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_9 ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_9 ^ Float32(2.0))))) t_11 = abs(Float32(floor(h) * Float32(Float32(t_9 * dX_46_v) - Float32(dY_46_v * t_2)))) t_12 = sqrt(t_10) t_13 = t_8 > floor(maxAniso) tmp = Float32(0.0) if (t_13) tmp = floor(maxAniso); else tmp = t_8; end t_14 = tmp tmp_1 = Float32(0.0) if (Float32(t_10 / t_11) > floor(maxAniso)) tmp_1 = Float32(t_12 / floor(maxAniso)); else tmp_1 = Float32(t_11 / t_12); end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_13) tmp_4 = Float32(t_7 / floor(maxAniso)); else tmp_4 = Float32(t_5 / t_7); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(t_14 * tmp_4) : ((Float32(t_14 * tmp_4) != Float32(t_14 * tmp_4)) ? Float32(1.0) : max(Float32(1.0), Float32(t_14 * tmp_4))); else tmp_3 = t_14; end return tmp_3 end
function tmp_6 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = floor(h) * dY_46_v; t_2 = dX_46_u * floor(w); t_3 = floor(h) * dX_46_v; t_4 = floor(w) * dY_46_u; t_5 = abs(((t_3 * t_4) - (t_0 * t_1))); t_6 = max(((t_0 * t_0) + (t_3 * t_3)), ((t_4 * t_4) + (t_1 * t_1))); t_7 = sqrt(t_6); t_8 = t_6 / t_5; t_9 = dY_46_u * floor(w); t_10 = max((((dX_46_v * floor(h)) ^ single(2.0)) + (t_2 ^ single(2.0))), (((dY_46_v * floor(h)) ^ single(2.0)) + (t_9 ^ single(2.0)))); t_11 = abs((floor(h) * ((t_9 * dX_46_v) - (dY_46_v * t_2)))); t_12 = sqrt(t_10); t_13 = t_8 > floor(maxAniso); tmp = single(0.0); if (t_13) tmp = floor(maxAniso); else tmp = t_8; end t_14 = tmp; tmp_2 = single(0.0); if ((t_10 / t_11) > floor(maxAniso)) tmp_2 = t_12 / floor(maxAniso); else tmp_2 = t_11 / t_12; end tmp_4 = single(0.0); if (tmp_2 < single(1.0)) tmp_5 = single(0.0); if (t_13) tmp_5 = t_7 / floor(maxAniso); else tmp_5 = t_5 / t_7; end tmp_4 = max(single(1.0), (t_14 * tmp_5)); else tmp_4 = t_14; end tmp_6 = tmp_4; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := \left|t\_3 \cdot t\_4 - t\_0 \cdot t\_1\right|\\
t_6 := \mathsf{max}\left(t\_0 \cdot t\_0 + t\_3 \cdot t\_3, t\_4 \cdot t\_4 + t\_1 \cdot t\_1\right)\\
t_7 := \sqrt{t\_6}\\
t_8 := \frac{t\_6}{t\_5}\\
t_9 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_10 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_2}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_9}^{2}\right)\\
t_11 := \left|\left\lfloor h\right\rfloor \cdot \left(t\_9 \cdot dX.v - dY.v \cdot t\_2\right)\right|\\
t_12 := \sqrt{t\_10}\\
t_13 := t\_8 > \left\lfloor maxAniso\right\rfloor \\
t_14 := \begin{array}{l}
\mathbf{if}\;t\_13:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_10}{t\_11} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_12}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_11}{t\_12}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_14 \cdot \begin{array}{l}
\mathbf{if}\;t\_13:\\
\;\;\;\;\frac{t\_7}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_5}{t\_7}\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_14\\
\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 (* (floor w) dX.u))
(t_1 (pow (floor w) 2.0))
(t_2 (* (floor h) dY.v))
(t_3 (pow (floor h) 2.0))
(t_4 (* dX.u (floor w)))
(t_5 (* (floor h) dX.v))
(t_6 (* t_5 t_5))
(t_7 (* (floor w) dY.u))
(t_8 (+ (* t_7 t_7) (* t_2 t_2)))
(t_9 (fabs (- (* t_5 t_7) (* t_0 t_2))))
(t_10 (fmax (+ (* t_0 t_0) t_6) t_8))
(t_11 (/ t_10 t_9))
(t_12 (sqrt t_10))
(t_13 (* dY.u (floor w)))
(t_14
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_4 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_13 2.0))))
(t_15 (fabs (* (floor h) (- (* t_13 dX.v) (* dY.v t_4)))))
(t_16 (sqrt t_14))
(t_17 (> t_11 (floor maxAniso))))
(if (<
(if (> (/ t_14 t_15) (floor maxAniso))
(/ t_16 (floor maxAniso))
(/ t_15 t_16))
1.0)
(fmax
1.0
(*
(if t_17 (floor maxAniso) t_11)
(if (>
(/
(fmax
(fma t_3 (* dX.v dX.v) (* t_1 (* dX.u dX.u)))
(fma (* dY.v dY.v) t_3 (* (* dY.u dY.u) t_1)))
(fabs
(* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v)))))
