
(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(fmax(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\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\_0\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_4\\
\end{array}
\end{array}
Herbie found 7 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(fmax(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\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\_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
(fma
(* (* (floor w) (floor w)) dX.u)
dX.u
(* (* (floor h) (floor h)) (* dX.v dX.v))))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor w) dY.u))
(t_4 (* (* t_3 dY.u) (floor w)))
(t_5 (* dX.v (floor h)))
(t_6 (* (* t_5 dX.v) (floor h)))
(t_7 (+ (* t_2 t_2) (* t_0 t_0)))
(t_8 (* (floor h) dY.v))
(t_9 (+ (* t_3 t_3) (* t_8 t_8)))
(t_10 (* dY.v (floor h)))
(t_11 (fma (* t_10 dY.v) (floor h) t_4))
(t_12 (sqrt (fmax t_6 t_11)))
(t_13 (if (>= t_6 t_11) (/ t_5 t_12) (/ t_10 t_12)))
(t_14 (/ 1.0 (sqrt (fmax t_7 t_9))))
(t_15 (if (>= t_7 t_9) (* t_14 t_0) (* t_14 t_8)))
(t_16 (sqrt (fmax t_1 t_4))))
(if (<= t_15 -0.800000011920929)
t_13
(if (<= t_15 0.800000011920929)
(if (>= t_1 t_4) (/ t_0 t_16) (/ t_8 t_16))
t_13))))
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 = fmaf(((floorf(w) * floorf(w)) * dX_46_u), dX_46_u, ((floorf(h) * floorf(h)) * (dX_46_v * dX_46_v)));
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(w) * dY_46_u;
float t_4 = (t_3 * dY_46_u) * floorf(w);
float t_5 = dX_46_v * floorf(h);
float t_6 = (t_5 * dX_46_v) * floorf(h);
float t_7 = (t_2 * t_2) + (t_0 * t_0);
float t_8 = floorf(h) * dY_46_v;
float t_9 = (t_3 * t_3) + (t_8 * t_8);
float t_10 = dY_46_v * floorf(h);
float t_11 = fmaf((t_10 * dY_46_v), floorf(h), t_4);
float t_12 = sqrtf(fmaxf(t_6, t_11));
float tmp;
if (t_6 >= t_11) {
tmp = t_5 / t_12;
} else {
tmp = t_10 / t_12;
}
float t_13 = tmp;
float t_14 = 1.0f / sqrtf(fmaxf(t_7, t_9));
float tmp_1;
if (t_7 >= t_9) {
tmp_1 = t_14 * t_0;
} else {
tmp_1 = t_14 * t_8;
}
float t_15 = tmp_1;
float t_16 = sqrtf(fmaxf(t_1, t_4));
float tmp_2;
if (t_15 <= -0.800000011920929f) {
tmp_2 = t_13;
} else if (t_15 <= 0.800000011920929f) {
float tmp_3;
if (t_1 >= t_4) {
tmp_3 = t_0 / t_16;
} else {
tmp_3 = t_8 / t_16;
}
tmp_2 = tmp_3;
} else {
tmp_2 = t_13;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = fma(Float32(Float32(floor(w) * floor(w)) * dX_46_u), dX_46_u, Float32(Float32(floor(h) * floor(h)) * Float32(dX_46_v * dX_46_v))) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(Float32(t_3 * dY_46_u) * floor(w)) t_5 = Float32(dX_46_v * floor(h)) t_6 = Float32(Float32(t_5 * dX_46_v) * floor(h)) t_7 = Float32(Float32(t_2 * t_2) + Float32(t_0 * t_0)) t_8 = Float32(floor(h) * dY_46_v) t_9 = Float32(Float32(t_3 * t_3) + Float32(t_8 * t_8)) t_10 = Float32(dY_46_v * floor(h)) t_11 = fma(Float32(t_10 * dY_46_v), floor(h), t_4) t_12 = sqrt(fmax(t_6, t_11)) tmp = Float32(0.0) if (t_6 >= t_11) tmp = Float32(t_5 / t_12); else tmp = Float32(t_10 / t_12); end t_13 = tmp t_14 = Float32(Float32(1.0) / sqrt(fmax(t_7, t_9))) tmp_1 = Float32(0.0) if (t_7 >= t_9) tmp_1 = Float32(t_14 * t_0); else tmp_1 = Float32(t_14 * t_8); end t_15 = tmp_1 t_16 = sqrt(fmax(t_1, t_4)) tmp_2 = Float32(0.0) if (t_15 <= Float32(-0.800000011920929)) tmp_2 = t_13; elseif (t_15 <= Float32(0.800000011920929)) tmp_3 = Float32(0.0) if (t_1 >= t_4) tmp_3 = Float32(t_0 / t_16); else tmp_3 = Float32(t_8 / t_16); end tmp_2 = tmp_3; else tmp_2 = t_13; end return tmp_2 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \mathsf{fma}\left(\left(\left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u, dX.u, \left(\left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot \left(dX.v \cdot dX.v\right)\right)\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := \left(t\_3 \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \\
