
(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(((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_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 9 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(((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_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 h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* dX.u (floor w)))
(t_3 (pow t_2 2.0))
(t_4
(sqrt
(fmax
(+ (pow (* dX.v (floor h)) 2.0) t_3)
(+ (pow (* dY.v (floor h)) 2.0) (pow (* dY.u (floor w)) 2.0)))))
(t_5 (* (floor h) dY.v)))
(if (>= (+ t_3 (* t_0 t_0)) (+ (* t_1 t_1) (* t_5 t_5)))
(/ t_2 t_4)
(* (/ 1.0 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) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = dX_46_u * floorf(w);
float t_3 = powf(t_2, 2.0f);
float t_4 = sqrtf(fmaxf((powf((dX_46_v * floorf(h)), 2.0f) + t_3), (powf((dY_46_v * floorf(h)), 2.0f) + powf((dY_46_u * floorf(w)), 2.0f))));
float t_5 = floorf(h) * dY_46_v;
float tmp;
if ((t_3 + (t_0 * t_0)) >= ((t_1 * t_1) + (t_5 * t_5))) {
tmp = t_2 / t_4;
} else {
tmp = (1.0f / t_4) * 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(dX_46_u * floor(w)) t_3 = t_2 ^ Float32(2.0) t_4 = sqrt(((Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + t_3) != Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + t_3)) ? Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) : ((Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) != Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))) ? Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + t_3) : max(Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + t_3), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))))))) t_5 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32(t_3 + Float32(t_0 * t_0)) >= Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5))) tmp = Float32(t_2 / t_4); else tmp = Float32(Float32(Float32(1.0) / t_4) * 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 = dX_46_u * floor(w); t_3 = t_2 ^ single(2.0); t_4 = sqrt(max((((dX_46_v * floor(h)) ^ single(2.0)) + t_3), (((dY_46_v * floor(h)) ^ single(2.0)) + ((dY_46_u * floor(w)) ^ single(2.0))))); t_5 = floor(h) * dY_46_v; tmp = single(0.0); if ((t_3 + (t_0 * t_0)) >= ((t_1 * t_1) + (t_5 * t_5))) tmp = t_2 / t_4; else tmp = (single(1.0) / t_4) * 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 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_3 := {t\_2}^{2}\\
t_4 := \sqrt{\mathsf{max}\left({\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + t\_3, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)}\\
t_5 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;t\_3 + t\_0 \cdot t\_0 \geq t\_1 \cdot t\_1 + t\_5 \cdot t\_5:\\
\;\;\;\;\frac{t\_2}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{t\_4} \cdot t\_1\\
\end{array}
\end{array}
Initial program 71.2%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites71.4%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lower-pow.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3271.4
Applied rewrites71.4%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3271.4
Applied rewrites71.4%
Final simplification71.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* dY.u (floor w)) 2.0))
(t_1 (pow (* dY.v (floor h)) 2.0))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dX.v))
(t_4 (pow (* dX.v (floor h)) 2.0))
(t_5 (pow (* dX.u (floor w)) 2.0))
(t_6 (* (floor h) dY.v)))
(if (>= (+ t_5 (* t_3 t_3)) (+ (* t_2 t_2) (* t_6 t_6)))
(* dX.u (/ (floor w) (sqrt (fmax (+ t_5 t_4) (- t_0 t_1)))))
(* (/ 1.0 (sqrt (fmax (+ t_4 t_5) (+ t_1 t_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 = powf((dY_46_u * floorf(w)), 2.0f);
float t_1 = powf((dY_46_v * floorf(h)), 2.0f);
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dX_46_v;
float t_4 = powf((dX_46_v * floorf(h)), 2.0f);
float t_5 = powf((dX_46_u * floorf(w)), 2.0f);
float t_6 = floorf(h) * dY_46_v;
float tmp;
if ((t_5 + (t_3 * t_3)) >= ((t_2 * t_2) + (t_6 * t_6))) {
tmp = dX_46_u * (floorf(w) / sqrtf(fmaxf((t_5 + t_4), (t_0 - t_1))));
