
(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 (* dY.v (floor h)))
(t_1 (pow t_0 2.0))
(t_2 (pow (* dY.u (floor w)) 2.0))
(t_3 (* (floor w) dY.u))
(t_4 (* dX.v (floor h)))
(t_5 (* (floor h) dX.v))
(t_6 (pow t_4 2.0))
(t_7 (pow (* dX.u (floor w)) 2.0))
(t_8 (* (floor h) dY.v)))
(if (>= (+ t_7 (* t_5 t_5)) (+ (* t_3 t_3) (* t_8 t_8)))
(/ t_4 (sqrt (fmax (+ t_7 t_6) (- t_1 t_2))))
(/ t_0 (sqrt (fmax (+ t_6 t_7) (+ t_1 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 = dY_46_v * floorf(h);
float t_1 = powf(t_0, 2.0f);
float t_2 = powf((dY_46_u * floorf(w)), 2.0f);
float t_3 = floorf(w) * dY_46_u;
float t_4 = dX_46_v * floorf(h);
float t_5 = floorf(h) * dX_46_v;
float t_6 = powf(t_4, 2.0f);
float t_7 = powf((dX_46_u * floorf(w)), 2.0f);
float t_8 = floorf(h) * dY_46_v;
float tmp;
if ((t_7 + (t_5 * t_5)) >= ((t_3 * t_3) + (t_8 * t_8))) {
tmp = t_4 / sqrtf(fmaxf((t_7 + t_6), (t_1 - t_2)));
} else {
tmp = t_0 / sqrtf(fmaxf((t_6 + t_7), (t_1 + t_2)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_v * floor(h)) t_1 = t_0 ^ Float32(2.0) t_2 = Float32(dY_46_u * floor(w)) ^ Float32(2.0) t_3 = Float32(floor(w) * dY_46_u) t_4 = Float32(dX_46_v * floor(h)) t_5 = Float32(floor(h) * dX_46_v) t_6 = t_4 ^ Float32(2.0) t_7 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_8 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32(t_7 + Float32(t_5 * t_5)) >= Float32(Float32(t_3 * t_3) + Float32(t_8 * t_8))) tmp = Float32(t_4 / sqrt(fmax(Float32(t_7 + t_6), Float32(t_1 - t_2)))); else tmp = Float32(t_0 / sqrt(fmax(Float32(t_6 + t_7), Float32(t_1 + t_2)))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = dY_46_v * floor(h); t_1 = t_0 ^ single(2.0); t_2 = (dY_46_u * floor(w)) ^ single(2.0); t_3 = floor(w) * dY_46_u; t_4 = dX_46_v * floor(h); t_5 = floor(h) * dX_46_v; t_6 = t_4 ^ single(2.0); t_7 = (dX_46_u * floor(w)) ^ single(2.0); t_8 = floor(h) * dY_46_v; tmp = single(0.0); if ((t_7 + (t_5 * t_5)) >= ((t_3 * t_3) + (t_8 * t_8))) tmp = t_4 / sqrt(max((t_7 + t_6), (t_1 - t_2))); else tmp = t_0 / sqrt(max((t_6 + t_7), (t_1 + t_2))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_1 := {t\_0}^{2}\\
t_2 := {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := dX.v \cdot \left\lfloor h\right\rfloor \\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_6 := {t\_4}^{2}\\
t_7 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_8 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;t\_7 + t\_5 \cdot t\_5 \geq t\_3 \cdot t\_3 + t\_8 \cdot t\_8:\\
\;\;\;\;\frac{t\_4}{\sqrt{\mathsf{max}\left(t\_7 + t\_6, t\_1 - t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(t\_6 + t\_7, t\_1 + t\_2\right)}}\\
\end{array}
\end{array}
Initial program 77.1%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites77.2%
Applied rewrites77.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.2
Applied rewrites77.2%
Applied rewrites77.4%
Final simplification77.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (* (pow (floor h) 2.0) dY.v) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (* t_0 t_0))
(t_4 (pow (* dX.u (floor w)) 2.0))
(t_5 (* (floor h) dY.v))
(t_6 (+ t_3 (* t_5 t_5)))
(t_7 (* (floor w) dX.u))
(t_8 (+ (* t_7 t_7) (* t_2 t_2)))
(t_9 (/ 1.0 (sqrt (fmax t_8 t_6))))
(t_10 (* t_9 t_5))
(t_11 (* t_9 t_2))
(t_12 (* dY.v (floor h))))
(if (<= (if (>= t_8 t_6) t_11 t_10) -1.0000000180025095e-35)
(if (>= (+ t_4 (exp (* (log (* (- dX.v) (floor h))) 2.0))) t_1) t_11 t_10)
(if (>= (+ t_4 (pow (* dX.v (floor h)) 2.0)) t_1)
t_11
(* (/ 1.0 (sqrt (fmax t_8 (+ t_3 (* t_12 (fabs t_12)))))) t_5)))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = floorf(w) * dY_46_u;
float t_1 = (powf(floorf(h), 2.0f) * dY_46_v) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = t_0 * t_0;
float t_4 = powf((dX_46_u * floorf(w)), 2.0f);
float t_5 = floorf(h) * dY_46_v;
float t_6 = t_3 + (t_5 * t_5);
