
(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 4 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
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_1 (* (floor w) dX.u))
(t_2 (fma dX.u (- dY.v) (* dX.v dY.u)))
(t_3 (pow (floor h) 2.0))
(t_4 (* (floor h) dX.v))
(t_5 (pow (floor w) 2.0))
(t_6 (* (floor w) dY.u))
(t_7 (* (floor w) (floor h)))
(t_8 (* (floor h) dY.v))
(t_9
(fmax
(+ (pow t_1 2.0) (pow t_4 2.0))
(+ (pow t_6 2.0) (pow t_8 2.0))))
(t_10 (sqrt t_9))
(t_11 (fmax (+ (* t_1 t_1) (* t_4 t_4)) (+ (* t_6 t_6) (* t_8 t_8))))
(t_12 (sqrt t_11))
(t_13 (fabs (- (* t_1 t_8) (* t_4 t_6))))
(t_14 (/ t_11 t_13)))
(if (<
(if (> (/ t_9 t_0) (floor maxAniso))
(/ t_10 (floor maxAniso))
(/ t_0 t_10))
1.0)
(fmax
1.0
(*
(if (> (/ t_9 (fabs (* (floor w) (* (floor h) t_2)))) (floor maxAniso))
(floor maxAniso)
t_14)
(if (> t_14 (floor maxAniso)) (/ t_12 (floor maxAniso)) (/ t_13 t_12))))
(if (>
(/ (/ t_9 t_7) (fabs (fma dX.u dY.v (* dX.v (- dY.u)))))
(floor maxAniso))
(floor maxAniso)
(/
(fmax
(fma dX.v (* dX.v t_3) (* dX.u (* dX.u t_5)))
(fma t_5 (* dY.u dY.u) (* t_3 (* dY.v dY.v))))
(fabs (* t_2 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 = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float t_1 = floorf(w) * dX_46_u;
float t_2 = fmaf(dX_46_u, -dY_46_v, (dX_46_v * dY_46_u));
float t_3 = powf(floorf(h), 2.0f);
float t_4 = floorf(h) * dX_46_v;
float t_5 = powf(floorf(w), 2.0f);
float t_6 = floorf(w) * dY_46_u;
float t_7 = floorf(w) * floorf(h);
float t_8 = floorf(h) * dY_46_v;
float t_9 = fmaxf((powf(t_1, 2.0f) + powf(t_4, 2.0f)), (powf(t_6, 2.0f) + powf(t_8, 2.0f)));
float t_10 = sqrtf(t_9);
float t_11 = fmaxf(((t_1 * t_1) + (t_4 * t_4)), ((t_6 * t_6) + (t_8 * t_8)));
float t_12 = sqrtf(t_11);
float t_13 = fabsf(((t_1 * t_8) - (t_4 * t_6)));
float t_14 = t_11 / t_13;
float tmp;
if ((t_9 / t_0) > floorf(maxAniso)) {
tmp = t_10 / floorf(maxAniso);
} else {
tmp = t_0 / t_10;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((t_9 / fabsf((floorf(w) * (floorf(h) * t_2)))) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_14;
}
float tmp_5;
if (t_14 > floorf(maxAniso)) {
tmp_5 = t_12 / floorf(maxAniso);
} else {
tmp_5 = t_13 / t_12;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (((t_9 / t_7) / fabsf(fmaf(dX_46_u, dY_46_v, (dX_46_v * -dY_46_u)))) > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = fmaxf(fmaf(dX_46_v, (dX_46_v * t_3), (dX_46_u * (dX_46_u * t_5))), fmaf(t_5, (dY_46_u * dY_46_u), (t_3 * (dY_46_v * dY_46_v)))) / fabsf((t_2 * t_7));
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_1 = Float32(floor(w) * dX_46_u) t_2 = fma(dX_46_u, Float32(-dY_46_v), Float32(dX_46_v * dY_46_u)) t_3 = floor(h) ^ Float32(2.0) t_4 = Float32(floor(h) * dX_46_v) t_5 = floor(w) ^ Float32(2.0) t_6 = Float32(floor(w) * dY_46_u) t_7 = Float32(floor(w) * floor(h)) t_8 = Float32(floor(h) * dY_46_v) t_9 = (Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((t_6 ^ Float32(2.0)) + (t_8 ^ Float32(2.0))) : ((Float32((t_6 ^ Float32(2.0)) + (t_8 ^ Float32(2.0))) != Float32((t_6 ^ Float32(2.0)) + (t_8 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) : max(Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))), Float32((t_6 ^ Float32(2.0)) + (t_8 ^ Float32(2.0))))) t_10 = sqrt(t_9) t_11 = (Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) != Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4))) ? 