} else {
tmp = (1.0f / sqrtf(fmaxf((t_4 + t_5), (t_1 + t_0)))) * t_2;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_u * floor(w)) ^ Float32(2.0) t_1 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(dX_46_v * floor(h)) ^ Float32(2.0) t_5 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_6 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32(t_5 + Float32(t_3 * t_3)) >= Float32(Float32(t_2 * t_2) + Float32(t_6 * t_6))) tmp = Float32(dX_46_u * Float32(floor(w) / sqrt(((Float32(t_5 + t_4) != Float32(t_5 + t_4)) ? Float32(t_0 - t_1) : ((Float32(t_0 - t_1) != Float32(t_0 - t_1)) ? Float32(t_5 + t_4) : max(Float32(t_5 + t_4), Float32(t_0 - t_1))))))); else tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(t_4 + t_5) != Float32(t_4 + t_5)) ? Float32(t_1 + t_0) : ((Float32(t_1 + t_0) != Float32(t_1 + t_0)) ? Float32(t_4 + t_5) : max(Float32(t_4 + t_5), Float32(t_1 + t_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 = (dY_46_u * floor(w)) ^ single(2.0); t_1 = (dY_46_v * floor(h)) ^ single(2.0); t_2 = floor(w) * dY_46_u; t_3 = floor(h) * dX_46_v; t_4 = (dX_46_v * floor(h)) ^ single(2.0); t_5 = (dX_46_u * floor(w)) ^ single(2.0); t_6 = floor(h) * dY_46_v; tmp = single(0.0); if ((t_5 + (t_3 * t_3)) >= ((t_2 * t_2) + (t_6 * t_6))) tmp = dX_46_u * (floor(w) / sqrt(max((t_5 + t_4), (t_0 - t_1)))); else tmp = (single(1.0) / sqrt(max((t_4 + t_5), (t_1 + t_0)))) * t_2; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;t\_5 + t\_3 \cdot t\_3 \geq t\_2 \cdot t\_2 + t\_6 \cdot t\_6:\\
\;\;\;\;dX.u \cdot \frac{\left\lfloor w\right\rfloor }{\sqrt{\mathsf{max}\left(t\_5 + t\_4, t\_0 - t\_1\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_4 + t\_5, t\_1 + t\_0\right)}} \cdot t\_2\\
\end{array}
\end{array}
Initial program 71.2%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites71.4%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lower-pow.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3271.4
Applied rewrites71.4%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3271.4
Applied rewrites71.4%
Applied rewrites71.2%
Final simplification71.2%
(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 (* t_1 t_1))
(t_3 (pow (* dY.u (floor w)) 2.0))
(t_4 (* (floor h) dX.v))
(t_5 (* t_4 t_4))
(t_6 (pow (* dY.v (floor h)) 2.0))
(t_7 (* dX.u (floor w)))
(t_8 (pow t_7 2.0))
(t_9 (pow (* dX.v (floor h)) 2.0))
(t_10 (sqrt (fmax (+ t_9 t_8) (+ t_6 t_3))))
(t_11 (+ (* t_0 t_0) t_5))
(t_12 (* (floor h) dY.v)))
(if (<= dY.v 0.0003800000122282654)
(if (>= (+ t_8 t_9) (- t_3 t_6)) (/ t_7 t_10) (* (/ 1.0 t_10) t_1))
(if (>= (+ t_8 t_5) (* (* (pow (floor h) 2.0) dY.v) dY.v))
(*
(/
1.0
(sqrt (fmax t_11 (+ t_2 (exp (* (log (* (- dY.v) (floor h))) 2.0))))))
t_0)
(* (/ 1.0 (sqrt (fmax t_11 (+ t_2 (* t_12 t_12))))) 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(w) * dX_46_u;
float t_1 = floorf(w) * dY_46_u;
float t_2 = t_1 * t_1;
float t_3 = powf((dY_46_u * floorf(w)), 2.0f);
float t_4 = floorf(h) * dX_46_v;
float t_5 = t_4 * t_4;
float t_6 = powf((dY_46_v * floorf(h)), 2.0f);
float t_7 = dX_46_u * floorf(w);
float t_8 = powf(t_7, 2.0f);
float t_9 = powf((dX_46_v * floorf(h)), 2.0f);
float t_10 = sqrtf(fmaxf((t_9 + t_8), (t_6 + t_3)));
float t_11 = (t_0 * t_0) + t_5;
float t_12 = floorf(h) * dY_46_v;
float tmp_1;
if (dY_46_v <= 0.0003800000122282654f) {
float tmp_2;
if ((t_8 + t_9) >= (t_3 - t_6)) {
tmp_2 = t_7 / t_10;
} else {
tmp_2 = (1.0f / t_10) * t_1;
}
tmp_1 = tmp_2;
} else if ((t_8 + t_5) >= ((powf(floorf(h), 2.0f) * dY_46_v) * dY_46_v)) {
tmp_1 = (1.0f / sqrtf(fmaxf(t_11, (t_2 + expf((logf((-dY_46_v * floorf(h))) * 2.0f)))))) * t_0;
} else {
