
(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 w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_0) (* t_6 t_4))))
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(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_0;
} else {
tmp = t_6 * t_4;
}
return tmp;
}
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(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_0); else tmp = Float32(t_6 * t_4); end return tmp end
function tmp_2 = 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(w) * dY_46_u; t_2 = floor(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_0; else tmp = t_6 * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 12 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 w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (+ (* t_2 t_2) (* t_0 t_0)))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_1 t_1) (* t_4 t_4)))
(t_6 (/ 1.0 (sqrt (fmax t_3 t_5)))))
(if (>= t_3 t_5) (* t_6 t_0) (* t_6 t_4))))
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(w) * dX_46_u;
float t_3 = (t_2 * t_2) + (t_0 * t_0);
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_1 * t_1) + (t_4 * t_4);
float t_6 = 1.0f / sqrtf(fmaxf(t_3, t_5));
float tmp;
if (t_3 >= t_5) {
tmp = t_6 * t_0;
} else {
tmp = t_6 * t_4;
}
return tmp;
}
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(w) * dX_46_u) t_3 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)) t_6 = Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5))))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_0); else tmp = Float32(t_6 * t_4); end return tmp end
function tmp_2 = 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(w) * dY_46_u; t_2 = floor(w) * dX_46_u; t_3 = (t_2 * t_2) + (t_0 * t_0); t_4 = floor(h) * dY_46_v; t_5 = (t_1 * t_1) + (t_4 * t_4); t_6 = single(1.0) / sqrt(max(t_3, t_5)); tmp = single(0.0); if (t_3 >= t_5) tmp = t_6 * t_0; else tmp = t_6 * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_5 := t\_1 \cdot t\_1 + t\_4 \cdot t\_4\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_6 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4
(sqrt (fmax (pow (hypot t_3 t_0) 2.0) (pow (hypot t_1 t_2) 2.0)))))
(if (>= (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2)))
(/ t_0 t_4)
(/ t_2 t_4))))
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 = floorf(w) * dX_46_u;
float t_4 = sqrtf(fmaxf(powf(hypotf(t_3, t_0), 2.0f), powf(hypotf(t_1, t_2), 2.0f)));
float tmp;
if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_1 * t_1) + (t_2 * t_2))) {
tmp = t_0 / t_4;
} else {
tmp = t_2 / t_4;
}
return tmp;
}
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 = Float32(floor(w) * dX_46_u) t_4 = sqrt((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? (hypot(t_1, t_2) ^ Float32(2.0)) : (((hypot(t_1, t_2) ^ Float32(2.0)) != (hypot(t_1, t_2) ^ Float32(2.0))) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), (hypot(t_1, t_2) ^ Float32(2.0)))))) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) >= Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) tmp = Float32(t_0 / t_4); else tmp = Float32(t_2 / t_4); end return tmp end
function tmp_2 = 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(w) * dY_46_u; t_2 = floor(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = sqrt(max((hypot(t_3, t_0) ^ single(2.0)), (hypot(t_1, t_2) ^ single(2.0)))); tmp = single(0.0); if (((t_3 * t_3) + (t_0 * t_0)) >= ((t_1 * t_1) + (t_2 * t_2))) tmp = t_0 / t_4; else tmp = t_2 / t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t\_1, t\_2\right)\right)}^{2}\right)}\\
\mathbf{if}\;t\_3 \cdot t\_3 + t\_0 \cdot t\_0 \geq t\_1 \cdot t\_1 + t\_2 \cdot t\_2:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{t\_4}\\
\end{array}
\end{array}
Initial program 75.7%
pow275.7%
pow-to-exp60.7%
Applied egg-rr60.7%
Applied egg-rr75.8%
associate-*l/76.0%
*-un-lft-identity76.0%
Applied egg-rr76.0%
Final simplification76.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dY.u))
(t_2 (pow (hypot t_0 t_1) 2.0))
(t_3 (* (floor h) dX.v))
(t_4 (pow (hypot (* (floor w) dX.u) t_3) 2.0)))
(if (>= t_4 t_2)
(* t_3 (/ 1.0 (sqrt (fmax t_4 (pow (hypot t_1 t_0) 2.0)))))
(* (floor h) (* dY.v (sqrt (/ 1.0 (fmax t_4 t_2))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = powf(hypotf(t_0, t_1), 2.0f);
float t_3 = floorf(h) * dX_46_v;
float t_4 = powf(hypotf((floorf(w) * dX_46_u), t_3), 2.0f);
float tmp;
if (t_4 >= t_2) {
tmp = t_3 * (1.0f / sqrtf(fmaxf(t_4, powf(hypotf(t_1, t_0), 2.0f))));
} else {
