
(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 5 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_2 t_2) (* t_1 t_1))))
(t_5 (sqrt t_4))
(t_6 (fabs (- (* t_3 t_1) (* t_0 t_2))))
(t_7 (/ t_4 t_6))
(t_8 (> t_7 (floor maxAniso)))
(t_9 (if t_8 (/ t_5 (floor maxAniso)) (/ t_6 t_5)))
(t_10 (if t_8 (floor maxAniso) t_7)))
(if (< t_9 1.0) (fmax 1.0 (* t_10 t_9)) t_10)))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_2 * t_2) + (t_1 * t_1)));
float t_5 = sqrtf(t_4);
float t_6 = fabsf(((t_3 * t_1) - (t_0 * t_2)));
float t_7 = t_4 / t_6;
int t_8 = t_7 > floorf(maxAniso);
float tmp;
if (t_8) {
tmp = t_5 / floorf(maxAniso);
} else {
tmp = t_6 / t_5;
}
float t_9 = tmp;
float tmp_1;
if (t_8) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = t_7;
}
float t_10 = tmp_1;
float tmp_2;
if (t_9 < 1.0f) {
tmp_2 = fmaxf(1.0f, (t_10 * t_9));
} else {
tmp_2 = t_10;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = (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 (pow (floor h) 2.0))
(t_1 (* t_0 dY.v))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor h) (floor w)))
(t_4 (* (floor h) dX.v))
(t_5 (pow (floor w) 2.0))
(t_6 (* t_5 dX.u))
(t_7 (* dY.u (floor w)))
(t_8 (* t_5 dY.u))
(t_9 (* dX.u (floor w)))
(t_10 (* (floor w) dY.u))
(t_11 (* (floor w) dX.u))
(t_12
(fmax (+ (* t_11 t_11) (* t_4 t_4)) (+ (* t_10 t_10) (* t_2 t_2))))
(t_13 (sqrt t_12))
(t_14 (/ t_13 (floor maxAniso)))
(t_15 (fabs (- (* t_4 t_10) (* t_11 t_2))))
(t_16 (/ t_15 t_13))
(t_17 (/ t_12 t_15))
(t_18 (> t_17 (floor maxAniso)))
(t_19 (* t_0 dX.v)))
(if (< (if t_18 t_14 t_16) 1.0)
(fmax
1.0
(*
(if t_18
(floor maxAniso)
(/
(fmax (fma t_19 dX.v (* t_6 dX.u)) (fma t_8 dY.u (* t_1 dY.v)))
(fabs (* (fma (- dX.v) dY.u (* dY.v dX.u)) t_3))))
(if (>
(/
(fmax (fma t_6 dX.u (* t_19 dX.v)) (fma t_1 dY.v (* t_8 dY.u)))
(fabs (* (- (* dX.u dY.v) (* dX.v dY.u)) t_3)))
(floor maxAniso))
t_14
t_16)))
(if (>
(pow
(*
(floor h)
(/
(fabs (- (* t_7 dX.v) (* dY.v t_9)))
(fmax
(+ (pow t_9 2.0) (pow (* dX.v (floor h)) 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_7 2.0)))))
-1.0)
(floor maxAniso))
(floor maxAniso)
t_17))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(h), 2.0f);
float t_1 = t_0 * dY_46_v;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(h) * floorf(w);
float t_4 = floorf(h) * dX_46_v;
float t_5 = powf(floorf(w), 2.0f);
float t_6 = t_5 * dX_46_u;
float t_7 = dY_46_u * floorf(w);
float t_8 = t_5 * dY_46_u;
float t_9 = dX_46_u * floorf(w);
float t_10 = floorf(w) * dY_46_u;
float t_11 = floorf(w) * dX_46_u;
float t_12 = fmaxf(((t_11 * t_11) + (t_4 * t_4)), ((t_10 * t_10) + (t_2 * t_2)));
float t_13 = sqrtf(t_12);
float t_14 = t_13 / floorf(maxAniso);
float t_15 = fabsf(((t_4 * t_10) - (t_11 * t_2)));
float t_16 = t_15 / t_13;
float t_17 = t_12 / t_15;
int t_18 = t_17 > floorf(maxAniso);
float t_19 = t_0 * dX_46_v;
float tmp;
if (t_18) {
tmp = t_14;
} else {
tmp = t_16;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_18) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = fmaxf(fmaf(t_19, dX_46_v, (t_6 * dX_46_u)), fmaf(t_8, dY_46_u, (t_1 * dY_46_v))) / fabsf((fmaf(-dX_46_v, dY_46_u, (dY_46_v * dX_46_u)) * t_3));
}
float tmp_5;
if ((fmaxf(fmaf(t_6, dX_46_u, (t_19 * dX_46_v)), fmaf(t_1, dY_46_v, (t_8 * dY_46_u))) / fabsf((((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)) * t_3))) > floorf(maxAniso)) {
tmp_5 = t_14;
} else {
tmp_5 = t_16;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (powf((floorf(h) * (fabsf(((t_7 * dX_46_v) - (dY_46_v * t_9))) / fmaxf((powf(t_9, 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_7, 2.0f))))), -1.0f) > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_17;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(t_0 * dY_46_v) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(h) * floor(w)) t_4 = Float32(floor(h) * dX_46_v) t_5 = floor(w) ^ Float32(2.0) t_6 = Float32(t_5 * dX_46_u) t_7 = Float32(dY_46_u * floor(w)) t_8 = Float32(t_5 * dY_46_u) t_9 = Float32(dX_46_u * floor(w)) t_10 = Float32(floor(w) * dY_46_u) t_11 = Float32(floor(w) * dX_46_u) t_12 = (Float32(Float32(t_11 * t_11) + Float32(t_4 * t_4)) != Float32(Float32(t_11 * t_11) + Float32(t_4 * t_4))) ? Float32(Float32(t_10 * t_10) + Float32(t_2 * t_2)) : ((Float32(Float32(t_10 * t_10) + Float32(t_2 * t_2)) != Float32(Float32(t_10 * t_10) + Float32(t_2 * t_2))) ? Float32(Float32(t_11 * t_11) + Float32(t_4 * t_4)) : max(Float32(Float32(t_11 * t_11) + Float32(t_4 * t_4)), Float32(Float32(t_10 * t_10) + Float32(t_2 * t_2)))) t_13 = sqrt(t_12) t_14 = Float32(t_13 / floor(maxAniso)) t_15 = abs(Float32(Float32(t_4 * t_10) - Float32(t_11 * t_2))) t_16 = Float32(t_15 / t_13) t_17 = Float32(t_12 / t_15) t_18 = t_17 > floor(maxAniso) t_19 = Float32(t_0 * dX_46_v) tmp = Float32(0.0) if (t_18) tmp = t_14; else tmp = t_16; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_18) tmp_4 = floor(maxAniso); else tmp_4 = Float32(((fma(t_19, dX_46_v, Float32(t_6 * dX_46_u)) != fma(t_19, dX_46_v, Float32(t_6 * dX_46_u))) ? fma(t_8, dY_46_u, Float32(t_1 * dY_46_v)) : ((fma(t_8, dY_46_u, Float32(t_1 * dY_46_v)) != fma(t_8, dY_46_u, Float32(t_1 * dY_46_v))) ? fma(t_19, dX_46_v, Float32(t_6 * dX_46_u)) : max(fma(t_19, dX_46_v, Float32(t_6 * dX_46_u)), fma(t_8, dY_46_u, Float32(t_1 * dY_46_v))))) / abs(Float32(fma(Float32(-dX_46_v), dY_46_u, Float32(dY_46_v * dX_46_u)) * t_3))); end tmp_5 = Float32(0.0) if (Float32(((fma(t_6, dX_46_u, Float32(t_19 * dX_46_v)) != fma(t_6, dX_46_u, Float32(t_19 * dX_46_v))) ? fma(t_1, dY_46_v, Float32(t_8 * dY_46_u)) : ((fma(t_1, dY_46_v, Float32(t_8 * dY_46_u)) != fma(t_1, dY_46_v, Float32(t_8 * dY_46_u))) ? fma(t_6, dX_46_u, Float32(t_19 * dX_46_v)) : max(fma(t_6, dX_46_u, Float32(t_19 * dX_46_v)), fma(t_1, dY_46_v, Float32(t_8 * dY_46_u))))) / abs(Float32(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) * t_3))) > floor(maxAniso)) tmp_5 = t_14; else tmp_5 = 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 ((Float32(floor(h) * Float32(abs(Float32(Float32(t_7 * dX_46_v) - Float32(dY_46_v * t_9))) / ((Float32((t_9 ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) != Float32((t_9 ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_7 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_7 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_7 ^ Float32(2.0)))) ? Float32((t_9 ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) : max(Float32((t_9 ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_7 ^ Float32(2.0)))))))) ^ Float32(-1.0)) > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_17; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := t\_5 \cdot dX.u\\
t_7 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_8 := t\_5 \cdot dY.u\\
t_9 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_10 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_11 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_12 := \mathsf{max}\left(t\_11 \cdot t\_11 + t\_4 \cdot t\_4, t\_10 \cdot t\_10 + t\_2 \cdot t\_2\right)\\
t_13 := \sqrt{t\_12}\\
t_14 := \frac{t\_13}{\left\lfloor maxAniso\right\rfloor }\\
t_15 := \left|t\_4 \cdot t\_10 - t\_11 \cdot t\_2\right|\\
t_16 := \frac{t\_15}{t\_13}\\
t_17 := \frac{t\_12}{t\_15}\\
t_18 := t\_17 > \left\lfloor maxAniso\right\rfloor \\
t_19 := t\_0 \cdot dX.v\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_18:\\
\;\;\;\;t\_14\\
\mathbf{else}:\\
\;\;\;\;t\_16\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_18:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_19, dX.v, t\_6 \cdot dX.u\right), \mathsf{fma}\left(t\_8, dY.u, t\_1 \cdot dY.v\right)\right)}{\left|\mathsf{fma}\left(-dX.v, dY.u, dY.v \cdot dX.u\right) \cdot t\_3\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_6, dX.u, t\_19 \cdot dX.v\right), \mathsf{fma}\left(t\_1, dY.v, t\_8 \cdot dY.u\right)\right)}{\left|\left(dX.u \cdot dY.v - dX.v \cdot dY.u\right) \cdot t\_3\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_14\\
\mathbf{else}:\\
\;\;\;\;t\_16\\
\end{array}\right)\\
\mathbf{elif}\;{\left(\left\lfloor h\right\rfloor \cdot \frac{\left|t\_7 \cdot dX.v - dY.v \cdot t\_9\right|}{\mathsf{max}\left({t\_9}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_7}^{2}\right)}\right)}^{-1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_17\\
\end{array}
\end{array}
Initial program 98.1%
Taylor expanded in w around 0
Applied rewrites98.1%
Applied rewrites98.6%
Taylor expanded in w around 0
Applied rewrites98.6%
Final simplification98.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor h) 2.0))
(t_1 (* t_0 dY.v))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor h) (floor w)))
(t_4 (* dY.u (floor w)))
(t_5 (* (floor h) dX.v))
(t_6 (pow (floor w) 2.0))
(t_7 (* (* t_6 dX.u) dX.u))
(t_8 (* dX.u (floor w)))
(t_9 (* t_6 dY.u))
(t_10 (* (floor w) dY.u))
(t_11 (* (floor w) dX.u))
(t_12
(fmax (+ (* t_11 t_11) (* t_5 t_5)) (+ (* t_10 t_10) (* t_2 t_2))))
(t_13 (sqrt t_12))
(t_14 (/ t_13 (floor maxAniso)))
(t_15 (fabs (- (* t_5 t_10) (* t_11 t_2))))
(t_16 (/ t_15 t_13))
(t_17 (/ t_12 t_15))
(t_18 (> t_17 (floor maxAniso))))
(if (< (if t_18 t_14 t_16) 1.0)
(fmax
1.0
(*
(if t_18
(floor maxAniso)
(/
(fmax (fma (* t_0 dX.v) dX.v t_7) (fma t_9 dY.u (* t_1 dY.v)))
(fabs (* (fma (- dX.v) dY.u (* dY.v dX.u)) t_3))))
(if (>
(/
(fmax t_7 (fma t_1 dY.v (* t_9 dY.u)))
(fabs (* (- (* dX.u dY.v) (* dX.v dY.u)) t_3)))
(floor maxAniso))
t_14
t_16)))
(if (>
(pow
(*
(floor h)
(/
(fabs (- (* t_4 dX.v) (* dY.v t_8)))
(fmax
(+ (pow t_8 2.0) (pow (* dX.v (floor h)) 2.0))
