
(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}
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}
Herbie found 4 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}
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}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (* dX.v (floor h)) dX.v))
(t_1 (* (* dY.v (floor h)) dY.v))
(t_2 (* (* dX.u (floor w)) dX.u))
(t_3 (fma t_0 (floor h) (* t_2 (floor w))))
(t_4 (* (* dY.u (floor w)) dY.u))
(t_5 (fma t_1 (floor h) (* t_4 (floor w)))))
(if (>= (fma t_2 (floor w) (* t_0 (floor h))) t_5)
(/ (* (- dX.v) (floor h)) (- (sqrt (fmax t_5 t_3))))
(/
(* (- dY.v) (floor h))
(- (sqrt (fmax (fma t_4 (floor w) (* t_1 (floor h))) 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 = (dX_46_v * floorf(h)) * dX_46_v;
float t_1 = (dY_46_v * floorf(h)) * dY_46_v;
float t_2 = (dX_46_u * floorf(w)) * dX_46_u;
float t_3 = fmaf(t_0, floorf(h), (t_2 * floorf(w)));
float t_4 = (dY_46_u * floorf(w)) * dY_46_u;
float t_5 = fmaf(t_1, floorf(h), (t_4 * floorf(w)));
float tmp;
if (fmaf(t_2, floorf(w), (t_0 * floorf(h))) >= t_5) {
tmp = (-dX_46_v * floorf(h)) / -sqrtf(fmaxf(t_5, t_3));
} else {
tmp = (-dY_46_v * floorf(h)) / -sqrtf(fmaxf(fmaf(t_4, floorf(w), (t_1 * floorf(h))), t_3));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(Float32(dX_46_v * floor(h)) * dX_46_v) t_1 = Float32(Float32(dY_46_v * floor(h)) * dY_46_v) t_2 = Float32(Float32(dX_46_u * floor(w)) * dX_46_u) t_3 = fma(t_0, floor(h), Float32(t_2 * floor(w))) t_4 = Float32(Float32(dY_46_u * floor(w)) * dY_46_u) t_5 = fma(t_1, floor(h), Float32(t_4 * floor(w))) tmp = Float32(0.0) if (fma(t_2, floor(w), Float32(t_0 * floor(h))) >= t_5) tmp = Float32(Float32(Float32(-dX_46_v) * floor(h)) / Float32(-sqrt(fmax(t_5, t_3)))); else tmp = Float32(Float32(Float32(-dY_46_v) * floor(h)) / Float32(-sqrt(fmax(fma(t_4, floor(w), Float32(t_1 * floor(h))), t_3)))); end return tmp end
\begin{array}{l}
t_0 := \left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v\\
t_1 := \left(dY.v \cdot \left\lfloor h\right\rfloor \right) \cdot dY.v\\
t_2 := \left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\\
t_3 := \mathsf{fma}\left(t\_0, \left\lfloor h\right\rfloor , t\_2 \cdot \left\lfloor w\right\rfloor \right)\\
t_4 := \left(dY.u \cdot \left\lfloor w\right\rfloor \right) \cdot dY.u\\
t_5 := \mathsf{fma}\left(t\_1, \left\lfloor h\right\rfloor , t\_4 \cdot \left\lfloor w\right\rfloor \right)\\
\mathbf{if}\;\mathsf{fma}\left(t\_2, \left\lfloor w\right\rfloor , t\_0 \cdot \left\lfloor h\right\rfloor \right) \geq t\_5:\\
\;\;\;\;\frac{\left(-dX.v\right) \cdot \left\lfloor h\right\rfloor }{-\sqrt{\mathsf{max}\left(t\_5, t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left(-dY.v\right) \cdot \left\lfloor h\right\rfloor }{-\sqrt{\mathsf{max}\left(\mathsf{fma}\left(t\_4, \left\lfloor w\right\rfloor , t\_1 \cdot \left\lfloor h\right\rfloor \right), t\_3\right)}}\\
\end{array}
Initial program 76.0%
Applied rewrites76.1%
Applied rewrites76.2%
Applied rewrites76.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.v (floor h)))
(t_1
(fma
(* t_0 dY.v)
(floor h)
(* (* (* dY.u (floor w)) dY.u) (floor w))))
(t_2 (* (* dX.u (floor w)) dX.u))
(t_3 (* (floor w) dX.u))
(t_4 (* (* dX.v (floor h)) dX.v))
(t_5 (* (floor h) dX.v)))
(if (>= (fma t_2 (floor w) (* t_4 (floor h))) t_1)
(/
(* (- dX.v) (floor h))
(- (sqrt (fmax t_1 (fma t_4 (floor h) (* t_2 (floor w)))))))
(*
(floor h)
(/
dY.v
(sqrt
(fmax
(fma (* dY.u dY.u) (* (floor w) (floor w)) (* t_0 t_0))
(fma t_3 t_3 (* t_5 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 = dY_46_v * floorf(h);
float t_1 = fmaf((t_0 * dY_46_v), floorf(h), (((dY_46_u * floorf(w)) * dY_46_u) * floorf(w)));
float t_2 = (dX_46_u * floorf(w)) * dX_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = (dX_46_v * floorf(h)) * dX_46_v;
float t_5 = floorf(h) * dX_46_v;
float tmp;
if (fmaf(t_2, floorf(w), (t_4 * floorf(h))) >= t_1) {
