
(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 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 w) dY.u))
(t_1 (* (floor w) dX.u))
(t_2 (* dX.v (floor h)))
(t_3 (pow t_2 2.0))
(t_4 (* (floor h) dX.v))
(t_5 (pow (* dX.u (floor w)) 2.0))
(t_6 (* (floor h) dY.v))
(t_7 (* t_6 t_6)))
(if (>= (+ t_5 t_3) (+ (* t_0 t_0) t_7))
(/
(* t_2 (- -1.0))
(sqrt
(fmax
(+ t_3 t_5)
(+ (pow (* dY.v (floor h)) 2.0) (pow (* dY.u (floor w)) 2.0)))))
(*
(/
1.0
(sqrt
(fmax
(+ (* t_1 t_1) (* t_4 t_4))
(+ (* (pow (floor w) 2.0) (* dY.u dY.u)) 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(w) * dX_46_u;
float t_2 = dX_46_v * floorf(h);
float t_3 = powf(t_2, 2.0f);
float t_4 = floorf(h) * dX_46_v;
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 tmp;
if ((t_5 + t_3) >= ((t_0 * t_0) + t_7)) {
tmp = (t_2 * -(-1.0f)) / sqrtf(fmaxf((t_3 + t_5), (powf((dY_46_v * floorf(h)), 2.0f) + powf((dY_46_u * floorf(w)), 2.0f))));
} else {
tmp = (1.0f / sqrtf(fmaxf(((t_1 * t_1) + (t_4 * t_4)), ((powf(floorf(w), 2.0f) * (dY_46_u * dY_46_u)) + t_7)))) * t_6;
}
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(w) * dX_46_u) t_2 = Float32(dX_46_v * floor(h)) t_3 = t_2 ^ Float32(2.0) t_4 = Float32(floor(h) * dX_46_v) 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) tmp = Float32(0.0) if (Float32(t_5 + t_3) >= Float32(Float32(t_0 * t_0) + t_7)) tmp = Float32(Float32(t_2 * Float32(-Float32(-1.0))) / sqrt(fmax(Float32(t_3 + t_5), Float32((Float32(dY_46_v * floor(h)) ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0)))))); else tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(Float32(Float32(t_1 * t_1) + Float32(t_4 * t_4)), Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dY_46_u * dY_46_u)) + t_7)))) * t_6); 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(w) * dX_46_u; t_2 = dX_46_v * floor(h); t_3 = t_2 ^ single(2.0); t_4 = floor(h) * dX_46_v; t_5 = (dX_46_u * floor(w)) ^ single(2.0); t_6 = floor(h) * dY_46_v; t_7 = t_6 * t_6; tmp = single(0.0); if ((t_5 + t_3) >= ((t_0 * t_0) + t_7)) tmp = (t_2 * -single(-1.0)) / sqrt(max((t_3 + t_5), (((dY_46_v * floor(h)) ^ single(2.0)) + ((dY_46_u * floor(w)) ^ single(2.0))))); else tmp = (single(1.0) / sqrt(max(((t_1 * t_1) + (t_4 * t_4)), (((floor(w) ^ single(2.0)) * (dY_46_u * dY_46_u)) + t_7)))) * t_6; 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 w\right\rfloor \cdot dX.u\\
t_2 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_3 := {t\_2}^{2}\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
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\\
\mathbf{if}\;t\_5 + t\_3 \geq t\_0 \cdot t\_0 + t\_7:\\
\;\;\;\;\frac{t\_2 \cdot \left(--1\right)}{\sqrt{\mathsf{max}\left(t\_3 + t\_5, {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_1 \cdot t\_1 + t\_4 \cdot t\_4, {\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dY.u \cdot dY.u\right) + t\_7\right)}} \cdot t\_6\\
\end{array}
\end{array}
Initial program 75.2%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites75.4%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lower-*.f3275.4
Applied rewrites75.4%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3275.4
Applied rewrites75.4%
lift-*.f32N/A
pow2N/A
lower-pow.f3275.4
lift-*.f32N/A
*-commutativeN/A
lift-*.f3275.4
Applied rewrites75.4%
Final simplification75.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (pow (* dY.v (floor h)) 2.0))
(t_2 (* (floor w) dY.u))
(t_3 (pow (* dY.u (floor w)) 2.0))
(t_4 (* dX.v (floor h)))
(t_5 (pow (* dX.u (floor w)) 2.0))
(t_6 (+ (pow t_4 2.0) t_5))
(t_7 (* (floor h) dY.v)))
(if (>= (+ t_5 (* t_0 t_0)) (+ (* t_2 t_2) (* t_7 t_7)))
(/ (* t_4 (- -1.0)) (sqrt (fmax t_6 (+ t_1 t_3))))
(* (/ 1.0 (sqrt (fmax t_6 (+ t_3 t_1)))) t_7))))
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 = powf((dY_46_v * floorf(h)), 2.0f);
float t_2 = floorf(w) * dY_46_u;
float t_3 = powf((dY_46_u * floorf(w)), 2.0f);
float t_4 = dX_46_v * floorf(h);
float t_5 = powf((dX_46_u * floorf(w)), 2.0f);
float t_6 = powf(t_4, 2.0f) + t_5;
float t_7 = floorf(h) * dY_46_v;
float tmp;
if ((t_5 + (t_0 * t_0)) >= ((t_2 * t_2) + (t_7 * t_7))) {
tmp = (t_4 * -(-1.0f)) / sqrtf(fmaxf(t_6, (t_1 + t_3)));
} else {
tmp = (1.0f / sqrtf(fmaxf(t_6, (t_3 + t_1)))) * t_7;
}