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_4 * t_4)) : max(Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)), Float32(Float32(t_6 * t_6) + Float32(t_8 * t_8)))) t_12 = sqrt(t_11) t_13 = abs(Float32(Float32(t_1 * t_8) - Float32(t_4 * t_6))) t_14 = Float32(t_11 / t_13) tmp = Float32(0.0) if (Float32(t_9 / t_0) > floor(maxAniso)) tmp = Float32(t_10 / floor(maxAniso)); else tmp = Float32(t_0 / t_10); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(t_9 / abs(Float32(floor(w) * Float32(floor(h) * t_2)))) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = t_14; end tmp_5 = Float32(0.0) if (t_14 > floor(maxAniso)) tmp_5 = Float32(t_12 / floor(maxAniso)); else tmp_5 = Float32(t_13 / 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 (Float32(Float32(t_9 / t_7) / abs(fma(dX_46_u, dY_46_v, Float32(dX_46_v * Float32(-dY_46_u))))) > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = Float32(((fma(dX_46_v, Float32(dX_46_v * t_3), Float32(dX_46_u * Float32(dX_46_u * t_5))) != fma(dX_46_v, Float32(dX_46_v * t_3), Float32(dX_46_u * Float32(dX_46_u * t_5)))) ? fma(t_5, Float32(dY_46_u * dY_46_u), Float32(t_3 * Float32(dY_46_v * dY_46_v))) : ((fma(t_5, Float32(dY_46_u * dY_46_u), Float32(t_3 * Float32(dY_46_v * dY_46_v))) != fma(t_5, Float32(dY_46_u * dY_46_u), Float32(t_3 * Float32(dY_46_v * dY_46_v)))) ? fma(dX_46_v, Float32(dX_46_v * t_3), Float32(dX_46_u * Float32(dX_46_u * t_5))) : max(fma(dX_46_v, Float32(dX_46_v * t_3), Float32(dX_46_u * Float32(dX_46_u * t_5))), fma(t_5, Float32(dY_46_u * dY_46_u), Float32(t_3 * Float32(dY_46_v * dY_46_v)))))) / abs(Float32(t_2 * t_7))); end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := \mathsf{fma}\left(dX.u, -dY.v, dX.v \cdot dY.u\right)\\
t_3 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_7 := \left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_8 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_9 := \mathsf{max}\left({t\_1}^{2} + {t\_4}^{2}, {t\_6}^{2} + {t\_8}^{2}\right)\\
t_10 := \sqrt{t\_9}\\
t_11 := \mathsf{max}\left(t\_1 \cdot t\_1 + t\_4 \cdot t\_4, t\_6 \cdot t\_6 + t\_8 \cdot t\_8\right)\\
t_12 := \sqrt{t\_11}\\
t_13 := \left|t\_1 \cdot t\_8 - t\_4 \cdot t\_6\right|\\
t_14 := \frac{t\_11}{t\_13}\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_9}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_10}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_10}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{t\_9}{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot t\_2\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_14\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_14 > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_12}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_13}{t\_12}\\
\end{array}\right)\\
\mathbf{elif}\;\frac{\frac{t\_9}{t\_7}}{\left|\mathsf{fma}\left(dX.u, dY.v, dX.v \cdot \left(-dY.u\right)\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(dX.v, dX.v \cdot t\_3, dX.u \cdot \left(dX.u \cdot t\_5\right)\right), \mathsf{fma}\left(t\_5, dY.u \cdot dY.u, t\_3 \cdot \left(dY.v \cdot dY.v\right)\right)\right)}{\left|t\_2 \cdot t\_7\right|}\\
\end{array}
\end{array}
Initial program 97.2%
Taylor expanded in w around 0
Simplified97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Applied egg-rr99.4%
Final simplification99.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_1 (pow (floor h) 2.0))