t_5 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_6 := \left(t\_5 \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \\
t_7 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_8 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_9 := t\_3 \cdot t\_3 + t\_8 \cdot t\_8\\
t_10 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_11 := \mathsf{fma}\left(t\_10 \cdot dY.v, \left\lfloor h\right\rfloor , t\_4\right)\\
t_12 := \sqrt{\mathsf{max}\left(t\_6, t\_11\right)}\\
t_13 := \begin{array}{l}
\mathbf{if}\;t\_6 \geq t\_11:\\
\;\;\;\;\frac{t\_5}{t\_12}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_10}{t\_12}\\
\end{array}\\
t_14 := \frac{1}{\sqrt{\mathsf{max}\left(t\_7, t\_9\right)}}\\
t_15 := \begin{array}{l}
\mathbf{if}\;t\_7 \geq t\_9:\\
\;\;\;\;t\_14 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_14 \cdot t\_8\\
\end{array}\\
t_16 := \sqrt{\mathsf{max}\left(t\_1, t\_4\right)}\\
\mathbf{if}\;t\_15 \leq -0.800000011920929:\\
\;\;\;\;t\_13\\
\mathbf{elif}\;t\_15 \leq 0.800000011920929:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_1 \geq t\_4:\\
\;\;\;\;\frac{t\_0}{t\_16}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_8}{t\_16}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_13\\
\end{array}
\end{array}
if (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) < -0.800000012 or 0.800000012 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) Initial program 99.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3299.4
Applied rewrites99.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3297.5
Applied rewrites97.5%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3297.5
Applied rewrites97.5%
Applied rewrites98.0%
if -0.800000012 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) < 0.800000012Initial program 63.1%
Applied rewrites63.2%
Taylor expanded in dY.u around inf
pow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f3263.2
Applied rewrites63.2%
Taylor expanded in dY.u around inf
pow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f3264.4
Applied rewrites64.4%
Taylor expanded in dY.u around inf
pow2N/A
associate-*r*N/A
unpow2N/A
associate-*r*N/A
*-commutativeN/A
lift-floor.f32N/A
lift-*.f32N/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lift-floor.f3263.3
Applied rewrites63.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) (floor w)))
(t_1 (fma (* (* dY.v (floor h)) (floor h)) dY.v (* (* dY.u dY.u) t_0)))
(t_2 (fma (* t_0 dX.u) dX.u (* (* (* dX.v (floor h)) dX.v) (floor h))))
(t_3 (sqrt (fmax t_2 t_1))))
(if (>= t_2 t_1) (/ (* (floor h) dX.v) 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 = floorf(w) * floorf(w);
float t_1 = fmaf(((dY_46_v * floorf(h)) * floorf(h)), dY_46_v, ((dY_46_u * dY_46_u) * t_0));
float t_2 = fmaf((t_0 * dX_46_u), dX_46_u, (((dX_46_v * floorf(h)) * dX_46_v) * floorf(h)));
float t_3 = sqrtf(fmaxf(t_2, t_1));
float tmp;
if (t_2 >= t_1) {