tmp_1 = (1.0f / sqrtf(fmaxf(t_11, (t_2 + (t_12 * t_12))))) * 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(w) * dX_46_u) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(t_1 * t_1) t_3 = Float32(dY_46_u * floor(w)) ^ Float32(2.0) t_4 = Float32(floor(h) * dX_46_v) t_5 = Float32(t_4 * t_4) t_6 = Float32(dY_46_v * floor(h)) ^ Float32(2.0) t_7 = Float32(dX_46_u * floor(w)) t_8 = t_7 ^ Float32(2.0) t_9 = Float32(dX_46_v * floor(h)) ^ Float32(2.0) t_10 = sqrt(((Float32(t_9 + t_8) != Float32(t_9 + t_8)) ? Float32(t_6 + t_3) : ((Float32(t_6 + t_3) != Float32(t_6 + t_3)) ? Float32(t_9 + t_8) : max(Float32(t_9 + t_8), Float32(t_6 + t_3))))) t_11 = Float32(Float32(t_0 * t_0) + t_5) t_12 = Float32(floor(h) * dY_46_v) tmp_1 = Float32(0.0) if (dY_46_v <= Float32(0.0003800000122282654)) tmp_2 = Float32(0.0) if (Float32(t_8 + t_9) >= Float32(t_3 - t_6)) tmp_2 = Float32(t_7 / t_10); else tmp_2 = Float32(Float32(Float32(1.0) / t_10) * t_1); end tmp_1 = tmp_2; elseif (Float32(t_8 + t_5) >= Float32(Float32((floor(h) ^ Float32(2.0)) * dY_46_v) * dY_46_v)) tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((t_11 != t_11) ? Float32(t_2 + exp(Float32(log(Float32(Float32(-dY_46_v) * floor(h))) * Float32(2.0)))) : ((Float32(t_2 + exp(Float32(log(Float32(Float32(-dY_46_v) * floor(h))) * Float32(2.0)))) != Float32(t_2 + exp(Float32(log(Float32(Float32(-dY_46_v) * floor(h))) * Float32(2.0))))) ? t_11 : max(t_11, Float32(t_2 + exp(Float32(log(Float32(Float32(-dY_46_v) * floor(h))) * Float32(2.0))))))))) * t_0); else tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((t_11 != t_11) ? Float32(t_2 + Float32(t_12 * t_12)) : ((Float32(t_2 + Float32(t_12 * t_12)) != Float32(t_2 + Float32(t_12 * t_12))) ? t_11 : max(t_11, Float32(t_2 + Float32(t_12 * t_12))))))) * t_1); 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_1 * t_1; t_3 = (dY_46_u * floor(w)) ^ single(2.0); t_4 = floor(h) * dX_46_v; t_5 = t_4 * t_4; t_6 = (dY_46_v * floor(h)) ^ single(2.0); t_7 = dX_46_u * floor(w); t_8 = t_7 ^ single(2.0); t_9 = (dX_46_v * floor(h)) ^ single(2.0); t_10 = sqrt(max((t_9 + t_8), (t_6 + t_3))); t_11 = (t_0 * t_0) + t_5; t_12 = floor(h) * dY_46_v; tmp_2 = single(0.0); if (dY_46_v <= single(0.0003800000122282654)) tmp_3 = single(0.0); if ((t_8 + t_9) >= (t_3 - t_6)) tmp_3 = t_7 / t_10; else tmp_3 = (single(1.0) / t_10) * t_1; end tmp_2 = tmp_3; elseif ((t_8 + t_5) >= (((floor(h) ^ single(2.0)) * dY_46_v) * dY_46_v)) tmp_2 = (single(1.0) / sqrt(max(t_11, (t_2 + exp((log((-dY_46_v * floor(h))) * single(2.0))))))) * t_0; else tmp_2 = (single(1.0) / sqrt(max(t_11, (t_2 + (t_12 * t_12))))) * t_1; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := t\_1 \cdot t\_1\\
t_3 := {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := t\_4 \cdot t\_4\\
t_6 := {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_7 := dX.u \cdot \left\lfloor w\right\rfloor \\
t_8 := {t\_7}^{2}\\
t_9 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_10 := \sqrt{\mathsf{max}\left(t\_9 + t\_8, t\_6 + t\_3\right)}\\
t_11 := t\_0 \cdot t\_0 + t\_5\\
t_12 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;dY.v \leq 0.0003800000122282654:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_8 + t\_9 \geq t\_3 - t\_6:\\
\;\;\;\;\frac{t\_7}{t\_10}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{t\_10} \cdot t\_1\\
\end{array}\\
\mathbf{elif}\;t\_8 + t\_5 \geq \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dY.v\right) \cdot dY.v:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_11, t\_2 + e^{\log \left(\left(-dY.v\right) \cdot \left\lfloor h\right\rfloor \right) \cdot 2}\right)}} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_11, t\_2 + t\_12 \cdot t\_12\right)}} \cdot t\_1\\
\end{array}
\end{array}
if dY.v < 3.80000012e-4Initial program 73.2%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites73.3%
lift-+.f32N/A
lift-*.f32N/A
pow2N/A
lower-pow.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f32N/A
+-commutativeN/A
lift-+.f3273.3
Applied rewrites73.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3273.3
Applied rewrites73.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3273.3
lift-+.f32N/A
lift-*.f32N/A
fp-cancel-sign-sub-invN/A
fp-cancel-sub-sign-invN/A
unpow1N/A
metadata-evalN/A
sqrt-pow1N/A
Applied rewrites64.2%
if 3.80000012e-4 < dY.v Initial program 67.0%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.8
