
(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}
Sampling outcomes in binary32 precision:
Herbie found 3 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 (* dX.v (floor h)))
(t_1 (* (floor w) dY.u))
(t_2 (pow t_0 2.0))
(t_3 (pow (* dX.u (floor w)) 2.0))
(t_4
(sqrt
(fmax
(+ t_2 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_2) (+ (* t_1 t_1) (* t_5 t_5)))
(/ (* t_0 (- -1.0)) t_4)
(* (/ 1.0 t_4) 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 = dX_46_v * floorf(h);
float t_1 = floorf(w) * dY_46_u;
float t_2 = powf(t_0, 2.0f);
float t_3 = powf((dX_46_u * floorf(w)), 2.0f);
float t_4 = sqrtf(fmaxf((t_2 + 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_2) >= ((t_1 * t_1) + (t_5 * t_5))) {
tmp = (t_0 * -(-1.0f)) / t_4;
} else {
tmp = (1.0f / t_4) * t_5;
}
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(floor(w) * dY_46_u) t_2 = t_0 ^ Float32(2.0) t_3 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_4 = sqrt(fmax(Float32(t_2 + 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 + t_2) >= Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5))) tmp = Float32(Float32(t_0 * Float32(-Float32(-1.0))) / t_4); else tmp = Float32(Float32(Float32(1.0) / t_4) * 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 = dX_46_v * floor(h); t_1 = floor(w) * dY_46_u; t_2 = t_0 ^ single(2.0); t_3 = (dX_46_u * floor(w)) ^ single(2.0); t_4 = sqrt(max((t_2 + 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_2) >= ((t_1 * t_1) + (t_5 * t_5))) tmp = (t_0 * -single(-1.0)) / t_4; else tmp = (single(1.0) / t_4) * t_5; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := {t\_0}^{2}\\
t_3 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_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\_2 \geq t\_1 \cdot t\_1 + t\_5 \cdot t\_5:\\
\;\;\;\;\frac{t\_0 \cdot \left(--1\right)}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{t\_4} \cdot t\_5\\
\end{array}
\end{array}
Initial program 76.4%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites76.6%
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
lower-pow.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
+-commutativeN/A
lift-+.f3276.6
Applied rewrites76.6%
lift-*.f32N/A
pow2N/A
lift-pow.f3276.6
lift-*.f32N/A
*-commutativeN/A
lift-*.f3276.6
Applied rewrites76.6%
lift-*.f32N/A
pow2N/A
lower-pow.f3276.6
lift-*.f32N/A
*-commutativeN/A
lift-*.f3276.6
Applied rewrites76.6%
Final simplification76.6%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (+ (pow (* dY.u (floor w)) 2.0) (pow (* dY.v (floor h)) 2.0)))
(t_4 (* (floor w) dX.u))
(t_5
(/
1.0
(sqrt
(fmax (+ (* t_4 t_4) (* t_2 t_2)) (+ (* t_0 t_0) (* t_1 t_1))))))
(t_6 (* t_5 t_1))
(t_7 (* t_5 t_2)))
(if (<= dX.u 0.03999999910593033)
(if (>= (pow t_2 2.0) t_3) t_7 t_6)
(if (>= (pow t_4 2.0) t_3) t_7 t_6))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = powf((dY_46_u * floorf(w)), 2.0f) + powf((dY_46_v * floorf(h)), 2.0f);
float t_4 = floorf(w) * dX_46_u;
float t_5 = 1.0f / sqrtf(fmaxf(((t_4 * t_4) + (t_2 * t_2)), ((t_0 * t_0) + (t_1 * t_1))));
float t_6 = t_5 * t_1;
float t_7 = t_5 * t_2;
float tmp_1;
if (dX_46_u <= 0.03999999910593033f) {
float tmp_2;
if (powf(t_2, 2.0f) >= t_3) {
tmp_2 = t_7;
} else {
tmp_2 = t_6;
}
tmp_1 = tmp_2;
} else if (powf(t_4, 2.0f) >= t_3) {
tmp_1 = t_7;
} else {
tmp_1 = t_6;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dY_46_v * floor(h)) ^ Float32(2.0))) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(Float32(1.0) / sqrt(fmax(Float32(Float32(t_4 * t_4) + Float32(t_2 * t_2)), Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1))))) t_6 = Float32(t_5 * t_1) t_7 = Float32(t_5 * t_2) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(0.03999999910593033)) tmp_2 = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= t_3) tmp_2 = t_7; else tmp_2 = t_6; end tmp_1 = tmp_2; elseif ((t_4 ^ Float32(2.0)) >= t_3) tmp_1 = t_7; else tmp_1 = t_6; end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = ((dY_46_u * floor(w)) ^ single(2.0)) + ((dY_46_v * floor(h)) ^ single(2.0)); t_4 = floor(w) * dX_46_u; t_5 = single(1.0) / sqrt(max(((t_4 * t_4) + (t_2 * t_2)), ((t_0 * t_0) + (t_1 * t_1)))); t_6 = t_5 * t_1; t_7 = t_5 * t_2; tmp_2 = single(0.0); if (dX_46_u <= single(0.03999999910593033)) tmp_3 = single(0.0); if ((t_2 ^ single(2.0)) >= t_3) tmp_3 = t_7; else tmp_3 = t_6; end tmp_2 = tmp_3; elseif ((t_4 ^ single(2.0)) >= t_3) tmp_2 = t_7; else tmp_2 = t_6; end tmp_4 = tmp_2; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := \frac{1}{\sqrt{\mathsf{max}\left(t\_4 \cdot t\_4 + t\_2 \cdot t\_2, t\_0 \cdot t\_0 + t\_1 \cdot t\_1\right)}}\\