tmp = (-dX_46_v * floorf(h)) / -sqrtf(fmaxf(t_1, fmaf(t_4, floorf(h), (t_2 * floorf(w)))));
} else {
tmp = floorf(h) * (dY_46_v / sqrtf(fmaxf(fmaf((dY_46_u * dY_46_u), (floorf(w) * floorf(w)), (t_0 * t_0)), fmaf(t_3, t_3, (t_5 * t_5)))));
}
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 = fma(Float32(t_0 * dY_46_v), floor(h), Float32(Float32(Float32(dY_46_u * floor(w)) * dY_46_u) * floor(w))) t_2 = Float32(Float32(dX_46_u * floor(w)) * dX_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(Float32(dX_46_v * floor(h)) * dX_46_v) t_5 = Float32(floor(h) * dX_46_v) tmp = Float32(0.0) if (fma(t_2, floor(w), Float32(t_4 * floor(h))) >= t_1) tmp = Float32(Float32(Float32(-dX_46_v) * floor(h)) / Float32(-sqrt(fmax(t_1, fma(t_4, floor(h), Float32(t_2 * floor(w))))))); else tmp = Float32(floor(h) * Float32(dY_46_v / sqrt(fmax(fma(Float32(dY_46_u * dY_46_u), Float32(floor(w) * floor(w)), Float32(t_0 * t_0)), fma(t_3, t_3, Float32(t_5 * t_5)))))); end return tmp end
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \mathsf{fma}\left(t\_0 \cdot dY.v, \left\lfloor h\right\rfloor , \left(\left(dY.u \cdot \left\lfloor w\right\rfloor \right) \cdot dY.u\right) \cdot \left\lfloor w\right\rfloor \right)\\
t_2 := \left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \left(dX.v \cdot \left\lfloor h\right\rfloor \right) \cdot dX.v\\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
\mathbf{if}\;\mathsf{fma}\left(t\_2, \left\lfloor w\right\rfloor , t\_4 \cdot \left\lfloor h\right\rfloor \right) \geq t\_1:\\
\;\;\;\;\frac{\left(-dX.v\right) \cdot \left\lfloor h\right\rfloor }{-\sqrt{\mathsf{max}\left(t\_1, \mathsf{fma}\left(t\_4, \left\lfloor h\right\rfloor , t\_2 \cdot \left\lfloor w\right\rfloor \right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor h\right\rfloor \cdot \frac{dY.v}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(dY.u \cdot dY.u, \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor , t\_0 \cdot t\_0\right), \mathsf{fma}\left(t\_3, t\_3, t\_5 \cdot t\_5\right)\right)}}\\
\end{array}
Initial program 76.0%
Applied rewrites76.1%
Applied rewrites76.2%
Applied rewrites76.2%
Applied rewrites76.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dY.v (floor h)))
(t_1 (fma (* dY.u dY.u) (* (floor w) (floor w)) (* t_0 t_0)))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor h) dX.v))
(t_4 (fma t_2 t_2 (* t_3 t_3)))
(t_5 (/ (floor h) (sqrt (fmax t_1 t_4)))))
(if (>= t_4 t_1) (* t_5 dX.v) (* t_5 dY.v))))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 = fmaf((dY_46_u * dY_46_u), (floorf(w) * floorf(w)), (t_0 * t_0));
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(h) * dX_46_v;
float t_4 = fmaf(t_2, t_2, (t_3 * t_3));
float t_5 = floorf(h) / sqrtf(fmaxf(t_1, t_4));
float tmp;
if (t_4 >= t_1) {
tmp = t_5 * dX_46_v;
} else {
tmp = t_5 * dY_46_v;
}
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 = fma(Float32(dY_46_u * dY_46_u), Float32(floor(w) * floor(w)), Float32(t_0 * t_0)) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(h) * dX_46_v) t_4 = fma(t_2, t_2, Float32(t_3 * t_3)) t_5 = Float32(floor(h) / sqrt(fmax(t_1, t_4))) tmp = Float32(0.0) if (t_4 >= t_1) tmp = Float32(t_5 * dX_46_v); else tmp = Float32(t_5 * dY_46_v); end return tmp end
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \mathsf{fma}\left(dY.u \cdot dY.u, \left\lfloor w\right\rfloor \cdot \left\lfloor w\right\rfloor , t\_0 \cdot t\_0\right)\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := \mathsf{fma}\left(t\_2, t\_2, t\_3 \cdot t\_3\right)\\
t_5 := \frac{\left\lfloor h\right\rfloor }{\sqrt{\mathsf{max}\left(t\_1, t\_4\right)}}\\
\mathbf{if}\;t\_4 \geq t\_1:\\
\;\;\;\;t\_5 \cdot dX.v\\
\mathbf{else}:\\
\;\;\;\;t\_5 \cdot dY.v\\
\end{array}
Initial program 76.0%
Applied rewrites76.1%
Applied rewrites76.2%
Applied rewrites76.2%
Applied rewrites76.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (fabs dY.u) (floor w)))