(floor maxAniso))
(/ t_12 (floor maxAniso))
(/ t_9 t_12))))
(if t_17
(floor maxAniso)
(/ (fmax (+ (* (pow t_1 1.0) (* dX.u dX.u)) t_6) t_8) 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 = floorf(w) * dX_46_u;
float t_1 = powf(floorf(w), 2.0f);
float t_2 = floorf(h) * dY_46_v;
float t_3 = powf(floorf(h), 2.0f);
float t_4 = dX_46_u * floorf(w);
float t_5 = floorf(h) * dX_46_v;
float t_6 = t_5 * t_5;
float t_7 = floorf(w) * dY_46_u;
float t_8 = (t_7 * t_7) + (t_2 * t_2);
float t_9 = fabsf(((t_5 * t_7) - (t_0 * t_2)));
float t_10 = fmaxf(((t_0 * t_0) + t_6), t_8);
float t_11 = t_10 / t_9;
float t_12 = sqrtf(t_10);
float t_13 = dY_46_u * floorf(w);
float t_14 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_4, 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_13, 2.0f)));
float t_15 = fabsf((floorf(h) * ((t_13 * dX_46_v) - (dY_46_v * t_4))));
float t_16 = sqrtf(t_14);
int t_17 = t_11 > floorf(maxAniso);
float tmp;
if ((t_14 / t_15) > floorf(maxAniso)) {
tmp = t_16 / floorf(maxAniso);
} else {
tmp = t_15 / t_16;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_17) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_11;
}
float tmp_5;
if ((fmaxf(fmaf(t_3, (dX_46_v * dX_46_v), (t_1 * (dX_46_u * dX_46_u))), fmaf((dY_46_v * dY_46_v), t_3, ((dY_46_u * dY_46_u) * t_1))) / fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))))) > floorf(maxAniso)) {
tmp_5 = t_12 / floorf(maxAniso);
} else {
tmp_5 = t_9 / t_12;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_17) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = fmaxf(((powf(t_1, 1.0f) * (dX_46_u * dX_46_u)) + t_6), t_8) / t_9;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = floor(w) ^ Float32(2.0) t_2 = Float32(floor(h) * dY_46_v) t_3 = floor(h) ^ Float32(2.0) t_4 = Float32(dX_46_u * floor(w)) t_5 = Float32(floor(h) * dX_46_v) t_6 = Float32(t_5 * t_5) t_7 = Float32(floor(w) * dY_46_u) t_8 = Float32(Float32(t_7 * t_7) + Float32(t_2 * t_2)) t_9 = abs(Float32(Float32(t_5 * t_7) - Float32(t_0 * t_2))) t_10 = (Float32(Float32(t_0 * t_0) + t_6) != Float32(Float32(t_0 * t_0) + t_6)) ? t_8 : ((t_8 != t_8) ? Float32(Float32(t_0 * t_0) + t_6) : max(Float32(Float32(t_0 * t_0) + t_6), t_8)) t_11 = Float32(t_10 / t_9) t_12 = sqrt(t_10) t_13 = Float32(dY_46_u * floor(w)) t_14 = (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_13 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_13 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_13 ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_13 ^ Float32(2.0))))) t_15 = abs(Float32(floor(h) * Float32(Float32(t_13 * dX_46_v) - Float32(dY_46_v * t_4)))) t_16 = sqrt(t_14) t_17 = t_11 > floor(maxAniso) tmp = Float32(0.0) if (Float32(t_14 / t_15) > floor(maxAniso)) tmp = Float32(t_16 / floor(maxAniso)); else tmp = Float32(t_15 / t_16); 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_11; end tmp_5 = Float32(0.0) if (Float32(((fma(t_3, Float32(dX_46_v * dX_46_v), Float32(t_1 * Float32(dX_46_u * dX_46_u))) != fma(t_3, Float32(dX_46_v * dX_46_v), Float32(t_1 * Float32(dX_46_u * dX_46_u)))) ? fma(Float32(dY_46_v * dY_46_v), t_3, Float32(Float32(dY_46_u * dY_46_u) * t_1)) : ((fma(Float32(dY_46_v * dY_46_v), t_3, Float32(Float32(dY_46_u * dY_46_u) * t_1)) != fma(Float32(dY_46_v * dY_46_v), t_3, Float32(Float32(dY_46_u * dY_46_u) * t_1))) ? fma(t_3, Float32(dX_46_v * dX_46_v), Float32(t_1 * Float32(dX_46_u * dX_46_u))) : max(fma(t_3, Float32(dX_46_v * dX_46_v), Float32(t_1 * Float32(dX_46_u * dX_46_u))), fma(Float32(dY_46_v * dY_46_v), t_3, Float32(Float32(dY_46_u * dY_46_u) * t_1))))) / abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v))))) > floor(maxAniso)) tmp_5 = Float32(t_12 / floor(maxAniso)); else tmp_5 = Float32(t_9 / t_12); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_17) tmp_3 = floor(maxAniso); else tmp_3 = Float32(((Float32(Float32((t_1 ^ Float32(1.0)) * Float32(dX_46_u * dX_46_u)) + t_6) != Float32(Float32((t_1 ^ Float32(1.0)) * Float32(dX_46_u * dX_46_u)) + t_6)) ? t_8 : ((t_8 != t_8) ? Float32(Float32((t_1 ^ Float32(1.0)) * Float32(dX_46_u * dX_46_u)) + t_6) : max(Float32(Float32((t_1 ^ Float32(1.0)) * Float32(dX_46_u * dX_46_u)) + t_6), t_8))) / t_9); end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := t\_5 \cdot t\_5\\