(+ (pow (* dY.v (floor h)) 2.0) (pow t_4 2.0)))))
-1.0)
(floor maxAniso))
(floor maxAniso)
t_17))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(h), 2.0f);
float t_1 = t_0 * dY_46_v;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(h) * floorf(w);
float t_4 = dY_46_u * floorf(w);
float t_5 = floorf(h) * dX_46_v;
float t_6 = powf(floorf(w), 2.0f);
float t_7 = (t_6 * dX_46_u) * dX_46_u;
float t_8 = dX_46_u * floorf(w);
float t_9 = t_6 * dY_46_u;
float t_10 = floorf(w) * dY_46_u;
float t_11 = floorf(w) * dX_46_u;
float t_12 = fmaxf(((t_11 * t_11) + (t_5 * t_5)), ((t_10 * t_10) + (t_2 * t_2)));
float t_13 = sqrtf(t_12);
float t_14 = t_13 / floorf(maxAniso);
float t_15 = fabsf(((t_5 * t_10) - (t_11 * t_2)));
float t_16 = t_15 / t_13;
float t_17 = t_12 / t_15;
int t_18 = t_17 > floorf(maxAniso);
float tmp;
if (t_18) {
tmp = t_14;
} else {
tmp = t_16;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if (t_18) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = fmaxf(fmaf((t_0 * dX_46_v), dX_46_v, t_7), fmaf(t_9, dY_46_u, (t_1 * dY_46_v))) / fabsf((fmaf(-dX_46_v, dY_46_u, (dY_46_v * dX_46_u)) * t_3));
}
float tmp_5;
if ((fmaxf(t_7, fmaf(t_1, dY_46_v, (t_9 * dY_46_u))) / fabsf((((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)) * t_3))) > floorf(maxAniso)) {
tmp_5 = t_14;
} else {
tmp_5 = t_16;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (powf((floorf(h) * (fabsf(((t_4 * dX_46_v) - (dY_46_v * t_8))) / fmaxf((powf(t_8, 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)), (powf((dY_46_v * floorf(h)), 2.0f) + powf(t_4, 2.0f))))), -1.0f) > floorf(maxAniso)) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_17;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) ^ Float32(2.0) t_1 = Float32(t_0 * dY_46_v) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(h) * floor(w)) t_4 = Float32(dY_46_u * floor(w)) t_5 = Float32(floor(h) * dX_46_v) t_6 = floor(w) ^ Float32(2.0) t_7 = Float32(Float32(t_6 * dX_46_u) * dX_46_u) t_8 = Float32(dX_46_u * floor(w)) t_9 = Float32(t_6 * dY_46_u) t_10 = Float32(floor(w) * dY_46_u) t_11 = Float32(floor(w) * dX_46_u) t_12 = (Float32(Float32(t_11 * t_11) + Float32(t_5 * t_5)) != Float32(Float32(t_11 * t_11) + Float32(t_5 * t_5))) ? Float32(Float32(t_10 * t_10) + Float32(t_2 * t_2)) : ((Float32(Float32(t_10 * t_10) + Float32(t_2 * t_2)) != Float32(Float32(t_10 * t_10) + Float32(t_2 * t_2))) ? Float32(Float32(t_11 * t_11) + Float32(t_5 * t_5)) : max(Float32(Float32(t_11 * t_11) + Float32(t_5 * t_5)), Float32(Float32(t_10 * t_10) + Float32(t_2 * t_2)))) t_13 = sqrt(t_12) t_14 = Float32(t_13 / floor(maxAniso)) t_15 = abs(Float32(Float32(t_5 * t_10) - Float32(t_11 * t_2))) t_16 = Float32(t_15 / t_13) t_17 = Float32(t_12 / t_15) t_18 = t_17 > floor(maxAniso) tmp = Float32(0.0) if (t_18) tmp = t_14; else tmp = t_16; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (t_18) tmp_4 = floor(maxAniso); else tmp_4 = Float32(((fma(Float32(t_0 * dX_46_v), dX_46_v, t_7) != fma(Float32(t_0 * dX_46_v), dX_46_v, t_7)) ? fma(t_9, dY_46_u, Float32(t_1 * dY_46_v)) : ((fma(t_9, dY_46_u, Float32(t_1 * dY_46_v)) != fma(t_9, dY_46_u, Float32(t_1 * dY_46_v))) ? fma(Float32(t_0 * dX_46_v), dX_46_v, t_7) : max(fma(Float32(t_0 * dX_46_v), dX_46_v, t_7), fma(t_9, dY_46_u, Float32(t_1 * dY_46_v))))) / abs(Float32(fma(Float32(-dX_46_v), dY_46_u, Float32(dY_46_v * dX_46_u)) * t_3))); end tmp_5 = Float32(0.0) if (Float32(((t_7 != t_7) ? fma(t_1, dY_46_v, Float32(t_9 * dY_46_u)) : ((fma(t_1, dY_46_v, Float32(t_9 * dY_46_u)) != fma(t_1, dY_46_v, Float32(t_9 * dY_46_u))) ? t_7 : max(t_7, fma(t_1, dY_46_v, Float32(t_9 * dY_46_u))))) / abs(Float32(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) * t_3))) > floor(maxAniso)) tmp_5 = t_14; else tmp_5 = 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 ((Float32(floor(h) * Float32(abs(Float32(Float32(t_4 * dX_46_v) - Float32(dY_46_v * t_8))) / ((Float32((t_8 ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) != Float32((t_8 ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0)))) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((t_8 ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) : max(Float32((t_8 ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))))))) ^ Float32(-1.0)) > floor(maxAniso)) tmp_3 = floor(maxAniso); else tmp_3 = t_17; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_4 := dY.u \cdot \left\lfloor w\right\rfloor \\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_7 := \left(t\_6 \cdot dX.u\right) \cdot dX.u\\
t_8 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_9 := t\_6 \cdot dY.u\\
t_10 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_11 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_12 := \mathsf{max}\left(t\_11 \cdot t\_11 + t\_5 \cdot t\_5, t\_10 \cdot t\_10 + t\_2 \cdot t\_2\right)\\