tmp = floorf(h) * (dY_46_v * sqrtf((1.0f / fmaxf(t_4, t_2))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = hypot(t_0, t_1) ^ Float32(2.0) t_3 = Float32(floor(h) * dX_46_v) t_4 = hypot(Float32(floor(w) * dX_46_u), t_3) ^ Float32(2.0) tmp = Float32(0.0) if (t_4 >= t_2) tmp = Float32(t_3 * Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? (hypot(t_1, t_0) ^ Float32(2.0)) : (((hypot(t_1, t_0) ^ Float32(2.0)) != (hypot(t_1, t_0) ^ Float32(2.0))) ? t_4 : max(t_4, (hypot(t_1, t_0) ^ Float32(2.0)))))))); else tmp = Float32(floor(h) * Float32(dY_46_v * sqrt(Float32(Float32(1.0) / ((t_4 != t_4) ? t_2 : ((t_2 != t_2) ? t_4 : max(t_4, t_2))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = floor(w) * dY_46_u; t_2 = hypot(t_0, t_1) ^ single(2.0); t_3 = floor(h) * dX_46_v; t_4 = hypot((floor(w) * dX_46_u), t_3) ^ single(2.0); tmp = single(0.0); if (t_4 >= t_2) tmp = t_3 * (single(1.0) / sqrt(max(t_4, (hypot(t_1, t_0) ^ single(2.0))))); else tmp = floor(h) * (dY_46_v * sqrt((single(1.0) / max(t_4, t_2)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := {\left(\mathsf{hypot}\left(t\_0, t\_1\right)\right)}^{2}\\
t_3 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_4 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dX.u, t\_3\right)\right)}^{2}\\
\mathbf{if}\;t\_4 \geq t\_2:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_4, {\left(\mathsf{hypot}\left(t\_1, t\_0\right)\right)}^{2}\right)}}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_4, t\_2\right)}}\right)\\
\end{array}
\end{array}
Initial program 75.7%
Simplified75.8%
Taylor expanded in w around 0 75.4%
Simplified75.4%
Applied egg-rr75.5%
Final simplification75.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dY.u))
(t_2 (pow (hypot t_0 t_1) 2.0))
(t_3 (* (floor h) dX.v))
(t_4 (pow (hypot (* (floor w) dX.u) t_3) 2.0)))
(if (>= t_4 t_2)
(* t_3 (sqrt (/ 1.0 (fmax t_4 t_2))))
(*
(floor h)
(* dY.v (/ 1.0 (sqrt (fmax t_4 (pow (hypot t_1 t_0) 2.0)))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = powf(hypotf(t_0, t_1), 2.0f);
float t_3 = floorf(h) * dX_46_v;
float t_4 = powf(hypotf((floorf(w) * dX_46_u), t_3), 2.0f);
float tmp;
if (t_4 >= t_2) {
tmp = t_3 * sqrtf((1.0f / fmaxf(t_4, t_2)));
} else {
tmp = floorf(h) * (dY_46_v * (1.0f / sqrtf(fmaxf(t_4, powf(hypotf(t_1, t_0), 2.0f)))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(w) * dY_46_u) t_2 = hypot(t_0, t_1) ^ Float32(2.0) t_3 = Float32(floor(h) * dX_46_v) t_4 = hypot(Float32(floor(w) * dX_46_u), t_3) ^ Float32(2.0) tmp = Float32(0.0) if (t_4 >= t_2) tmp = Float32(t_3 * sqrt(Float32(Float32(1.0) / ((t_4 != t_4) ? t_2 : ((t_2 != t_2) ? t_4 : max(t_4, t_2)))))); else tmp = Float32(floor(h) * Float32(dY_46_v * Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? (hypot(t_1, t_0) ^ Float32(2.0)) : (((hypot(t_1, t_0) ^ Float32(2.0)) != (hypot(t_1, t_0) ^ Float32(2.0))) ? t_4 : max(t_4, (hypot(t_1, t_0) ^ Float32(2.0))))))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = floor(w) * dY_46_u; t_2 = hypot(t_0, t_1) ^ single(2.0); t_3 = floor(h) * dX_46_v; t_4 = hypot((floor(w) * dX_46_u), t_3) ^ single(2.0); tmp = single(0.0); if (t_4 >= t_2) tmp = t_3 * sqrt((single(1.0) / max(t_4, t_2))); else tmp = floor(h) * (dY_46_v * (single(1.0) / sqrt(max(t_4, (hypot(t_1, t_0) ^ single(2.0)))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := {\left(\mathsf{hypot}\left(t\_0, t\_1\right)\right)}^{2}\\
t_3 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_4 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dX.u, t\_3\right)\right)}^{2}\\
\mathbf{if}\;t\_4 \geq t\_2:\\
\;\;\;\;t\_3 \cdot \sqrt{\frac{1}{\mathsf{max}\left(t\_4, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_4, {\left(\mathsf{hypot}\left(t\_1, t\_0\right)\right)}^{2}\right)}}\right)\\
\end{array}
\end{array}
Initial program 75.7%
Simplified75.8%
Taylor expanded in w around 0 75.4%
Simplified75.4%
Applied egg-rr75.4%
Final simplification75.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (hypot (* (floor h) dY.v) (* (floor w) dY.u)) 2.0))
(t_1 (* (floor h) dX.v))
(t_2 (pow (hypot (* (floor w) dX.u) t_1) 2.0))
(t_3 (sqrt (/ 1.0 (fmax t_2 t_0)))))
(if (>= t_2 t_0) (* t_1 t_3) (* (floor h) (* dY.v t_3)))))
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(hypotf((floorf(h) * dY_46_v), (floorf(w) * dY_46_u)), 2.0f);
float t_1 = floorf(h) * dX_46_v;
float t_2 = powf(hypotf((floorf(w) * dX_46_u), t_1), 2.0f);
float t_3 = sqrtf((1.0f / fmaxf(t_2, t_0)));
float tmp;
if (t_2 >= t_0) {
tmp = t_1 * t_3;
} else {