t_7 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_8 := t\_7 \cdot t\_7 + t\_2 \cdot t\_2\\
t_9 := \left|t\_5 \cdot t\_7 - t\_0 \cdot t\_2\right|\\
t_10 := \mathsf{max}\left(t\_0 \cdot t\_0 + t\_6, t\_8\right)\\
t_11 := \frac{t\_10}{t\_9}\\
t_12 := \sqrt{t\_10}\\
t_13 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_14 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_4}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_13}^{2}\right)\\
t_15 := \left|\left\lfloor h\right\rfloor \cdot \left(t\_13 \cdot dX.v - dY.v \cdot t\_4\right)\right|\\
t_16 := \sqrt{t\_14}\\
t_17 := t\_11 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_14}{t\_15} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_16}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_15}{t\_16}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_17:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_3, dX.v \cdot dX.v, t\_1 \cdot \left(dX.u \cdot dX.u\right)\right), \mathsf{fma}\left(dY.v \cdot dY.v, t\_3, \left(dY.u \cdot dY.u\right) \cdot t\_1\right)\right)}{\left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot \left(dY.v \cdot dX.u - dY.u \cdot dX.v\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_12}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_9}{t\_12}\\
\end{array}\right)\\
\mathbf{elif}\;t\_17:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left({t\_1}^{1} \cdot \left(dX.u \cdot dX.u\right) + t\_6, t\_8\right)}{t\_9}\\
\end{array}
\end{array}
Initial program 98.4%
Applied rewrites98.4%
Taylor expanded in w around 0
Applied rewrites98.1%
unpow1N/A
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
lift-*.f32N/A
*-lft-identityN/A
associate-*r*N/A
unpow-prod-downN/A
lift-*.f32N/A
pow-prod-downN/A
unpow1N/A
unpow1N/A
lift-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-*.f3298.2
Applied rewrites98.2%
Final simplification98.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* dX.u (floor w)))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dY.v))
(t_4 (* dY.u (floor w)))
(t_5
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_1 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_4 2.0))))
(t_6 (sqrt t_5))
(t_7 (fabs (* (floor h) (- (* t_4 dX.v) (* dY.v t_1)))))
(t_8 (* (floor h) (floor w)))
(t_9 (pow (floor w) 2.0))
(t_10 (pow (floor h) 2.0))
(t_11 (* (floor h) dX.v))
(t_12 (fmax (+ (* t_0 t_0) (* t_11 t_11)) (+ (* t_2 t_2) (* t_3 t_3))))
(t_13 (sqrt t_12))
(t_14 (- (* dY.v dX.u) (* dY.u dX.v)))
(t_15
(/
(fmax
(fma (* t_9 dX.u) dX.u (* (* t_10 dX.v) dX.v))
(fma (* t_9 dY.u) dY.u (* (* t_10 dY.v) dY.v)))
(fabs (* t_14 t_8))))
(t_16 (fabs (- (* t_11 t_2) (* t_0 t_3))))
(t_17 (/ t_12 t_16)))
(if (<
(if (> (/ t_5 t_7) (floor maxAniso))
(/ t_6 (floor maxAniso))
(/ t_7 t_6))
1.0)
(fmax
1.0
(*
(if (> t_15 (floor maxAniso)) (floor maxAniso) t_15)
(if (>
(/
(fmax
(fma t_10 (* dX.v dX.v) (* t_9 (* dX.u dX.u)))
(fma (* dY.v dY.v) t_10 (* (* dY.u dY.u) t_9)))
(fabs (* t_8 t_14)))
(floor maxAniso))
(/ t_13 (floor maxAniso))
(/ t_16 t_13))))
(if (> t_17 (floor maxAniso)) (floor maxAniso) t_17))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = dX_46_u * floorf(w);
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dY_46_v;
float t_4 = dY_46_u * floorf(w);
float t_5 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_1, 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_4, 2.0f)));
float t_6 = sqrtf(t_5);
float t_7 = fabsf((floorf(h) * ((t_4 * dX_46_v) - (dY_46_v * t_1))));
float t_8 = floorf(h) * floorf(w);