t_13 := \sqrt{t\_12}\\
t_14 := \frac{t\_13}{\left\lfloor maxAniso\right\rfloor }\\
t_15 := \left|t\_5 \cdot t\_10 - t\_11 \cdot t\_2\right|\\
t_16 := \frac{t\_15}{t\_13}\\
t_17 := \frac{t\_12}{t\_15}\\
t_18 := t\_17 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_18:\\
\;\;\;\;t\_14\\
\mathbf{else}:\\
\;\;\;\;t\_16\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;t\_18:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_0 \cdot dX.v, dX.v, t\_7\right), \mathsf{fma}\left(t\_9, dY.u, t\_1 \cdot dY.v\right)\right)}{\left|\mathsf{fma}\left(-dX.v, dY.u, dY.v \cdot dX.u\right) \cdot t\_3\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_7, \mathsf{fma}\left(t\_1, dY.v, t\_9 \cdot dY.u\right)\right)}{\left|\left(dX.u \cdot dY.v - dX.v \cdot dY.u\right) \cdot t\_3\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_14\\
\mathbf{else}:\\
\;\;\;\;t\_16\\
\end{array}\right)\\
\mathbf{elif}\;{\left(\left\lfloor h\right\rfloor \cdot \frac{\left|t\_4 \cdot dX.v - dY.v \cdot t\_8\right|}{\mathsf{max}\left({t\_8}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {t\_4}^{2}\right)}\right)}^{-1} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_17\\
\end{array}
\end{array}
Initial program 98.1%
Taylor expanded in w around 0
Applied rewrites98.1%
Applied rewrites98.6%
Taylor expanded in w around 0
Applied rewrites98.6%
Taylor expanded in dX.u around inf
Applied rewrites98.3%
Final simplification98.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (pow (floor h) 2.0))
(t_2 (* t_1 dX.v))
(t_3 (* (floor h) dX.v))
(t_4 (pow (floor w) 2.0))
(t_5 (* t_4 dY.u))
(t_6 (* t_4 dX.u))
(t_7 (* t_6 dX.u))
(t_8 (fma t_6 dX.u (* t_2 dX.v)))
(t_9 (* (floor w) dY.u))
(t_10 (* (floor h) dY.v))
(t_11 (* (floor h) (floor w)))
(t_12 (fabs (* (fma (- dX.u) dY.v (* dY.u dX.v)) t_11)))
(t_13 (fabs (- (* t_3 t_9) (* t_0 t_10))))
(t_14 (* t_1 dY.v))
(t_15 (* t_14 dY.v))
(t_16 (fma t_5 dY.u t_15))
(t_17 (fmax (+ (* t_0 t_0) (* t_3 t_3)) (+ (* t_9 t_9) (* t_10 t_10))))
(t_18 (/ t_17 t_13))
(t_19 (> t_18 (floor maxAniso)))
(t_20 (if t_19 (floor maxAniso) t_18))
(t_21 (sqrt t_17))
(t_22 (/ t_21 (floor maxAniso)))
(t_23 (/ t_13 t_21))
(t_24
(fmax
1.0
(*
(if (>
(/
(fmax t_8 (fma t_14 dY.v (* t_5 dY.u)))
(fabs (* (- (* dX.u dY.v) (* dX.v dY.u)) t_11)))
(floor maxAniso))
(floor maxAniso)
(/
(fmax (fma t_2 dX.v t_7) t_16)
(fabs (* (fma (- dX.v) dY.u (* dY.v dX.u)) t_11))))
(if t_19 t_22 t_23)))))
(if (or (<= dX.u -1000.0) (not (<= dX.u 0.014999999664723873)))
(if (< (if (> (/ (fmax t_7 t_16) t_12) (floor maxAniso)) t_22 t_23) 1.0)
t_24
t_20)
(if (< (if (> (/ (fmax t_8 t_15) t_12) (floor maxAniso)) t_22 t_23) 1.0)
t_24
t_20))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = powf(floorf(h), 2.0f);
float t_2 = t_1 * dX_46_v;
float t_3 = floorf(h) * dX_46_v;
float t_4 = powf(floorf(w), 2.0f);
float t_5 = t_4 * dY_46_u;
float t_6 = t_4 * dX_46_u;
float t_7 = t_6 * dX_46_u;
float t_8 = fmaf(t_6, dX_46_u, (t_2 * dX_46_v));
float t_9 = floorf(w) * dY_46_u;
float t_10 = floorf(h) * dY_46_v;
float t_11 = floorf(h) * floorf(w);
float t_12 = fabsf((fmaf(-dX_46_u, dY_46_v, (dY_46_u * dX_46_v)) * t_11));
float t_13 = fabsf(((t_3 * t_9) - (t_0 * t_10)));
float t_14 = t_1 * dY_46_v;
float t_15 = t_14 * dY_46_v;
float t_16 = fmaf(t_5, dY_46_u, t_15);
float t_17 = fmaxf(((t_0 * t_0) + (t_3 * t_3)), ((t_9 * t_9) + (t_10 * t_10)));
float t_18 = t_17 / t_13;
int t_19 = t_18 > floorf(maxAniso);
float tmp;
if (t_19) {
tmp = floorf(maxAniso);
} else {
tmp = t_18;
}
float t_20 = tmp;
float t_21 = sqrtf(t_17);
float t_22 = t_21 / floorf(maxAniso);
float t_23 = t_13 / t_21;
float tmp_1;
if ((fmaxf(t_8, fmaf(t_14, dY_46_v, (t_5 * dY_46_u))) / fabsf((((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)) * t_11))) > floorf(maxAniso)) {
tmp_1 = floorf(maxAniso);
} else {
tmp_1 = fmaxf(fmaf(t_2, dX_46_v, t_7), t_16) / fabsf((fmaf(-dX_46_v, dY_46_u, (dY_46_v * dX_46_u)) * t_11));
}
float tmp_2;
if (t_19) {
tmp_2 = t_22;
} else {
tmp_2 = t_23;
}
float t_24 = fmaxf(1.0f, (tmp_1 * tmp_2));
float tmp_3;
if ((fmaxf(t_8, t_15) / t_12) > floorf(maxAniso)) {
tmp_3 = t_22;
} else {
tmp_3 = t_23;
}
float tmp_6;
if ((dX_46_u <= -1000.0f) || !(dX_46_u <= 0.014999999664723873f)) {
float tmp_7;
if ((fmaxf(t_7, t_16) / t_12) > floorf(maxAniso)) {
tmp_7 = t_22;
} else {
tmp_7 = t_23;
}
float tmp_8;
if (tmp_7 < 1.0f) {
tmp_8 = t_24;
} else {
tmp_8 = t_20;
}
tmp_6 = tmp_8;
} else if (tmp_3 < 1.0f) {
tmp_6 = t_24;
} else {
tmp_6 = t_20;
}