(t_2 (pow (floor w) 2.0))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dY.v))
(t_5 (* (floor h) dX.v))
(t_6 (fma dX.u (- dY.v) (* dX.v dY.u)))
(t_7 (* (floor w) dX.u))
(t_8 (fmax (+ (* t_7 t_7) (* t_5 t_5)) (+ (* t_3 t_3) (* t_4 t_4))))
(t_9 (fabs (- (* t_7 t_4) (* t_5 t_3))))
(t_10
(fmax
(+ (pow t_7 2.0) (pow t_5 2.0))
(+ (pow t_3 2.0) (pow t_4 2.0))))
(t_11 (sqrt t_10))
(t_12 (sqrt t_8))
(t_13 (> (/ t_8 t_9) (floor maxAniso))))
(if (<
(if (> (/ t_10 t_0) (floor maxAniso))
(/ t_11 (floor maxAniso))
(/ t_0 t_11))
1.0)
(fmax
1.0
(*
(if t_13 (/ t_12 (floor maxAniso)) (/ t_9 t_12))
(if (> (/ t_10 (fabs (* (floor w) (* (floor h) t_6)))) (floor maxAniso))
(floor maxAniso)
(/
t_10
(fabs
(* (floor w) (* (floor h) (fma dX.u dY.v (* dX.v (- dY.u))))))))))
(if t_13
(floor maxAniso)
(/
(fmax
(fma dX.v (* dX.v t_1) (* dX.u (* dX.u t_2)))
(fma t_2 (* dY.u dY.u) (* t_1 (* dY.v dY.v))))
(fabs (* t_6 (* (floor w) (floor h)))))))))
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((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
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 = floorf(h) * dY_46_v;
float t_5 = floorf(h) * dX_46_v;
float t_6 = fmaf(dX_46_u, -dY_46_v, (dX_46_v * dY_46_u));
float t_7 = floorf(w) * dX_46_u;
float t_8 = fmaxf(((t_7 * t_7) + (t_5 * t_5)), ((t_3 * t_3) + (t_4 * t_4)));
float t_9 = fabsf(((t_7 * t_4) - (t_5 * t_3)));
float t_10 = fmaxf((powf(t_7, 2.0f) + powf(t_5, 2.0f)), (powf(t_3, 2.0f) + powf(t_4, 2.0f)));
float t_11 = sqrtf(t_10);
float t_12 = sqrtf(t_8);
int t_13 = (t_8 / t_9) > floorf(maxAniso);
float tmp;
if ((t_10 / t_0) > floorf(maxAniso)) {
tmp = t_11 / floorf(maxAniso);
} else {
tmp = t_0 / t_11;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_13) {
tmp_4 = t_12 / floorf(maxAniso);
} else {
tmp_4 = t_9 / t_12;
}
float tmp_5;
if ((t_10 / fabsf((floorf(w) * (floorf(h) * t_6)))) > floorf(maxAniso)) {
tmp_5 = floorf(maxAniso);
} else {
tmp_5 = t_10 / fabsf((floorf(w) * (floorf(h) * fmaf(dX_46_u, dY_46_v, (dX_46_v * -dY_46_u)))));
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_13) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = fmaxf(fmaf(dX_46_v, (dX_46_v * t_1), (dX_46_u * (dX_46_u * t_2))), fmaf(t_2, (dY_46_u * dY_46_u), (t_1 * (dY_46_v * dY_46_v)))) / fabsf((t_6 * (floorf(w) * floorf(h))));
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) 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(floor(h) * dY_46_v) t_5 = Float32(floor(h) * dX_46_v) t_6 = fma(dX_46_u, Float32(-dY_46_v), Float32(dX_46_v * dY_46_u)) t_7 = Float32(floor(w) * dX_46_u) t_8 = (Float32(Float32(t_7 * t_7) + Float32(t_5 * t_5)) != Float32(Float32(t_7 * t_7) + Float32(t_5 * t_5))) ? 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))) ? Float32(Float32(t_7 * t_7) + Float32(t_5 * t_5)) : max(Float32(Float32(t_7 * t_7) + Float32(t_5 * t_5)), Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)))) t_9 = abs(Float32(Float32(t_7 * t_4) - Float32(t_5 * t_3))) t_10 = (Float32((t_7 ^ Float32(2.0)) + (t_5 ^ Float32(2.0))) != Float32((t_7 ^ Float32(2.0)) + (t_5 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) : ((Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((t_7 ^ Float32(2.0)) + (t_5 ^ Float32(2.0))) : max(Float32((t_7 ^ Float32(2.0)) + (t_5 ^ Float32(2.0))), Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))))) t_11 = sqrt(t_10) t_12 = sqrt(t_8) t_13 = Float32(t_8 / t_9) > floor(maxAniso) tmp = Float32(0.0) if (Float32(t_10 / t_0) > floor(maxAniso)) tmp = Float32(t_11 / floor(maxAniso)); else tmp = Float32(t_0 / t_11); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_13) tmp_4 = Float32(t_12 / floor(maxAniso)); else tmp_4 = Float32(t_9 / t_12); end tmp_5 = Float32(0.0) if (Float32(t_10 / abs(Float32(floor(w) * Float32(floor(h) * t_6)))) > floor(maxAniso)) tmp_5 = floor(maxAniso); else tmp_5 = Float32(t_10 / abs(Float32(floor(w) * Float32(floor(h) * fma(dX_46_u, dY_46_v, Float32(dX_46_v * Float32(-dY_46_u))))))); end tmp_3 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_4 * tmp_5) : ((Float32(tmp_4 * tmp_5) != Float32(tmp_4 * tmp_5)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_4 * tmp_5))); elseif (t_13) tmp_3 = floor(maxAniso); else tmp_3 = Float32(((fma(dX_46_v, Float32(dX_46_v * t_1), Float32(dX_46_u * Float32(dX_46_u * t_2))) != fma(dX_46_v, Float32(dX_46_v * t_1), Float32(dX_46_u * Float32(dX_46_u * t_2)))) ? fma(t_2, Float32(dY_46_u * dY_46_u), Float32(t_1 * Float32(dY_46_v * dY_46_v))) : ((fma(t_2, Float32(dY_46_u * dY_46_u), Float32(t_1 * Float32(dY_46_v * dY_46_v))) != fma(t_2, Float32(dY_46_u * dY_46_u), Float32(t_1 * Float32(dY_46_v * dY_46_v)))) ? fma(dX_46_v, Float32(dX_46_v * t_1), Float32(dX_46_u * Float32(dX_46_u * t_2))) : max(fma(dX_46_v, Float32(dX_46_v * t_1), Float32(dX_46_u * Float32(dX_46_u * t_2))), fma(t_2, Float32(dY_46_u * dY_46_u), Float32(t_1 * Float32(dY_46_v * dY_46_v)))))) / abs(Float32(t_6 * Float32(floor(w) * floor(h))))); end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
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 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := \mathsf{fma}\left(dX.u, -dY.v, dX.v \cdot dY.u\right)\\
t_7 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_8 := \mathsf{max}\left(t\_7 \cdot t\_7 + t\_5 \cdot t\_5, t\_3 \cdot t\_3 + t\_4 \cdot t\_4\right)\\
t_9 := \left|t\_7 \cdot t\_4 - t\_5 \cdot t\_3\right|\\
t_10 := \mathsf{max}\left({t\_7}^{2} + {t\_5}^{2}, {t\_3}^{2} + {t\_4}^{2}\right)\\
t_11 := \sqrt{t\_10}\\
t_12 := \sqrt{t\_8}\\
t_13 := \frac{t\_8}{t\_9} > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_10}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_11}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_11}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_13:\\
\;\;\;\;\frac{t\_12}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_9}{t\_12}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{t\_10}{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot t\_6\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{t\_10}{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \mathsf{fma}\left(dX.u, dY.v, dX.v \cdot \left(-dY.u\right)\right)\right)\right|}\\
\end{array}\right)\\
\mathbf{elif}\;t\_13:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(dX.v, dX.v \cdot t\_1, dX.u \cdot \left(dX.u \cdot t\_2\right)\right), \mathsf{fma}\left(t\_2, dY.u \cdot dY.u, t\_1 \cdot \left(dY.v \cdot dY.v\right)\right)\right)}{\left|t\_6 \cdot \left(\left\lfloor w\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right|}\\
\end{array}
\end{array}
Initial program 97.2%
Taylor expanded in w around 0
Simplified97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Final simplification97.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_4 (* (floor w) dX.u))
(t_5 (fmax (+ (* t_4 t_4) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2))))
(t_6 (fabs (- (* t_4 t_2) (* t_0 t_1))))