tmp = floorf(h) * (dY_46_v * t_3);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = hypot(Float32(floor(h) * dY_46_v), Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_1 = Float32(floor(h) * dX_46_v) t_2 = hypot(Float32(floor(w) * dX_46_u), t_1) ^ Float32(2.0) t_3 = sqrt(Float32(Float32(1.0) / ((t_2 != t_2) ? t_0 : ((t_0 != t_0) ? t_2 : max(t_2, t_0))))) tmp = Float32(0.0) if (t_2 >= t_0) tmp = Float32(t_1 * t_3); else tmp = Float32(floor(h) * Float32(dY_46_v * t_3)); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = hypot((floor(h) * dY_46_v), (floor(w) * dY_46_u)) ^ single(2.0); t_1 = floor(h) * dX_46_v; t_2 = hypot((floor(w) * dX_46_u), t_1) ^ single(2.0); t_3 = sqrt((single(1.0) / max(t_2, t_0))); tmp = single(0.0); if (t_2 >= t_0) tmp = t_1 * t_3; else tmp = floor(h) * (dY_46_v * t_3); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dY.v, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_1 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_2 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dX.u, t\_1\right)\right)}^{2}\\
t_3 := \sqrt{\frac{1}{\mathsf{max}\left(t\_2, t\_0\right)}}\\
\mathbf{if}\;t\_2 \geq t\_0:\\
\;\;\;\;t\_1 \cdot t\_3\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t\_3\right)\\
\end{array}
\end{array}
Initial program 75.7%
Simplified75.8%
Taylor expanded in w around 0 75.4%
Simplified75.4%
Final simplification75.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (hypot (* (floor w) dY.u) (* (floor h) dY.v)) 2.0))
(t_1 (pow (hypot (* (floor h) dX.v) (* (floor w) dX.u)) 2.0))
(t_2 (/ (floor h) (sqrt (fmax t_1 t_0)))))
(if (>= t_1 t_0) (* dX.v t_2) (* dY.v t_2))))
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(hypotf((floorf(w) * dY_46_u), (floorf(h) * dY_46_v)), 2.0f);
float t_1 = powf(hypotf((floorf(h) * dX_46_v), (floorf(w) * dX_46_u)), 2.0f);
float t_2 = floorf(h) / sqrtf(fmaxf(t_1, t_0));
float tmp;
if (t_1 >= t_0) {
tmp = dX_46_v * t_2;
} else {
tmp = dY_46_v * t_2;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = hypot(Float32(floor(w) * dY_46_u), Float32(floor(h) * dY_46_v)) ^ Float32(2.0) t_1 = hypot(Float32(floor(h) * dX_46_v), Float32(floor(w) * dX_46_u)) ^ Float32(2.0) t_2 = Float32(floor(h) / sqrt(((t_1 != t_1) ? t_0 : ((t_0 != t_0) ? t_1 : max(t_1, t_0))))) tmp = Float32(0.0) if (t_1 >= t_0) tmp = Float32(dX_46_v * t_2); else tmp = Float32(dY_46_v * t_2); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = hypot((floor(w) * dY_46_u), (floor(h) * dY_46_v)) ^ single(2.0); t_1 = hypot((floor(h) * dX_46_v), (floor(w) * dX_46_u)) ^ single(2.0); t_2 = floor(h) / sqrt(max(t_1, t_0)); tmp = single(0.0); if (t_1 >= t_0) tmp = dX_46_v * t_2; else tmp = dY_46_v * t_2; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, \left\lfloorh\right\rfloor \cdot dY.v\right)\right)}^{2}\\
t_1 := {\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dX.v, \left\lfloorw\right\rfloor \cdot dX.u\right)\right)}^{2}\\
t_2 := \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left(t\_1, t\_0\right)}}\\
\mathbf{if}\;t\_1 \geq t\_0:\\
\;\;\;\;dX.v \cdot t\_2\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot t\_2\\
\end{array}
\end{array}
Initial program 75.7%
Simplified75.8%
pow275.8%
Applied egg-rr75.8%
Taylor expanded in w around 0 75.4%
Simplified75.4%
Final simplification75.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor w) dY.u))
(t_2 (pow t_0 2.0))
(t_3 (* (floor h) dY.v))
(t_4 (pow (hypot t_1 t_3) 2.0))
(t_5 (* (floor h) dX.v))
(t_6 (sqrt (fmax (pow (hypot t_0 t_5) 2.0) t_4))))
(if (<= dX.u 40.0)
(if (>= (pow t_5 2.0) (+ (* t_1 t_1) (* t_3 t_3)))
(/ t_5 t_6)
(/ t_3 t_6))
(if (>= t_2 t_4)
(* dX.v (/ (floor h) (sqrt (fmax (pow (hypot t_5 t_0) 2.0) t_4))))
(* dY.v (/ (floor h) (sqrt (fmax t_2 t_4))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = floorf(w) * dY_46_u;
float t_2 = powf(t_0, 2.0f);
float t_3 = floorf(h) * dY_46_v;
float t_4 = powf(hypotf(t_1, t_3), 2.0f);
float t_5 = floorf(h) * dX_46_v;
float t_6 = sqrtf(fmaxf(powf(hypotf(t_0, t_5), 2.0f), t_4));
float tmp_1;
if (dX_46_u <= 40.0f) {
float tmp_2;
if (powf(t_5, 2.0f) >= ((t_1 * t_1) + (t_3 * t_3))) {
tmp_2 = t_5 / t_6;
} else {
tmp_2 = t_3 / t_6;
}
tmp_1 = tmp_2;
} else if (t_2 >= t_4) {
tmp_1 = dX_46_v * (floorf(h) / sqrtf(fmaxf(powf(hypotf(t_5, t_0), 2.0f), t_4)));
} else {
tmp_1 = dY_46_v * (floorf(h) / sqrtf(fmaxf(t_2, t_4)));