return tmp_6;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = floor(h) ^ Float32(2.0) t_2 = Float32(t_1 * dX_46_v) t_3 = Float32(floor(h) * dX_46_v) t_4 = floor(w) ^ Float32(2.0) t_5 = Float32(t_4 * dY_46_u) t_6 = Float32(t_4 * dX_46_u) t_7 = Float32(t_6 * dX_46_u) t_8 = fma(t_6, dX_46_u, Float32(t_2 * dX_46_v)) t_9 = Float32(floor(w) * dY_46_u) t_10 = Float32(floor(h) * dY_46_v) t_11 = Float32(floor(h) * floor(w)) t_12 = abs(Float32(fma(Float32(-dX_46_u), dY_46_v, Float32(dY_46_u * dX_46_v)) * t_11)) t_13 = abs(Float32(Float32(t_3 * t_9) - Float32(t_0 * t_10))) t_14 = Float32(t_1 * dY_46_v) t_15 = Float32(t_14 * dY_46_v) t_16 = fma(t_5, dY_46_u, t_15) t_17 = (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_9 * t_9) + Float32(t_10 * t_10)) : ((Float32(Float32(t_9 * t_9) + Float32(t_10 * t_10)) != Float32(Float32(t_9 * t_9) + Float32(t_10 * t_10))) ? 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_9 * t_9) + Float32(t_10 * t_10)))) t_18 = Float32(t_17 / t_13) t_19 = t_18 > floor(maxAniso) tmp = Float32(0.0) if (t_19) tmp = floor(maxAniso); else tmp = t_18; end t_20 = tmp t_21 = sqrt(t_17) t_22 = Float32(t_21 / floor(maxAniso)) t_23 = Float32(t_13 / t_21) tmp_1 = Float32(0.0) if (Float32(((t_8 != t_8) ? fma(t_14, dY_46_v, Float32(t_5 * dY_46_u)) : ((fma(t_14, dY_46_v, Float32(t_5 * dY_46_u)) != fma(t_14, dY_46_v, Float32(t_5 * dY_46_u))) ? t_8 : max(t_8, fma(t_14, dY_46_v, Float32(t_5 * dY_46_u))))) / abs(Float32(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) * t_11))) > floor(maxAniso)) tmp_1 = floor(maxAniso); else tmp_1 = Float32(((fma(t_2, dX_46_v, t_7) != fma(t_2, dX_46_v, t_7)) ? t_16 : ((t_16 != t_16) ? fma(t_2, dX_46_v, t_7) : max(fma(t_2, dX_46_v, t_7), t_16))) / abs(Float32(fma(Float32(-dX_46_v), dY_46_u, Float32(dY_46_v * dX_46_u)) * t_11))); end tmp_2 = Float32(0.0) if (t_19) tmp_2 = t_22; else tmp_2 = t_23; end t_24 = (Float32(1.0) != Float32(1.0)) ? Float32(tmp_1 * tmp_2) : ((Float32(tmp_1 * tmp_2) != Float32(tmp_1 * tmp_2)) ? Float32(1.0) : max(Float32(1.0), Float32(tmp_1 * tmp_2))) tmp_3 = Float32(0.0) if (Float32(((t_8 != t_8) ? t_15 : ((t_15 != t_15) ? t_8 : max(t_8, t_15))) / t_12) > floor(maxAniso)) tmp_3 = t_22; else tmp_3 = t_23; end tmp_6 = Float32(0.0) if ((dX_46_u <= Float32(-1000.0)) || !(dX_46_u <= Float32(0.014999999664723873))) tmp_7 = Float32(0.0) if (Float32(((t_7 != t_7) ? t_16 : ((t_16 != t_16) ? t_7 : max(t_7, t_16))) / t_12) > floor(maxAniso)) tmp_7 = t_22; else tmp_7 = t_23; end tmp_8 = Float32(0.0) if (tmp_7 < Float32(1.0)) tmp_8 = t_24; else tmp_8 = t_20; end tmp_6 = tmp_8; elseif (tmp_3 < Float32(1.0)) tmp_6 = t_24; else tmp_6 = t_20; end return tmp_6 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := t\_1 \cdot dX.v\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := t\_4 \cdot dY.u\\
t_6 := t\_4 \cdot dX.u\\
t_7 := t\_6 \cdot dX.u\\
t_8 := \mathsf{fma}\left(t\_6, dX.u, t\_2 \cdot dX.v\right)\\
t_9 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_10 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_11 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_12 := \left|\mathsf{fma}\left(-dX.u, dY.v, dY.u \cdot dX.v\right) \cdot t\_11\right|\\
t_13 := \left|t\_3 \cdot t\_9 - t\_0 \cdot t\_10\right|\\
t_14 := t\_1 \cdot dY.v\\
t_15 := t\_14 \cdot dY.v\\
t_16 := \mathsf{fma}\left(t\_5, dY.u, t\_15\right)\\
t_17 := \mathsf{max}\left(t\_0 \cdot t\_0 + t\_3 \cdot t\_3, t\_9 \cdot t\_9 + t\_10 \cdot t\_10\right)\\
t_18 := \frac{t\_17}{t\_13}\\
t_19 := t\_18 > \left\lfloor maxAniso\right\rfloor \\
t_20 := \begin{array}{l}
\mathbf{if}\;t\_19:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_18\\
\end{array}\\
t_21 := \sqrt{t\_17}\\
t_22 := \frac{t\_21}{\left\lfloor maxAniso\right\rfloor }\\
t_23 := \frac{t\_13}{t\_21}\\
t_24 := \mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_8, \mathsf{fma}\left(t\_14, dY.v, t\_5 \cdot dY.u\right)\right)}{\left|\left(dX.u \cdot dY.v - dX.v \cdot dY.u\right) \cdot t\_11\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_2, dX.v, t\_7\right), t\_16\right)}{\left|\mathsf{fma}\left(-dX.v, dY.u, dY.v \cdot dX.u\right) \cdot t\_11\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_19:\\
\;\;\;\;t\_22\\
\mathbf{else}:\\
\;\;\;\;t\_23\\
\end{array}\right)\\
\mathbf{if}\;dX.u \leq -1000 \lor \neg \left(dX.u \leq 0.014999999664723873\right):\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_7, t\_16\right)}{t\_12} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_22\\
\mathbf{else}:\\
\;\;\;\;t\_23\\
\end{array} < 1:\\
\;\;\;\;t\_24\\
\mathbf{else}:\\
\;\;\;\;t\_20\\
\end{array}\\
\mathbf{elif}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_8, t\_15\right)}{t\_12} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_22\\
\mathbf{else}:\\
\;\;\;\;t\_23\\
\end{array} < 1:\\
\;\;\;\;t\_24\\
\mathbf{else}:\\
\;\;\;\;t\_20\\
\end{array}
\end{array}
if dX.u < -1e3 or 0.0149999997 < dX.u Initial program 96.7%
Taylor expanded in w around 0