Applied rewrites64.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3264.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3264.8
Applied rewrites64.8%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3267.9
Applied rewrites67.9%
Final simplification65.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor h) dX.v))
(t_2 (+ (* t_0 t_0) (* t_1 t_1)))
(t_3 (* (* (pow (floor h) 2.0) dY.v) dY.v))
(t_4 (* (floor w) dY.u))
(t_5 (pow (* dX.u (floor w)) 2.0))
(t_6 (* (floor h) dY.v))
(t_7 (* t_6 t_6))
(t_8 (/ 1.0 (sqrt (fmax t_2 (+ (* t_4 t_4) t_7)))))
(t_9 (* t_8 t_4)))
(if (<= dY.u -65000000.0)
(if (>= (+ t_5 (exp (* (log (* (- dX.v) (floor h))) 2.0))) t_3)
(* t_8 t_0)
t_9)
(if (>= (+ t_5 (pow (* dX.v (floor h)) 2.0)) t_3)
(*
(/
1.0
(sqrt (fmax t_2 (+ (exp (* (log (* (- dY.u) (floor w))) 2.0)) t_7))))
t_0)
t_9))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = floorf(h) * dX_46_v;
float t_2 = (t_0 * t_0) + (t_1 * t_1);
float t_3 = (powf(floorf(h), 2.0f) * dY_46_v) * dY_46_v;
float t_4 = floorf(w) * dY_46_u;
float t_5 = powf((dX_46_u * floorf(w)), 2.0f);
float t_6 = floorf(h) * dY_46_v;
float t_7 = t_6 * t_6;
float t_8 = 1.0f / sqrtf(fmaxf(t_2, ((t_4 * t_4) + t_7)));
float t_9 = t_8 * t_4;
float tmp_1;
if (dY_46_u <= -65000000.0f) {
float tmp_2;
if ((t_5 + expf((logf((-dX_46_v * floorf(h))) * 2.0f))) >= t_3) {
tmp_2 = t_8 * t_0;
} else {
tmp_2 = t_9;
}
tmp_1 = tmp_2;
} else if ((t_5 + powf((dX_46_v * floorf(h)), 2.0f)) >= t_3) {
tmp_1 = (1.0f / sqrtf(fmaxf(t_2, (expf((logf((-dY_46_u * floorf(w))) * 2.0f)) + t_7)))) * t_0;
} else {
tmp_1 = t_9;
}
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) * dX_46_v) t_2 = Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) t_3 = Float32(Float32((floor(h) ^ Float32(2.0)) * dY_46_v) * dY_46_v) t_4 = Float32(floor(w) * dY_46_u) t_5 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(t_6 * t_6) t_8 = Float32(Float32(1.0) / sqrt(((t_2 != t_2) ? Float32(Float32(t_4 * t_4) + t_7) : ((Float32(Float32(t_4 * t_4) + t_7) != Float32(Float32(t_4 * t_4) + t_7)) ? t_2 : max(t_2, Float32(Float32(t_4 * t_4) + t_7)))))) t_9 = Float32(t_8 * t_4) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(-65000000.0)) tmp_2 = Float32(0.0) if (Float32(t_5 + exp(Float32(log(Float32(Float32(-dX_46_v) * floor(h))) * Float32(2.0)))) >= t_3) tmp_2 = Float32(t_8 * t_0); else tmp_2 = t_9; end tmp_1 = tmp_2; elseif (Float32(t_5 + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) >= t_3) tmp_1 = Float32(Float32(Float32(1.0) / sqrt(((t_2 != t_2) ? Float32(exp(Float32(log(Float32(Float32(-dY_46_u) * floor(w))) * Float32(2.0))) + t_7) : ((Float32(exp(Float32(log(Float32(Float32(-dY_46_u) * floor(w))) * Float32(2.0))) + t_7) != Float32(exp(Float32(log(Float32(Float32(-dY_46_u) * floor(w))) * Float32(2.0))) + t_7)) ? t_2 : max(t_2, Float32(exp(Float32(log(Float32(Float32(-dY_46_u) * floor(w))) * Float32(2.0))) + t_7)))))) * t_0); else tmp_1 = t_9; 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) * dX_46_v; t_2 = (t_0 * t_0) + (t_1 * t_1); t_3 = ((floor(h) ^ single(2.0)) * dY_46_v) * dY_46_v; t_4 = floor(w) * dY_46_u; t_5 = (dX_46_u * floor(w)) ^ single(2.0); t_6 = floor(h) * dY_46_v; t_7 = t_6 * t_6; t_8 = single(1.0) / sqrt(max(t_2, ((t_4 * t_4) + t_7))); t_9 = t_8 * t_4; tmp_2 = single(0.0); if (dY_46_u <= single(-65000000.0)) tmp_3 = single(0.0); if ((t_5 + exp((log((-dX_46_v * floor(h))) * single(2.0)))) >= t_3) tmp_3 = t_8 * t_0; else tmp_3 = t_9; end tmp_2 = tmp_3; elseif ((t_5 + ((dX_46_v * floor(h)) ^ single(2.0))) >= t_3) tmp_2 = (single(1.0) / sqrt(max(t_2, (exp((log((-dY_46_u * floor(w))) * single(2.0))) + t_7)))) * t_0; else tmp_2 = t_9; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_2 := t\_0 \cdot t\_0 + t\_1 \cdot t\_1\\
t_3 := \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dY.v\right) \cdot dY.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_6 \cdot t\_6\\
t_8 := \frac{1}{\sqrt{\mathsf{max}\left(t\_2, t\_4 \cdot t\_4 + t\_7\right)}}\\
t_9 := t\_8 \cdot t\_4\\