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(dY_46_v * floor(h)) ^ Float32(2.0) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(dY_46_u * floor(w)) ^ Float32(2.0) t_4 = Float32(dX_46_v * floor(h)) t_5 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_6 = Float32((t_4 ^ Float32(2.0)) + t_5) t_7 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32(t_5 + Float32(t_0 * t_0)) >= Float32(Float32(t_2 * t_2) + Float32(t_7 * t_7))) tmp = Float32(Float32(t_4 * Float32(-Float32(-1.0))) / sqrt(fmax(t_6, Float32(t_1 + t_3)))); else tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_6, Float32(t_3 + t_1)))) * t_7); 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 = (dY_46_v * floor(h)) ^ single(2.0); t_2 = floor(w) * dY_46_u; t_3 = (dY_46_u * floor(w)) ^ single(2.0); t_4 = dX_46_v * floor(h); t_5 = (dX_46_u * floor(w)) ^ single(2.0); t_6 = (t_4 ^ single(2.0)) + t_5; t_7 = floor(h) * dY_46_v; tmp = single(0.0); if ((t_5 + (t_0 * t_0)) >= ((t_2 * t_2) + (t_7 * t_7))) tmp = (t_4 * -single(-1.0)) / sqrt(max(t_6, (t_1 + t_3))); else tmp = (single(1.0) / sqrt(max(t_6, (t_3 + t_1)))) * t_7; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
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(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_4 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_5 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := {t\_4}^{2} + t\_5\\
t_7 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;t\_5 + t\_0 \cdot t\_0 \geq t\_2 \cdot t\_2 + t\_7 \cdot t\_7:\\
\;\;\;\;\frac{t\_4 \cdot \left(--1\right)}{\sqrt{\mathsf{max}\left(t\_6, t\_1 + t\_3\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_3 + t\_1\right)}} \cdot t\_7\\
\end{array}
\end{array}
Initial program 75.2%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites75.4%
Applied rewrites75.4%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3275.4
Applied rewrites75.4%
Final simplification75.4%
(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_1 t_1))
(t_3 (* (* (pow (floor h) 2.0) dY.v) dY.v))
(t_4 (* (floor w) dY.u))
(t_5 (* (floor h) dY.v))
(t_6 (+ (* t_4 t_4) (* t_5 t_5)))
(t_7 (/ 1.0 (sqrt (fmax (+ (* t_0 t_0) t_2) t_6))))
(t_8 (* t_7 t_5)))
(if (<= dY.u 40000000000.0)
(if (>= (+ (pow (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0)) t_3)
(*
(/ 1.0 (sqrt (fmax (+ (* (pow (floor w) 2.0) (* dX.u dX.u)) t_2) t_6)))
t_1)
t_8)
(if (>= (+ (exp (* (log (* (- dX.u) (floor w))) 2.0)) t_2) t_3)
(* t_7 t_1)
t_8))))
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_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 = floorf(h) * dY_46_v;
float t_6 = (t_4 * t_4) + (t_5 * t_5);
float t_7 = 1.0f / sqrtf(fmaxf(((t_0 * t_0) + t_2), t_6));
float t_8 = t_7 * t_5;
float tmp_1;
if (dY_46_u <= 40000000000.0f) {
float tmp_2;
if ((powf((dX_46_u * floorf(w)), 2.0f) + powf((dX_46_v * floorf(h)), 2.0f)) >= t_3) {
tmp_2 = (1.0f / sqrtf(fmaxf(((powf(floorf(w), 2.0f) * (dX_46_u * dX_46_u)) + t_2), t_6))) * t_1;
} else {
tmp_2 = t_8;
}
tmp_1 = tmp_2;
} else if ((expf((logf((-dX_46_u * floorf(w))) * 2.0f)) + t_2) >= t_3) {
tmp_1 = t_7 * t_1;
} else {
tmp_1 = t_8;
}
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(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(floor(h) * dY_46_v) t_6 = Float32(Float32(t_4 * t_4) + Float32(t_5 * t_5)) t_7 = Float32(Float32(1.0) / sqrt(fmax(Float32(Float32(t_0 * t_0) + t_2), t_6))) t_8 = Float32(t_7 * t_5) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(40000000000.0)) tmp_2 = Float32(0.0) if (Float32((Float32(dX_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) >= t_3) tmp_2 = Float32(Float32(Float32(1.0) / sqrt(fmax(Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_2), t_6))) * t_1); else tmp_2 = t_8; end tmp_1 = tmp_2; elseif (Float32(exp(Float32(log(Float32(Float32(-dX_46_u) * floor(w))) * Float32(2.0))) + t_2) >= t_3) tmp_1 = Float32(t_7 * t_1); else tmp_1 = t_8; 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_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 = floor(h) * dY_46_v; t_6 = (t_4 * t_4) + (t_5 * t_5); t_7 = single(1.0) / sqrt(max(((t_0 * t_0) + t_2), t_6)); t_8 = t_7 * t_5; tmp_2 = single(0.0); if (dY_46_u <= single(40000000000.0)) tmp_3 = single(0.0); if ((((dX_46_u * floor(w)) ^ single(2.0)) + ((dX_46_v * floor(h)) ^ single(2.0))) >= t_3) tmp_3 = (single(1.0) / sqrt(max((((floor(w) ^ single(2.0)) * (dX_46_u * dX_46_u)) + t_2), t_6))) * t_1; else tmp_3 = t_8; end tmp_2 = tmp_3; elseif ((exp((log((-dX_46_u * floor(w))) * single(2.0))) + t_2) >= t_3) tmp_2 = t_7 * t_1; else tmp_2 = t_8; 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\_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\lfloor h\right\rfloor \cdot dY.v\\