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(floor(w) * dY_46_u) t_2 = t_0 ^ Float32(2.0) t_3 = Float32(floor(h) * dY_46_v) t_4 = hypot(t_1, t_3) ^ Float32(2.0) t_5 = Float32(floor(h) * dX_46_v) t_6 = sqrt((((hypot(t_0, t_5) ^ Float32(2.0)) != (hypot(t_0, t_5) ^ Float32(2.0))) ? t_4 : ((t_4 != t_4) ? (hypot(t_0, t_5) ^ Float32(2.0)) : max((hypot(t_0, t_5) ^ Float32(2.0)), t_4)))) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(40.0)) tmp_2 = Float32(0.0) if ((t_5 ^ Float32(2.0)) >= Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3))) tmp_2 = Float32(t_5 / t_6); else tmp_2 = Float32(t_3 / t_6); end tmp_1 = tmp_2; elseif (t_2 >= t_4) tmp_1 = Float32(dX_46_v * Float32(floor(h) / sqrt((((hypot(t_5, t_0) ^ Float32(2.0)) != (hypot(t_5, t_0) ^ Float32(2.0))) ? t_4 : ((t_4 != t_4) ? (hypot(t_5, t_0) ^ Float32(2.0)) : max((hypot(t_5, t_0) ^ Float32(2.0)), t_4)))))); else tmp_1 = Float32(dY_46_v * Float32(floor(h) / sqrt(((t_2 != t_2) ? t_4 : ((t_4 != t_4) ? t_2 : max(t_2, t_4)))))); end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = floor(w) * dY_46_u; t_2 = t_0 ^ single(2.0); t_3 = floor(h) * dY_46_v; t_4 = hypot(t_1, t_3) ^ single(2.0); t_5 = floor(h) * dX_46_v; t_6 = sqrt(max((hypot(t_0, t_5) ^ single(2.0)), t_4)); tmp_2 = single(0.0); if (dX_46_u <= single(40.0)) tmp_3 = single(0.0); if ((t_5 ^ single(2.0)) >= ((t_1 * t_1) + (t_3 * t_3))) tmp_3 = t_5 / t_6; else tmp_3 = t_3 / t_6; end tmp_2 = tmp_3; elseif (t_2 >= t_4) tmp_2 = dX_46_v * (floor(h) / sqrt(max((hypot(t_5, t_0) ^ single(2.0)), t_4))); else tmp_2 = dY_46_v * (floor(h) / sqrt(max(t_2, t_4))); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := {t\_0}^{2}\\
t_3 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_4 := {\left(\mathsf{hypot}\left(t\_1, t\_3\right)\right)}^{2}\\
t_5 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_6 := \sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_0, t\_5\right)\right)}^{2}, t\_4\right)}\\
\mathbf{if}\;dX.u \leq 40:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_5}^{2} \geq t\_1 \cdot t\_1 + t\_3 \cdot t\_3:\\
\;\;\;\;\frac{t\_5}{t\_6}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{t\_6}\\
\end{array}\\
\mathbf{elif}\;t\_2 \geq t\_4:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_5, t\_0\right)\right)}^{2}, t\_4\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left(t\_2, t\_4\right)}}\\
\end{array}
\end{array}
if dX.u < 40Initial program 77.8%
pow277.8%
pow-to-exp59.6%
Applied egg-rr59.6%
Applied egg-rr78.0%
associate-*l/78.3%
*-un-lft-identity78.3%
Applied egg-rr78.3%
Taylor expanded in dX.u around 0 71.2%
*-commutative71.2%
unpow271.2%
unpow271.2%
swap-sqr71.2%
unpow271.2%
*-commutative71.2%
Simplified71.2%
if 40 < dX.u Initial program 69.8%
Simplified69.4%
Taylor expanded in dX.u around inf 66.9%
*-commutative66.9%
unpow266.9%
unpow266.9%
swap-sqr66.9%
unpow266.9%
*-commutative66.9%
Simplified66.9%
Taylor expanded in dX.u around 0 67.0%
Simplified66.8%
Taylor expanded in dX.v around 0 68.1%
*-commutative68.1%
unpow268.1%
unpow268.1%
swap-sqr68.1%
unpow268.1%
*-commutative68.1%
Simplified68.1%
Final simplification70.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor w) dY.u))
(t_4 (pow (hypot t_1 t_3) 2.0))
(t_5 (pow (hypot t_3 t_1) 2.0))
(t_6 (sqrt (/ 1.0 (fmax (pow (hypot t_0 t_2) 2.0) t_4))))
(t_7 (pow t_0 2.0)))
(if (<= dX.u 12.0)
(if (>= (pow t_2 2.0) t_4) (* t_2 t_6) (* (floor h) (* dY.v t_6)))
(if (>= t_7 t_5)
(* dX.v (/ (floor h) (sqrt (fmax (pow (hypot t_2 t_0) 2.0) t_5))))
(* dY.v (/ (floor h) (sqrt (fmax t_7 t_5))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(w) * dY_46_u;
float t_4 = powf(hypotf(t_1, t_3), 2.0f);
float t_5 = powf(hypotf(t_3, t_1), 2.0f);
float t_6 = sqrtf((1.0f / fmaxf(powf(hypotf(t_0, t_2), 2.0f), t_4)));
float t_7 = powf(t_0, 2.0f);
float tmp_1;
if (dX_46_u <= 12.0f) {
float tmp_2;
if (powf(t_2, 2.0f) >= t_4) {
tmp_2 = t_2 * t_6;
} else {
tmp_2 = floorf(h) * (dY_46_v * t_6);
}
tmp_1 = tmp_2;
} else if (t_7 >= t_5) {
tmp_1 = dX_46_v * (floorf(h) / sqrtf(fmaxf(powf(hypotf(t_2, t_0), 2.0f), t_5)));
} else {
tmp_1 = dY_46_v * (floorf(h) / sqrtf(fmaxf(t_7, t_5)));
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(w) * dY_46_u) t_4 = hypot(t_1, t_3) ^ Float32(2.0) t_5 = hypot(t_3, t_1) ^ Float32(2.0) t_6 = sqrt(Float32(Float32(1.0) / (((hypot(t_0, t_2) ^ Float32(2.0)) != (hypot(t_0, t_2) ^ Float32(2.0))) ? t_4 : ((t_4 != t_4) ? (hypot(t_0, t_2) ^ Float32(2.0)) : max((hypot(t_0, t_2) ^ Float32(2.0)), t_4))))) t_7 = t_0 ^ Float32(2.0) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(12.0)) tmp_2 = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= t_4) tmp_2 = Float32(t_2 * t_6); else tmp_2 = Float32(floor(h) * Float32(dY_46_v * t_6)); end tmp_1 = tmp_2; elseif (t_7 >= t_5) tmp_1 = Float32(dX_46_v * Float32(floor(h) / sqrt((((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? t_5 : ((t_5 != t_5) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), t_5)))))); else tmp_1 = Float32(dY_46_v * Float32(floor(h) / sqrt(((t_7 != t_7) ? t_5 : ((t_5 != t_5) ? t_7 : max(t_7, t_5)))))); end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = floor(w) * dY_46_u; t_4 = hypot(t_1, t_3) ^ single(2.0); t_5 = hypot(t_3, t_1) ^ single(2.0); t_6 = sqrt((single(1.0) / max((hypot(t_0, t_2) ^ single(2.0)), t_4))); t_7 = t_0 ^ single(2.0); tmp_2 = single(0.0); if (dX_46_u <= single(12.0)) tmp_3 = single(0.0); if ((t_2 ^ single(2.0)) >= t_4) tmp_3 = t_2 * t_6; else tmp_3 = floor(h) * (dY_46_v * t_6); end tmp_2 = tmp_3; elseif (t_7 >= t_5) tmp_2 = dX_46_v * (floor(h) / sqrt(max((hypot(t_2, t_0) ^ single(2.0)), t_5))); else tmp_2 = dY_46_v * (floor(h) / sqrt(max(t_7, t_5))); end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := \left\lfloorh\right\rfloor \cdot dX.v\\
t_3 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_4 := {\left(\mathsf{hypot}\left(t\_1, t\_3\right)\right)}^{2}\\
t_5 := {\left(\mathsf{hypot}\left(t\_3, t\_1\right)\right)}^{2}\\
t_6 := \sqrt{\frac{1}{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_0, t\_2\right)\right)}^{2}, t\_4\right)}}\\
t_7 := {t\_0}^{2}\\
\mathbf{if}\;dX.u \leq 12:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_2}^{2} \geq t\_4:\\
\;\;\;\;t\_2 \cdot t\_6\\
\mathbf{else}:\\
\;\;\;\;\left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t\_6\right)\\
\end{array}\\
\mathbf{elif}\;t\_7 \geq t\_5:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}, t\_5\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left(t\_7, t\_5\right)}}\\
\end{array}
\end{array}
if dX.u < 12Initial program 77.6%
Simplified77.8%
Taylor expanded in w around 0 77.3%
Simplified77.3%
Taylor expanded in dX.u around 0 70.2%
unpow270.2%
unpow270.2%
swap-sqr70.2%
unpow270.2%
Simplified70.2%
if 12 < dX.u Initial program 70.7%
Simplified70.2%
Taylor expanded in dX.u around inf 67.7%
*-commutative67.7%
unpow267.7%
unpow267.7%
swap-sqr67.7%
unpow267.7%
*-commutative67.7%
Simplified67.7%
Taylor expanded in dX.u around 0 67.9%
Simplified67.7%
Taylor expanded in dX.v around 0 68.9%
*-commutative68.9%
unpow268.9%
unpow268.9%
swap-sqr68.9%
unpow268.9%
*-commutative68.9%
Simplified68.9%
Final simplification69.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot (* (floor w) dY.u) t_0) 2.0))
(t_2 (* (floor w) dX.u))
(t_3
(/
(floor h)
(sqrt (fmax (pow (hypot (* (floor h) dX.v) t_2) 2.0) t_1))))
(t_4 (pow t_2 2.0)))
(if (<= dY.u 1000000.0)
(if (>= t_4 (pow t_0 2.0))
(* dX.v t_3)
(* dY.v (/ (floor h) (sqrt (fmax t_4 t_1)))))
(if (>= t_4 t_1)
(*
dX.v
(/ (floor h) (sqrt (fmax (* (pow dX.u 2.0) (pow (floor w) 2.0)) t_1))))
(* dY.v t_3)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = powf(hypotf((floorf(w) * dY_46_u), t_0), 2.0f);
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(h) / sqrtf(fmaxf(powf(hypotf((floorf(h) * dX_46_v), t_2), 2.0f), t_1));
float t_4 = powf(t_2, 2.0f);
float tmp_1;
if (dY_46_u <= 1000000.0f) {
float tmp_2;
if (t_4 >= powf(t_0, 2.0f)) {
tmp_2 = dX_46_v * t_3;
} else {
tmp_2 = dY_46_v * (floorf(h) / sqrtf(fmaxf(t_4, t_1)));
}
tmp_1 = tmp_2;
} else if (t_4 >= t_1) {
tmp_1 = dX_46_v * (floorf(h) / sqrtf(fmaxf((powf(dX_46_u, 2.0f) * powf(floorf(w), 2.0f)), t_1)));
} else {
tmp_1 = dY_46_v * t_3;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(h) / sqrt((((hypot(Float32(floor(h) * dX_46_v), t_2) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dX_46_v), t_2) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(Float32(floor(h) * dX_46_v), t_2) ^ Float32(2.0)) : max((hypot(Float32(floor(h) * dX_46_v), t_2) ^ Float32(2.0)), t_1))))) t_4 = t_2 ^ Float32(2.0) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(1000000.0)) tmp_2 = Float32(0.0) if (t_4 >= (t_0 ^ Float32(2.0))) tmp_2 = Float32(dX_46_v * t_3); else tmp_2 = Float32(dY_46_v * Float32(floor(h) / sqrt(((t_4 != t_4) ? t_1 : ((t_1 != t_1) ? t_4 : max(t_4, t_1)))))); end tmp_1 = tmp_2; elseif (t_4 >= t_1) tmp_1 = Float32(dX_46_v * Float32(floor(h) / sqrt(((Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))) != Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0)))) ? t_1 : ((t_1 != t_1) ? Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))) : max(Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))), t_1)))))); else tmp_1 = Float32(dY_46_v * t_3); end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = hypot((floor(w) * dY_46_u), t_0) ^ single(2.0); t_2 = floor(w) * dX_46_u; t_3 = floor(h) / sqrt(max((hypot((floor(h) * dX_46_v), t_2) ^ single(2.0)), t_1)); t_4 = t_2 ^ single(2.0); tmp_2 = single(0.0); if (dY_46_u <= single(1000000.0)) tmp_3 = single(0.0); if (t_4 >= (t_0 ^ single(2.0))) tmp_3 = dX_46_v * t_3; else tmp_3 = dY_46_v * (floor(h) / sqrt(max(t_4, t_1))); end tmp_2 = tmp_3; elseif (t_4 >= t_1) tmp_2 = dX_46_v * (floor(h) / sqrt(max(((dX_46_u ^ single(2.0)) * (floor(w) ^ single(2.0))), t_1))); else tmp_2 = dY_46_v * t_3; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, t\_0\right)\right)}^{2}\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dX.v, t\_2\right)\right)}^{2}, t\_1\right)}}\\
