
(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 (* dY.u (floor w)))
(t_1 (* (floor h) dX.v))
(t_2 (* dY.v (floor h)))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dY.v))
(t_5 (* (floor w) dX.u))
(t_6 (+ (* t_5 t_5) (* t_1 t_1)))
(t_7 (fmax t_6 (+ (* t_3 t_3) (* t_4 t_4))))
(t_8 (sqrt t_7))
(t_9 (fabs (- (* t_1 t_3) (* t_5 t_4))))
(t_10 (/ t_9 t_8))
(t_11 (/ t_7 t_9))
(t_12 (> t_11 (floor maxAniso)))
(t_13 (if t_12 (floor maxAniso) t_11)))
(if (< (if t_12 (/ t_8 (floor maxAniso)) t_10) 1.0)
(fmax
1.0
(*
t_13
(if t_12
(/
(sqrt
(fmax
t_6
(/
(- (pow t_0 12.0) (pow t_2 12.0))
(*
(- (+ (pow t_2 4.0) (pow t_0 4.0)) (pow (* t_0 t_2) 2.0))
(- (pow t_0 6.0) (pow t_2 6.0))))))
(floor maxAniso))
t_10)))
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 = floorf(h) * dX_46_v;
float t_2 = dY_46_v * floorf(h);
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * dY_46_v;
float t_5 = floorf(w) * dX_46_u;
float t_6 = (t_5 * t_5) + (t_1 * t_1);
float t_7 = fmaxf(t_6, ((t_3 * t_3) + (t_4 * t_4)));
float t_8 = sqrtf(t_7);
float t_9 = fabsf(((t_1 * t_3) - (t_5 * t_4)));
float t_10 = t_9 / t_8;
float t_11 = t_7 / t_9;
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 (t_12) {
tmp_1 = t_8 / floorf(maxAniso);
} else {
tmp_1 = t_10;
}
float tmp_3;
if (tmp_1 < 1.0f) {
float tmp_4;
if (t_12) {
tmp_4 = sqrtf(fmaxf(t_6, ((powf(t_0, 12.0f) - powf(t_2, 12.0f)) / (((powf(t_2, 4.0f) + powf(t_0, 4.0f)) - powf((t_0 * t_2), 2.0f)) * (powf(t_0, 6.0f) - powf(t_2, 6.0f)))))) / floorf(maxAniso);
} else {
tmp_4 = t_10;
}
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(floor(h) * dX_46_v) t_2 = Float32(dY_46_v * floor(h)) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(floor(w) * dX_46_u) t_6 = Float32(Float32(t_5 * t_5) + Float32(t_1 * t_1)) t_7 = (t_6 != t_6) ? Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) : ((Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) != Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4))) ? t_6 : max(t_6, Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)))) t_8 = sqrt(t_7) t_9 = abs(Float32(Float32(t_1 * t_3) - Float32(t_5 * t_4))) t_10 = Float32(t_9 / t_8) t_11 = Float32(t_7 / t_9) 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 (t_12) tmp_1 = Float32(t_8 / floor(maxAniso)); else tmp_1 = t_10; end tmp_3 = Float32(0.0) if (tmp_1 < Float32(1.0)) tmp_4 = Float32(0.0) if (t_12) tmp_4 = Float32(sqrt(((t_6 != t_6) ? Float32(Float32((t_0 ^ Float32(12.0)) - (t_2 ^ Float32(12.0))) / Float32(Float32(Float32((t_2 ^ Float32(4.0)) + (t_0 ^ Float32(4.0))) - (Float32(t_0 * t_2) ^ Float32(2.0))) * Float32((t_0 ^ Float32(6.0)) - (t_2 ^ Float32(6.0))))) : ((Float32(Float32((t_0 ^ Float32(12.0)) - (t_2 ^ Float32(12.0))) / Float32(Float32(Float32((t_2 ^ Float32(4.0)) + (t_0 ^ Float32(4.0))) - (Float32(t_0 * t_2) ^ Float32(2.0))) * Float32((t_0 ^ Float32(6.0)) - (t_2 ^ Float32(6.0))))) != Float32(Float32((t_0 ^ Float32(12.0)) - (t_2 ^ Float32(12.0))) / Float32(Float32(Float32((t_2 ^ Float32(4.0)) + (t_0 ^ Float32(4.0))) - (Float32(t_0 * t_2) ^ Float32(2.0))) * Float32((t_0 ^ Float32(6.0)) - (t_2 ^ Float32(6.0)))))) ? t_6 : max(t_6, Float32(Float32((t_0 ^ Float32(12.0)) - (t_2 ^ Float32(12.0))) / Float32(Float32(Float32((t_2 ^ Float32(4.0)) + (t_0 ^ Float32(4.0))) - (Float32(t_0 * t_2) ^ Float32(2.0))) * Float32((t_0 ^ Float32(6.0)) - (t_2 ^ Float32(6.0))))))))) / floor(maxAniso)); else tmp_4 = t_10; end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(t_13 * tmp_4) : ((Float32(t_13 * tmp_4) != Float32(t_13 * tmp_4)) ? Float32(1.0) : max(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 = floor(h) * dX_46_v; t_2 = dY_46_v * floor(h); t_3 = floor(w) * dY_46_u; t_4 = floor(h) * dY_46_v; t_5 = floor(w) * dX_46_u; t_6 = (t_5 * t_5) + (t_1 * t_1); t_7 = max(t_6, ((t_3 * t_3) + (t_4 * t_4))); t_8 = sqrt(t_7); t_9 = abs(((t_1 * t_3) - (t_5 * t_4))); t_10 = t_9 / t_8; t_11 = t_7 / t_9; 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 (t_12) tmp_2 = t_8 / floor(maxAniso); else tmp_2 = t_10; end tmp_4 = single(0.0); if (tmp_2 < single(1.0)) tmp_5 = single(0.0); if (t_12) tmp_5 = sqrt(max(t_6, (((t_0 ^ single(12.0)) - (t_2 ^ single(12.0))) / ((((t_2 ^ single(4.0)) + (t_0 ^ single(4.0))) - ((t_0 * t_2) ^ single(2.0))) * ((t_0 ^ single(6.0)) - (t_2 ^ single(6.0))))))) / floor(maxAniso); else tmp_5 = t_10; 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\lfloor h\right\rfloor \cdot dX.v\\