(t_7
(fmax
(+ (pow t_4 2.0) (pow t_0 2.0))
(+ (pow t_1 2.0) (pow t_2 2.0))))
(t_8 (sqrt t_7))
(t_9 (sqrt t_5))
(t_10
(pow
(/
(fabs (* (floor w) (- (* (floor h) (* dX.u dY.v)) (* t_0 dY.u))))
t_7)
-0.5))
(t_11 (> (/ t_5 t_6) (floor maxAniso))))
(if (<
(if (> (/ t_7 t_3) (floor maxAniso))
(/ t_8 (floor maxAniso))
(/ t_3 t_8))
1.0)
(fmax
1.0
(*
(if t_11 (/ t_9 (floor maxAniso)) (/ t_6 t_9))
(if (>
(/
t_7
(fabs
(* (floor w) (* (floor h) (fma dX.u (- dY.v) (* dX.v dY.u))))))
(floor maxAniso))
(floor maxAniso)
(/
t_7
(fabs
(* (floor w) (* (floor h) (fma dX.u dY.v (* dX.v (- dY.u))))))))))
(if t_11 (floor maxAniso) (* t_10 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(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float t_4 = floorf(w) * dX_46_u;
float t_5 = fmaxf(((t_4 * t_4) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)));
float t_6 = fabsf(((t_4 * t_2) - (t_0 * t_1)));
float t_7 = fmaxf((powf(t_4, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_2, 2.0f)));
float t_8 = sqrtf(t_7);
float t_9 = sqrtf(t_5);
float t_10 = powf((fabsf((floorf(w) * ((floorf(h) * (dX_46_u * dY_46_v)) - (t_0 * dY_46_u)))) / t_7), -0.5f);
int t_11 = (t_5 / t_6) > floorf(maxAniso);
float tmp;
if ((t_7 / t_3) > floorf(maxAniso)) {
tmp = t_8 / floorf(maxAniso);
} else {
tmp = t_3 / t_8;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_11) {
tmp_4 = t_9 / floorf(maxAniso);
} else {
tmp_4 = t_6 / t_9;
}
float tmp_5;
if ((t_7 / fabsf((floorf(w) * (floorf(h) * fmaf(dX_46_u, -dY_46_v, (dX_46_v * dY_46_u)))))) > floorf(maxAniso)) {
tmp_5 = floorf(maxAniso);
} else {
tmp_5 = t_7 / fabsf((floorf(w) * (floorf(h) * fmaf(dX_46_u, dY_46_v, (dX_46_v * -dY_46_u)))));
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_11) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_10 * t_10;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_4 = Float32(floor(w) * dX_46_u) t_5 = (Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) != Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) : max(Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)))) t_6 = abs(Float32(Float32(t_4 * t_2) - Float32(t_0 * t_1))) t_7 = (Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) ? Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_4 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))) t_8 = sqrt(t_7) t_9 = sqrt(t_5) t_10 = Float32(abs(Float32(floor(w) * Float32(Float32(floor(h) * Float32(dX_46_u * dY_46_v)) - Float32(t_0 * dY_46_u)))) / t_7) ^ Float32(-0.5) t_11 = Float32(t_5 / t_6) > floor(maxAniso) tmp = Float32(0.0) if (Float32(t_7 / t_3) > floor(maxAniso)) tmp = Float32(t_8 / floor(maxAniso)); else tmp = Float32(t_3 / t_8); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_11) tmp_4 = Float32(t_9 / floor(maxAniso)); else tmp_4 = Float32(t_6 / t_9); end tmp_5 = Float32(0.0) if (Float32(t_7 / abs(Float32(floor(w) * Float32(floor(h) * fma(dX_46_u, Float32(-dY_46_v), Float32(dX_46_v * dY_46_u)))))) > floor(maxAniso)) tmp_5 = floor(maxAniso); else tmp_5 = Float32(t_7 / abs(Float32(floor(w) * Float32(floor(h) * fma(dX_46_u, dY_46_v, Float32(dX_46_v * Float32(-dY_46_u))))))); 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_11) tmp_3 = floor(maxAniso); else tmp_3 = Float32(t_10 * t_10); end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := \mathsf{max}\left(t\_4 \cdot t\_4 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)\\
