
(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_2) (* t_6 t_1))))
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_2;
} else {
tmp = t_6 * t_1;
}
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(fmax(t_3, t_5))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_2); else tmp = Float32(t_6 * t_1); 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_2; else tmp = t_6 * t_1; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\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\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 8 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_2) (* t_6 t_1))))
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_2;
} else {
tmp = t_6 * t_1;
}
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(fmax(t_3, t_5))) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_6 * t_2); else tmp = Float32(t_6 * t_1); 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_2; else tmp = t_6 * t_1; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\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\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) (floor w)))
(t_1 (* (floor h) (floor h)))
(t_2 (fma (* t_0 dY.u) dY.u (* (* dY.v dY.v) t_1)))
(t_3 (fma (* t_0 dX.u) dX.u (* t_1 (* dX.v dX.v))))
(t_4 (* (floor w) dY.u)))
(if (>= t_3 t_2)
(/ (* (floor w) dX.u) (sqrt (fmax t_3 t_2)))
(/
t_4
(sqrt
(fmax t_3 (fma t_4 t_4 (* (* (* (floor h) dY.v) dY.v) (floor h)))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * floorf(w);
float t_1 = floorf(h) * floorf(h);
float t_2 = fmaf((t_0 * dY_46_u), dY_46_u, ((dY_46_v * dY_46_v) * t_1));
float t_3 = fmaf((t_0 * dX_46_u), dX_46_u, (t_1 * (dX_46_v * dX_46_v)));
float t_4 = floorf(w) * dY_46_u;
float tmp;
if (t_3 >= t_2) {
tmp = (floorf(w) * dX_46_u) / sqrtf(fmaxf(t_3, t_2));
} else {
tmp = t_4 / sqrtf(fmaxf(t_3, fmaf(t_4, t_4, (((floorf(h) * dY_46_v) * dY_46_v) * floorf(h)))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * floor(w)) t_1 = Float32(floor(h) * floor(h)) t_2 = fma(Float32(t_0 * dY_46_u), dY_46_u, Float32(Float32(dY_46_v * dY_46_v) * t_1)) t_3 = fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(t_1 * Float32(dX_46_v * dX_46_v))) t_4 = Float32(floor(w) * dY_46_u) tmp = Float32(0.0) if (t_3 >= t_2) tmp = Float32(Float32(floor(w) * dX_46_u) / sqrt(fmax(t_3, t_2))); else tmp = Float32(t_4 / sqrt(fmax(t_3, fma(t_4, t_4, Float32(Float32(Float32(floor(h) * dY_46_v) * dY_46_v) * floor(h)))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_1 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_2 := \mathsf{fma}\left(t\_0 \cdot dY.u, dY.u, \left(dY.v \cdot dY.v\right) \cdot t\_1\right)\\
t_3 := \mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, t\_1 \cdot \left(dX.v \cdot dX.v\right)\right)\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;\frac{\left\lfloor w\right\rfloor \cdot dX.u}{\sqrt{\mathsf{max}\left(t\_3, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_3, \mathsf{fma}\left(t\_4, t\_4, \left(\left(\left\lfloor h\right\rfloor \cdot dY.v\right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right)\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.1%