float t_9 = powf(floorf(w), 2.0f);
float t_10 = powf(floorf(h), 2.0f);
float t_11 = floorf(h) * dX_46_v;
float t_12 = fmaxf(((t_0 * t_0) + (t_11 * t_11)), ((t_2 * t_2) + (t_3 * t_3)));
float t_13 = sqrtf(t_12);
float t_14 = (dY_46_v * dX_46_u) - (dY_46_u * dX_46_v);
float t_15 = fmaxf(fmaf((t_9 * dX_46_u), dX_46_u, ((t_10 * dX_46_v) * dX_46_v)), fmaf((t_9 * dY_46_u), dY_46_u, ((t_10 * dY_46_v) * dY_46_v))) / fabsf((t_14 * t_8));
float t_16 = fabsf(((t_11 * t_2) - (t_0 * t_3)));
float t_17 = t_12 / t_16;
float tmp;
if ((t_5 / t_7) > floorf(maxAniso)) {
tmp = t_6 / floorf(maxAniso);
} else {
tmp = t_7 / t_6;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_15 > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_15;
}
float tmp_5;
if ((fmaxf(fmaf(t_10, (dX_46_v * dX_46_v), (t_9 * (dX_46_u * dX_46_u))), fmaf((dY_46_v * dY_46_v), t_10, ((dY_46_u * dY_46_u) * t_9))) / fabsf((t_8 * t_14))) > floorf(maxAniso)) {
tmp_5 = t_13 / floorf(maxAniso);
} else {
tmp_5 = t_16 / t_13;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_17 > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_17;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(dX_46_u * floor(w)) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(dY_46_u * floor(w)) t_5 = (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0))))) t_6 = sqrt(t_5) t_7 = abs(Float32(floor(h) * Float32(Float32(t_4 * dX_46_v) - Float32(dY_46_v * t_1)))) t_8 = Float32(floor(h) * floor(w)) t_9 = floor(w) ^ Float32(2.0) t_10 = floor(h) ^ Float32(2.0) t_11 = Float32(floor(h) * dX_46_v) t_12 = (Float32(Float32(t_0 * t_0) + Float32(t_11 * t_11)) != Float32(Float32(t_0 * t_0) + Float32(t_11 * t_11))) ? Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) : ((Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) != Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3))) ? Float32(Float32(t_0 * t_0) + Float32(t_11 * t_11)) : max(Float32(Float32(t_0 * t_0) + Float32(t_11 * t_11)), Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)))) t_13 = sqrt(t_12) t_14 = Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)) t_15 = Float32(((fma(Float32(t_9 * dX_46_u), dX_46_u, Float32(Float32(t_10 * dX_46_v) * dX_46_v)) != fma(Float32(t_9 * dX_46_u), dX_46_u, Float32(Float32(t_10 * dX_46_v) * dX_46_v))) ? fma(Float32(t_9 * dY_46_u), dY_46_u, Float32(Float32(t_10 * dY_46_v) * dY_46_v)) : ((fma(Float32(t_9 * dY_46_u), dY_46_u, Float32(Float32(t_10 * dY_46_v) * dY_46_v)) != fma(Float32(t_9 * dY_46_u), dY_46_u, Float32(Float32(t_10 * dY_46_v) * dY_46_v))) ? fma(Float32(t_9 * dX_46_u), dX_46_u, Float32(Float32(t_10 * dX_46_v) * dX_46_v)) : max(fma(Float32(t_9 * dX_46_u), dX_46_u, Float32(Float32(t_10 * dX_46_v) * dX_46_v)), fma(Float32(t_9 * dY_46_u), dY_46_u, Float32(Float32(t_10 * dY_46_v) * dY_46_v))))) / abs(Float32(t_14 * t_8))) t_16 = abs(Float32(Float32(t_11 * t_2) - Float32(t_0 * t_3))) t_17 = Float32(t_12 / t_16) tmp = Float32(0.0) if (Float32(t_5 / t_7) > floor(maxAniso)) tmp = Float32(t_6 / floor(maxAniso)); else tmp = Float32(t_7 / t_6); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_15 > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = t_15; end tmp_5 = Float32(0.0) if (Float32(((fma(t_10, Float32(dX_46_v * dX_46_v), Float32(t_9 * Float32(dX_46_u * dX_46_u))) != fma(t_10, Float32(dX_46_v * dX_46_v), Float32(t_9 * Float32(dX_46_u * dX_46_u)))) ? fma(Float32(dY_46_v * dY_46_v), t_10, Float32(Float32(dY_46_u * dY_46_u) * t_9)) : ((fma(Float32(dY_46_v * dY_46_v), t_10, Float32(Float32(dY_46_u * dY_46_u) * t_9)) != fma(Float32(dY_46_v * dY_46_v), t_10, Float32(Float32(dY_46_u * dY_46_u) * t_9))) ? fma(t_10, Float32(dX_46_v * dX_46_v), Float32(t_9 * Float32(dX_46_u * dX_46_u))) : max(fma(t_10, Float32(dX_46_v * dX_46_v), Float32(t_9 * Float32(dX_46_u * dX_46_u))), fma(Float32(dY_46_v * dY_46_v), t_10, Float32(Float32(dY_46_u * dY_46_u) * t_9))))) / abs(Float32(t_8 * t_14))) > floor(maxAniso)) tmp_5 = Float32(t_13 / floor(maxAniso)); else tmp_5 = Float32(t_16 / t_13); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_17 > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_17; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_5 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_1}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_4}^{2}\right)\\