float t_7 = floorf(w) * dX_46_u;
float t_8 = (t_7 * t_7) + (t_2 * t_2);
float t_9 = 1.0f / sqrtf(fmaxf(t_8, t_6));
float t_10 = t_9 * t_5;
float t_11 = t_9 * t_2;
float t_12 = dY_46_v * floorf(h);
float tmp;
if (t_8 >= t_6) {
tmp = t_11;
} else {
tmp = t_10;
}
float tmp_2;
if (tmp <= -1.0000000180025095e-35f) {
float tmp_3;
if ((t_4 + expf((logf((-dX_46_v * floorf(h))) * 2.0f))) >= t_1) {
tmp_3 = t_11;
} else {
tmp_3 = t_10;
}
tmp_2 = tmp_3;
} else if ((t_4 + powf((dX_46_v * floorf(h)), 2.0f)) >= t_1) {
tmp_2 = t_11;
} else {
tmp_2 = (1.0f / sqrtf(fmaxf(t_8, (t_3 + (t_12 * fabsf(t_12)))))) * t_5;
}
return tmp_2;
}
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(Float32((floor(h) ^ Float32(2.0)) * dY_46_v) * dY_46_v) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(t_0 * t_0) t_4 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_5 = Float32(floor(h) * dY_46_v) t_6 = Float32(t_3 + Float32(t_5 * t_5)) t_7 = Float32(floor(w) * dX_46_u) t_8 = Float32(Float32(t_7 * t_7) + Float32(t_2 * t_2)) t_9 = Float32(Float32(1.0) / sqrt(fmax(t_8, t_6))) t_10 = Float32(t_9 * t_5) t_11 = Float32(t_9 * t_2) t_12 = Float32(dY_46_v * floor(h)) tmp = Float32(0.0) if (t_8 >= t_6) tmp = t_11; else tmp = t_10; end tmp_2 = Float32(0.0) if (tmp <= Float32(-1.0000000180025095e-35)) tmp_3 = Float32(0.0) if (Float32(t_4 + exp(Float32(log(Float32(Float32(-dX_46_v) * floor(h))) * Float32(2.0)))) >= t_1) tmp_3 = t_11; else tmp_3 = t_10; end tmp_2 = tmp_3; elseif (Float32(t_4 + (Float32(dX_46_v * floor(h)) ^ Float32(2.0))) >= t_1) tmp_2 = t_11; else tmp_2 = Float32(Float32(Float32(1.0) / sqrt(fmax(t_8, Float32(t_3 + Float32(t_12 * abs(t_12)))))) * t_5); end return tmp_2 end
function tmp_5 = 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) ^ single(2.0)) * dY_46_v) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = t_0 * t_0; t_4 = (dX_46_u * floor(w)) ^ single(2.0); t_5 = floor(h) * dY_46_v; t_6 = t_3 + (t_5 * t_5); t_7 = floor(w) * dX_46_u; t_8 = (t_7 * t_7) + (t_2 * t_2); t_9 = single(1.0) / sqrt(max(t_8, t_6)); t_10 = t_9 * t_5; t_11 = t_9 * t_2; t_12 = dY_46_v * floor(h); tmp = single(0.0); if (t_8 >= t_6) tmp = t_11; else tmp = t_10; end tmp_3 = single(0.0); if (tmp <= single(-1.0000000180025095e-35)) tmp_4 = single(0.0); if ((t_4 + exp((log((-dX_46_v * floor(h))) * single(2.0)))) >= t_1) tmp_4 = t_11; else tmp_4 = t_10; end tmp_3 = tmp_4; elseif ((t_4 + ((dX_46_v * floor(h)) ^ single(2.0))) >= t_1) tmp_3 = t_11; else tmp_3 = (single(1.0) / sqrt(max(t_8, (t_3 + (t_12 * abs(t_12)))))) * t_5; end tmp_5 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dY.v\right) \cdot dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := t\_0 \cdot t\_0\\
t_4 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_5 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_6 := t\_3 + t\_5 \cdot t\_5\\
t_7 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_8 := t\_7 \cdot t\_7 + t\_2 \cdot t\_2\\
t_9 := \frac{1}{\sqrt{\mathsf{max}\left(t\_8, t\_6\right)}}\\
t_10 := t\_9 \cdot t\_5\\
t_11 := t\_9 \cdot t\_2\\
t_12 := dY.v \cdot \left\lfloor h\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_8 \geq t\_6:\\
\;\;\;\;t\_11\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} \leq -1.0000000180025095 \cdot 10^{-35}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_4 + e^{\log \left(\left(-dX.v\right) \cdot \left\lfloor h\right\rfloor \right) \cdot 2} \geq t\_1:\\
\;\;\;\;t\_11\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
\mathbf{elif}\;t\_4 + {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} \geq t\_1:\\
\;\;\;\;t\_11\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_8, t\_3 + t\_12 \cdot \left|t\_12\right|\right)}} \cdot t\_5\\
\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))) < -1.00000002e-35Initial program 99.0%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3278.3