Applied rewrites96.7%
Taylor expanded in w around 0
Applied rewrites57.1%
Taylor expanded in w around 0
Applied rewrites57.1%
Taylor expanded in dX.u around inf
Applied rewrites89.8%
if -1e3 < dX.u < 0.0149999997Initial program 99.2%
Taylor expanded in w around 0
Applied rewrites99.2%
Taylor expanded in w around 0
Applied rewrites60.9%
Taylor expanded in w around 0
Applied rewrites59.3%
Taylor expanded in dY.u around 0
Applied rewrites72.8%
Final simplification85.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* t_0 dX.u))
(t_2 (pow (floor h) 2.0))
(t_3 (* (floor h) dX.v))
(t_4 (* t_0 dY.u))
(t_5 (* t_2 dY.v))
(t_6 (* t_4 dY.u))
(t_7 (* (floor w) dY.u))
(t_8 (* (floor h) (floor w)))
(t_9 (* (floor h) dY.v))
(t_10 (* t_2 dX.v))
(t_11 (fma t_1 dX.u (* t_10 dX.v)))
(t_12 (* (floor w) dX.u))
(t_13 (fmax (+ (* t_12 t_12) (* t_3 t_3)) (+ (* t_7 t_7) (* t_9 t_9))))
(t_14 (sqrt t_13))
(t_15 (/ t_14 (floor maxAniso)))
(t_16 (fabs (- (* t_3 t_7) (* t_12 t_9))))
(t_17 (/ t_13 t_16))
(t_18 (> t_17 (floor maxAniso))))
(if (<
(if t_18
t_15
(*
(sqrt
(/
1.0
(fmax (fma t_10 dX.v (* t_1 dX.u)) (fma t_4 dY.u (* t_5 dY.v)))))
(fabs (* (fma (- dX.v) dY.u (* dY.v dX.u)) t_8))))
1.0)
(fmax
1.0
(*
(if (>
(/
(fmax t_11 (fma t_5 dY.v t_6))
(fabs (* (- (* dX.u dY.v) (* dX.v dY.u)) t_8)))
(floor maxAniso))
(floor maxAniso)
t_17)
(if (>
(/
(fmax t_11 t_6)
(fabs (* (fma (- dX.u) dY.v (* dY.u dX.v)) t_8)))
(floor maxAniso))
t_15
(/ t_16 t_14))))
(if t_18 (floor maxAniso) t_17))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf(floorf(w), 2.0f);
float t_1 = t_0 * dX_46_u;
float t_2 = powf(floorf(h), 2.0f);
float t_3 = floorf(h) * dX_46_v;
float t_4 = t_0 * dY_46_u;
float t_5 = t_2 * dY_46_v;
float t_6 = t_4 * dY_46_u;
float t_7 = floorf(w) * dY_46_u;
float t_8 = floorf(h) * floorf(w);
float t_9 = floorf(h) * dY_46_v;
float t_10 = t_2 * dX_46_v;
float t_11 = fmaf(t_1, dX_46_u, (t_10 * dX_46_v));
float t_12 = floorf(w) * dX_46_u;
float t_13 = fmaxf(((t_12 * t_12) + (t_3 * t_3)), ((t_7 * t_7) + (t_9 * t_9)));
float t_14 = sqrtf(t_13);
float t_15 = t_14 / floorf(maxAniso);
float t_16 = fabsf(((t_3 * t_7) - (t_12 * t_9)));
float t_17 = t_13 / t_16;
int t_18 = t_17 > floorf(maxAniso);
float tmp;
if (t_18) {
tmp = t_15;
} else {
tmp = sqrtf((1.0f / fmaxf(fmaf(t_10, dX_46_v, (t_1 * dX_46_u)), fmaf(t_4, dY_46_u, (t_5 * dY_46_v))))) * fabsf((fmaf(-dX_46_v, dY_46_u, (dY_46_v * dX_46_u)) * t_8));
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf(t_11, fmaf(t_5, dY_46_v, t_6)) / fabsf((((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)) * t_8))) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = t_17;
}
float tmp_5;
if ((fmaxf(t_11, t_6) / fabsf((fmaf(-dX_46_u, dY_46_v, (dY_46_u * dX_46_v)) * t_8))) > floorf(maxAniso)) {
tmp_5 = t_15;
} else {
tmp_5 = t_16 / t_14;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_18) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_17;
}
return tmp_3;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(t_0 * dX_46_u) t_2 = floor(h) ^ Float32(2.0) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(t_0 * dY_46_u) t_5 = Float32(t_2 * dY_46_v) t_6 = Float32(t_4 * dY_46_u) t_7 = Float32(floor(w) * dY_46_u) t_8 = Float32(floor(h) * floor(w)) t_9 = Float32(floor(h) * dY_46_v) t_10 = Float32(t_2 * dX_46_v) t_11 = fma(t_1, dX_46_u, Float32(t_10 * dX_46_v)) t_12 = Float32(floor(w) * dX_46_u) t_13 = (Float32(Float32(t_12 * t_12) + Float32(t_3 * t_3)) != Float32(Float32(t_12 * t_12) + Float32(t_3 * t_3))) ? Float32(Float32(t_7 * t_7) + Float32(t_9 * t_9)) : ((Float32(Float32(t_7 * t_7) + Float32(t_9 * t_9)) != Float32(Float32(t_7 * t_7) + Float32(t_9 * t_9))) ? Float32(Float32(t_12 * t_12) + Float32(t_3 * t_3)) : max(Float32(Float32(t_12 * t_12) + Float32(t_3 * t_3)), Float32(Float32(t_7 * t_7) + Float32(t_9 * t_9)))) t_14 = sqrt(t_13) t_15 = Float32(t_14 / floor(maxAniso)) t_16 = abs(Float32(Float32(t_3 * t_7) - Float32(t_12 * t_9))) t_17 = Float32(t_13 / t_16) t_18 = t_17 > floor(maxAniso) tmp = Float32(0.0) if (t_18) tmp = t_15; else tmp = Float32(sqrt(Float32(Float32(1.0) / ((fma(t_10, dX_46_v, Float32(t_1 * dX_46_u)) != fma(t_10, dX_46_v, Float32(t_1 * dX_46_u))) ? fma(t_4, dY_46_u, Float32(t_5 * dY_46_v)) : ((fma(t_4, dY_46_u, Float32(t_5 * dY_46_v)) != fma(t_4, dY_46_u, Float32(t_5 * dY_46_v))) ? fma(t_10, dX_46_v, Float32(t_1 * dX_46_u)) : max(fma(t_10, dX_46_v, Float32(t_1 * dX_46_u)), fma(t_4, dY_46_u, Float32(t_5 * dY_46_v))))))) * abs(Float32(fma(Float32(-dX_46_v), dY_46_u, Float32(dY_46_v * dX_46_u)) * t_8))); end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(((t_11 != t_11) ? fma(t_5, dY_46_v, t_6) : ((fma(t_5, dY_46_v, t_6) != fma(t_5, dY_46_v, t_6)) ? t_11 : max(t_11, fma(t_5, dY_46_v, t_6)))) / abs(Float32(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) * t_8))) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = t_17; end tmp_5 = Float32(0.0) if (Float32(((t_11 != t_11) ? t_6 : ((t_6 != t_6) ? t_11 : max(t_11, t_6))) / abs(Float32(fma(Float32(-dX_46_u), dY_46_v, Float32(dY_46_u * dX_46_v)) * t_8))) > floor(maxAniso)) tmp_5 = t_15; else tmp_5 = Float32(t_16 / 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_18) tmp_3 = floor(maxAniso); else tmp_3 = t_17; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := t\_0 \cdot dX.u\\