t_6 := t\_5 \cdot t\_1\\
t_7 := t\_5 \cdot t\_2\\
\mathbf{if}\;dX.u \leq 0.03999999910593033:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_2}^{2} \geq t\_3:\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}\\
\mathbf{elif}\;{t\_4}^{2} \geq t\_3:\\
\;\;\;\;t\_7\\
\mathbf{else}:\\
\;\;\;\;t\_6\\
\end{array}
\end{array}
if dX.u < 0.0399999991Initial program 77.1%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
unpow2N/A
swap-sqrN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
associate-*r*N/A
unpow2N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3262.2
Applied rewrites62.2%
lift-*.f32N/A
pow2N/A
lower-pow.f3262.2
lift-*.f32N/A
*-commutativeN/A
lift-*.f3262.2
Applied rewrites62.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
*-commutativeN/A
unpow-prod-downN/A
lift-*.f32N/A
lift-pow.f3262.2
Applied rewrites62.2%
Taylor expanded in dX.u around 0
unpow2N/A
unpow2N/A
swap-sqrN/A
unpow2N/A
*-commutativeN/A
lower-pow.f32N/A
lower-*.f32N/A
lower-floor.f3269.2
Applied rewrites69.2%
if 0.0399999991 < dX.u Initial program 74.1%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
unpow2N/A
swap-sqrN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
associate-*r*N/A
unpow2N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3274.1
Applied rewrites74.1%
lift-*.f32N/A
pow2N/A
lower-pow.f3274.1
lift-*.f32N/A
*-commutativeN/A
lift-*.f3274.1
Applied rewrites74.1%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
*-commutativeN/A
unpow-prod-downN/A
lift-*.f32N/A
lift-pow.f3274.1
Applied rewrites74.1%
Taylor expanded in dX.u around inf
unpow2N/A
unpow2N/A
swap-sqrN/A
unpow2N/A
*-commutativeN/A
lower-pow.f32N/A
lower-*.f32N/A
lower-floor.f3274.1
Applied rewrites74.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor w) dX.u))
(t_4
(/
1.0
(sqrt
(fmax (+ (* t_3 t_3) (* t_2 t_2)) (+ (* t_0 t_0) (* t_1 t_1)))))))
(if (>=
(pow t_2 2.0)
(+ (pow (* dY.u (floor w)) 2.0) (pow (* dY.v (floor h)) 2.0)))
(* t_4 t_2)
(* 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(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = 1.0f / sqrtf(fmaxf(((t_3 * t_3) + (t_2 * t_2)), ((t_0 * t_0) + (t_1 * t_1))));
float tmp;
if (powf(t_2, 2.0f) >= (powf((dY_46_u * floorf(w)), 2.0f) + powf((dY_46_v * floorf(h)), 2.0f))) {
tmp = t_4 * t_2;
} 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(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(Float32(1.0) / sqrt(fmax(Float32(Float32(t_3 * t_3) + Float32(t_2 * t_2)), Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1))))) tmp = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))) tmp = Float32(t_4 * t_2); 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(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = floor(w) * dX_46_u; t_4 = single(1.0) / sqrt(max(((t_3 * t_3) + (t_2 * t_2)), ((t_0 * t_0) + (t_1 * t_1)))); tmp = single(0.0); if ((t_2 ^ single(2.0)) >= (((dY_46_u * floor(w)) ^ single(2.0)) + ((dY_46_v * floor(h)) ^ single(2.0)))) tmp = t_4 * t_2; else tmp = t_4 * t_1; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.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\_2 \cdot t\_2, t\_0 \cdot t\_0 + t\_1 \cdot t\_1\right)}}\\
\mathbf{if}\;{t\_2}^{2} \geq {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}:\\
\;\;\;\;t\_4 \cdot t\_2\\
\mathbf{else}:\\
\;\;\;\;t\_4 \cdot t\_1\\
\end{array}
\end{array}
Initial program 76.4%
Taylor expanded in dX.u around inf
*-commutativeN/A
unpow2N/A
unpow2N/A
swap-sqrN/A
associate-*r*N/A
lower-*.f32N/A
*-commutativeN/A
associate-*r*N/A
unpow2N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3264.9
Applied rewrites64.9%
lift-*.f32N/A
pow2N/A
lower-pow.f3264.9
lift-*.f32N/A
*-commutativeN/A
lift-*.f3264.9
Applied rewrites64.9%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
*-commutativeN/A
unpow-prod-downN/A
lift-*.f32N/A
lift-pow.f3264.9
Applied rewrites64.9%
Taylor expanded in dX.u around 0
unpow2N/A
unpow2N/A
swap-sqrN/A
unpow2N/A
*-commutativeN/A
lower-pow.f32N/A
lower-*.f32N/A
lower-floor.f3265.1
Applied rewrites65.1%
herbie shell --seed 2025026
(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))))