tmp = (floorf(h) * dX_46_v) / 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 = Float32(floor(w) * floor(w)) t_1 = fma(Float32(Float32(dY_46_v * floor(h)) * floor(h)), dY_46_v, Float32(Float32(dY_46_u * dY_46_u) * t_0)) t_2 = fma(Float32(t_0 * dX_46_u), dX_46_u, Float32(Float32(Float32(dX_46_v * floor(h)) * dX_46_v) * floor(h))) t_3 = sqrt(fmax(t_2, t_1)) tmp = Float32(0.0) if (t_2 >= t_1) tmp = Float32(Float32(floor(h) * dX_46_v) / t_3); else tmp = Float32(Float32(floor(h) * dY_46_v) / t_3); 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(\left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor h\right\rfloor , dY.v, \left(dY.u \cdot dY.u\right) \cdot t\_0\right)\\
t_2 := \mathsf{fma}\left(t\_0 \cdot dX.u, dX.u, \left(\left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \right)\\
t_3 := \sqrt{\mathsf{max}\left(t\_2, t\_1\right)}\\
\mathbf{if}\;t\_2 \geq t\_1:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor \cdot dX.v}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor \cdot dY.v}{t\_3}\\
\end{array}
\end{array}
Initial program 76.4%
Applied rewrites76.5%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
associate-*r*N/A
lift-*.f32N/A
lower-*.f3276.5
lift-*.f32N/A
*-commutativeN/A
lower-*.f3276.5
Applied rewrites76.5%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
associate-*r*N/A
lift-*.f32N/A
lower-*.f3276.5
lift-*.f32N/A
*-commutativeN/A
lower-*.f3276.5
Applied rewrites76.5%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
associate-*r*N/A
lift-*.f32N/A
lower-*.f3276.5
lift-*.f32N/A
*-commutativeN/A
lower-*.f3276.5
Applied rewrites76.5%
Applied rewrites76.5%
Applied rewrites76.5%
Applied rewrites76.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0
(fma
(* (* dY.v (floor h)) (floor h))
dY.v
(* (* (* (floor w) dY.u) dY.u) (floor w))))
(t_1
(fma
(* (* (floor w) (floor w)) dX.u)
dX.u
(* (* (floor h) (floor h)) (* dX.v dX.v))))
(t_2 (sqrt (fmax t_1 t_0))))
(if (>= t_1 t_0) (/ (* (floor h) dX.v) t_2) (/ (* (floor h) 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 = fmaf(((dY_46_v * floorf(h)) * floorf(h)), dY_46_v, (((floorf(w) * dY_46_u) * dY_46_u) * floorf(w)));
float t_1 = fmaf(((floorf(w) * floorf(w)) * dX_46_u), dX_46_u, ((floorf(h) * floorf(h)) * (dX_46_v * dX_46_v)));
float t_2 = sqrtf(fmaxf(t_1, t_0));
float tmp;
if (t_1 >= t_0) {
tmp = (floorf(h) * dX_46_v) / t_2;
} else {
tmp = (floorf(h) * 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 = fma(Float32(Float32(dY_46_v * floor(h)) * floor(h)), dY_46_v, Float32(Float32(Float32(floor(w) * dY_46_u) * dY_46_u) * floor(w))) t_1 = fma(Float32(Float32(floor(w) * floor(w)) * dX_46_u), dX_46_u, Float32(Float32(floor(h) * floor(h)) * Float32(dX_46_v * dX_46_v))) t_2 = sqrt(fmax(t_1, t_0)) tmp = Float32(0.0) if (t_1 >= t_0) tmp = Float32(Float32(floor(h) * dX_46_v) / t_2); else tmp = Float32(Float32(floor(h) * dY_46_v) / t_2); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \mathsf{fma}\left(\left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot \left\lfloor h\right\rfloor , dY.v, \left(\left(\left\lfloor w\right\rfloor \cdot dY.u\right) \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\\
t_1 := \mathsf{fma}\left(\left(\left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u, dX.u, \left(\left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \right) \cdot \left(dX.v \cdot dX.v\right)\right)\\
t_2 := \sqrt{\mathsf{max}\left(t\_1, t\_0\right)}\\
\mathbf{if}\;t\_1 \geq t\_0:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor \cdot dX.v}{t\_2}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor \cdot dY.v}{t\_2}\\
\end{array}
\end{array}
Initial program 76.4%
Applied rewrites76.5%
lift-fma.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
swap-sqrN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
+-commutativeN/A
lift-*.f32N/A
Applied rewrites76.5%