Applied rewrites78.3%
lift-*.f32N/A
pow2N/A
lower-pow.f3278.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3278.3
Applied rewrites78.3%
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.f3295.0
Applied rewrites95.0%
if -1.00000002e-35 < (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 62.8%
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.f3251.0
Applied rewrites51.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3251.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3251.0
Applied rewrites51.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3251.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3251.0
Applied rewrites51.0%
lift-*.f32N/A
fabs-sqrN/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*l*N/A
lift-*.f32N/A
lift-*.f32N/A
*-rgt-identityN/A
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
lift-pow.f32N/A
unpow2N/A
swap-sqrN/A
lift-*.f32N/A
lift-*.f32N/A
sqr-neg-revN/A
associate-*l*N/A
Applied rewrites51.2%
Final simplification68.5%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* dY.u (floor w)) 2.0))
(t_1 (* dY.v (floor h)))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor w) dY.u))
(t_4 (pow t_1 2.0))
(t_5 (pow (* dX.u (floor w)) 2.0))
(t_6 (+ (pow (* dX.v (floor h)) 2.0) t_5))
(t_7 (* (floor h) dY.v)))
(if (>= (+ t_5 (* t_2 t_2)) (+ (* t_3 t_3) (* t_7 t_7)))
(* (/ 1.0 (sqrt (fmax t_6 (+ t_0 t_4)))) t_2)
(/ t_1 (sqrt (fmax t_6 (+ t_4 t_0)))))))
float code(float w, float h, float dX_46_u, float dX_46_v, float dY_46_u, float dY_46_v, float maxAniso) {
float t_0 = powf((dY_46_u * floorf(w)), 2.0f);
float t_1 = dY_46_v * floorf(h);
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(w) * dY_46_u;
float t_4 = powf(t_1, 2.0f);
float t_5 = powf((dX_46_u * floorf(w)), 2.0f);
float t_6 = powf((dX_46_v * floorf(h)), 2.0f) + t_5;
float t_7 = floorf(h) * dY_46_v;
float tmp;
if ((t_5 + (t_2 * t_2)) >= ((t_3 * t_3) + (t_7 * t_7))) {
tmp = (1.0f / sqrtf(fmaxf(t_6, (t_0 + t_4)))) * t_2;
} else {
tmp = t_1 / sqrtf(fmaxf(t_6, (t_4 + t_0)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_u * floor(w)) ^ Float32(2.0) t_1 = Float32(dY_46_v * floor(h)) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(w) * dY_46_u) t_4 = t_1 ^ Float32(2.0) t_5 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_6 = Float32((Float32(dX_46_v * floor(h)) ^ Float32(2.0)) + t_5) t_7 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32(t_5 + Float32(t_2 * t_2)) >= Float32(Float32(t_3 * t_3) + Float32(t_7 * t_7))) tmp = Float32(Float32(Float32(1.0) / sqrt(fmax(t_6, Float32(t_0 + t_4)))) * t_2); else tmp = Float32(t_1 / sqrt(fmax(t_6, Float32(t_4 + t_0)))); end return tmp end
function tmp_2 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = (dY_46_u * floor(w)) ^ single(2.0); t_1 = dY_46_v * floor(h); t_2 = floor(h) * dX_46_v; t_3 = floor(w) * dY_46_u; t_4 = t_1 ^ single(2.0); t_5 = (dX_46_u * floor(w)) ^ single(2.0); t_6 = ((dX_46_v * floor(h)) ^ single(2.0)) + t_5; t_7 = floor(h) * dY_46_v; tmp = single(0.0); if ((t_5 + (t_2 * t_2)) >= ((t_3 * t_3) + (t_7 * t_7))) tmp = (single(1.0) / sqrt(max(t_6, (t_0 + t_4)))) * t_2; else tmp = t_1 / sqrt(max(t_6, (t_4 + t_0))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_4 := {t\_1}^{2}\\
t_5 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2} + t\_5\\
t_7 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;t\_5 + t\_2 \cdot t\_2 \geq t\_3 \cdot t\_3 + t\_7 \cdot t\_7:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_0 + t\_4\right)}} \cdot t\_2\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_1}{\sqrt{\mathsf{max}\left(t\_6, t\_4 + t\_0\right)}}\\
\end{array}
\end{array}
Initial program 77.1%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites77.2%
Applied rewrites77.2%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.2
Applied rewrites77.2%