t_6 := \sqrt{t\_5}\\
t_7 := \left|\left\lfloor h\right\rfloor \cdot \left(t\_4 \cdot dX.v - dY.v \cdot t\_1\right)\right|\\
t_8 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_9 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_10 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_11 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_12 := \mathsf{max}\left(t\_0 \cdot t\_0 + t\_11 \cdot t\_11, t\_2 \cdot t\_2 + t\_3 \cdot t\_3\right)\\
t_13 := \sqrt{t\_12}\\
t_14 := dY.v \cdot dX.u - dY.u \cdot dX.v\\
t_15 := \frac{\mathsf{max}\left(\mathsf{fma}\left(t\_9 \cdot dX.u, dX.u, \left(t\_10 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_9 \cdot dY.u, dY.u, \left(t\_10 \cdot dY.v\right) \cdot dY.v\right)\right)}{\left|t\_14 \cdot t\_8\right|}\\
t_16 := \left|t\_11 \cdot t\_2 - t\_0 \cdot t\_3\right|\\
t_17 := \frac{t\_12}{t\_16}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_5}{t\_7} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_6}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{t\_6}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_15 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_15\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_10, dX.v \cdot dX.v, t\_9 \cdot \left(dX.u \cdot dX.u\right)\right), \mathsf{fma}\left(dY.v \cdot dY.v, t\_10, \left(dY.u \cdot dY.u\right) \cdot t\_9\right)\right)}{\left|t\_8 \cdot t\_14\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_13}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_16}{t\_13}\\
\end{array}\right)\\
\mathbf{elif}\;t\_17 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_17\\
\end{array}
\end{array}
Initial program 98.4%
Applied rewrites98.4%
Taylor expanded in w around 0
Applied rewrites98.1%
Taylor expanded in w around 0
Applied rewrites98.1%
Taylor expanded in w around 0
Applied rewrites98.1%
Final simplification98.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (floor h) 2.0))
(t_2 (* (floor h) (floor w)))
(t_3 (* (floor w) dX.u))
(t_4 (pow (floor w) 2.0))
(t_5
(fmax
(fma (* t_4 dX.u) dX.u (* (* t_1 dX.v) dX.v))
(fma (* t_4 dY.u) dY.u (* (* t_1 dY.v) dY.v))))
(t_6 (/ t_5 (fabs (* (- (* dY.v dX.u) (* dY.u dX.v)) t_2))))
(t_7
(fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) (* (floor w) (floor h)))))
(t_8 (* (floor h) dX.v))
(t_9 (* (floor w) dY.u))
(t_10 (fabs (- (* t_8 t_9) (* t_3 t_0))))
(t_11 (fmax (+ (* t_3 t_3) (* t_8 t_8)) (+ (* t_9 t_9) (* t_0 t_0))))
(t_12 (/ t_11 t_10))
(t_13 (sqrt t_11)))
(if (<
(if (> (/ t_5 t_7) (floor maxAniso))
(/ (sqrt t_5) (floor maxAniso))
(* (sqrt (/ 1.0 t_5)) t_7))
1.0)
(fmax
1.0
(*
(if (> t_6 (floor maxAniso)) (floor maxAniso) t_6)
(if (> (/ t_11 (fabs (* (* (- dX.v) dY.u) t_2))) (floor maxAniso))
(/ t_13 (floor maxAniso))
(/ t_10 t_13))))
(if (> t_12 (floor maxAniso)) (floor maxAniso) t_12))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = powf(floorf(h), 2.0f);
float t_2 = floorf(h) * floorf(w);
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(floorf(w), 2.0f);
float t_5 = fmaxf(fmaf((t_4 * dX_46_u), dX_46_u, ((t_1 * dX_46_v) * dX_46_v)), fmaf((t_4 * dY_46_u), dY_46_u, ((t_1 * dY_46_v) * dY_46_v)));
float t_6 = t_5 / fabsf((((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v)) * t_2));
float t_7 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * (floorf(w) * floorf(h))));
float t_8 = floorf(h) * dX_46_v;
float t_9 = floorf(w) * dY_46_u;
float t_10 = fabsf(((t_8 * t_9) - (t_3 * t_0)));
float t_11 = fmaxf(((t_3 * t_3) + (t_8 * t_8)), ((t_9 * t_9) + (t_0 * t_0)));