lift-fma.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
swap-sqrN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
+-commutativeN/A
lift-*.f32N/A
Applied rewrites76.5%
lift-fma.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
swap-sqrN/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
+-commutativeN/A
lift-*.f32N/A
Applied rewrites76.5%
(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) dX.u))
(t_2 (* (* t_1 dX.u) (floor w)))
(t_3 (* (floor w) dY.u))
(t_4 (* dX.v (floor h)))
(t_5 (* (* t_4 dX.v) (floor h)))
(t_6 (+ (* t_1 t_1) (* t_0 t_0)))
(t_7 (* (floor h) dY.v))
(t_8 (+ (* t_3 t_3) (* t_7 t_7)))
(t_9 (* dY.v (floor h)))
(t_10 (* t_9 dY.v))
(t_11 (fma t_10 (floor h) (* (* t_3 dY.u) (floor w))))
(t_12 (sqrt (fmax t_5 t_11)))
(t_13 (* t_10 (floor h)))
(t_14 (* (floor w) (floor w)))
(t_15 (/ 1.0 (sqrt (fmax t_6 t_8))))
(t_16 (if (>= t_6 t_8) (* t_15 t_0) (* t_15 t_7)))
(t_17 (* (floor h) (floor h)))
(t_18 (fma (* t_14 dX.u) dX.u (* t_17 (* dX.v dX.v))))
(t_19 (fma (* t_14 dY.u) dY.u (* (* dY.v dY.v) t_17)))
(t_20 (sqrt (fmax t_2 t_19)))
(t_21 (sqrt (fmax t_18 t_13))))
(if (<= t_16 -0.9900000095367432)
(if (>= t_5 t_11) (/ t_4 t_12) (/ t_9 t_12))
(if (<= t_16 4.999999873689376e-6)
(if (>= t_2 t_19) (/ t_0 t_20) (/ t_7 t_20))
(if (>= t_18 t_13) (/ t_0 t_21) (/ t_7 t_21))))))
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) * dX_46_u;
float t_2 = (t_1 * dX_46_u) * floorf(w);
float t_3 = floorf(w) * dY_46_u;
float t_4 = dX_46_v * floorf(h);
float t_5 = (t_4 * dX_46_v) * floorf(h);
float t_6 = (t_1 * t_1) + (t_0 * t_0);
float t_7 = floorf(h) * dY_46_v;
float t_8 = (t_3 * t_3) + (t_7 * t_7);
float t_9 = dY_46_v * floorf(h);
float t_10 = t_9 * dY_46_v;
float t_11 = fmaf(t_10, floorf(h), ((t_3 * dY_46_u) * floorf(w)));
float t_12 = sqrtf(fmaxf(t_5, t_11));
float t_13 = t_10 * floorf(h);
float t_14 = floorf(w) * floorf(w);
float t_15 = 1.0f / sqrtf(fmaxf(t_6, t_8));
float tmp;
if (t_6 >= t_8) {
tmp = t_15 * t_0;
} else {
tmp = t_15 * t_7;
}
float t_16 = tmp;
float t_17 = floorf(h) * floorf(h);
float t_18 = fmaf((t_14 * dX_46_u), dX_46_u, (t_17 * (dX_46_v * dX_46_v)));
float t_19 = fmaf((t_14 * dY_46_u), dY_46_u, ((dY_46_v * dY_46_v) * t_17));
float t_20 = sqrtf(fmaxf(t_2, t_19));
float t_21 = sqrtf(fmaxf(t_18, t_13));
float tmp_2;
if (t_16 <= -0.9900000095367432f) {
float tmp_3;
if (t_5 >= t_11) {
tmp_3 = t_4 / t_12;
} else {
tmp_3 = t_9 / t_12;
}
tmp_2 = tmp_3;
} else if (t_16 <= 4.999999873689376e-6f) {
float tmp_4;
if (t_2 >= t_19) {
tmp_4 = t_0 / t_20;
} else {
tmp_4 = t_7 / t_20;
}
tmp_2 = tmp_4;
} else if (t_18 >= t_13) {
tmp_2 = t_0 / t_21;
} else {
tmp_2 = t_7 / t_21;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(Float32(t_1 * dX_46_u) * floor(w)) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(dX_46_v * floor(h)) t_5 = Float32(Float32(t_4 * dX_46_v) * floor(h)) t_6 = Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0)) t_7 = Float32(floor(h) * dY_46_v) t_8 = Float32(Float32(t_3 * t_3) + Float32(t_7 * t_7)) t_9 = Float32(dY_46_v * floor(h)) t_10 = Float32(t_9 * dY_46_v) t_11 = fma(t_10, floor(h), Float32(Float32(t_3 * dY_46_u) * floor(w))) t_12 = sqrt(fmax(t_5, t_11)) t_13 = Float32(t_10 * floor(h)) t_14 = Float32(floor(w) * floor(w)) t_15 = Float32(Float32(1.0) / sqrt(fmax(t_6, t_8))) tmp = Float32(0.0) if (t_6 >= t_8) tmp = Float32(t_15 * t_0); else tmp = Float32(t_15 * t_7); end t_16 = tmp t_17 = Float32(floor(h) * floor(h)) t_18 = fma(Float32(t_14 * dX_46_u), dX_46_u, Float32(t_17 * Float32(dX_46_v * dX_46_v))) t_19 = fma(Float32(t_14 * dY_46_u), dY_46_u, Float32(Float32(dY_46_v * dY_46_v) * t_17)) t_20 = sqrt(fmax(t_2, t_19)) t_21 = sqrt(fmax(t_18, t_13)) tmp_2 = Float32(0.0) if (t_16 <= Float32(-0.9900000095367432)) tmp_3 = Float32(0.0) if (t_5 >= t_11) tmp_3 = Float32(t_4 / t_12); else tmp_3 = Float32(t_9 / t_12); end tmp_2 = tmp_3; elseif (t_16 <= Float32(4.999999873689376e-6)) tmp_4 = Float32(0.0) if (t_2 >= t_19) tmp_4 = Float32(t_0 / t_20); else tmp_4 = Float32(t_7 / t_20); end tmp_2 = tmp_4; elseif (t_18 >= t_13) tmp_2 = Float32(t_0 / t_21); else tmp_2 = Float32(t_7 / t_21); end return tmp_2 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 dX.u\\
t_2 := \left(t\_1 \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_5 := \left(t\_4 \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \\
t_6 := t\_1 \cdot t\_1 + t\_0 \cdot t\_0\\
t_7 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_8 := t\_3 \cdot t\_3 + t\_7 \cdot t\_7\\
t_9 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_10 := t\_9 \cdot dY.v\\
t_11 := \mathsf{fma}\left(t\_10, \left\lfloor h\right\rfloor , \left(t\_3 \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\\
t_12 := \sqrt{\mathsf{max}\left(t\_5, t\_11\right)}\\
t_13 := t\_10 \cdot \left\lfloor h\right\rfloor \\
t_14 := \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \\
t_15 := \frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_8\right)}}\\
t_16 := \begin{array}{l}
\mathbf{if}\;t\_6 \geq t\_8:\\
\;\;\;\;t\_15 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_15 \cdot t\_7\\
\end{array}\\
t_17 := \left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \\
t_18 := \mathsf{fma}\left(t\_14 \cdot dX.u, dX.u, t\_17 \cdot \left(dX.v \cdot dX.v\right)\right)\\
t_19 := \mathsf{fma}\left(t\_14 \cdot dY.u, dY.u, \left(dY.v \cdot dY.v\right) \cdot t\_17\right)\\
t_20 := \sqrt{\mathsf{max}\left(t\_2, t\_19\right)}\\
t_21 := \sqrt{\mathsf{max}\left(t\_18, t\_13\right)}\\
\mathbf{if}\;t\_16 \leq -0.9900000095367432:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_5 \geq t\_11:\\
\;\;\;\;\frac{t\_4}{t\_12}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_9}{t\_12}\\
\end{array}\\
\mathbf{elif}\;t\_16 \leq 4.999999873689376 \cdot 10^{-6}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_2 \geq t\_19:\\
\;\;\;\;\frac{t\_0}{t\_20}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{t\_20}\\
\end{array}\\
\mathbf{elif}\;t\_18 \geq t\_13:\\
\;\;\;\;\frac{t\_0}{t\_21}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_7}{t\_21}\\
\end{array}
\end{array}
if (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) < -0.99000001Initial program 99.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3299.3
Applied rewrites99.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3297.9
Applied rewrites97.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3297.9
Applied rewrites97.9%
Applied rewrites98.4%
if -0.99000001 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) < 4.99999987e-6Initial program 61.2%
Applied rewrites61.3%
Taylor expanded in dX.u around inf
Applied rewrites61.3%
Taylor expanded in dX.u around inf
Applied rewrites60.5%
Taylor expanded in dX.u around inf
Applied rewrites62.0%
if 4.99999987e-6 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) Initial program 99.3%
Applied rewrites99.3%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
pow2N/A
pow2N/A
lift-*.f32N/A
associate-*r*N/A
lower-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f3297.8
lift-*.f32N/A
*-commutativeN/A
lower-*.f3297.8