Applied rewrites78.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (floor h)))
(t_1 (* (floor w) (floor w)))
(t_2 (fma (* t_1 dY.u) dY.u (* (* dY.v dY.v) t_0)))
(t_3 (fma (* t_1 dX.u) dX.u (* t_0 (* dX.v dX.v)))))
(if (>= t_3 t_2)
(/ (* (floor w) dX.u) (sqrt (fmax t_3 t_2)))
(*
dY.u
(/
(floor w)
(sqrt
(fmax
(fma (* dX.v dX.v) t_0 (* (* dX.u dX.u) t_1))
(fma
(* dY.u dY.u)
t_1
(* (* (* (floor h) dY.v) dY.v) (floor h))))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * floorf(h);
float t_1 = floorf(w) * floorf(w);
float t_2 = fmaf((t_1 * dY_46_u), dY_46_u, ((dY_46_v * dY_46_v) * t_0));
float t_3 = fmaf((t_1 * dX_46_u), dX_46_u, (t_0 * (dX_46_v * dX_46_v)));
float tmp;
if (t_3 >= t_2) {
tmp = (floorf(w) * dX_46_u) / sqrtf(fmaxf(t_3, t_2));
} else {
tmp = dY_46_u * (floorf(w) / sqrtf(fmaxf(fmaf((dX_46_v * dX_46_v), t_0, ((dX_46_u * dX_46_u) * t_1)), fmaf((dY_46_u * dY_46_u), t_1, (((floorf(h) * dY_46_v) * dY_46_v) * floorf(h))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * floor(h)) t_1 = Float32(floor(w) * floor(w)) t_2 = fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(dY_46_v * dY_46_v) * t_0)) t_3 = fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(t_0 * Float32(dX_46_v * dX_46_v))) tmp = Float32(0.0) if (t_3 >= t_2) tmp = Float32(Float32(floor(w) * dX_46_u) / sqrt(fmax(t_3, t_2))); else tmp = Float32(dY_46_u * Float32(floor(w) / sqrt(fmax(fma(Float32(dX_46_v * dX_46_v), t_0, Float32(Float32(dX_46_u * dX_46_u) * t_1)), fma(Float32(dY_46_u * dY_46_u), t_1, Float32(Float32(Float32(floor(h) * dY_46_v) * dY_46_v) * floor(h))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_1 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_2 := \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, \left(dY.v \cdot dY.v\right) \cdot t\_0\right)\\
t_3 := \mathsf{fma}\left(t\_1 \cdot dX.u, dX.u, t\_0 \cdot \left(dX.v \cdot dX.v\right)\right)\\
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;\frac{\left\lfloor w\right\rfloor \cdot dX.u}{\sqrt{\mathsf{max}\left(t\_3, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.u \cdot \frac{\left\lfloor w\right\rfloor }{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(dX.v \cdot dX.v, t\_0, \left(dX.u \cdot dX.u\right) \cdot t\_1\right), \mathsf{fma}\left(dY.u \cdot dY.u, t\_1, \left(\left(\left\lfloor h\right\rfloor \cdot dY.v\right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right)\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.1%
Applied rewrites78.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (floor h)))
(t_1 (* dX.v (floor h)))
(t_2 (* (* dY.v dY.v) t_0))
(t_3 (* (floor w) (floor w)))
(t_4 (* (* dX.u dX.u) t_3)))
(if (>=
(fma (* t_3 dX.u) dX.u (* t_0 (* dX.v dX.v)))
(fma (* t_3 dY.u) dY.u t_2))
(*
dX.u
(/
(floor w)
(sqrt
(fmax
(fma (* t_1 dX.v) (floor h) t_4)
(fma (* (* (floor w) dY.u) dY.u) (floor w) t_2)))))
(*
dY.u
(/
(floor w)
(sqrt
(fmax
(fma (* t_1 (floor h)) dX.v t_4)
(fma
(* dY.u dY.u)
t_3
(* (* (* dY.v (floor h)) dY.v) (floor h))))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * floorf(h);