t_2 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := t\_0 \cdot dY.u\\
t_5 := t\_2 \cdot dY.v\\
t_6 := t\_4 \cdot dY.u\\
t_7 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_8 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_9 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_10 := t\_2 \cdot dX.v\\
t_11 := \mathsf{fma}\left(t\_1, dX.u, t\_10 \cdot dX.v\right)\\
t_12 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_13 := \mathsf{max}\left(t\_12 \cdot t\_12 + t\_3 \cdot t\_3, t\_7 \cdot t\_7 + t\_9 \cdot t\_9\right)\\
t_14 := \sqrt{t\_13}\\
t_15 := \frac{t\_14}{\left\lfloor maxAniso\right\rfloor }\\
t_16 := \left|t\_3 \cdot t\_7 - t\_12 \cdot t\_9\right|\\
t_17 := \frac{t\_13}{t\_16}\\
t_18 := t\_17 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_18:\\
\;\;\;\;t\_15\\
\mathbf{else}:\\
\;\;\;\;\sqrt{\frac{1}{\mathsf{max}\left(\mathsf{fma}\left(t\_10, dX.v, t\_1 \cdot dX.u\right), \mathsf{fma}\left(t\_4, dY.u, t\_5 \cdot dY.v\right)\right)}} \cdot \left|\mathsf{fma}\left(-dX.v, dY.u, dY.v \cdot dX.u\right) \cdot t\_8\right|\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_11, \mathsf{fma}\left(t\_5, dY.v, t\_6\right)\right)}{\left|\left(dX.u \cdot dY.v - dX.v \cdot dY.u\right) \cdot t\_8\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_17\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_11, t\_6\right)}{\left|\mathsf{fma}\left(-dX.u, dY.v, dY.u \cdot dX.v\right) \cdot t\_8\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_15\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_16}{t\_14}\\
\end{array}\right)\\
\mathbf{elif}\;t\_18:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_17\\
\end{array}
\end{array}
Initial program 98.1%
Taylor expanded in w around 0
Applied rewrites98.1%
Taylor expanded in w around 0
Applied rewrites98.1%
Taylor expanded in w around 0
Applied rewrites97.1%
Taylor expanded in dY.u around inf
Applied rewrites97.1%
Final simplification97.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (pow (floor h) 2.0))
(t_2 (* t_1 dX.v))
(t_3 (* (floor w) dX.u))
(t_4 (pow (floor w) 2.0))
(t_5 (* t_4 dY.u))
(t_6 (* t_4 dX.u))
(t_7 (* (floor h) dY.v))
(t_8 (* (floor h) (floor w)))
(t_9 (* t_1 dY.v))
(t_10 (fma t_5 dY.u (* t_9 dY.v)))
(t_11 (* t_6 dX.u))
(t_12 (* (floor h) dX.v))
(t_13 (fabs (- (* t_12 t_0) (* t_3 t_7))))
(t_14 (fmax (+ (* t_3 t_3) (* t_12 t_12)) (+ (* t_0 t_0) (* t_7 t_7))))
(t_15 (sqrt t_14))
(t_16 (/ t_15 (floor maxAniso)))
(t_17 (/ t_13 t_15))
(t_18 (/ t_14 t_13))
(t_19 (> t_18 (floor maxAniso))))
(if (<
(if (>
(/
(fmax t_11 t_10)
(fabs (* (fma (- dX.u) dY.v (* dY.u dX.v)) t_8)))
(floor maxAniso))
t_16
t_17)
1.0)
(fmax
1.0
(*
(if (>
(/
(fmax (fma t_6 dX.u (* t_2 dX.v)) (fma t_9 dY.v (* t_5 dY.u)))
(fabs (* (- (* dX.u dY.v) (* dX.v dY.u)) t_8)))
(floor maxAniso))
(floor maxAniso)
(/
(fmax (fma t_2 dX.v t_11) t_10)
(fabs (* (fma (- dX.v) dY.u (* dY.v dX.u)) t_8))))
(if t_19 t_16 t_17)))
(if t_19 (floor maxAniso) t_18))))
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) * dY_46_u;
float t_1 = powf(floorf(h), 2.0f);
float t_2 = t_1 * dX_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(floorf(w), 2.0f);
float t_5 = t_4 * dY_46_u;
float t_6 = t_4 * dX_46_u;
float t_7 = floorf(h) * dY_46_v;
float t_8 = floorf(h) * floorf(w);
float t_9 = t_1 * dY_46_v;
float t_10 = fmaf(t_5, dY_46_u, (t_9 * dY_46_v));
float t_11 = t_6 * dX_46_u;
float t_12 = floorf(h) * dX_46_v;
float t_13 = fabsf(((t_12 * t_0) - (t_3 * t_7)));
float t_14 = fmaxf(((t_3 * t_3) + (t_12 * t_12)), ((t_0 * t_0) + (t_7 * t_7)));
float t_15 = sqrtf(t_14);
float t_16 = t_15 / floorf(maxAniso);
float t_17 = t_13 / t_15;
float t_18 = t_14 / t_13;
int t_19 = t_18 > floorf(maxAniso);
float tmp;
if ((fmaxf(t_11, t_10) / fabsf((fmaf(-dX_46_u, dY_46_v, (dY_46_u * dX_46_v)) * t_8))) > floorf(maxAniso)) {
tmp = t_16;
} else {
tmp = t_17;
}
float tmp_3;
if (tmp < 1.0f) {
float tmp_4;
if ((fmaxf(fmaf(t_6, dX_46_u, (t_2 * dX_46_v)), fmaf(t_9, dY_46_v, (t_5 * dY_46_u))) / fabsf((((dX_46_u * dY_46_v) - (dX_46_v * dY_46_u)) * t_8))) > floorf(maxAniso)) {
tmp_4 = floorf(maxAniso);
} else {
tmp_4 = fmaxf(fmaf(t_2, dX_46_v, t_11), t_10) / fabsf((fmaf(-dX_46_v, dY_46_u, (dY_46_v * dX_46_u)) * t_8));
}