t_4 := {t\_2}^{2}\\
\mathbf{if}\;dY.u \leq 1000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_4 \geq {t\_0}^{2}:\\
\;\;\;\;dX.v \cdot t\_3\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left(t\_4, t\_1\right)}}\\
\end{array}\\
\mathbf{elif}\;t\_4 \geq t\_1:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({dX.u}^{2} \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_1\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot t\_3\\
\end{array}
\end{array}
if dY.u < 1e6Initial program 76.8%
Simplified76.5%
Taylor expanded in dX.u around inf 63.1%
*-commutative63.1%
unpow263.1%
unpow263.1%
swap-sqr63.1%
unpow263.1%
*-commutative63.1%
Simplified63.1%
Taylor expanded in dX.u around 0 63.1%
Simplified63.0%
Taylor expanded in dY.u around 0 61.3%
*-commutative61.3%
unpow261.3%
unpow261.3%
swap-sqr61.3%
unpow261.3%
Simplified61.3%
Taylor expanded in dX.v around 0 64.3%
*-commutative66.0%
unpow266.0%
unpow266.0%
swap-sqr66.0%
unpow266.0%
*-commutative66.0%
Simplified64.3%
if 1e6 < dY.u Initial program 70.7%
Simplified70.7%
Taylor expanded in dX.u around inf 62.8%
*-commutative62.8%
unpow262.8%
unpow262.8%
swap-sqr62.8%
unpow262.8%
*-commutative62.8%
Simplified62.8%
Taylor expanded in dX.u around 0 62.7%
Simplified62.5%
Taylor expanded in dX.v around 0 61.1%
Final simplification63.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (pow t_0 2.0))
(t_2 (pow (hypot (* (floor w) dY.u) (* (floor h) dY.v)) 2.0)))
(if (>= t_1 t_2)
(*
dX.v
(/ (floor h) (sqrt (fmax (pow (hypot (* (floor h) dX.v) t_0) 2.0) t_2))))
(* dY.v (/ (floor h) (sqrt (fmax t_1 t_2)))))))
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(t_0, 2.0f);
float t_2 = powf(hypotf((floorf(w) * dY_46_u), (floorf(h) * dY_46_v)), 2.0f);
float tmp;
if (t_1 >= t_2) {
tmp = dX_46_v * (floorf(h) / sqrtf(fmaxf(powf(hypotf((floorf(h) * dX_46_v), t_0), 2.0f), t_2)));
} else {
tmp = dY_46_v * (floorf(h) / sqrtf(fmaxf(t_1, t_2)));
}
return tmp;
}
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 = t_0 ^ Float32(2.0) t_2 = hypot(Float32(floor(w) * dY_46_u), Float32(floor(h) * dY_46_v)) ^ Float32(2.0) tmp = Float32(0.0) if (t_1 >= t_2) tmp = Float32(dX_46_v * Float32(floor(h) / sqrt((((hypot(Float32(floor(h) * dX_46_v), t_0) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dX_46_v), t_0) ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (hypot(Float32(floor(h) * dX_46_v), t_0) ^ Float32(2.0)) : max((hypot(Float32(floor(h) * dX_46_v), t_0) ^ Float32(2.0)), t_2)))))); else tmp = Float32(dY_46_v * Float32(floor(h) / sqrt(((t_1 != t_1) ? t_2 : ((t_2 != t_2) ? t_1 : max(t_1, t_2)))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dX_46_u; t_1 = t_0 ^ single(2.0); t_2 = hypot((floor(w) * dY_46_u), (floor(h) * dY_46_v)) ^ single(2.0); tmp = single(0.0); if (t_1 >= t_2) tmp = dX_46_v * (floor(h) / sqrt(max((hypot((floor(h) * dX_46_v), t_0) ^ single(2.0)), t_2))); else tmp = dY_46_v * (floor(h) / sqrt(max(t_1, t_2))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_1 := {t\_0}^{2}\\
t_2 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, \left\lfloorh\right\rfloor \cdot dY.v\right)\right)}^{2}\\
\mathbf{if}\;t\_1 \geq t\_2:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dX.v, t\_0\right)\right)}^{2}, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left(t\_1, t\_2\right)}}\\
\end{array}
\end{array}
Initial program 75.7%
Simplified75.5%
Taylor expanded in dX.u around inf 63.0%
*-commutative63.0%
unpow263.0%
unpow263.0%
swap-sqr63.0%
unpow263.0%
*-commutative63.0%
Simplified63.0%
Taylor expanded in dX.u around 0 63.0%
Simplified62.9%
Taylor expanded in dX.v around 0 65.4%
*-commutative65.4%
unpow265.4%
unpow265.4%
swap-sqr65.4%
unpow265.4%
*-commutative65.4%
Simplified65.4%
Final simplification65.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (pow (hypot t_0 t_1) 2.0))
(t_3 (* (floor w) dX.u))
(t_4
(/
(floor h)
(sqrt (fmax (pow (hypot (* (floor h) dX.v) t_3) 2.0) t_2))))
(t_5 (* dX.v t_4))
(t_6 (pow t_3 2.0)))
(if (<= dY.u 1000000.0)
(if (>= t_6 (pow t_1 2.0))
t_5
(* dY.v (/ (floor h) (sqrt (fmax t_6 t_2)))))
(if (>= t_6 (pow t_0 2.0)) t_5 (* dY.v t_4)))))
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 = floorf(h) * dY_46_v;