float t_12 = t_11 / t_10;
float t_13 = sqrtf(t_11);
float tmp;
if ((t_5 / t_7) > floorf(maxAniso)) {
tmp = sqrtf(t_5) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_5)) * t_7;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_6 > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_6;
}
float tmp_5;
if ((t_11 / fabsf(((-dX_46_v * dY_46_u) * t_2))) > floorf(maxAniso)) {
tmp_5 = t_13 / floorf(maxAniso);
} else {
tmp_5 = t_10 / t_13;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_12 > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_12;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = floor(h) ^ Float32(2.0) t_2 = Float32(floor(h) * floor(w)) t_3 = Float32(floor(w) * dX_46_u) t_4 = floor(w) ^ Float32(2.0) t_5 = (fma(Float32(t_4 * dX_46_u), dX_46_u, Float32(Float32(t_1 * dX_46_v) * dX_46_v)) != fma(Float32(t_4 * dX_46_u), dX_46_u, Float32(Float32(t_1 * dX_46_v) * dX_46_v))) ? fma(Float32(t_4 * dY_46_u), dY_46_u, Float32(Float32(t_1 * dY_46_v) * dY_46_v)) : ((fma(Float32(t_4 * dY_46_u), dY_46_u, Float32(Float32(t_1 * dY_46_v) * dY_46_v)) != fma(Float32(t_4 * dY_46_u), dY_46_u, Float32(Float32(t_1 * dY_46_v) * dY_46_v))) ? fma(Float32(t_4 * dX_46_u), dX_46_u, Float32(Float32(t_1 * dX_46_v) * dX_46_v)) : max(fma(Float32(t_4 * dX_46_u), dX_46_u, Float32(Float32(t_1 * dX_46_v) * dX_46_v)), fma(Float32(t_4 * dY_46_u), dY_46_u, Float32(Float32(t_1 * dY_46_v) * dY_46_v)))) t_6 = Float32(t_5 / abs(Float32(Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)) * t_2))) t_7 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * Float32(floor(w) * floor(h)))) t_8 = Float32(floor(h) * dX_46_v) t_9 = Float32(floor(w) * dY_46_u) t_10 = abs(Float32(Float32(t_8 * t_9) - Float32(t_3 * t_0))) t_11 = (Float32(Float32(t_3 * t_3) + Float32(t_8 * t_8)) != Float32(Float32(t_3 * t_3) + Float32(t_8 * t_8))) ? Float32(Float32(t_9 * t_9) + Float32(t_0 * t_0)) : ((Float32(Float32(t_9 * t_9) + Float32(t_0 * t_0)) != Float32(Float32(t_9 * t_9) + Float32(t_0 * t_0))) ? Float32(Float32(t_3 * t_3) + Float32(t_8 * t_8)) : max(Float32(Float32(t_3 * t_3) + Float32(t_8 * t_8)), Float32(Float32(t_9 * t_9) + Float32(t_0 * t_0)))) t_12 = Float32(t_11 / t_10) t_13 = sqrt(t_11) tmp = Float32(0.0) if (Float32(t_5 / t_7) > floor(maxAniso)) tmp = Float32(sqrt(t_5) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_5)) * t_7); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_6 > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = t_6; end tmp_5 = Float32(0.0) if (Float32(t_11 / abs(Float32(Float32(Float32(-dX_46_v) * dY_46_u) * t_2))) > floor(maxAniso)) tmp_5 = Float32(t_13 / floor(maxAniso)); else tmp_5 = Float32(t_10 / t_13); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_12 > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_12; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := \mathsf{max}\left(\mathsf{fma}\left(t\_4 \cdot dX.u, dX.u, \left(t\_1 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_4 \cdot dY.u, dY.u, \left(t\_1 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_6 := \frac{t\_5}{\left|\left(dY.v \cdot dX.u - dY.u \cdot dX.v\right) \cdot t\_2\right|}\\
t_7 := \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_8 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_9 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_10 := \left|t\_8 \cdot t\_9 - t\_3 \cdot t\_0\right|\\
t_11 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_8 \cdot t\_8, t\_9 \cdot t\_9 + t\_0 \cdot t\_0\right)\\
t_12 := \frac{t\_11}{t\_10}\\
t_13 := \sqrt{t\_11}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_5}{t\_7} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_5}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_5}} \cdot t\_7\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_6 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{t\_11}{\left|\left(\left(-dX.v\right) \cdot dY.u\right) \cdot t\_2\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_13}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_10}{t\_13}\\