float t_1 = dX_46_v * floorf(h);
float t_2 = (dY_46_v * dY_46_v) * t_0;
float t_3 = floorf(w) * floorf(w);
float t_4 = (dX_46_u * dX_46_u) * t_3;
float tmp;
if (fmaf((t_3 * dX_46_u), dX_46_u, (t_0 * (dX_46_v * dX_46_v))) >= fmaf((t_3 * dY_46_u), dY_46_u, t_2)) {
tmp = dX_46_u * (floorf(w) / sqrtf(fmaxf(fmaf((t_1 * dX_46_v), floorf(h), t_4), fmaf(((floorf(w) * dY_46_u) * dY_46_u), floorf(w), t_2))));
} else {
tmp = dY_46_u * (floorf(w) / sqrtf(fmaxf(fmaf((t_1 * floorf(h)), dX_46_v, t_4), fmaf((dY_46_u * dY_46_u), t_3, (((dY_46_v * floorf(h)) * dY_46_v) * floorf(h))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * floor(h)) t_1 = Float32(dX_46_v * floor(h)) t_2 = Float32(Float32(dY_46_v * dY_46_v) * t_0) t_3 = Float32(floor(w) * floor(w)) t_4 = Float32(Float32(dX_46_u * dX_46_u) * t_3) tmp = Float32(0.0) if (fma(Float32(t_3 * dX_46_u), dX_46_u, Float32(t_0 * Float32(dX_46_v * dX_46_v))) >= fma(Float32(t_3 * dY_46_u), dY_46_u, t_2)) tmp = Float32(dX_46_u * Float32(floor(w) / sqrt(fmax(fma(Float32(t_1 * dX_46_v), floor(h), t_4), fma(Float32(Float32(floor(w) * dY_46_u) * dY_46_u), floor(w), t_2))))); else tmp = Float32(dY_46_u * Float32(floor(w) / sqrt(fmax(fma(Float32(t_1 * floor(h)), dX_46_v, t_4), fma(Float32(dY_46_u * dY_46_u), t_3, Float32(Float32(Float32(dY_46_v * floor(h)) * dY_46_v) * floor(h))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_1 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_2 := \left(dY.v \cdot dY.v\right) \cdot t\_0\\
t_3 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_4 := \left(dX.u \cdot dX.u\right) \cdot t\_3\\
\mathbf{if}\;\mathsf{fma}\left(t\_3 \cdot dX.u, dX.u, t\_0 \cdot \left(dX.v \cdot dX.v\right)\right) \geq \mathsf{fma}\left(t\_3 \cdot dY.u, dY.u, t\_2\right):\\
\;\;\;\;dX.u \cdot \frac{\left\lfloor w\right\rfloor }{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(t\_1 \cdot dX.v, \left\lfloor h\right\rfloor , t\_4\right), \mathsf{fma}\left(\left(\left\lfloor w\right\rfloor \cdot dY.u\right) \cdot dY.u, \left\lfloor w\right\rfloor , t\_2\right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.u \cdot \frac{\left\lfloor w\right\rfloor }{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(t\_1 \cdot \left\lfloor h\right\rfloor , dX.v, t\_4\right), \mathsf{fma}\left(dY.u \cdot dY.u, t\_3, \left(\left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right)\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.1%
Applied rewrites78.2%
Applied rewrites78.1%
Applied rewrites78.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (floor h)))
(t_1 (* (floor w) (floor w)))
(t_2 (fma (* t_1 dY.u) dY.u (* (* dY.v dY.v) t_0)))
(t_3 (fma (* t_1 dX.u) dX.u (* t_0 (* dX.v dX.v)))))
(if (>= t_3 t_2)
(*
dX.u
(/
(floor w)
(sqrt
(fmax
(fma (* dX.v dX.v) t_0 (* (* dX.u dX.u) t_1))
(fma (* dY.u dY.u) t_1 (* (* (* (floor h) dY.v) dY.v) (floor h)))))))
(/ (* (floor w) dY.u) (sqrt (fmax t_3 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) * floorf(h);
float t_1 = floorf(w) * floorf(w);
float t_2 = fmaf((t_1 * dY_46_u), dY_46_u, ((dY_46_v * dY_46_v) * t_0));