float t_2 = powf(hypotf(t_0, t_1), 2.0f);
float t_3 = floorf(w) * dX_46_u;
float t_4 = floorf(h) / sqrtf(fmaxf(powf(hypotf((floorf(h) * dX_46_v), t_3), 2.0f), t_2));
float t_5 = dX_46_v * t_4;
float t_6 = powf(t_3, 2.0f);
float tmp_1;
if (dY_46_u <= 1000000.0f) {
float tmp_2;
if (t_6 >= powf(t_1, 2.0f)) {
tmp_2 = t_5;
} else {
tmp_2 = dY_46_v * (floorf(h) / sqrtf(fmaxf(t_6, t_2)));
}
tmp_1 = tmp_2;
} else if (t_6 >= powf(t_0, 2.0f)) {
tmp_1 = t_5;
} else {
tmp_1 = dY_46_v * t_4;
}
return tmp_1;
}
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 = Float32(floor(h) * dY_46_v) t_2 = hypot(t_0, t_1) ^ Float32(2.0) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(floor(h) / sqrt((((hypot(Float32(floor(h) * dX_46_v), t_3) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dX_46_v), t_3) ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (hypot(Float32(floor(h) * dX_46_v), t_3) ^ Float32(2.0)) : max((hypot(Float32(floor(h) * dX_46_v), t_3) ^ Float32(2.0)), t_2))))) t_5 = Float32(dX_46_v * t_4) t_6 = t_3 ^ Float32(2.0) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(1000000.0)) tmp_2 = Float32(0.0) if (t_6 >= (t_1 ^ Float32(2.0))) tmp_2 = t_5; else tmp_2 = Float32(dY_46_v * Float32(floor(h) / sqrt(((t_6 != t_6) ? t_2 : ((t_2 != t_2) ? t_6 : max(t_6, t_2)))))); end tmp_1 = tmp_2; elseif (t_6 >= (t_0 ^ Float32(2.0))) tmp_1 = t_5; else tmp_1 = Float32(dY_46_v * t_4); end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = hypot(t_0, t_1) ^ single(2.0); t_3 = floor(w) * dX_46_u; t_4 = floor(h) / sqrt(max((hypot((floor(h) * dX_46_v), t_3) ^ single(2.0)), t_2)); t_5 = dX_46_v * t_4; t_6 = t_3 ^ single(2.0); tmp_2 = single(0.0); if (dY_46_u <= single(1000000.0)) tmp_3 = single(0.0); if (t_6 >= (t_1 ^ single(2.0))) tmp_3 = t_5; else tmp_3 = dY_46_v * (floor(h) / sqrt(max(t_6, t_2))); end tmp_2 = tmp_3; elseif (t_6 >= (t_0 ^ single(2.0))) tmp_2 = t_5; else tmp_2 = dY_46_v * t_4; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := {\left(\mathsf{hypot}\left(t\_0, t\_1\right)\right)}^{2}\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dX.v, t\_3\right)\right)}^{2}, t\_2\right)}}\\
t_5 := dX.v \cdot t\_4\\
t_6 := {t\_3}^{2}\\
\mathbf{if}\;dY.u \leq 1000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_6 \geq {t\_1}^{2}:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left(t\_6, t\_2\right)}}\\
\end{array}\\
\mathbf{elif}\;t\_6 \geq {t\_0}^{2}:\\
\;\;\;\;t\_5\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot t\_4\\
\end{array}
\end{array}
if dY.u < 1e6Initial program 76.8%
Simplified76.5%
Taylor expanded in dX.u around inf 63.1%
*-commutative63.1%
unpow263.1%
unpow263.1%
swap-sqr63.1%
unpow263.1%
*-commutative63.1%
Simplified63.1%
Taylor expanded in dX.u around 0 63.1%
Simplified63.0%
Taylor expanded in dY.u around 0 61.3%
*-commutative61.3%
unpow261.3%
unpow261.3%
swap-sqr61.3%
unpow261.3%
Simplified61.3%
Taylor expanded in dX.v around 0 64.3%
*-commutative66.0%
unpow266.0%
unpow266.0%
swap-sqr66.0%
unpow266.0%
*-commutative66.0%
Simplified64.3%
if 1e6 < dY.u Initial program 70.7%
Simplified70.7%
Taylor expanded in dX.u around inf 62.8%
*-commutative62.8%
unpow262.8%
unpow262.8%
swap-sqr62.8%
unpow262.8%
*-commutative62.8%
Simplified62.8%
Taylor expanded in dX.u around 0 62.7%
Simplified62.5%
Taylor expanded in dY.u around inf 62.5%
*-commutative62.5%
unpow262.5%
unpow262.5%
swap-sqr62.5%
unpow262.5%
Simplified62.5%
Final simplification63.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dX.u))
(t_2 (pow t_1 2.0))
(t_3 (pow (hypot (* (floor w) dY.u) t_0) 2.0)))
(if (>= t_2 (pow t_0 2.0))
(*
dX.v
(/ (floor h) (sqrt (fmax (pow (hypot (* (floor h) dX.v) t_1) 2.0) t_3))))
(* dY.v (/ (floor h) (sqrt (fmax t_2 t_3)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf(t_1, 2.0f);
float t_3 = powf(hypotf((floorf(w) * dY_46_u), t_0), 2.0f);
float tmp;
if (t_2 >= powf(t_0, 2.0f)) {
tmp = dX_46_v * (floorf(h) / sqrtf(fmaxf(powf(hypotf((floorf(h) * dX_46_v), t_1), 2.0f), t_3)));
} else {
tmp = dY_46_v * (floorf(h) / sqrtf(fmaxf(t_2, t_3)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(w) * dX_46_u) t_2 = t_1 ^ Float32(2.0) t_3 = hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0) tmp = Float32(0.0) if (t_2 >= (t_0 ^ Float32(2.0))) tmp = Float32(dX_46_v * Float32(floor(h) / sqrt((((hypot(Float32(floor(h) * dX_46_v), t_1) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dX_46_v), t_1) ^ Float32(2.0))) ? t_3 : ((t_3 != t_3) ? (hypot(Float32(floor(h) * dX_46_v), t_1) ^ Float32(2.0)) : max((hypot(Float32(floor(h) * dX_46_v), t_1) ^ Float32(2.0)), t_3)))))); else tmp = Float32(dY_46_v * Float32(floor(h) / sqrt(((t_2 != t_2) ? t_3 : ((t_3 != t_3) ? t_2 : max(t_2, t_3)))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = floor(w) * dX_46_u; t_2 = t_1 ^ single(2.0); t_3 = hypot((floor(w) * dY_46_u), t_0) ^ single(2.0); tmp = single(0.0); if (t_2 >= (t_0 ^ single(2.0))) tmp = dX_46_v * (floor(h) / sqrt(max((hypot((floor(h) * dX_46_v), t_1) ^ single(2.0)), t_3))); else tmp = dY_46_v * (floor(h) / sqrt(max(t_2, t_3))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_2 := {t\_1}^{2}\\