(t_1 (* (fabs t_0) t_0))
(t_2 (* (floor w) dX.u))
(t_3 (* (floor h) dX.v))
(t_4 (fma t_2 t_2 (* t_3 t_3)))
(t_5 (sqrt (fmax t_1 t_4))))
(if (>= t_4 t_1) (/ t_3 t_5) (/ (* dY.v (floor h)) 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 = fabsf(dY_46_u) * floorf(w);
float t_1 = fabsf(t_0) * t_0;
float t_2 = floorf(w) * dX_46_u;
float t_3 = floorf(h) * dX_46_v;
float t_4 = fmaf(t_2, t_2, (t_3 * t_3));
float t_5 = sqrtf(fmaxf(t_1, t_4));
float tmp;
if (t_4 >= t_1) {
tmp = t_3 / t_5;
} else {
tmp = (dY_46_v * floorf(h)) / t_5;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(abs(dY_46_u) * floor(w)) t_1 = Float32(abs(t_0) * t_0) t_2 = Float32(floor(w) * dX_46_u) t_3 = Float32(floor(h) * dX_46_v) t_4 = fma(t_2, t_2, Float32(t_3 * t_3)) t_5 = sqrt(fmax(t_1, t_4)) tmp = Float32(0.0) if (t_4 >= t_1) tmp = Float32(t_3 / t_5); else tmp = Float32(Float32(dY_46_v * floor(h)) / t_5); end return tmp end
\begin{array}{l}
t_0 := \left|dY.u\right| \cdot \left\lfloor w\right\rfloor \\
t_1 := \left|t\_0\right| \cdot t\_0\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := \mathsf{fma}\left(t\_2, t\_2, t\_3 \cdot t\_3\right)\\
t_5 := \sqrt{\mathsf{max}\left(t\_1, t\_4\right)}\\
\mathbf{if}\;t\_4 \geq t\_1:\\
\;\;\;\;\frac{t\_3}{t\_5}\\
\mathbf{else}:\\
\;\;\;\;\frac{dY.v \cdot \left\lfloor h\right\rfloor }{t\_5}\\
\end{array}
Initial program 76.0%
lift-+.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
fp-cancel-sign-sub-invN/A
distribute-lft-neg-inN/A
distribute-rgt-neg-inN/A
fp-cancel-sub-sign-invN/A
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
distribute-lft-neg-inN/A
distribute-rgt-neg-inN/A
associate-*l*N/A
Applied rewrites76.0%
lift-+.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
fp-cancel-sign-sub-invN/A
distribute-lft-neg-inN/A
distribute-rgt-neg-inN/A
fp-cancel-sub-sign-invN/A
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
distribute-lft-neg-inN/A
distribute-rgt-neg-inN/A
associate-*l*N/A
Applied rewrites76.0%
lift-+.f32N/A
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
fp-cancel-sign-sub-invN/A
distribute-lft-neg-inN/A
distribute-rgt-neg-inN/A
fp-cancel-sub-sign-invN/A
lift-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
distribute-lft-neg-inN/A
distribute-rgt-neg-inN/A
associate-*l*N/A
Applied rewrites76.0%
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
rem-exp-logN/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-log.f32N/A
exp-fabsN/A
lift-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
rem-exp-logN/A
lift-*.f32N/A
fabs-mulN/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
Applied rewrites67.6%
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
rem-exp-logN/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-log.f32N/A
exp-fabsN/A
lift-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
rem-exp-logN/A
lift-*.f32N/A
fabs-mulN/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
Applied rewrites67.4%
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-*.f32N/A
rem-exp-logN/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-log.f32N/A
exp-fabsN/A
lift-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
rem-exp-logN/A
lift-*.f32N/A
fabs-mulN/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
Applied rewrites67.0%
Taylor expanded in dY.u around inf
lower-*.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
lower-floor.f32N/A
lower-floor.f3253.0%
Applied rewrites53.0%
Taylor expanded in dY.u around inf
lower-*.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
lower-floor.f32N/A
lower-floor.f3257.1%
Applied rewrites57.1%
Taylor expanded in dY.u around inf
lower-*.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
lower-*.f32N/A
lower-fabs.f32N/A
lower-floor.f32N/A
lower-floor.f3254.1%
Applied rewrites54.1%
Applied rewrites54.3%
herbie shell --seed 2025181
(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))))