float t_3 = fmaf((t_1 * dX_46_u), dX_46_u, (t_0 * (dX_46_v * dX_46_v)));
float tmp;
if (t_3 >= t_2) {
tmp = dX_46_u * (floorf(w) / sqrtf(fmaxf(fmaf((dX_46_v * dX_46_v), t_0, ((dX_46_u * dX_46_u) * t_1)), fmaf((dY_46_u * dY_46_u), t_1, (((floorf(h) * dY_46_v) * dY_46_v) * floorf(h))))));
} else {
tmp = (floorf(w) * dY_46_u) / sqrtf(fmaxf(t_3, 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) * floor(h)) t_1 = Float32(floor(w) * floor(w)) t_2 = fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(dY_46_v * dY_46_v) * t_0)) t_3 = fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(t_0 * Float32(dX_46_v * dX_46_v))) tmp = Float32(0.0) if (t_3 >= t_2) tmp = Float32(dX_46_u * Float32(floor(w) / sqrt(fmax(fma(Float32(dX_46_v * dX_46_v), t_0, Float32(Float32(dX_46_u * dX_46_u) * t_1)), fma(Float32(dY_46_u * dY_46_u), t_1, Float32(Float32(Float32(floor(h) * dY_46_v) * dY_46_v) * floor(h))))))); else tmp = Float32(Float32(floor(w) * dY_46_u) / sqrt(fmax(t_3, t_2))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_1 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_2 := \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, \left(dY.v \cdot dY.v\right) \cdot t\_0\right)\\
t_3 := \mathsf{fma}\left(t\_1 \cdot dX.u, dX.u, t\_0 \cdot \left(dX.v \cdot dX.v\right)\right)\\
\mathbf{if}\;t\_3 \geq t\_2:\\
\;\;\;\;dX.u \cdot \frac{\left\lfloor w\right\rfloor }{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(dX.v \cdot dX.v, t\_0, \left(dX.u \cdot dX.u\right) \cdot t\_1\right), \mathsf{fma}\left(dY.u \cdot dY.u, t\_1, \left(\left(\left\lfloor h\right\rfloor \cdot dY.v\right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left\lfloor w\right\rfloor \cdot dY.u}{\sqrt{\mathsf{max}\left(t\_3, t\_2\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Applied rewrites78.1%
Applied rewrites78.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) (floor h)))
(t_1 (* (* (* (floor h) dY.v) dY.v) (floor h)))
(t_2 (* (floor w) (floor w)))
(t_3 (fma (* dY.u dY.u) t_2 t_1))
(t_4 (* (floor w) dY.u))
(t_5 (fma (* t_2 dX.u) dX.u (* t_0 (* dX.v dX.v))))
(t_6 (fma (* dX.v dX.v) t_0 (* (* dX.u dX.u) t_2)))
(t_7 (* (floor w) dX.u)))
(if (<= dY.v 100000.0)
(if (>= t_6 (* (* dY.u dY.u) t_2))
(/ t_7 (sqrt (fmax (fma (* dX.v dX.v) t_0 (* t_7 t_7)) t_3)))
(/ t_4 (sqrt (fmax t_6 t_3))))
(if (>= t_5 (* (* (* dY.v (floor h)) dY.v) (floor h)))
(/ t_7 (sqrt (fmax t_5 (fma (* t_2 dY.u) dY.u (* (* dY.v dY.v) t_0)))))
(/ t_4 (sqrt (fmax t_5 (fma t_4 t_4 t_1))))))))
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) * floorf(h);
float t_1 = ((floorf(h) * dY_46_v) * dY_46_v) * floorf(h);
float t_2 = floorf(w) * floorf(w);
float t_3 = fmaf((dY_46_u * dY_46_u), t_2, t_1);
float t_4 = floorf(w) * dY_46_u;
float t_5 = fmaf((t_2 * dX_46_u), dX_46_u, (t_0 * (dX_46_v * dX_46_v)));
float t_6 = fmaf((dX_46_v * dX_46_v), t_0, ((dX_46_u * dX_46_u) * t_2));
float t_7 = floorf(w) * dX_46_u;
float tmp_1;
if (dY_46_v <= 100000.0f) {
float tmp_2;
if (t_6 >= ((dY_46_u * dY_46_u) * t_2)) {
tmp_2 = t_7 / sqrtf(fmaxf(fmaf((dX_46_v * dX_46_v), t_0, (t_7 * t_7)), t_3));
} else {
tmp_2 = t_4 / sqrtf(fmaxf(t_6, t_3));