\mathbf{if}\;dY.u \leq -65000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_5 + e^{\log \left(\left(-dX.v\right) \cdot \left\lfloor h\right\rfloor \right) \cdot 2} \geq t\_3:\\
\;\;\;\;t\_8 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}\\
\mathbf{elif}\;t\_5 + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} \geq t\_3:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_2, e^{\log \left(\left(-dY.u\right) \cdot \left\lfloor w\right\rfloor \right) \cdot 2} + t\_7\right)}} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_9\\
\end{array}
\end{array}
if dY.u < -6.5e7Initial program 58.9%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3233.2
Applied rewrites33.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3233.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3233.2
Applied rewrites33.2%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3235.4
Applied rewrites35.4%
if -6.5e7 < dY.u Initial program 73.9%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3266.2
Applied rewrites66.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3266.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3266.2
Applied rewrites66.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3266.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3266.2
Applied rewrites66.2%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3268.2
Applied rewrites68.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* t_1 t_1))
(t_3 (* t_0 t_0))
(t_4 (* (floor w) dX.u))
(t_5 (+ (* t_4 t_4) t_3))
(t_6 (* (floor h) dY.v)))
(if (>=
(+ (pow (* dX.u (floor w)) 2.0) t_3)
(* (* (pow (floor h) 2.0) dY.v) dY.v))
(*
(/
1.0
(sqrt (fmax t_5 (+ t_2 (exp (* (log (* (- dY.v) (floor h))) 2.0))))))
t_4)
(* (/ 1.0 (sqrt (fmax t_5 (+ t_2 (* t_6 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 = t_1 * t_1;
float t_3 = t_0 * t_0;
float t_4 = floorf(w) * dX_46_u;
float t_5 = (t_4 * t_4) + t_3;
float t_6 = floorf(h) * dY_46_v;
float tmp;
if ((powf((dX_46_u * floorf(w)), 2.0f) + t_3) >= ((powf(floorf(h), 2.0f) * dY_46_v) * dY_46_v)) {
tmp = (1.0f / sqrtf(fmaxf(t_5, (t_2 + expf((logf((-dY_46_v * floorf(h))) * 2.0f)))))) * t_4;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_5, (t_2 + (t_6 * 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(t_1 * t_1) t_3 = Float32(t_0 * t_0) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(Float32(t_4 * t_4) + t_3) t_6 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + t_3) >= Float32(Float32((floor(h) ^ Float32(2.0)) * dY_46_v) * dY_46_v)) tmp = Float32(Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_2 + exp(Float32(log(Float32(Float32(-dY_46_v) * floor(h))) * Float32(2.0)))) : ((Float32(t_2 + exp(Float32(log(Float32(Float32(-dY_46_v) * floor(h))) * Float32(2.0)))) != Float32(t_2 + exp(Float32(log(Float32(Float32(-dY_46_v) * floor(h))) * Float32(2.0))))) ? t_5 : max(t_5, Float32(t_2 + exp(Float32(log(Float32(Float32(-dY_46_v) * floor(h))) * Float32(2.0))))))))) * t_4); else tmp = Float32(Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_2 + Float32(t_6 * t_6)) : ((Float32(t_2 + Float32(t_6 * t_6)) != Float32(t_2 + Float32(t_6 * t_6))) ? t_5 : max(t_5, Float32(t_2 + Float32(t_6 * 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 = t_1 * t_1; t_3 = t_0 * t_0; t_4 = floor(w) * dX_46_u; t_5 = (t_4 * t_4) + t_3; t_6 = floor(h) * dY_46_v; tmp = single(0.0); if ((((dX_46_u * floor(w)) ^ single(2.0)) + t_3) >= (((floor(h) ^ single(2.0)) * dY_46_v) * dY_46_v)) tmp = (single(1.0) / sqrt(max(t_5, (t_2 + exp((log((-dY_46_v * floor(h))) * single(2.0))))))) * t_4; else tmp = (single(1.0) / sqrt(max(t_5, (t_2 + (t_6 * 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 := t\_1 \cdot t\_1\\
t_3 := t\_0 \cdot t\_0\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4 + t\_3\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;{\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + t\_3 \geq \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dY.v\right) \cdot dY.v:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_2 + e^{\log \left(\left(-dY.v\right) \cdot \left\lfloor h\right\rfloor \right) \cdot 2}\right)}} \cdot t\_4\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_2 + t\_6 \cdot t\_6\right)}} \cdot t\_1\\