t_2 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_6 := t\_5 \cdot t\_5 + t\_1 \cdot t\_1\\
t_7 := \mathsf{max}\left(t\_6, t\_3 \cdot t\_3 + t\_4 \cdot t\_4\right)\\
t_8 := \sqrt{t\_7}\\
t_9 := \left|t\_1 \cdot t\_3 - t\_5 \cdot t\_4\right|\\
t_10 := \frac{t\_9}{t\_8}\\
t_11 := \frac{t\_7}{t\_9}\\
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}\;t\_12:\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, t\_13 \cdot \begin{array}{l}
\mathbf{if}\;t\_12:\\
\;\;\;\;\frac{\sqrt{\mathsf{max}\left(t\_6, \frac{{t\_0}^{12} - {t\_2}^{12}}{\left(\left({t\_2}^{4} + {t\_0}^{4}\right) - {\left(t\_0 \cdot t\_2\right)}^{2}\right) \cdot \left({t\_0}^{6} - {t\_2}^{6}\right)}\right)}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\right)\\
\mathbf{else}:\\
\;\;\;\;t\_13\\
\end{array}
\end{array}
Initial program 98.0%
Applied rewrites98.0%
Final simplification98.0%
(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 98.0%
Applied rewrites98.0%
Final simplification98.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dX.u))
(t_3 (pow (floor w) 2.0))
(t_4 (* dX.u (floor w)))
(t_5 (* (floor h) dX.v))
(t_6 (* (floor w) dY.u))
(t_7 (fabs (- (* t_5 t_6) (* t_2 t_1))))
(t_8 (fmax (+ (* t_2 t_2) (* t_5 t_5)) (+ (* t_6 t_6) (* t_1 t_1))))
(t_9 (/ t_8 t_7))
(t_10 (sqrt t_8))
(t_11 (* dY.u (floor w)))
(t_12
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_4 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_4)))))
(t_14 (sqrt t_12))
(t_15 (> t_9 (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)
(/
(fmax
(fma (* t_3 dX.u) dX.u (* (* t_0 dX.v) dX.v))
(fma (* t_3 dY.u) dY.u (* (* t_0 dY.v) dY.v)))
(fabs (* (* (floor h) (floor w)) (- (* dY.v dX.u) (* dY.u dX.v))))))
(if t_15 (/ t_10 (floor maxAniso)) (/ t_7 t_10))))
(if t_15 (floor maxAniso) t_9))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(h), 2.0f);
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dX_46_u;
float t_3 = powf(floorf(w), 2.0f);
float t_4 = dX_46_u * floorf(w);
float t_5 = floorf(h) * dX_46_v;
float t_6 = floorf(w) * dY_46_u;
float t_7 = fabsf(((t_5 * t_6) - (t_2 * t_1)));
float t_8 = fmaxf(((t_2 * t_2) + (t_5 * t_5)), ((t_6 * t_6) + (t_1 * t_1)));
float t_9 = t_8 / t_7;
float t_10 = sqrtf(t_8);
float t_11 = dY_46_u * floorf(w);
float t_12 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_4, 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_4))));
float t_14 = sqrtf(t_12);
int t_15 = t_9 > 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 = fmaxf(fmaf((t_3 * dX_46_u), dX_46_u, ((t_0 * dX_46_v) * dX_46_v)), fmaf((t_3 * dY_46_u), dY_46_u, ((t_0 * dY_46_v) * dY_46_v))) / fabsf(((floorf(h) * floorf(w)) * ((dY_46_v * dX_46_u) - (dY_46_u * dX_46_v))));
}
float tmp_5;
if (t_15) {
tmp_5 = t_10 / floorf(maxAniso);
} else {
tmp_5 = t_7 / t_10;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_15) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_9;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dX_46_u) t_3 = floor(w) ^ Float32(2.0) t_4 = Float32(dX_46_u * floor(w)) t_5 = Float32(floor(h) * dX_46_v) t_6 = Float32(floor(w) * dY_46_u) t_7 = abs(Float32(Float32(t_5 * t_6) - Float32(t_2 * t_1))) t_8 = (Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5)) != Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5))) ? Float32(Float32(t_6 * t_6) + Float32(t_1 * t_1)) : ((Float32(Float32(t_6 * t_6) + Float32(t_1 * t_1)) != Float32(Float32(t_6 * t_6) + Float32(t_1 * t_1))) ? Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5)) : max(Float32(Float32(t_2 * t_2) + Float32(t_5 * t_5)), Float32(Float32(t_6 * t_6) + Float32(t_1 * t_1)))) t_9 = Float32(t_8 / t_7) t_10 = sqrt(t_8) t_11 = Float32(dY_46_u * floor(w)) t_12 = (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_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_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_11 ^ Float32(2.0))))) t_13 = abs(Float32(floor(h) * Float32(Float32(t_11 * dX_46_v) - Float32(dY_46_v * t_4)))) t_14 = sqrt(t_12) t_15 = t_9 > 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 = Float32(((fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v)) != fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v))) ? fma(Float32(t_3 * dY_46_u), dY_46_u, Float32(Float32(t_0 * dY_46_v) * dY_46_v)) : ((fma(Float32(t_3 * dY_46_u), dY_46_u, Float32(Float32(t_0 * dY_46_v) * dY_46_v)) != fma(Float32(t_3 * dY_46_u), dY_46_u, Float32(Float32(t_0 * dY_46_v) * dY_46_v))) ? fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v)) : max(fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v)), fma(Float32(t_3 * dY_46_u), dY_46_u, Float32(Float32(t_0 * dY_46_v) * dY_46_v))))) / abs(Float32(Float32(floor(h) * floor(w)) * Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v))))); end tmp_5 = Float32(0.0) if (t_15) tmp_5 = Float32(t_10 / floor(maxAniso)); else tmp_5 = Float32(t_7 / t_10); 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 = t_9; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := {\left(\left\lfloor w\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 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_7 := \left|t\_5 \cdot t\_6 - t\_2 \cdot t\_1\right|\\
t_8 := \mathsf{max}\left(t\_2 \cdot t\_2 + t\_5 \cdot t\_5, t\_6 \cdot t\_6 + t\_1 \cdot t\_1\right)\\
t_9 := \frac{t\_8}{t\_7}\\
t_10 := \sqrt{t\_8}\\
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\_4}^{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\_4\right)\right|\\
t_14 := \sqrt{t\_12}\\
t_15 := t\_9 > \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}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_3 \cdot dX.u, dX.u, \left(t\_0 \cdot dX.v\right) \cdot dX.v\right), \mathsf{fma}\left(t\_3 \cdot dY.u, dY.u, \left(t\_0 \cdot dY.v\right) \cdot dY.v\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|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_15:\\
\;\;\;\;\frac{t\_10}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{t\_10}\\
\end{array}\right)\\
\mathbf{elif}\;t\_15:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
Initial program 98.0%
Applied rewrites98.0%
Taylor expanded in w around 0
Applied rewrites97.7%
Final simplification97.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (* (floor w) dX.u))
(t_2 (pow (floor w) 2.0))
(t_3 (fma (* t_2 dX.u) dX.u (* (* t_0 dX.v) dX.v)))
(t_4 (* dX.u (floor w)))
(t_5 (* (floor h) dX.v))
(t_6 (* (floor w) dY.u))
(t_7 (* t_2 dY.u))
(t_8 (* (floor h) dY.v))
(t_9 (fmax (+ (* t_1 t_1) (* t_5 t_5)) (+ (* t_6 t_6) (* t_8 t_8))))
(t_10 (sqrt t_9))
(t_11 (/ t_9 (fabs (- (* t_5 t_6) (* t_1 t_8)))))
(t_12 (* t_0 dY.v))
(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)))
(t_18 (- (* dY.v dX.u) (* dY.u dX.v))))
(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)
(/
(fmax t_3 (fma t_7 dY.u (* t_12 dY.v)))
(fabs (* (* (floor h) (floor w)) t_18))))
(if (>
(/
(fmax t_3 (fma t_12 dY.v (* t_7 dY.u)))
(fabs (* (* (floor w) (floor h)) t_18)))
(floor maxAniso))
(/ t_10 (floor maxAniso))
(/ (fabs (* (* (* (floor h) dX.u) dY.v) (floor w))) t_10))))
(if t_17 (floor maxAniso) t_11))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(h), 2.0f);
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf(floorf(w), 2.0f);
float t_3 = fmaf((t_2 * dX_46_u), dX_46_u, ((t_0 * dX_46_v) * dX_46_v));
float t_4 = dX_46_u * floorf(w);
float t_5 = floorf(h) * dX_46_v;