Applied rewrites97.8%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
pow2N/A
pow2N/A
lift-*.f32N/A
associate-*r*N/A
lower-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f3297.7
lift-*.f32N/A
*-commutativeN/A
lower-*.f3297.7
Applied rewrites97.7%
Taylor expanded in dY.u around 0
lift-floor.f32N/A
pow2N/A
pow2N/A
lift-*.f32N/A
associate-*r*N/A
lower-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lower-*.f3290.9
lift-*.f32N/A
*-commutativeN/A
lower-*.f3290.9
Applied rewrites90.9%
(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) dX.u))
(t_2 (* (* t_1 dX.u) (floor w)))
(t_3 (* (floor w) dY.u))
(t_4 (* dX.v (floor h)))
(t_5 (* (* t_4 dX.v) (floor h)))
(t_6
(fma
(* (* (floor w) (floor w)) dY.u)
dY.u
(* (* dY.v dY.v) (* (floor h) (floor h)))))
(t_7 (sqrt (fmax t_2 t_6)))
(t_8 (+ (* t_1 t_1) (* t_0 t_0)))
(t_9 (* (floor h) dY.v))
(t_10 (+ (* t_3 t_3) (* t_9 t_9)))
(t_11 (/ 1.0 (sqrt (fmax t_8 t_10))))
(t_12 (if (>= t_8 t_10) (* t_11 t_0) (* t_11 t_9)))
(t_13 (* dY.v (floor h)))
(t_14 (fma (* t_13 dY.v) (floor h) (* (* t_3 dY.u) (floor w))))
(t_15 (sqrt (fmax t_5 t_14)))
(t_16 (if (>= t_5 t_14) (/ t_4 t_15) (/ t_13 t_15))))
(if (<= t_12 -0.9900000095367432)
t_16
(if (<= t_12 0.5) (if (>= t_2 t_6) (/ t_0 t_7) (/ t_9 t_7)) t_16))))
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) * dX_46_u;
float t_2 = (t_1 * dX_46_u) * floorf(w);
float t_3 = floorf(w) * dY_46_u;
float t_4 = dX_46_v * floorf(h);
float t_5 = (t_4 * dX_46_v) * floorf(h);
float t_6 = fmaf(((floorf(w) * floorf(w)) * dY_46_u), dY_46_u, ((dY_46_v * dY_46_v) * (floorf(h) * floorf(h))));
float t_7 = sqrtf(fmaxf(t_2, t_6));
float t_8 = (t_1 * t_1) + (t_0 * t_0);
float t_9 = floorf(h) * dY_46_v;
float t_10 = (t_3 * t_3) + (t_9 * t_9);
float t_11 = 1.0f / sqrtf(fmaxf(t_8, t_10));
float tmp;
if (t_8 >= t_10) {
tmp = t_11 * t_0;
} else {
tmp = t_11 * t_9;
}
float t_12 = tmp;
float t_13 = dY_46_v * floorf(h);
float t_14 = fmaf((t_13 * dY_46_v), floorf(h), ((t_3 * dY_46_u) * floorf(w)));
float t_15 = sqrtf(fmaxf(t_5, t_14));
float tmp_1;
if (t_5 >= t_14) {
tmp_1 = t_4 / t_15;
} else {
tmp_1 = t_13 / t_15;
}
float t_16 = tmp_1;
float tmp_2;
if (t_12 <= -0.9900000095367432f) {
tmp_2 = t_16;
} else if (t_12 <= 0.5f) {
float tmp_3;
if (t_2 >= t_6) {
tmp_3 = t_0 / t_7;
} else {
tmp_3 = t_9 / t_7;
}
tmp_2 = tmp_3;
} else {
tmp_2 = t_16;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dX_46_v) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(Float32(t_1 * dX_46_u) * floor(w)) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(dX_46_v * floor(h)) t_5 = Float32(Float32(t_4 * dX_46_v) * floor(h)) t_6 = fma(Float32(Float32(floor(w) * floor(w)) * dY_46_u), dY_46_u, Float32(Float32(dY_46_v * dY_46_v) * Float32(floor(h) * floor(h)))) t_7 = sqrt(fmax(t_2, t_6)) t_8 = Float32(Float32(t_1 * t_1) + Float32(t_0 * t_0)) t_9 = Float32(floor(h) * dY_46_v) t_10 = Float32(Float32(t_3 * t_3) + Float32(t_9 * t_9)) t_11 = Float32(Float32(1.0) / sqrt(fmax(t_8, t_10))) tmp = Float32(0.0) if (t_8 >= t_10) tmp = Float32(t_11 * t_0); else tmp = Float32(t_11 * t_9); end t_12 = tmp t_13 = Float32(dY_46_v * floor(h)) t_14 = fma(Float32(t_13 * dY_46_v), floor(h), Float32(Float32(t_3 * dY_46_u) * floor(w))) t_15 = sqrt(fmax(t_5, t_14)) tmp_1 = Float32(0.0) if (t_5 >= t_14) tmp_1 = Float32(t_4 / t_15); else tmp_1 = Float32(t_13 / t_15); end t_16 = tmp_1 tmp_2 = Float32(0.0) if (t_12 <= Float32(-0.9900000095367432)) tmp_2 = t_16; elseif (t_12 <= Float32(0.5)) tmp_3 = Float32(0.0) if (t_2 >= t_6) tmp_3 = Float32(t_0 / t_7); else tmp_3 = Float32(t_9 / t_7); end tmp_2 = tmp_3; else tmp_2 = t_16; end return tmp_2 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 dX.u\\