\end{array}
\end{array}
Initial program 71.2%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3261.6
Applied rewrites61.6%
(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 (* t_1 t_1))
(t_3 (* (floor h) dX.v))
(t_4 (+ (* t_0 t_0) (* t_3 t_3)))
(t_5 (* (floor w) dY.u)))
(if (>=
(+ (pow (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0))
(* (* (pow (floor h) 2.0) dY.v) dY.v))
(*
(/
1.0
(sqrt (fmax t_4 (+ (exp (* (log (* (- dY.u) (floor w))) 2.0)) t_2))))
t_0)
(* (/ 1.0 (sqrt (fmax t_4 (+ (* t_5 t_5) t_2)))) 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 = t_1 * t_1;
float t_3 = floorf(h) * dX_46_v;
float t_4 = (t_0 * t_0) + (t_3 * t_3);
float t_5 = floorf(w) * dY_46_u;
float tmp;
if ((powf((dX_46_u * floorf(w)), 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)) >= ((powf(floorf(h), 2.0f) * dY_46_v) * dY_46_v)) {
tmp = (1.0f / sqrtf(fmaxf(t_4, (expf((logf((-dY_46_u * floorf(w))) * 2.0f)) + t_2)))) * t_0;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_4, ((t_5 * t_5) + t_2)))) * t_5;
}
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 = Float32(floor(h) * dY_46_v) t_2 = Float32(t_1 * t_1) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) t_5 = Float32(floor(w) * dY_46_u) tmp = Float32(0.0) if (Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) >= Float32(Float32((floor(h) ^ Float32(2.0)) * dY_46_v) * dY_46_v)) tmp = Float32(Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? Float32(exp(Float32(log(Float32(Float32(-dY_46_u) * floor(w))) * Float32(2.0))) + t_2) : ((Float32(exp(Float32(log(Float32(Float32(-dY_46_u) * floor(w))) * Float32(2.0))) + t_2) != Float32(exp(Float32(log(Float32(Float32(-dY_46_u) * floor(w))) * Float32(2.0))) + t_2)) ? t_4 : max(t_4, Float32(exp(Float32(log(Float32(Float32(-dY_46_u) * floor(w))) * Float32(2.0))) + t_2)))))) * t_0); else tmp = Float32(Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? Float32(Float32(t_5 * t_5) + t_2) : ((Float32(Float32(t_5 * t_5) + t_2) != Float32(Float32(t_5 * t_5) + t_2)) ? t_4 : max(t_4, Float32(Float32(t_5 * t_5) + t_2)))))) * t_5); 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 = floor(h) * dY_46_v; t_2 = t_1 * t_1; t_3 = floor(h) * dX_46_v; t_4 = (t_0 * t_0) + (t_3 * t_3); t_5 = floor(w) * dY_46_u; tmp = single(0.0); if ((((dX_46_u * floor(w)) ^ single(2.0)) + ((dX_46_v * floor(h)) ^ single(2.0))) >= (((floor(h) ^ single(2.0)) * dY_46_v) * dY_46_v)) tmp = (single(1.0) / sqrt(max(t_4, (exp((log((-dY_46_u * floor(w))) * single(2.0))) + t_2)))) * t_0; else tmp = (single(1.0) / sqrt(max(t_4, ((t_5 * t_5) + t_2)))) * t_5; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := t\_1 \cdot t\_1\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := t\_0 \cdot t\_0 + t\_3 \cdot t\_3\\
t_5 := \left\lfloor w\right\rfloor \cdot dY.u\\
\mathbf{if}\;{\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} \geq \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dY.v\right) \cdot dY.v:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_4, e^{\log \left(\left(-dY.u\right) \cdot \left\lfloor w\right\rfloor \right) \cdot 2} + t\_2\right)}} \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_4, t\_5 \cdot t\_5 + t\_2\right)}} \cdot t\_5\\
\end{array}
\end{array}
Initial program 71.2%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3261.9
Applied rewrites61.9%
(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 (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0)))
(t_3 (* (floor h) dX.v))
(t_4 (* (floor w) dY.u)))
(if (>= t_2 (* (* (pow (floor h) 2.0) dY.v) dY.v))
(*
(/
1.0
(sqrt
(fmax
t_2
(- (pow (* dY.u (floor w)) 2.0) (pow (* dY.v (floor h)) 2.0)))))
t_1)
(*
(/
1.0
(sqrt (fmax (+ (* t_1 t_1) (* t_3 t_3)) (+ (* t_4 t_4) (* t_0 t_0)))))
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) * dY_46_v;
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf((dX_46_u * floorf(w)), 2.0f) + powf((dX_46_v * floorf(h)), 2.0f);