t_6 := \left|t\_4 \cdot t\_2 - t\_0 \cdot t\_1\right|\\
t_7 := \mathsf{max}\left({t\_4}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_2}^{2}\right)\\
t_8 := \sqrt{t\_7}\\
t_9 := \sqrt{t\_5}\\
t_10 := {\left(\frac{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v\right) - t\_0 \cdot dY.u\right)\right|}{t\_7}\right)}^{-0.5}\\
t_11 := \frac{t\_5}{t\_6} > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_7}{t\_3} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{t\_8}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_11:\\
\;\;\;\;\frac{t\_9}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_9}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{t\_7}{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \mathsf{fma}\left(dX.u, -dY.v, dX.v \cdot dY.u\right)\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \mathsf{fma}\left(dX.u, dY.v, dX.v \cdot \left(-dY.u\right)\right)\right)\right|}\\
\end{array}\right)\\
\mathbf{elif}\;t\_11:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_10 \cdot t\_10\\
\end{array}
\end{array}
Initial program 97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Final simplification97.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fabs (* (floor w) (* (floor h) (- (* dX.u dY.v) (* dX.v dY.u))))))
(t_1 (* (floor h) dX.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dY.v))
(t_4 (* (floor w) dX.u))
(t_5 (fmax (+ (* t_4 t_4) (* t_1 t_1)) (+ (* t_2 t_2) (* t_3 t_3))))
(t_6 (fabs (- (* t_4 t_3) (* t_1 t_2))))
(t_7
(fmax
(+ (pow t_4 2.0) (pow t_1 2.0))
(+ (pow t_2 2.0) (pow t_3 2.0))))
(t_8 (sqrt t_7))
(t_9 (sqrt t_5))
(t_10 (> (/ t_5 t_6) (floor maxAniso))))
(if (<
(if (> (/ t_7 t_0) (floor maxAniso))
(/ t_8 (floor maxAniso))
(/ t_0 t_8))
1.0)
(fmax
1.0
(*
(if t_10 (/ t_9 (floor maxAniso)) (/ t_6 t_9))
(if (>
(/
t_7
(fabs
(* (floor w) (* (floor h) (fma dX.u (- dY.v) (* dX.v dY.u))))))
(floor maxAniso))
(floor maxAniso)
(/
t_7
(fabs
(* (floor w) (* (floor h) (fma dX.u dY.v (* dX.v (- dY.u))))))))))
(if t_10
(floor maxAniso)
(exp
(-
(log
(/
(fabs (* (floor w) (- (* (floor h) (* dX.u dY.v)) (* t_1 dY.u))))
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 = fabsf((floorf(w) * (floorf(h) * ((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)))));
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dY_46_v;
float t_4 = floorf(w) * dX_46_u;
float t_5 = fmaxf(((t_4 * t_4) + (t_1 * t_1)), ((t_2 * t_2) + (t_3 * t_3)));
float t_6 = fabsf(((t_4 * t_3) - (t_1 * t_2)));
float t_7 = fmaxf((powf(t_4, 2.0f) + powf(t_1, 2.0f)), (powf(t_2, 2.0f) + powf(t_3, 2.0f)));
float t_8 = sqrtf(t_7);
float t_9 = sqrtf(t_5);
int t_10 = (t_5 / t_6) > floorf(maxAniso);
float tmp;
if ((t_7 / t_0) > floorf(maxAniso)) {
tmp = t_8 / floorf(maxAniso);
} else {
tmp = t_0 / t_8;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_10) {
tmp_4 = t_9 / floorf(maxAniso);
} else {
tmp_4 = t_6 / t_9;
}
float tmp_5;
if ((t_7 / fabsf((floorf(w) * (floorf(h) * fmaf(dX_46_u, -dY_46_v, (dX_46_v * dY_46_u)))))) > floorf(maxAniso)) {
tmp_5 = floorf(maxAniso);
} else {
tmp_5 = t_7 / fabsf((floorf(w) * (floorf(h) * fmaf(dX_46_u, dY_46_v, (dX_46_v * -dY_46_u)))));
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_10) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = expf(-logf((fabsf((floorf(w) * ((floorf(h) * (dX_46_u * dY_46_v)) - (t_1 * dY_46_u)))) / t_7)));