}
tmp_1 = tmp_2;
} else if (t_5 >= (((dY_46_v * floorf(h)) * dY_46_v) * floorf(h))) {
tmp_1 = t_7 / sqrtf(fmaxf(t_5, fmaf((t_2 * dY_46_u), dY_46_u, ((dY_46_v * dY_46_v) * t_0))));
} else {
tmp_1 = t_4 / sqrtf(fmaxf(t_5, fmaf(t_4, t_4, t_1)));
}
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) * floor(h)) t_1 = Float32(Float32(Float32(floor(h) * dY_46_v) * dY_46_v) * floor(h)) t_2 = Float32(floor(w) * floor(w)) t_3 = fma(Float32(dY_46_u * dY_46_u), t_2, t_1) t_4 = Float32(floor(w) * dY_46_u) t_5 = fma(Float32(t_2 * dX_46_u), dX_46_u, Float32(t_0 * Float32(dX_46_v * dX_46_v))) t_6 = fma(Float32(dX_46_v * dX_46_v), t_0, Float32(Float32(dX_46_u * dX_46_u) * t_2)) t_7 = Float32(floor(w) * dX_46_u) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(100000.0)) tmp_2 = Float32(0.0) if (t_6 >= Float32(Float32(dY_46_u * dY_46_u) * t_2)) tmp_2 = Float32(t_7 / sqrt(fmax(fma(Float32(dX_46_v * dX_46_v), t_0, Float32(t_7 * t_7)), t_3))); else tmp_2 = Float32(t_4 / sqrt(fmax(t_6, t_3))); end tmp_1 = tmp_2; elseif (t_5 >= Float32(Float32(Float32(dY_46_v * floor(h)) * dY_46_v) * floor(h))) tmp_1 = Float32(t_7 / sqrt(fmax(t_5, fma(Float32(t_2 * dY_46_u), dY_46_u, Float32(Float32(dY_46_v * dY_46_v) * t_0))))); else tmp_1 = Float32(t_4 / sqrt(fmax(t_5, fma(t_4, t_4, t_1)))); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_1 := \left(\left(\left\lfloor h\right\rfloor \cdot dY.v\right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \\
t_2 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_3 := \mathsf{fma}\left(dY.u \cdot dY.u, t\_2, t\_1\right)\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := \mathsf{fma}\left(t\_2 \cdot dX.u, dX.u, t\_0 \cdot \left(dX.v \cdot dX.v\right)\right)\\
t_6 := \mathsf{fma}\left(dX.v \cdot dX.v, t\_0, \left(dX.u \cdot dX.u\right) \cdot t\_2\right)\\
t_7 := \left\lfloor w\right\rfloor \cdot dX.u\\
\mathbf{if}\;dY.v \leq 100000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_6 \geq \left(dY.u \cdot dY.u\right) \cdot t\_2:\\
\;\;\;\;\frac{t\_7}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(dX.v \cdot dX.v, t\_0, t\_7 \cdot t\_7\right), t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_6, t\_3\right)}}\\
\end{array}\\
\mathbf{elif}\;t\_5 \geq \left(\left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor :\\
\;\;\;\;\frac{t\_7}{\sqrt{\mathsf{max}\left(t\_5, \mathsf{fma}\left(t\_2 \cdot dY.u, dY.u, \left(dY.v \cdot dY.v\right) \cdot t\_0\right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_5, \mathsf{fma}\left(t\_4, t\_4, t\_1\right)\right)}}\\
\end{array}
\end{array}
if dY.v < 1e5Initial program 82.3%
Taylor expanded in dY.u around inf
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3276.6
Applied rewrites76.6%
Applied rewrites76.7%
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
swap-sqrN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f3276.8
Applied rewrites76.8%
if 1e5 < dY.v Initial program 61.9%
Applied rewrites61.9%
Applied rewrites62.1%
Taylor expanded in dY.u around 0
Applied rewrites62.1%