float t_3 = floorf(h) * dX_46_v;
float t_4 = floorf(w) * dY_46_u;
float tmp;
if (t_2 >= ((powf(floorf(h), 2.0f) * dY_46_v) * dY_46_v)) {
tmp = (1.0f / sqrtf(fmaxf(t_2, (powf((dY_46_u * floorf(w)), 2.0f) - powf((dY_46_v * floorf(h)), 2.0f))))) * t_1;
} else {
tmp = (1.0f / sqrtf(fmaxf(((t_1 * t_1) + (t_3 * t_3)), ((t_4 * t_4) + (t_0 * t_0))))) * 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) * dY_46_v) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(floor(w) * dY_46_u) tmp = Float32(0.0) if (t_2 >= Float32(Float32((floor(h) ^ Float32(2.0)) * dY_46_v) * dY_46_v)) tmp = Float32(Float32(Float32(1.0) / sqrt(((t_2 != t_2) ? Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) - (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) : ((Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) - (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) != Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) - (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))) ? t_2 : max(t_2, Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) - (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))))))) * t_1); else tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)) != Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3))) ? Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) : ((Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0)) != Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)) : max(Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)), Float32(Float32(t_4 * t_4) + Float32(t_0 * t_0))))))) * 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) * dY_46_v; t_1 = floor(w) * dX_46_u; t_2 = ((dX_46_u * floor(w)) ^ single(2.0)) + ((dX_46_v * floor(h)) ^ single(2.0)); t_3 = floor(h) * dX_46_v; t_4 = floor(w) * dY_46_u; tmp = single(0.0); if (t_2 >= (((floor(h) ^ single(2.0)) * dY_46_v) * dY_46_v)) tmp = (single(1.0) / sqrt(max(t_2, (((dY_46_u * floor(w)) ^ single(2.0)) - ((dY_46_v * floor(h)) ^ single(2.0)))))) * t_1; else tmp = (single(1.0) / sqrt(max(((t_1 * t_1) + (t_3 * t_3)), ((t_4 * t_4) + (t_0 * t_0))))) * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
\mathbf{if}\;t\_2 \geq \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dY.v\right) \cdot dY.v:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_2, {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} - {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_1 \cdot t\_1 + t\_3 \cdot t\_3, t\_4 \cdot t\_4 + t\_0 \cdot t\_0\right)}} \cdot t\_4\\
\end{array}
\end{array}
Initial program 71.2%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
Applied rewrites60.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor h) dY.v))
(t_2 (* t_1 t_1))
(t_3 (* (floor w) dX.u))
(t_4 (+ (* t_3 t_3) (* t_0 t_0)))
(t_5 (* (floor w) dY.u)))
(if (>=
(+ (pow (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0))
(* (* (pow (floor h) 2.0) dY.v) dY.v))
(*
(/ 1.0 (sqrt (fmax t_4 (+ (* (* (pow (floor w) 2.0) dY.u) dY.u) t_2))))
t_3)
(* (/ 1.0 (sqrt (fmax t_4 (+ (* t_5 t_5) t_2)))) 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(h) * dX_46_v;
float t_1 = floorf(h) * dY_46_v;
float t_2 = t_1 * t_1;
float t_3 = floorf(w) * dX_46_u;
float t_4 = (t_3 * t_3) + (t_0 * t_0);
float t_5 = floorf(w) * dY_46_u;
float tmp;
if ((powf((dX_46_u * floorf(w)), 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)) >= ((powf(floorf(h), 2.0f) * dY_46_v) * dY_46_v)) {
tmp = (1.0f / sqrtf(fmaxf(t_4, (((powf(floorf(w), 2.0f) * dY_46_u) * dY_46_u) + t_2)))) * t_3;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_4, ((t_5 * t_5) + t_2)))) * t_5;
}