float t_6 = floorf(w) * dY_46_u;
float t_7 = t_2 * dY_46_u;
float t_8 = floorf(h) * dY_46_v;
float t_9 = fmaxf(((t_1 * t_1) + (t_5 * t_5)), ((t_6 * t_6) + (t_8 * t_8)));
float t_10 = sqrtf(t_9);
float t_11 = t_9 / fabsf(((t_5 * t_6) - (t_1 * t_8)));
float t_12 = t_0 * dY_46_v;
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 t_18 = (dY_46_v * dX_46_u) - (dY_46_u * dX_46_v);
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 = fmaxf(t_3, fmaf(t_7, dY_46_u, (t_12 * dY_46_v))) / fabsf(((floorf(h) * floorf(w)) * t_18));
}
float tmp_5;
if ((fmaxf(t_3, fmaf(t_12, dY_46_v, (t_7 * dY_46_u))) / fabsf(((floorf(w) * floorf(h)) * t_18))) > floorf(maxAniso)) {
tmp_5 = t_10 / floorf(maxAniso);
} else {
tmp_5 = fabsf((((floorf(h) * dX_46_u) * dY_46_v) * floorf(w))) / t_10;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_17) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_11;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(floor(w) * dX_46_u) t_2 = floor(w) ^ Float32(2.0) t_3 = fma(Float32(t_2 * dX_46_u), dX_46_u, Float32(Float32(t_0 * dX_46_v) * dX_46_v)) t_4 = Float32(dX_46_u * floor(w)) t_5 = Float32(floor(h) * dX_46_v) t_6 = Float32(floor(w) * dY_46_u) t_7 = Float32(t_2 * dY_46_u) t_8 = Float32(floor(h) * dY_46_v) t_9 = (Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5)) != Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5))) ? Float32(Float32(t_6 * t_6) + Float32(t_8 * t_8)) : ((Float32(Float32(t_6 * t_6) + Float32(t_8 * t_8)) != Float32(Float32(t_6 * t_6) + Float32(t_8 * t_8))) ? Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5)) : max(Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5)), Float32(Float32(t_6 * t_6) + Float32(t_8 * t_8)))) t_10 = sqrt(t_9) t_11 = Float32(t_9 / abs(Float32(Float32(t_5 * t_6) - Float32(t_1 * t_8)))) t_12 = Float32(t_0 * dY_46_v) 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) t_18 = Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)) 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 = Float32(((t_3 != t_3) ? fma(t_7, dY_46_u, Float32(t_12 * dY_46_v)) : ((fma(t_7, dY_46_u, Float32(t_12 * dY_46_v)) != fma(t_7, dY_46_u, Float32(t_12 * dY_46_v))) ? t_3 : max(t_3, fma(t_7, dY_46_u, Float32(t_12 * dY_46_v))))) / abs(Float32(Float32(floor(h) * floor(w)) * t_18))); end tmp_5 = Float32(0.0) if (Float32(((t_3 != t_3) ? fma(t_12, dY_46_v, Float32(t_7 * dY_46_u)) : ((fma(t_12, dY_46_v, Float32(t_7 * dY_46_u)) != fma(t_12, dY_46_v, Float32(t_7 * dY_46_u))) ? t_3 : max(t_3, fma(t_12, dY_46_v, Float32(t_7 * dY_46_u))))) / abs(Float32(Float32(floor(w) * floor(h)) * t_18))) > floor(maxAniso)) tmp_5 = Float32(t_10 / floor(maxAniso)); else tmp_5 = Float32(abs(Float32(Float32(Float32(floor(h) * dX_46_u) * dY_46_v) * floor(w))) / t_10); 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 = t_11; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := \mathsf{fma}\left(t\_2 \cdot dX.u, dX.u, \left(t\_0 \cdot dX.v\right) \cdot dX.v\right)\\
t_4 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_7 := t\_2 \cdot dY.u\\
t_8 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_9 := \mathsf{max}\left(t\_1 \cdot t\_1 + t\_5 \cdot t\_5, t\_6 \cdot t\_6 + t\_8 \cdot t\_8\right)\\
t_10 := \sqrt{t\_9}\\
t_11 := \frac{t\_9}{\left|t\_5 \cdot t\_6 - t\_1 \cdot t\_8\right|}\\
t_12 := t\_0 \cdot dY.v\\
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 \\
t_18 := dY.v \cdot dX.u - dY.u \cdot dX.v\\
\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}:\\
\;\;\;\;\frac{\mathsf{max}\left(t\_3, \mathsf{fma}\left(t\_7, dY.u, t\_12 \cdot dY.v\right)\right)}{\left|\left(\left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot t\_18\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_3, \mathsf{fma}\left(t\_12, dY.v, t\_7 \cdot dY.u\right)\right)}{\left|\left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot t\_18\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_10}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{\left|\left(\left(\left\lfloor h\right\rfloor \cdot dX.u\right) \cdot dY.v\right) \cdot \left\lfloor w\right\rfloor \right|}{t\_10}\\