t_6 := t\_4 \cdot t\_4 + t\_5 \cdot t\_5\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_0 \cdot t\_0 + t\_2, t\_6\right)}}\\
t_8 := t\_7 \cdot t\_5\\
\mathbf{if}\;dY.u \leq 40000000000:\\
\;\;\;\;\begin{array}{l}
\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 t\_3:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dX.u \cdot dX.u\right) + t\_2, t\_6\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}\\
\mathbf{elif}\;e^{\log \left(\left(-dX.u\right) \cdot \left\lfloor w\right\rfloor \right) \cdot 2} + t\_2 \geq t\_3:\\
\;\;\;\;t\_7 \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
if dY.u < 4e10Initial program 76.9%
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.f3269.3
Applied rewrites69.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3269.3
Applied rewrites69.3%
lift-*.f32N/A
pow2N/A
lower-pow.f3269.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3269.3
Applied rewrites69.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3269.4
Applied rewrites69.4%
if 4e10 < dY.u Initial program 56.4%
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.f3239.1
Applied rewrites39.1%
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.f3238.5
Applied rewrites38.5%
(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_1 t_1))
(t_3 (* (floor w) dY.u))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_3 t_3) (* t_4 t_4))))
(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 (+ (* (pow (floor w) 2.0) (* dX.u dX.u)) t_2) t_5)))
t_1)
(* (/ 1.0 (sqrt (fmax (+ (* t_0 t_0) t_2) t_5))) 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(w) * dX_46_u;
float t_1 = floorf(h) * dX_46_v;
float t_2 = t_1 * t_1;
float t_3 = floorf(w) * dY_46_u;
float t_4 = floorf(h) * dY_46_v;
float t_5 = (t_3 * t_3) + (t_4 * t_4);
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(((powf(floorf(w), 2.0f) * (dX_46_u * dX_46_u)) + t_2), t_5))) * t_1;
} else {
tmp = (1.0f / sqrtf(fmaxf(((t_0 * t_0) + t_2), t_5))) * 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(w) * dX_46_u) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(t_1 * t_1) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) 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(fmax(Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dX_46_u * dX_46_u)) + t_2), t_5))) * t_1); else tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(Float32(Float32(t_0 * t_0) + t_2), t_5))) * 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(w) * dX_46_u; t_1 = floor(h) * dX_46_v; t_2 = t_1 * t_1; t_3 = floor(w) * dY_46_u; t_4 = floor(h) * dY_46_v; t_5 = (t_3 * t_3) + (t_4 * t_4); 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((((floor(w) ^ single(2.0)) * (dX_46_u * dX_46_u)) + t_2), t_5))) * t_1; else tmp = (single(1.0) / sqrt(max(((t_0 * t_0) + t_2), t_5))) * t_4; 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 dX.v\\
t_2 := t\_1 \cdot t\_1\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := t\_3 \cdot t\_3 + t\_4 \cdot t\_4\\
\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({\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dX.u \cdot dX.u\right) + t\_2, t\_5\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_0 \cdot t\_0 + t\_2, t\_5\right)}} \cdot t\_4\\
\end{array}
\end{array}
Initial program 75.2%
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.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3266.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3266.9
Applied rewrites66.9%
(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 (* (floor w) dY.u))
(t_3 (* (floor h) dY.v))
(t_4 (* t_3 t_3))
(t_5 (+ (* t_0 t_0) (* t_1 t_1))))
(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_5 (+ (* t_2 t_2) t_4)))) t_1)
(*
(/ 1.0 (sqrt (fmax t_5 (+ (* (pow (floor w) 2.0) (* dY.u dY.u)) t_4))))
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) * dX_46_u;
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dY_46_v;
float t_4 = t_3 * t_3;
float t_5 = (t_0 * t_0) + (t_1 * t_1);