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(h) * dY_46_v) t_2 = Float32(t_1 * t_1) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) t_5 = Float32(floor(w) * dY_46_u) tmp = Float32(0.0) if (Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) >= Float32(Float32((floor(h) ^ Float32(2.0)) * dY_46_v) * dY_46_v)) tmp = Float32(Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dY_46_u) * dY_46_u) + t_2) : ((Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dY_46_u) * dY_46_u) + t_2) != Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dY_46_u) * dY_46_u) + t_2)) ? t_4 : max(t_4, Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dY_46_u) * dY_46_u) + t_2)))))) * t_3); else tmp = Float32(Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? Float32(Float32(t_5 * t_5) + t_2) : ((Float32(Float32(t_5 * t_5) + t_2) != Float32(Float32(t_5 * t_5) + t_2)) ? t_4 : max(t_4, Float32(Float32(t_5 * t_5) + t_2)))))) * t_5); 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(h) * dY_46_v; t_2 = t_1 * t_1; t_3 = floor(w) * dX_46_u; t_4 = (t_3 * t_3) + (t_0 * t_0); t_5 = floor(w) * dY_46_u; tmp = single(0.0); if ((((dX_46_u * floor(w)) ^ single(2.0)) + ((dX_46_v * floor(h)) ^ single(2.0))) >= (((floor(h) ^ single(2.0)) * dY_46_v) * dY_46_v)) tmp = (single(1.0) / sqrt(max(t_4, ((((floor(w) ^ single(2.0)) * dY_46_u) * dY_46_u) + t_2)))) * t_3; else tmp = (single(1.0) / sqrt(max(t_4, ((t_5 * t_5) + t_2)))) * t_5; 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 h\right\rfloor \cdot dY.v\\
t_2 := t\_1 \cdot t\_1\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := t\_3 \cdot t\_3 + t\_0 \cdot t\_0\\
t_5 := \left\lfloor w\right\rfloor \cdot dY.u\\
\mathbf{if}\;{\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} \geq \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dY.v\right) \cdot dY.v:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_4, \left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot dY.u\right) \cdot dY.u + t\_2\right)}} \cdot t\_3\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_4, t\_5 \cdot t\_5 + t\_2\right)}} \cdot t\_5\\
\end{array}
\end{array}
Initial program 71.2%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-*.f3260.2
Applied rewrites60.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4
(/
1.0
(sqrt
(fmax (+ (* t_3 t_3) (* t_0 t_0)) (+ (* t_1 t_1) (* t_2 t_2)))))))
(if (>=
(+ (pow (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0))
(pow (* dY.v (floor h)) 2.0))
(* t_4 t_3)
(* 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) * 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 = 1.0f / sqrtf(fmaxf(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2))));
float tmp;
if ((powf((dX_46_u * floorf(w)), 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)) >= powf((dY_46_v * floorf(h)), 2.0f)) {
tmp = t_4 * t_3;
} else {
tmp = t_4 * 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(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(Float32(1.0) / sqrt(((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_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)), Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))))))) tmp = Float32(0.0) if (Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) >= (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) tmp = Float32(t_4 * t_3); else tmp = Float32(t_4 * 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(h) * dY_46_v; t_3 = floor(w) * dX_46_u; t_4 = single(1.0) / sqrt(max(((t_3 * t_3) + (t_0 * t_0)), ((t_1 * t_1) + (t_2 * t_2)))); tmp = single(0.0); if ((((dX_46_u * floor(w)) ^ single(2.0)) + ((dX_46_v * floor(h)) ^ single(2.0))) >= ((dY_46_v * floor(h)) ^ single(2.0))) tmp = t_4 * t_3; else tmp = t_4 * 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 h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \frac{1}{\sqrt{\mathsf{max}\left(t\_3 \cdot t\_3 + t\_0 \cdot t\_0, t\_1 \cdot t\_1 + t\_2 \cdot t\_2\right)}}\\
\mathbf{if}\;{\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} \geq {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}:\\
\;\;\;\;t\_4 \cdot t\_3\\
\mathbf{else}:\\
\;\;\;\;t\_4 \cdot t\_1\\
\end{array}
\end{array}
Initial program 71.2%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3260.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3260.2
Applied rewrites60.2%
Applied rewrites60.2%
herbie shell --seed 2024329
(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))))