\end{array}\right)\\
\mathbf{elif}\;t\_17:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\end{array}
\end{array}
Initial program 98.0%
Applied rewrites98.0%
Taylor expanded in w around 0
Applied rewrites97.7%
Taylor expanded in w around 0
Applied rewrites97.2%
Taylor expanded in dX.u around inf
associate-*r*N/A
*-commutativeN/A
associate-*r*N/A
associate-*r*N/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f32N/A
lower-floor.f3297.2
Applied rewrites97.2%
Final simplification97.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (- (* dY.v dX.u) (* dY.u dX.v)))
(t_2 (* (floor h) (floor w)))
(t_3 (pow (floor h) 2.0))
(t_4 (* t_3 dX.v))
(t_5 (* dX.u (floor w)))
(t_6 (* t_0 dX.u))
(t_7 (fma t_6 dX.u (* t_4 dX.v)))
(t_8 (* (floor w) dX.u))
(t_9 (* (floor h) dX.v))
(t_10 (* t_3 dY.v))
(t_11 (* t_0 dY.u))
(t_12 (fma t_10 dY.v (* t_11 dY.u)))
(t_13 (* (floor w) dY.u))
(t_14 (* (floor h) dY.v))
(t_15
(fmax (+ (* t_8 t_8) (* t_9 t_9)) (+ (* t_13 t_13) (* t_14 t_14))))
(t_16 (sqrt t_15))
(t_17 (* dY.u (floor w)))
(t_18 (fabs (* (floor h) (- (* t_17 dX.v) (* dY.v t_5)))))
(t_19
(fmax
(+ (pow (* dX.v (floor h)) 2.0) (pow t_5 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_17 2.0))))
(t_20 (sqrt t_19))
(t_21 (fabs (- (* t_9 t_13) (* t_8 t_14))))
(t_22 (/ t_15 t_21)))
(if (<
(if (> (/ t_19 t_18) (floor maxAniso))
(/ t_20 (floor maxAniso))
(/ t_18 t_20))
1.0)
(fmax
1.0
(*
(if (>
(/ (fmax (fma t_4 dX.v (* t_6 dX.u)) t_12) (fabs (* t_1 t_2)))
(floor maxAniso))
(floor maxAniso)
(/ (fmax t_7 (fma t_11 dY.u (* t_10 dY.v))) (fabs (* t_2 t_1))))
(if (>
(/ (fmax t_7 t_12) (fabs (* (* (floor w) (floor h)) t_1)))
(floor maxAniso))
(/ t_16 (floor maxAniso))
(/ t_21 t_16))))
(if (> t_22 (floor maxAniso)) (floor maxAniso) t_22))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(w), 2.0f);
float t_1 = (dY_46_v * dX_46_u) - (dY_46_u * dX_46_v);
float t_2 = floorf(h) * floorf(w);
float t_3 = powf(floorf(h), 2.0f);
float t_4 = t_3 * dX_46_v;
float t_5 = dX_46_u * floorf(w);
float t_6 = t_0 * dX_46_u;
float t_7 = fmaf(t_6, dX_46_u, (t_4 * dX_46_v));
float t_8 = floorf(w) * dX_46_u;
float t_9 = floorf(h) * dX_46_v;
float t_10 = t_3 * dY_46_v;
float t_11 = t_0 * dY_46_u;
float t_12 = fmaf(t_10, dY_46_v, (t_11 * dY_46_u));
float t_13 = floorf(w) * dY_46_u;
float t_14 = floorf(h) * dY_46_v;
float t_15 = fmaxf(((t_8 * t_8) + (t_9 * t_9)), ((t_13 * t_13) + (t_14 * t_14)));
float t_16 = sqrtf(t_15);
float t_17 = dY_46_u * floorf(w);
float t_18 = fabsf((floorf(h) * ((t_17 * dX_46_v) - (dY_46_v * t_5))));
float t_19 = fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + powf(t_5, 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_17, 2.0f)));
float t_20 = sqrtf(t_19);
float t_21 = fabsf(((t_9 * t_13) - (t_8 * t_14)));
float t_22 = t_15 / t_21;
float tmp;
if ((t_19 / t_18) > floorf(maxAniso)) {
tmp = t_20 / floorf(maxAniso);
} else {
tmp = t_18 / t_20;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf(fmaf(t_4, dX_46_v, (t_6 * dX_46_u)), t_12) / fabsf((t_1 * t_2))) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = fmaxf(t_7, fmaf(t_11, dY_46_u, (t_10 * dY_46_v))) / fabsf((t_2 * t_1));
}
float tmp_5;
if ((fmaxf(t_7, t_12) / fabsf(((floorf(w) * floorf(h)) * t_1))) > floorf(maxAniso)) {
tmp_5 = t_16 / floorf(maxAniso);
} else {