Final simplification73.7%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (* (* (floor h) dY.v) dY.v) (floor h)))
(t_1 (* (floor w) (floor w)))
(t_2 (fma (* dY.u dY.u) t_1 t_0))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) (floor h)))
(t_5 (fma (* t_1 dX.u) dX.u (* t_4 (* dX.v dX.v))))
(t_6 (sqrt (fmax t_5 (fma (* t_1 dY.u) dY.u (* (* dY.v dY.v) t_4)))))
(t_7 (fma (* dX.v dX.v) t_4 (* (* dX.u dX.u) t_1)))
(t_8 (* (floor w) dX.u)))
(if (<= dY.v 50000.0)
(if (>= t_7 (* (* dY.u dY.u) t_1))
(/ t_8 (sqrt (fmax (fma (* dX.v dX.v) t_4 (* t_8 t_8)) t_2)))
(/ t_3 (sqrt (fmax t_7 t_2))))
(if (>= t_5 t_0) (/ t_8 t_6) (/ t_3 t_6)))))
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) * dY_46_v) * floorf(h);
float t_1 = floorf(w) * floorf(w);
float t_2 = fmaf((dY_46_u * dY_46_u), t_1, t_0);
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * floorf(h);
float t_5 = fmaf((t_1 * dX_46_u), dX_46_u, (t_4 * (dX_46_v * dX_46_v)));
float t_6 = sqrtf(fmaxf(t_5, fmaf((t_1 * dY_46_u), dY_46_u, ((dY_46_v * dY_46_v) * t_4))));
float t_7 = fmaf((dX_46_v * dX_46_v), t_4, ((dX_46_u * dX_46_u) * t_1));
float t_8 = floorf(w) * dX_46_u;
float tmp_1;
if (dY_46_v <= 50000.0f) {
float tmp_2;
if (t_7 >= ((dY_46_u * dY_46_u) * t_1)) {
tmp_2 = t_8 / sqrtf(fmaxf(fmaf((dX_46_v * dX_46_v), t_4, (t_8 * t_8)), t_2));
} else {
tmp_2 = t_3 / sqrtf(fmaxf(t_7, t_2));
}
tmp_1 = tmp_2;
} else if (t_5 >= t_0) {
tmp_1 = t_8 / t_6;
} else {
tmp_1 = t_3 / t_6;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(Float32(Float32(floor(h) * dY_46_v) * dY_46_v) * floor(h)) t_1 = Float32(floor(w) * floor(w)) t_2 = fma(Float32(dY_46_u * dY_46_u), t_1, t_0) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * floor(h)) t_5 = fma(Float32(t_1 * dX_46_u), dX_46_u, Float32(t_4 * Float32(dX_46_v * dX_46_v))) t_6 = sqrt(fmax(t_5, fma(Float32(t_1 * dY_46_u), dY_46_u, Float32(Float32(dY_46_v * dY_46_v) * t_4)))) t_7 = fma(Float32(dX_46_v * dX_46_v), t_4, Float32(Float32(dX_46_u * dX_46_u) * t_1)) t_8 = Float32(floor(w) * dX_46_u) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(50000.0)) tmp_2 = Float32(0.0) if (t_7 >= Float32(Float32(dY_46_u * dY_46_u) * t_1)) tmp_2 = Float32(t_8 / sqrt(fmax(fma(Float32(dX_46_v * dX_46_v), t_4, Float32(t_8 * t_8)), t_2))); else tmp_2 = Float32(t_3 / sqrt(fmax(t_7, t_2))); end tmp_1 = tmp_2; elseif (t_5 >= t_0) tmp_1 = Float32(t_8 / t_6); else tmp_1 = Float32(t_3 / t_6); end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left(\left(\left\lfloor h\right\rfloor \cdot dY.v\right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \\
t_1 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_2 := \mathsf{fma}\left(dY.u \cdot dY.u, t\_1, t\_0\right)\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_5 := \mathsf{fma}\left(t\_1 \cdot dX.u, dX.u, t\_4 \cdot \left(dX.v \cdot dX.v\right)\right)\\
t_6 := \sqrt{\mathsf{max}\left(t\_5, \mathsf{fma}\left(t\_1 \cdot dY.u, dY.u, \left(dY.v \cdot dY.v\right) \cdot t\_4\right)\right)}\\
t_7 := \mathsf{fma}\left(dX.v \cdot dX.v, t\_4, \left(dX.u \cdot dX.u\right) \cdot t\_1\right)\\
t_8 := \left\lfloor w\right\rfloor \cdot dX.u\\