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_5, ((t_2 * t_2) + t_4)))) * t_1;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_5, ((powf(floorf(w), 2.0f) * (dY_46_u * dY_46_u)) + t_4)))) * 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) * dX_46_u) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(t_3 * t_3) t_5 = Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) 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(fmax(t_5, Float32(Float32(t_2 * t_2) + t_4)))) * t_1); else tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_5, Float32(Float32((floor(w) ^ Float32(2.0)) * Float32(dY_46_u * dY_46_u)) + t_4)))) * t_3); 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) * dX_46_v; t_2 = floor(w) * dY_46_u; t_3 = floor(h) * dY_46_v; t_4 = t_3 * t_3; t_5 = (t_0 * t_0) + (t_1 * t_1); 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_5, ((t_2 * t_2) + t_4)))) * t_1; else tmp = (single(1.0) / sqrt(max(t_5, (((floor(w) ^ single(2.0)) * (dY_46_u * dY_46_u)) + t_4)))) * t_3; 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 dX.v\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := t\_3 \cdot t\_3\\
t_5 := t\_0 \cdot t\_0 + t\_1 \cdot t\_1\\
\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\_5, t\_2 \cdot t\_2 + t\_4\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_5, {\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dY.u \cdot dY.u\right) + t\_4\right)}} \cdot t\_3\\
\end{array}
\end{array}
Initial program 75.2%
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.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3266.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-*.f3266.8
Applied rewrites66.8%
(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 (+ (* (floor w) (* (floor w) (* dY.u dY.u))) t_2))))
t_0)
(* (/ 1.0 (sqrt (fmax t_4 (+ (* t_5 t_5) t_2)))) 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(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, ((floorf(w) * (floorf(w) * (dY_46_u * dY_46_u))) + t_2)))) * t_0;
} else {
tmp = (1.0f / sqrtf(fmaxf(t_4, ((t_5 * t_5) + t_2)))) * 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(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(fmax(t_4, Float32(Float32(floor(w) * Float32(floor(w) * Float32(dY_46_u * dY_46_u))) + t_2)))) * t_0); else tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_4, Float32(Float32(t_5 * t_5) + t_2)))) * 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(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) * (floor(w) * (dY_46_u * dY_46_u))) + t_2)))) * t_0; else tmp = (single(1.0) / sqrt(max(t_4, ((t_5 * t_5) + t_2)))) * 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 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\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dY.u \cdot dY.u\right)\right) + 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\_1\\
\end{array}
\end{array}
Initial program 75.2%
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.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3266.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
lift-*.f32N/A
lift-pow.f32N/A
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f3266.8
Applied rewrites66.8%
(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_0)
(* t_4 t_2))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(h) * 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_0;
} else {
tmp = t_4 * t_2;
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * 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(fmax(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_0); else tmp = Float32(t_4 * 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 = 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_0; else tmp = t_4 * t_2; 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\_0\\
\mathbf{else}:\\
\;\;\;\;t\_4 \cdot t\_2\\
\end{array}
\end{array}
Initial program 75.2%
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.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3266.8
Applied rewrites66.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3266.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3266.8
Applied rewrites66.8%
Applied rewrites66.8%
herbie shell --seed 2024354
(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))))