tmp_5 = t_21 / t_16;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_22 > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_22;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)) t_2 = Float32(floor(h) * floor(w)) t_3 = floor(h) ^ Float32(2.0) t_4 = Float32(t_3 * dX_46_v) t_5 = Float32(dX_46_u * floor(w)) t_6 = Float32(t_0 * dX_46_u) t_7 = fma(t_6, dX_46_u, Float32(t_4 * dX_46_v)) t_8 = Float32(floor(w) * dX_46_u) t_9 = Float32(floor(h) * dX_46_v) t_10 = Float32(t_3 * dY_46_v) t_11 = Float32(t_0 * dY_46_u) t_12 = fma(t_10, dY_46_v, Float32(t_11 * dY_46_u)) t_13 = Float32(floor(w) * dY_46_u) t_14 = Float32(floor(h) * dY_46_v) t_15 = (Float32(Float32(t_8 * t_8) + Float32(t_9 * t_9)) != Float32(Float32(t_8 * t_8) + Float32(t_9 * t_9))) ? Float32(Float32(t_13 * t_13) + Float32(t_14 * t_14)) : ((Float32(Float32(t_13 * t_13) + Float32(t_14 * t_14)) != Float32(Float32(t_13 * t_13) + Float32(t_14 * t_14))) ? Float32(Float32(t_8 * t_8) + Float32(t_9 * t_9)) : max(Float32(Float32(t_8 * t_8) + Float32(t_9 * t_9)), Float32(Float32(t_13 * t_13) + Float32(t_14 * t_14)))) t_16 = sqrt(t_15) t_17 = Float32(dY_46_u * floor(w)) t_18 = abs(Float32(floor(h) * Float32(Float32(t_17 * dX_46_v) - Float32(dY_46_v * t_5)))) t_19 = (Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_5 ^ Float32(2.0))) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_5 ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_17 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_17 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_17 ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_5 ^ Float32(2.0))) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + (t_5 ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_17 ^ Float32(2.0))))) t_20 = sqrt(t_19) t_21 = abs(Float32(Float32(t_9 * t_13) - Float32(t_8 * t_14))) t_22 = Float32(t_15 / t_21) tmp = Float32(0.0) if (Float32(t_19 / t_18) > floor(maxAniso)) tmp = Float32(t_20 / floor(maxAniso)); else tmp = Float32(t_18 / t_20); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(((fma(t_4, dX_46_v, Float32(t_6 * dX_46_u)) != fma(t_4, dX_46_v, Float32(t_6 * dX_46_u))) ? t_12 : ((t_12 != t_12) ? fma(t_4, dX_46_v, Float32(t_6 * dX_46_u)) : max(fma(t_4, dX_46_v, Float32(t_6 * dX_46_u)), t_12))) / abs(Float32(t_1 * t_2))) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = Float32(((t_7 != t_7) ? fma(t_11, dY_46_u, Float32(t_10 * dY_46_v)) : ((fma(t_11, dY_46_u, Float32(t_10 * dY_46_v)) != fma(t_11, dY_46_u, Float32(t_10 * dY_46_v))) ? t_7 : max(t_7, fma(t_11, dY_46_u, Float32(t_10 * dY_46_v))))) / abs(Float32(t_2 * t_1))); end tmp_5 = Float32(0.0) if (Float32(((t_7 != t_7) ? t_12 : ((t_12 != t_12) ? t_7 : max(t_7, t_12))) / abs(Float32(Float32(floor(w) * floor(h)) * t_1))) > floor(maxAniso)) tmp_5 = Float32(t_16 / floor(maxAniso)); else tmp_5 = Float32(t_21 / t_16); 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_22 > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_22; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := dY.v \cdot dX.u - dY.u \cdot dX.v\\
t_2 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := t\_3 \cdot dX.v\\
t_5 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_6 := t\_0 \cdot dX.u\\
t_7 := \mathsf{fma}\left(t\_6, dX.u, t\_4 \cdot dX.v\right)\\
t_8 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_9 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_10 := t\_3 \cdot dY.v\\
t_11 := t\_0 \cdot dY.u\\
t_12 := \mathsf{fma}\left(t\_10, dY.v, t\_11 \cdot dY.u\right)\\
t_13 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_14 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_15 := \mathsf{max}\left(t\_8 \cdot t\_8 + t\_9 \cdot t\_9, t\_13 \cdot t\_13 + t\_14 \cdot t\_14\right)\\
t_16 := \sqrt{t\_15}\\
t_17 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_18 := \left|\left\lfloor h\right\rfloor \cdot \left(t\_17 \cdot dX.v - dY.v \cdot t\_5\right)\right|\\
t_19 := \mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_5}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_17}^{2}\right)\\
t_20 := \sqrt{t\_19}\\
t_21 := \left|t\_9 \cdot t\_13 - t\_8 \cdot t\_14\right|\\