\end{array}\right)\\
\mathbf{elif}\;t\_12 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_12\\
\end{array}
\end{array}
Initial program 98.4%
Taylor expanded in w around 0
Applied rewrites88.1%
Taylor expanded in dX.u around 0
mul-1-negN/A
associate-*r*N/A
distribute-lft-neg-inN/A
mul-1-negN/A
lower-*.f32N/A
mul-1-negN/A
distribute-lft-neg-outN/A
mul-1-negN/A
lower-*.f32N/A
mul-1-negN/A
lower-neg.f32N/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3287.1
Applied rewrites87.4%
Taylor expanded in w around 0
Applied rewrites87.2%
Taylor expanded in w around 0
Applied rewrites88.5%
Final simplification89.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) (* (floor w) (floor h)))))
(t_1 (- (* dY.v dX.u) (* dY.u dX.v)))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor h) dY.v))
(t_4 (pow (floor h) 2.0))
(t_5 (* (floor h) (floor w)))
(t_6 (* (floor h) dX.v))
(t_7 (pow (floor w) 2.0))
(t_8
(fmax
(fma (* t_7 dX.u) dX.u (* (* t_4 dX.v) dX.v))
(fma (* t_7 dY.u) dY.u (* (* t_4 dY.v) dY.v))))
(t_9 (> (/ t_8 (fabs (* t_1 t_5))) (floor maxAniso)))
(t_10 (* (floor w) dY.u))
(t_11 (fabs (- (* t_6 t_10) (* t_2 t_3))))
(t_12 (fmax (+ (* t_2 t_2) (* t_6 t_6)) (+ (* t_10 t_10) (* t_3 t_3))))
(t_13 (/ t_12 t_11))
(t_14 (sqrt t_12)))
(if (<
(if (> (/ t_8 t_0) (floor maxAniso))
(/ (sqrt t_8) (floor maxAniso))
(* (sqrt (/ 1.0 t_8)) t_0))
1.0)
(fmax
1.0
(*
(if t_9
(floor maxAniso)
(/
(fmax
(fma t_4 (* dX.v dX.v) (* t_7 (* dX.u dX.u)))
(fma (* dY.v dY.v) t_4 (* (* dY.u dY.u) t_7)))
(fabs (* t_5 t_1))))
(if t_9 (/ t_14 (floor maxAniso)) (/ t_11 t_14))))
(if (> t_13 (floor maxAniso)) (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 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * (floorf(w) * floorf(h))));
float t_1 = (dY_46_v * dX_46_u) - (dY_46_u * dX_46_v);
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(h) * dY_46_v;
float t_4 = powf(floorf(h), 2.0f);
float t_5 = floorf(h) * floorf(w);
float t_6 = floorf(h) * dX_46_v;
float t_7 = powf(floorf(w), 2.0f);
float t_8 = fmaxf(fmaf((t_7 * dX_46_u), dX_46_u, ((t_4 * dX_46_v) * dX_46_v)), fmaf((t_7 * dY_46_u), dY_46_u, ((t_4 * dY_46_v) * dY_46_v)));
int t_9 = (t_8 / fabsf((t_1 * t_5))) > floorf(maxAniso);
float t_10 = floorf(w) * dY_46_u;
float t_11 = fabsf(((t_6 * t_10) - (t_2 * t_3)));
float t_12 = fmaxf(((t_2 * t_2) + (t_6 * t_6)), ((t_10 * t_10) + (t_3 * t_3)));
float t_13 = t_12 / t_11;
float t_14 = sqrtf(t_12);
float tmp;
if ((t_8 / t_0) > floorf(maxAniso)) {
tmp = sqrtf(t_8) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_8)) * t_0;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_9) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = fmaxf(fmaf(t_4, (dX_46_v * dX_46_v), (t_7 * (dX_46_u * dX_46_u))), fmaf((dY_46_v * dY_46_v), t_4, ((dY_46_u * dY_46_u) * t_7))) / fabsf((t_5 * t_1));
}
float tmp_5;
if (t_9) {
tmp_5 = t_14 / floorf(maxAniso);
} else {
tmp_5 = t_11 / t_14;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_13 > floorf(maxAniso)) {
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 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * Float32(floor(w) * floor(h)))) t_1 = Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(h) * dY_46_v) t_4 = floor(h) ^ Float32(2.0) t_5 = Float32(floor(h) * floor(w)) t_6 = Float32(floor(h) * dX_46_v) t_7 = floor(w) ^ Float32(2.0) t_8 = (fma(Float32(t_7 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v)) != fma(Float32(t_7 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v))) ? fma(Float32(t_7 * dY_46_u), dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v)) : ((fma(Float32(t_7 * dY_46_u), dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v)) != fma(Float32(t_7 * dY_46_u), dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v))) ? fma(Float32(t_7 