t_3 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, t\_0\right)\right)}^{2}\\
\mathbf{if}\;t\_2 \geq {t\_0}^{2}:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dX.v, t\_1\right)\right)}^{2}, t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left(t\_2, t\_3\right)}}\\
\end{array}
\end{array}
Initial program 75.7%
Simplified75.5%
Taylor expanded in dX.u around inf 63.0%
*-commutative63.0%
unpow263.0%
unpow263.0%
swap-sqr63.0%
unpow263.0%
*-commutative63.0%
Simplified63.0%
Taylor expanded in dX.u around 0 63.0%
Simplified62.9%
Taylor expanded in dY.u around 0 59.8%
*-commutative59.8%
unpow259.8%
unpow259.8%
swap-sqr59.8%
unpow259.8%
Simplified59.8%
Taylor expanded in dX.v around 0 62.2%
*-commutative65.4%
unpow265.4%
unpow265.4%
swap-sqr65.4%
unpow265.4%
*-commutative65.4%
Simplified62.2%
Final simplification62.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor w) dX.u))
(t_2 (pow (hypot (* (floor w) dY.u) t_0) 2.0)))
(if (>= (pow t_1 2.0) (pow t_0 2.0))
(*
dX.v
(/ (floor h) (sqrt (fmax (* (pow dX.u 2.0) (pow (floor w) 2.0)) t_2))))
(*
dY.v
(/
(floor h)
(sqrt (fmax (pow (hypot (* (floor h) dX.v) t_1) 2.0) t_2)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * dY_46_v;
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf(hypotf((floorf(w) * dY_46_u), t_0), 2.0f);
float tmp;
if (powf(t_1, 2.0f) >= powf(t_0, 2.0f)) {
tmp = dX_46_v * (floorf(h) / sqrtf(fmaxf((powf(dX_46_u, 2.0f) * powf(floorf(w), 2.0f)), t_2)));
} else {
tmp = dY_46_v * (floorf(h) / sqrtf(fmaxf(powf(hypotf((floorf(h) * dX_46_v), t_1), 2.0f), t_2)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(floor(w) * dX_46_u) t_2 = hypot(Float32(floor(w) * dY_46_u), t_0) ^ Float32(2.0) tmp = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= (t_0 ^ Float32(2.0))) tmp = Float32(dX_46_v * Float32(floor(h) / sqrt(((Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))) != Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0)))) ? t_2 : ((t_2 != t_2) ? Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))) : max(Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))), t_2)))))); else tmp = Float32(dY_46_v * Float32(floor(h) / sqrt((((hypot(Float32(floor(h) * dX_46_v), t_1) ^ Float32(2.0)) != (hypot(Float32(floor(h) * dX_46_v), t_1) ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (hypot(Float32(floor(h) * dX_46_v), t_1) ^ Float32(2.0)) : max((hypot(Float32(floor(h) * dX_46_v), t_1) ^ Float32(2.0)), t_2)))))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(h) * dY_46_v; t_1 = floor(w) * dX_46_u; t_2 = hypot((floor(w) * dY_46_u), t_0) ^ single(2.0); tmp = single(0.0); if ((t_1 ^ single(2.0)) >= (t_0 ^ single(2.0))) tmp = dX_46_v * (floor(h) / sqrt(max(((dX_46_u ^ single(2.0)) * (floor(w) ^ single(2.0))), t_2))); else tmp = dY_46_v * (floor(h) / sqrt(max((hypot((floor(h) * dX_46_v), t_1) ^ single(2.0)), t_2))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_2 := {\left(\mathsf{hypot}\left(\left\lfloorw\right\rfloor \cdot dY.u, t\_0\right)\right)}^{2}\\
\mathbf{if}\;{t\_1}^{2} \geq {t\_0}^{2}:\\
\;\;\;\;dX.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({dX.u}^{2} \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(\left\lfloorh\right\rfloor \cdot dX.v, t\_1\right)\right)}^{2}, t\_2\right)}}\\
\end{array}
\end{array}
Initial program 75.7%
Simplified75.5%
Taylor expanded in dX.u around inf 63.0%
*-commutative63.0%
unpow263.0%
unpow263.0%
swap-sqr63.0%
unpow263.0%
*-commutative63.0%
Simplified63.0%
Taylor expanded in dX.u around 0 63.0%
Simplified62.9%
Taylor expanded in dY.u around 0 59.8%
*-commutative59.8%
unpow259.8%
unpow259.8%
swap-sqr59.8%
unpow259.8%
Simplified59.8%
Taylor expanded in dX.v around 0 53.0%
Final simplification53.0%
herbie shell --seed 2024150
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (line direction, v)"
: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 (>= (+ (* (* (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 (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 h) dX.v)) (* (/ 1.0 (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 h) dY.v))))