t_22 := \frac{t\_15}{t\_21}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_19}{t\_18} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_20}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_18}{t\_20}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_4, dX.v, t\_6 \cdot dX.u\right), t\_12\right)}{\left|t\_1 \cdot t\_2\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(t\_7, \mathsf{fma}\left(t\_11, dY.u, t\_10 \cdot dY.v\right)\right)}{\left|t\_2 \cdot t\_1\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_7, t\_12\right)}{\left|\left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot t\_1\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_16}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_21}{t\_16}\\
\end{array}\right)\\
\mathbf{elif}\;t\_22 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_22\\
\end{array}
\end{array}
Initial program 98.0%
Applied rewrites98.0%
Taylor expanded in w around 0
Applied rewrites97.7%
Taylor expanded in w around 0
Applied rewrites97.2%
Taylor expanded in w around 0
Applied rewrites96.7%
Final simplification96.7%
(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 (pow (floor w) 2.0))
(t_3 (* (floor w) dY.u))
(t_4 (* t_1 dX.v))
(t_5 (* (floor w) (floor h)))
(t_6 (fabs (* (fma (- dY.v) dX.u (* dY.u dX.v)) t_5)))
(t_7 (- (* dY.v dX.u) (* dY.u dX.v)))
(t_8 (* t_2 dY.u))
(t_9 (* (floor w) dX.u))
(t_10 (* (floor h) (floor w)))
(t_11 (* (floor h) dX.v))
(t_12 (fabs (- (* t_11 t_3) (* t_9 t_0))))
(t_13 (fmax (+ (* t_9 t_9) (* t_11 t_11)) (+ (* t_3 t_3) (* t_0 t_0))))
(t_14 (sqrt t_13))
(t_15 (/ t_13 t_12))
(t_16 (* t_2 dX.u))
(t_17 (fma t_16 dX.u (* t_4 dX.v)))
(t_18 (* t_1 dY.v))
(t_19 (fmax t_17 (fma t_8 dY.u (* t_18 dY.v))))
(t_20 (fma t_18 dY.v (* t_8 dY.u))))
(if (<
(if (> (/ t_19 t_6) (floor maxAniso))
(/ (sqrt t_19) (floor maxAniso))
(* (sqrt (/ 1.0 t_19)) t_6))
1.0)
(fmax
1.0
(*
(if (> (/ (fmax t_17 t_20) (fabs (* t_5 t_7))) (floor maxAniso))
(floor maxAniso)
(/ t_19 (fabs (* t_10 t_7))))
(if (>
(/ (fmax (fma t_4 dX.v (* t_16 dX.u)) t_20) (fabs (* t_7 t_10)))
(floor maxAniso))
(/ t_14 (floor maxAniso))
(/ t_12 t_14))))
(if (> t_15 (floor maxAniso)) (floor maxAniso) t_15))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = powf(floorf(h), 2.0f);
float t_2 = powf(floorf(w), 2.0f);
float t_3 = floorf(w) * dY_46_u;
float t_4 = t_1 * dX_46_v;
float t_5 = floorf(w) * floorf(h);
float t_6 = fabsf((fmaf(-dY_46_v, dX_46_u, (dY_46_u * dX_46_v)) * t_5));
float t_7 = (dY_46_v * dX_46_u) - (dY_46_u * dX_46_v);
float t_8 = t_2 * dY_46_u;
float t_9 = floorf(w) * dX_46_u;
float t_10 = floorf(h) * floorf(w);
float t_11 = floorf(h) * dX_46_v;
float t_12 = fabsf(((t_11 * t_3) - (t_9 * t_0)));
float t_13 = fmaxf(((t_9 * t_9) + (t_11 * t_11)), ((t_3 * t_3) + (t_0 * t_0)));
float t_14 = sqrtf(t_13);
float t_15 = t_13 / t_12;
float t_16 = t_2 * dX_46_u;
float t_17 = fmaf(t_16, dX_46_u, (t_4 * dX_46_v));
float t_18 = t_1 * dY_46_v;
float t_19 = fmaxf(t_17, fmaf(t_8, dY_46_u, (t_18 * dY_46_v)));
float t_20 = fmaf(t_18, dY_46_v, (t_8 * dY_46_u));
float tmp;
if ((t_19 / t_6) > floorf(maxAniso)) {
tmp = sqrtf(t_19) / floorf(maxAniso);
} else {
tmp = sqrtf((1.0f / t_19)) * t_6;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf(t_17, t_20) / fabsf((t_5 * t_7))) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_19 / fabsf((t_10 * t_7));
}
float tmp_5;
if ((fmaxf(fmaf(t_4, dX_46_v, (t_16 * dX_46_u)), t_20) / fabsf((t_7 * t_10))) > floorf(maxAniso)) {
tmp_5 = t_14 / floorf(maxAniso);
} else {
tmp_5 = t_12 / t_14;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_15 > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_15;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = floor(h) ^ Float32(2.0) t_2 = floor(w) ^ Float32(2.0) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(t_1 * dX_46_v) t_5 = Float32(floor(w) * floor(h)) t_6 = abs(Float32(fma(Float32(-dY_46_v), dX_46_u, Float32(dY_46_u * dX_46_v)) * t_5)) t_7 = Float32(Float32(dY_46_v * dX_46_u) - Float32(dY_46_u * dX_46_v)) t_8 = Float32(t_2 * dY_46_u) t_9 = Float32(floor(w) * dX_46_u) t_10 = Float32(floor(h) * floor(w)) t_11 = Float32(floor(h) * dX_46_v) t_12 = abs(Float32(Float32(t_11 * t_3) - Float32(t_9 * t_0))) t_13 = (Float32(Float32(t_9 * t_9) + Float32(t_11 * t_11)) != Float32(Float32(t_9 * t_9) + Float32(t_11 * t_11))) ? 