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = abs(Float32(floor(w) * Float32(floor(h) * Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u))))) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(floor(w) * dX_46_u) t_5 = (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_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_4 * t_4) + Float32(t_1 * t_1)) : max(Float32(Float32(t_4 * t_4) + Float32(t_1 * t_1)), Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)))) t_6 = abs(Float32(Float32(t_4 * t_3) - Float32(t_1 * t_2))) t_7 = (Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) != Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) ? Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) : ((Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))) ? Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) : max(Float32((t_4 ^ Float32(2.0)) + (t_1 ^ Float32(2.0))), Float32((t_2 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))))) t_8 = sqrt(t_7) t_9 = sqrt(t_5) t_10 = Float32(t_5 / t_6) > floor(maxAniso) tmp = Float32(0.0) if (Float32(t_7 / t_0) > floor(maxAniso)) tmp = Float32(t_8 / floor(maxAniso)); else tmp = Float32(t_0 / t_8); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_10) tmp_4 = Float32(t_9 / floor(maxAniso)); else tmp_4 = Float32(t_6 / t_9); end tmp_5 = Float32(0.0) if (Float32(t_7 / abs(Float32(floor(w) * Float32(floor(h) * fma(dX_46_u, Float32(-dY_46_v), Float32(dX_46_v * dY_46_u)))))) > floor(maxAniso)) tmp_5 = floor(maxAniso); else tmp_5 = Float32(t_7 / abs(Float32(floor(w) * Float32(floor(h) * fma(dX_46_u, dY_46_v, Float32(dX_46_v * Float32(-dY_46_u))))))); 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_10) tmp_3 = floor(maxAniso); else tmp_3 = exp(Float32(-log(Float32(abs(Float32(floor(w) * Float32(Float32(floor(h) * Float32(dX_46_u * dY_46_v)) - Float32(t_1 * dY_46_u)))) / t_7)))); end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v - dX.v \cdot dY.u\right)\right)\right|\\
t_1 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := \mathsf{max}\left(t\_4 \cdot t\_4 + t\_1 \cdot t\_1, t\_2 \cdot t\_2 + t\_3 \cdot t\_3\right)\\
t_6 := \left|t\_4 \cdot t\_3 - t\_1 \cdot t\_2\right|\\
t_7 := \mathsf{max}\left({t\_4}^{2} + {t\_1}^{2}, {t\_2}^{2} + {t\_3}^{2}\right)\\
t_8 := \sqrt{t\_7}\\
t_9 := \sqrt{t\_5}\\
t_10 := \frac{t\_5}{t\_6} > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{t\_7}{t\_0} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\frac{t\_8}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_8}\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_10:\\
\;\;\;\;\frac{t\_9}{\left\lfloor maxAniso\right\rfloor }\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_6}{t\_9}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{t\_7}{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \mathsf{fma}\left(dX.u, -dY.v, dX.v \cdot dY.u\right)\right)\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \mathsf{fma}\left(dX.u, dY.v, dX.v \cdot \left(-dY.u\right)\right)\right)\right|}\\
\end{array}\right)\\
\mathbf{elif}\;t\_10:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;e^{-\log \left(\frac{\left|\left\lfloor w\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.u \cdot dY.v\right) - t\_1 \cdot dY.u\right)\right|}{t\_7}\right)}\\
\end{array}
\end{array}
Initial program 97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Applied egg-rr97.2%
Final simplification97.2%
herbie shell --seed 2024219
(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))))))))