\mathbf{if}\;dY.v \leq 50000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_7 \geq \left(dY.u \cdot dY.u\right) \cdot t\_1:\\
\;\;\;\;\frac{t\_8}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(dX.v \cdot dX.v, t\_4, t\_8 \cdot t\_8\right), t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{\sqrt{\mathsf{max}\left(t\_7, t\_2\right)}}\\
\end{array}\\
\mathbf{elif}\;t\_5 \geq t\_0:\\
\;\;\;\;\frac{t\_8}{t\_6}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_3}{t\_6}\\
\end{array}
\end{array}
if dY.v < 5e4Initial program 82.3%
Taylor expanded in dY.u around inf
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3276.6
Applied rewrites76.6%
Applied rewrites76.7%
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
swap-sqrN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f3276.8
Applied rewrites76.8%
if 5e4 < dY.v Initial program 61.9%
Applied rewrites61.9%
Taylor expanded in dY.u around 0
Applied rewrites61.9%
Final simplification73.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) (floor w)))
(t_1 (* (floor h) (floor h)))
(t_2 (fma (* dY.u dY.u) t_0 (* (* (* (floor h) dY.v) dY.v) (floor h))))
(t_3 (fma (* dX.v dX.v) t_1 (* (* dX.u dX.u) t_0)))
(t_4 (* (floor w) dX.u)))
(if (>= t_3 (* (* dY.u dY.u) t_0))
(/ t_4 (sqrt (fmax (fma (* dX.v dX.v) t_1 (* t_4 t_4)) t_2)))
(/ (* (floor w) dY.u) (sqrt (fmax t_3 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) * floorf(w);
float t_1 = floorf(h) * floorf(h);
float t_2 = fmaf((dY_46_u * dY_46_u), t_0, (((floorf(h) * dY_46_v) * dY_46_v) * floorf(h)));
float t_3 = fmaf((dX_46_v * dX_46_v), t_1, ((dX_46_u * dX_46_u) * t_0));
float t_4 = floorf(w) * dX_46_u;
float tmp;
if (t_3 >= ((dY_46_u * dY_46_u) * t_0)) {
tmp = t_4 / sqrtf(fmaxf(fmaf((dX_46_v * dX_46_v), t_1, (t_4 * t_4)), t_2));
} else {
tmp = (floorf(w) * dY_46_u) / sqrtf(fmaxf(t_3, 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) * floor(w)) t_1 = Float32(floor(h) * floor(h)) t_2 = fma(Float32(dY_46_u * dY_46_u), t_0, Float32(Float32(Float32(floor(h) * dY_46_v) * dY_46_v) * floor(h))) t_3 = fma(Float32(dX_46_v * dX_46_v), t_1, Float32(Float32(dX_46_u * dX_46_u) * t_0)) t_4 = Float32(floor(w) * dX_46_u) tmp = Float32(0.0) if (t_3 >= Float32(Float32(dY_46_u * dY_46_u) * t_0)) tmp = Float32(t_4 / sqrt(fmax(fma(Float32(dX_46_v * dX_46_v), t_1, Float32(t_4 * t_4)), t_2))); else tmp = Float32(Float32(floor(w) * dY_46_u) / sqrt(fmax(t_3, t_2))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_1 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_2 := \mathsf{fma}\left(dY.u \cdot dY.u, t\_0, \left(\left(\left\lfloor h\right\rfloor \cdot dY.v\right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right)\\
t_3 := \mathsf{fma}\left(dX.v \cdot dX.v, t\_1, \left(dX.u \cdot dX.u\right) \cdot t\_0\right)\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
\mathbf{if}\;t\_3 \geq \left(dY.u \cdot dY.u\right) \cdot t\_0:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(dX.v \cdot dX.v, t\_1, t\_4 \cdot t\_4\right), t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left\lfloor w\right\rfloor \cdot dY.u}{\sqrt{\mathsf{max}\left(t\_3, t\_2\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Taylor expanded in dY.u around inf