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_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_9 * t_9) + Float32(t_11 * t_11)) : max(Float32(Float32(t_9 * t_9) + Float32(t_11 * t_11)), Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)))) t_14 = sqrt(t_13) t_15 = Float32(t_13 / t_12) t_16 = Float32(t_2 * dX_46_u) t_17 = fma(t_16, dX_46_u, Float32(t_4 * dX_46_v)) t_18 = Float32(t_1 * dY_46_v) t_19 = (t_17 != t_17) ? fma(t_8, dY_46_u, Float32(t_18 * dY_46_v)) : ((fma(t_8, dY_46_u, Float32(t_18 * dY_46_v)) != fma(t_8, dY_46_u, Float32(t_18 * dY_46_v))) ? t_17 : max(t_17, fma(t_8, dY_46_u, Float32(t_18 * dY_46_v)))) t_20 = fma(t_18, dY_46_v, Float32(t_8 * dY_46_u)) tmp = Float32(0.0) if (Float32(t_19 / t_6) > floor(maxAniso)) tmp = Float32(sqrt(t_19) / floor(maxAniso)); else tmp = Float32(sqrt(Float32(Float32(1.0) / t_19)) * t_6); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(((t_17 != t_17) ? t_20 : ((t_20 != t_20) ? t_17 : max(t_17, t_20))) / abs(Float32(t_5 * t_7))) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = Float32(t_19 / abs(Float32(t_10 * t_7))); end tmp_5 = Float32(0.0) if (Float32(((fma(t_4, dX_46_v, Float32(t_16 * dX_46_u)) != fma(t_4, dX_46_v, Float32(t_16 * dX_46_u))) ? t_20 : ((t_20 != t_20) ? fma(t_4, dX_46_v, Float32(t_16 * dX_46_u)) : max(fma(t_4, dX_46_v, Float32(t_16 * dX_46_u)), t_20))) / abs(Float32(t_7 * t_10))) > floor(maxAniso)) tmp_5 = Float32(t_14 / floor(maxAniso)); else tmp_5 = Float32(t_12 / 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_15 > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_15; 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(\left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := t\_1 \cdot dX.v\\
t_5 := \left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_6 := \left|\mathsf{fma}\left(-dY.v, dX.u, dY.u \cdot dX.v\right) \cdot t\_5\right|\\
t_7 := dY.v \cdot dX.u - dY.u \cdot dX.v\\
t_8 := t\_2 \cdot dY.u\\
t_9 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_10 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_11 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_12 := \left|t\_11 \cdot t\_3 - t\_9 \cdot t\_0\right|\\
t_13 := \mathsf{max}\left(t\_9 \cdot t\_9 + t\_11 \cdot t\_11, t\_3 \cdot t\_3 + t\_0 \cdot t\_0\right)\\
t_14 := \sqrt{t\_13}\\
t_15 := \frac{t\_13}{t\_12}\\
t_16 := t\_2 \cdot dX.u\\
t_17 := \mathsf{fma}\left(t\_16, dX.u, t\_4 \cdot dX.v\right)\\
t_18 := t\_1 \cdot dY.v\\
t_19 := \mathsf{max}\left(t\_17, \mathsf{fma}\left(t\_8, dY.u, t\_18 \cdot dY.v\right)\right)\\
t_20 := \mathsf{fma}\left(t\_18, dY.v, t\_8 \cdot dY.u\right)\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_19}{t\_6} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{\sqrt{t\_19}}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{t\_19}} \cdot t\_6\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_17, t\_20\right)}{\left|t\_5 \cdot t\_7\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{t\_19}{\left|t\_10 \cdot t\_7\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_4, dX.v, t\_16 \cdot dX.u\right), t\_20\right)}{\left|t\_7 \cdot t\_10\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_14}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_12}{t\_14}\\
\end{array}\right)\\
\mathbf{elif}\;t\_15 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_15\\
\end{array}
\end{array}
Initial program 98.0%
Taylor expanded in w around 0
Applied rewrites87.8%
Taylor expanded in w around 0
Applied rewrites87.1%
Taylor expanded in w around 0
Applied rewrites87.7%
Taylor expanded in w around 0
Applied rewrites88.9%
Final simplification87.2%
herbie shell --seed 2024313
(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))))))))