t_2 := \left(t\_1 \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor \\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_5 := \left(t\_4 \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \\
t_6 := \mathsf{fma}\left(\left(\left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor \right) \cdot dY.u, dY.u, \left(dY.v \cdot dY.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \right)\right)\\
t_7 := \sqrt{\mathsf{max}\left(t\_2, t\_6\right)}\\
t_8 := t\_1 \cdot t\_1 + t\_0 \cdot t\_0\\
t_9 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_10 := t\_3 \cdot t\_3 + t\_9 \cdot t\_9\\
t_11 := \frac{1}{\sqrt{\mathsf{max}\left(t\_8, t\_10\right)}}\\
t_12 := \begin{array}{l}
\mathbf{if}\;t\_8 \geq t\_10:\\
\;\;\;\;t\_11 \cdot t\_0\\
\mathbf{else}:\\
\;\;\;\;t\_11 \cdot t\_9\\
\end{array}\\
t_13 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_14 := \mathsf{fma}\left(t\_13 \cdot dY.v, \left\lfloor h\right\rfloor , \left(t\_3 \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\\
t_15 := \sqrt{\mathsf{max}\left(t\_5, t\_14\right)}\\
t_16 := \begin{array}{l}
\mathbf{if}\;t\_5 \geq t\_14:\\
\;\;\;\;\frac{t\_4}{t\_15}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_13}{t\_15}\\
\end{array}\\
\mathbf{if}\;t\_12 \leq -0.9900000095367432:\\
\;\;\;\;t\_16\\
\mathbf{elif}\;t\_12 \leq 0.5:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_2 \geq t\_6:\\
\;\;\;\;\frac{t\_0}{t\_7}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_9}{t\_7}\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_16\\
\end{array}
\end{array}
if (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) < -0.99000001 or 0.5 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) Initial program 99.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3299.4
Applied rewrites99.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3297.7
Applied rewrites97.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3297.7
Applied rewrites97.7%
Applied rewrites98.1%
if -0.99000001 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) < 0.5Initial program 63.3%
Applied rewrites63.4%
Taylor expanded in dX.u around inf
Applied rewrites63.3%
Taylor expanded in dX.u around inf
Applied rewrites62.1%
Taylor expanded in dX.u around inf
Applied rewrites63.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.v (floor h)))
(t_1 (* dX.v (floor h)))
(t_2 (* (* t_1 dX.v) (floor h)))
(t_3
(fma
(* t_0 dY.v)
(floor h)
(* (* (* (floor w) dY.u) dY.u) (floor w))))
(t_4 (sqrt (fmax t_2 t_3))))
(if (>= t_2 t_3) (/ t_1 t_4) (/ 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 = dY_46_v * floorf(h);
float t_1 = dX_46_v * floorf(h);
float t_2 = (t_1 * dX_46_v) * floorf(h);
float t_3 = fmaf((t_0 * dY_46_v), floorf(h), (((floorf(w) * dY_46_u) * dY_46_u) * floorf(w)));
float t_4 = sqrtf(fmaxf(t_2, t_3));
float tmp;
if (t_2 >= t_3) {
tmp = t_1 / t_4;
} else {
tmp = 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(dY_46_v * floor(h)) t_1 = Float32(dX_46_v * floor(h)) t_2 = Float32(Float32(t_1 * dX_46_v) * floor(h)) t_3 = fma(Float32(t_0 * dY_46_v), floor(h), Float32(Float32(Float32(floor(w) * dY_46_u) * dY_46_u) * floor(w))) t_4 = sqrt(fmax(t_2, t_3)) tmp = Float32(0.0) if (t_2 >= t_3) tmp = Float32(t_1 / t_4); else tmp = Float32(t_0 / t_4); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_2 := \left(t\_1 \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \\