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v)) : max(fma(Float32(t_7 * dX_46_u), dX_46_u, Float32(Float32(t_4 * dX_46_v) * dX_46_v)), fma(Float32(t_7 * dY_46_u), dY_46_u, Float32(Float32(t_4 * dY_46_v) * dY_46_v)))) t_9 = Float32(t_8 / abs(Float32(t_1 * t_5))) > floor(maxAniso) t_10 = Float32(floor(w) * dY_46_u) t_11 = abs(Float32(Float32(t_6 * t_10) - Float32(t_2 * t_3))) t_12 = (Float32(Float32(t_2 * t_2) + Float32(t_6 * t_6)) != Float32(Float32(t_2 * t_2) + Float32(t_6 * t_6))) ? Float32(Float32(t_10 * t_10) + Float32(t_3 * t_3)) : ((Float32(Float32(t_10 * t_10) + Float32(t_3 * t_3)) != Float32(Float32(t_10 * t_10) + Float32(t_3 * t_3))) ? Float32(Float32(t_2 * t_2) + Float32(t_6 * t_6)) : max(Float32(Float32(t_2 * t_2) + Float32(t_6 * t_6)), Float32(Float32(t_10 * t_10) + Float32(t_3 * t_3)))) t_13 = Float32(t_12 / t_11) t_14 = sqrt(t_12) tmp = Float32(0.0) if (Float32(t_8 / t_0) > floor(maxAniso)) tmp = Float32(sqrt(t_8) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_8)) * t_0); 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 = Float32(((fma(t_4, Float32(dX_46_v * dX_46_v), Float32(t_7 * Float32(dX_46_u * dX_46_u))) != fma(t_4, Float32(dX_46_v * dX_46_v), Float32(t_7 * Float32(dX_46_u * dX_46_u)))) ? fma(Float32(dY_46_v * dY_46_v), t_4, Float32(Float32(dY_46_u * dY_46_u) * t_7)) : ((fma(Float32(dY_46_v * dY_46_v), t_4, Float32(Float32(dY_46_u * dY_46_u) * t_7)) != fma(Float32(dY_46_v * dY_46_v), t_4, Float32(Float32(dY_46_u * dY_46_u) * t_7))) ? fma(t_4, Float32(dX_46_v * dX_46_v), Float32(t_7 * Float32(dX_46_u * dX_46_u))) : max(fma(t_4, Float32(dX_46_v * dX_46_v), Float32(t_7 * Float32(dX_46_u * dX_46_u))), fma(Float32(dY_46_v * dY_46_v), t_4, Float32(Float32(dY_46_u * dY_46_u) * t_7))))) / abs(Float32(t_5 * t_1))); end tmp_5 = Float32(0.0) if (t_9) tmp_5 = Float32(t_14 / floor(maxAniso)); else tmp_5 = Float32(t_11 / t_14); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_13 > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_13; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \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_1 := dY.v \cdot dX.u - dY.u \cdot dX.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_6 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_7 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_8 := \mathsf{max}\left(\mathsf{fma}\left(t\_7 \cdot dX.u, dX.u, \left(t\_4 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_7 \cdot dY.u, dY.u, \left(t\_4 \cdot dY.v\right) \cdot dY.v\right)\right)\\
t_9 := \frac{t\_8}{\left|t\_1 \cdot t\_5\right|} > \left\lfloor maxAniso\right\rfloor \\
t_10 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_11 := \left|t\_6 \cdot t\_10 - t\_2 \cdot t\_3\right|\\
t_12 := \mathsf{max}\left(t\_2 \cdot t\_2 + t\_6 \cdot t\_6, t\_10 \cdot t\_10 + t\_3 \cdot t\_3\right)\\
t_13 := \frac{t\_12}{t\_11}\\
t_14 := \sqrt{t\_12}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_8}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_8}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_8}} \cdot t\_0\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_4, dX.v \cdot dX.v, t\_7 \cdot \left(dX.u \cdot dX.u\right)\right), \mathsf{fma}\left(dY.v \cdot dY.v, t\_4, \left(dY.u \cdot dY.u\right) \cdot t\_7\right)\right)}{\left|t\_5 \cdot t\_1\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_9:\\
\;\;\;\;\frac{t\_14}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_11}{t\_14}\\
\end{array}\right)\\
\mathbf{elif}\;t\_13 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_13\\
\end{array}
\end{array}
Initial program 98.4%
Taylor expanded in w around 0
Applied rewrites87.4%
Taylor expanded in w around 0
Applied rewrites87.7%
Taylor expanded in w around 0
Applied rewrites87.9%
Taylor expanded in w around 0
Applied rewrites88.4%
Final simplification88.1%
herbie shell --seed 2024303
(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))))))))