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3268.3
Applied rewrites68.3%
Applied rewrites68.3%
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
swap-sqrN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f3268.4
Applied rewrites68.4%
Final simplification68.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) (floor w)))
(t_1
(fma (* dX.v dX.v) (* (floor h) (floor h)) (* (* dX.u dX.u) t_0))))
(if (>= t_1 (* (* dY.u dY.u) t_0))
(/
(* (floor w) dX.u)
(sqrt
(fmax
t_1
(fma (* dY.u dY.u) t_0 (* (* (* (floor h) dY.v) dY.v) (floor h))))))
(/
(* (floor w) dY.u)
(sqrt
(fmax
t_1
(fma (* dY.u dY.u) t_0 (* (* (* dY.v dY.v) (floor h)) (floor h)))))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * floorf(w);
float t_1 = fmaf((dX_46_v * dX_46_v), (floorf(h) * floorf(h)), ((dX_46_u * dX_46_u) * t_0));
float tmp;
if (t_1 >= ((dY_46_u * dY_46_u) * t_0)) {
tmp = (floorf(w) * dX_46_u) / sqrtf(fmaxf(t_1, fmaf((dY_46_u * dY_46_u), t_0, (((floorf(h) * dY_46_v) * dY_46_v) * floorf(h)))));
} else {
tmp = (floorf(w) * dY_46_u) / sqrtf(fmaxf(t_1, fmaf((dY_46_u * dY_46_u), t_0, (((dY_46_v * dY_46_v) * floorf(h)) * floorf(h)))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * floor(w)) t_1 = fma(Float32(dX_46_v * dX_46_v), Float32(floor(h) * floor(h)), Float32(Float32(dX_46_u * dX_46_u) * t_0)) tmp = Float32(0.0) if (t_1 >= Float32(Float32(dY_46_u * dY_46_u) * t_0)) tmp = Float32(Float32(floor(w) * dX_46_u) / sqrt(fmax(t_1, fma(Float32(dY_46_u * dY_46_u), t_0, Float32(Float32(Float32(floor(h) * dY_46_v) * dY_46_v) * floor(h)))))); else tmp = Float32(Float32(floor(w) * dY_46_u) / sqrt(fmax(t_1, fma(Float32(dY_46_u * dY_46_u), t_0, Float32(Float32(Float32(dY_46_v * dY_46_v) * floor(h)) * floor(h)))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_1 := \mathsf{fma}\left(dX.v \cdot dX.v, \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor , \left(dX.u \cdot dX.u\right) \cdot t\_0\right)\\
\mathbf{if}\;t\_1 \geq \left(dY.u \cdot dY.u\right) \cdot t\_0:\\
\;\;\;\;\frac{\left\lfloor w\right\rfloor \cdot dX.u}{\sqrt{\mathsf{max}\left(t\_1, \mathsf{fma}\left(dY.u \cdot dY.u, t\_0, \left(\left(\left\lfloor h\right\rfloor \cdot dY.v\right) \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left\lfloor w\right\rfloor \cdot dY.u}{\sqrt{\mathsf{max}\left(t\_1, \mathsf{fma}\left(dY.u \cdot dY.u, t\_0, \left(\left(dY.v \cdot dY.v\right) \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor h\right\rfloor \right)\right)}}\\
\end{array}
\end{array}
Initial program 78.0%
Taylor expanded in dY.u around inf
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f3268.3
Applied rewrites68.3%
Applied rewrites68.3%
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f3268.3
Applied rewrites68.3%
Final simplification68.3%
herbie shell --seed 2025064
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (line direction, u)"
: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 w) dX.u)) (* (/ 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 w) dY.u))))