float tmp_5;
if (t_19) {
tmp_5 = t_16;
} else {
tmp_5 = t_17;
}
tmp_3 = fmaxf(1.0f, (tmp_4 * tmp_5));
} else if (t_19) {
tmp_3 = floorf(maxAniso);
} else {
tmp_3 = t_18;
}
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) * dY_46_u) t_1 = floor(h) ^ Float32(2.0) t_2 = Float32(t_1 * dX_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = floor(w) ^ Float32(2.0) t_5 = Float32(t_4 * dY_46_u) t_6 = Float32(t_4 * dX_46_u) t_7 = Float32(floor(h) * dY_46_v) t_8 = Float32(floor(h) * floor(w)) t_9 = Float32(t_1 * dY_46_v) t_10 = fma(t_5, dY_46_u, Float32(t_9 * dY_46_v)) t_11 = Float32(t_6 * dX_46_u) t_12 = Float32(floor(h) * dX_46_v) t_13 = abs(Float32(Float32(t_12 * t_0) - Float32(t_3 * t_7))) t_14 = (Float32(Float32(t_3 * t_3) + Float32(t_12 * t_12)) != Float32(Float32(t_3 * t_3) + Float32(t_12 * t_12))) ? Float32(Float32(t_0 * t_0) + Float32(t_7 * t_7)) : ((Float32(Float32(t_0 * t_0) + Float32(t_7 * t_7)) != Float32(Float32(t_0 * t_0) + Float32(t_7 * t_7))) ? Float32(Float32(t_3 * t_3) + Float32(t_12 * t_12)) : max(Float32(Float32(t_3 * t_3) + Float32(t_12 * t_12)), Float32(Float32(t_0 * t_0) + Float32(t_7 * t_7)))) t_15 = sqrt(t_14) t_16 = Float32(t_15 / floor(maxAniso)) t_17 = Float32(t_13 / t_15) t_18 = Float32(t_14 / t_13) t_19 = t_18 > floor(maxAniso) tmp = Float32(0.0) if (Float32(((t_11 != t_11) ? t_10 : ((t_10 != t_10) ? t_11 : max(t_11, t_10))) / abs(Float32(fma(Float32(-dX_46_u), dY_46_v, Float32(dY_46_u * dX_46_v)) * t_8))) > floor(maxAniso)) tmp = t_16; else tmp = t_17; end tmp_3 = Float32(0.0) if (tmp < Float32(1.0)) tmp_4 = Float32(0.0) if (Float32(((fma(t_6, dX_46_u, Float32(t_2 * dX_46_v)) != fma(t_6, dX_46_u, Float32(t_2 * dX_46_v))) ? fma(t_9, dY_46_v, Float32(t_5 * dY_46_u)) : ((fma(t_9, dY_46_v, Float32(t_5 * dY_46_u)) != fma(t_9, dY_46_v, Float32(t_5 * dY_46_u))) ? fma(t_6, dX_46_u, Float32(t_2 * dX_46_v)) : max(fma(t_6, dX_46_u, Float32(t_2 * dX_46_v)), fma(t_9, dY_46_v, Float32(t_5 * dY_46_u))))) / abs(Float32(Float32(Float32(dX_46_u * dY_46_v) - Float32(dX_46_v * dY_46_u)) * t_8))) > floor(maxAniso)) tmp_4 = floor(maxAniso); else tmp_4 = Float32(((fma(t_2, dX_46_v, t_11) != fma(t_2, dX_46_v, t_11)) ? t_10 : ((t_10 != t_10) ? fma(t_2, dX_46_v, t_11) : max(fma(t_2, dX_46_v, t_11), t_10))) / abs(Float32(fma(Float32(-dX_46_v), dY_46_u, Float32(dY_46_v * dX_46_u)) * t_8))); end tmp_5 = Float32(0.0) if (t_19) tmp_5 = t_16; else tmp_5 = t_17; 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_19) tmp_3 = floor(maxAniso); else tmp_3 = t_18; end return tmp_3 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := t\_1 \cdot dX.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := t\_4 \cdot dY.u\\
t_6 := t\_4 \cdot dX.u\\
t_7 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_8 := \left\lfloor h\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_9 := t\_1 \cdot dY.v\\
t_10 := \mathsf{fma}\left(t\_5, dY.u, t\_9 \cdot dY.v\right)\\
t_11 := t\_6 \cdot dX.u\\
t_12 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_13 := \left|t\_12 \cdot t\_0 - t\_3 \cdot t\_7\right|\\
t_14 := \mathsf{max}\left(t\_3 \cdot t\_3 + t\_12 \cdot t\_12, t\_0 \cdot t\_0 + t\_7 \cdot t\_7\right)\\
t_15 := \sqrt{t\_14}\\
t_16 := \frac{t\_15}{\left\lfloor maxAniso\right\rfloor }\\
t_17 := \frac{t\_13}{t\_15}\\
t_18 := \frac{t\_14}{t\_13}\\
t_19 := t\_18 > \left\lfloor maxAniso\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(t\_11, t\_10\right)}{\left|\mathsf{fma}\left(-dX.u, dY.v, dY.u \cdot dX.v\right) \cdot t\_8\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;t\_16\\
\mathbf{else}:\\
\;\;\;\;t\_17\\
\end{array} < 1:\\
\;\;\;\;\mathsf{max}\left(1, \begin{array}{l}
\mathbf{if}\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_6, dX.u, t\_2 \cdot dX.v\right), \mathsf{fma}\left(t\_9, dY.v, t\_5 \cdot dY.u\right)\right)}{\left|\left(dX.u \cdot dY.v - dX.v \cdot dY.u\right) \cdot t\_8\right|} > \left\lfloor maxAniso\right\rfloor :\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;\frac{\mathsf{max}\left(\mathsf{fma}\left(t\_2, dX.v, t\_11\right), t\_10\right)}{\left|\mathsf{fma}\left(-dX.v, dY.u, dY.v \cdot dX.u\right) \cdot t\_8\right|}\\
\end{array} \cdot \begin{array}{l}
\mathbf{if}\;t\_19:\\
\;\;\;\;t\_16\\
\mathbf{else}:\\
\;\;\;\;t\_17\\
\end{array}\right)\\
\mathbf{elif}\;t\_19:\\
\;\;\;\;\left\lfloor maxAniso\right\rfloor \\
\mathbf{else}:\\
\;\;\;\;t\_18\\
\end{array}
\end{array}
Initial program 98.1%
Taylor expanded in w around 0
Applied rewrites98.1%
Taylor expanded in w around 0
Applied rewrites60.2%
Taylor expanded in w around 0
Applied rewrites60.0%
Taylor expanded in dX.u around inf
Applied rewrites73.9%
Final simplification74.2%
herbie shell --seed 2024298
(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))))))))