t_3 := \mathsf{fma}\left(t\_0 \cdot dY.v, \left\lfloor h\right\rfloor , \left(\left(\left\lfloor w\right\rfloor \cdot dY.u\right) \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\\
t_4 := \sqrt{\mathsf{max}\left(t\_2, t\_3\right)}\\
\mathbf{if}\;t\_2 \geq t\_3:\\
\;\;\;\;\frac{t\_1}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\end{array}
\end{array}
Initial program 76.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3265.3
Applied rewrites65.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3259.1
Applied rewrites59.1%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3258.7
Applied rewrites58.7%
Applied rewrites58.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* (* t_0 dX.v) (floor h)))
(t_2
(fma
(* (* dY.v (floor h)) dY.v)
(floor h)
(* (* (* (floor w) dY.u) dY.u) (floor w)))))
(if (>= t_1 t_2)
(/ t_0 (sqrt (fmax t_1 t_2)))
(*
(floor h)
(/
dY.v
(sqrt
(fmax
(* (* dX.v dX.v) (* (floor h) (floor h)))
(fma
(* dY.u dY.u)
(* (floor w) (floor w))
(* (* (* 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 = dX_46_v * floorf(h);
float t_1 = (t_0 * dX_46_v) * floorf(h);
float t_2 = fmaf(((dY_46_v * floorf(h)) * dY_46_v), floorf(h), (((floorf(w) * dY_46_u) * dY_46_u) * floorf(w)));
float tmp;
if (t_1 >= t_2) {
tmp = t_0 / sqrtf(fmaxf(t_1, t_2));
} else {
tmp = floorf(h) * (dY_46_v / sqrtf(fmaxf(((dX_46_v * dX_46_v) * (floorf(h) * floorf(h))), fmaf((dY_46_u * dY_46_u), (floorf(w) * floorf(w)), (((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(dX_46_v * floor(h)) t_1 = Float32(Float32(t_0 * dX_46_v) * floor(h)) t_2 = fma(Float32(Float32(dY_46_v * floor(h)) * dY_46_v), floor(h), Float32(Float32(Float32(floor(w) * dY_46_u) * dY_46_u) * floor(w))) tmp = Float32(0.0) if (t_1 >= t_2) tmp = Float32(t_0 / sqrt(fmax(t_1, t_2))); else tmp = Float32(floor(h) * Float32(dY_46_v / sqrt(fmax(Float32(Float32(dX_46_v * dX_46_v) * Float32(floor(h) * floor(h))), fma(Float32(dY_46_u * dY_46_u), Float32(floor(w) * floor(w)), 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 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \left(t\_0 \cdot dX.v\right) \cdot \left\lfloor h\right\rfloor \\
t_2 := \mathsf{fma}\left(\left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v, \left\lfloor h\right\rfloor , \left(\left(\left\lfloor w\right\rfloor \cdot dY.u\right) \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\\
\mathbf{if}\;t\_1 \geq t\_2:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(t\_1, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor h\right\rfloor \cdot \frac{dY.v}{\sqrt{\mathsf{max}\left(\left(dX.v \cdot dX.v\right) \cdot \left(\left\lfloor h\right\rfloor \cdot \left\lfloor h\right\rfloor \right), \mathsf{fma}\left(dY.u \cdot dY.u, \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor , \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 76.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3265.3
Applied rewrites65.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3259.1
Applied rewrites59.1%
Taylor expanded in dX.u around 0
*-commutativeN/A
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
unpow2N/A
lower-*.f3258.7
Applied rewrites58.7%
Applied rewrites58.9%
Applied rewrites58.8%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
associate-*l*N/A
lift-floor.f32N/A
unswap-sqrN/A
pow2N/A
pow2N/A
lift-floor.f32N/A
lift-floor.f32N/A
pow2N/A
associate-*r*N/A
lift-floor.f32N/A
lower-*.f32N/A
lift-floor.f32N/A
lower-*.f32N/A
pow2N/A
lift-*.f3258.8
Applied rewrites58.8%
herbie shell --seed 2025122
(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))))