Final simplification77.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (* (floor 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 2000000.0)
(if (>= (+ (pow (* dX.u (floor w)) 2.0) (pow (* dX.v (floor h)) 2.0)) t_3)
(*
(/
1.0
(sqrt (fmax (+ (* (floor w) (* (floor w) (* 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 <= 2000000.0f) {
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(((floorf(w) * (floorf(w) * (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(2000000.0)) 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(floor(w) * 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(2000000.0)) 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) * (floor(w) * (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 2000000:\\
\;\;\;\;\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\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\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 < 2e6Initial program 79.9%
Taylor expanded in dY.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3266.3
Applied rewrites66.3%
lift-*.f32N/A
pow2N/A
lower-pow.f3266.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3266.3
Applied rewrites66.3%
lift-*.f32N/A
pow2N/A
lower-pow.f3266.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3266.3
Applied rewrites66.3%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3266.3
Applied rewrites66.3%
if 2e6 < dY.u Initial program 64.9%
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.f3242.2
Applied rewrites42.2%
lift-*.f32N/A
sqr-neg-revN/A
pow2N/A
pow-to-expN/A
lower-exp.f32N/A
lower-*.f32N/A
lower-log.f32N/A
lift-*.f32N/A
*-commutativeN/A
distribute-lft-neg-inN/A
lower-*.f32N/A
lower-neg.f3245.8
Applied rewrites45.8%
(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(Float32((floor(w) ^ Float32(2.0)) * 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(\left\lfloor w\right\rfloor \right)}^{2} \cdot dX.u\right) \cdot dX.u + 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 77.1%
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.f3261.8
Applied rewrites61.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3261.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3261.8
Applied rewrites61.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3261.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3261.8
Applied rewrites61.8%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f3261.8
Applied rewrites61.8%
(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 (+ (* (floor w) (* (floor w) (* 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(((floorf(w) * (floorf(w) * (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(floor(w) * 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) * (floor(w) * (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\lfloor w\right\rfloor \cdot \left(\left\lfloor w\right\rfloor \cdot \left(dX.u \cdot dX.u\right)\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 77.1%
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.f3261.8
Applied rewrites61.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3261.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3261.8
Applied rewrites61.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3261.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3261.8
Applied rewrites61.8%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3261.8
Applied rewrites61.8%
(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 77.1%
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.f3261.8
Applied rewrites61.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3261.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3261.8
Applied rewrites61.8%
lift-*.f32N/A
pow2N/A
lower-pow.f3261.8
lift-*.f32N/A
*-commutativeN/A
lift-*.f3261.8
Applied rewrites61.8%
Applied rewrites61.8%
herbie shell --seed 2024346
(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))))