
(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(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(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 8 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(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(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) (pow (* dY.u (floor w)) 2.0)))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dX.v))
(t_4 (pow (* dX.v (floor h)) 2.0))
(t_5 (pow (* dX.u (floor w)) 2.0))
(t_6 (* (floor h) dY.v)))
(if (>= (+ t_5 (* t_3 t_3)) (+ (* t_2 t_2) (* t_6 t_6)))
(* (/ (floor h) (sqrt (fmax (+ t_5 t_4) t_1))) dX.v)
(/ t_0 (sqrt (fmax (+ t_4 t_5) 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 = dY_46_v * floorf(h);
float t_1 = powf(t_0, 2.0f) + powf((dY_46_u * floorf(w)), 2.0f);
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dX_46_v;
float t_4 = powf((dX_46_v * floorf(h)), 2.0f);
float t_5 = powf((dX_46_u * floorf(w)), 2.0f);
float t_6 = floorf(h) * dY_46_v;
float tmp;
if ((t_5 + (t_3 * t_3)) >= ((t_2 * t_2) + (t_6 * t_6))) {
tmp = (floorf(h) / sqrtf(fmaxf((t_5 + t_4), t_1))) * dX_46_v;
} else {
tmp = t_0 / sqrtf(fmaxf((t_4 + t_5), t_1));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dY_46_v * floor(h)) t_1 = Float32((t_0 ^ Float32(2.0)) + (Float32(dY_46_u * floor(w)) ^ Float32(2.0))) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(dX_46_v * floor(h)) ^ Float32(2.0) t_5 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_6 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32(t_5 + Float32(t_3 * t_3)) >= Float32(Float32(t_2 * t_2) + Float32(t_6 * t_6))) tmp = Float32(Float32(floor(h) / sqrt(((Float32(t_5 + t_4) != Float32(t_5 + t_4)) ? t_1 : ((t_1 != t_1) ? Float32(t_5 + t_4) : max(Float32(t_5 + t_4), t_1))))) * dX_46_v); else tmp = Float32(t_0 / sqrt(((Float32(t_4 + t_5) != Float32(t_4 + t_5)) ? t_1 : ((t_1 != t_1) ? Float32(t_4 + t_5) : max(Float32(t_4 + t_5), 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 = dY_46_v * floor(h); t_1 = (t_0 ^ single(2.0)) + ((dY_46_u * floor(w)) ^ single(2.0)); t_2 = floor(w) * dY_46_u; t_3 = floor(h) * dX_46_v; t_4 = (dX_46_v * floor(h)) ^ single(2.0); t_5 = (dX_46_u * floor(w)) ^ single(2.0); t_6 = floor(h) * dY_46_v; tmp = single(0.0); if ((t_5 + (t_3 * t_3)) >= ((t_2 * t_2) + (t_6 * t_6))) tmp = (floor(h) / sqrt(max((t_5 + t_4), t_1))) * dX_46_v; else tmp = t_0 / sqrt(max((t_4 + t_5), t_1)); 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} + {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_5 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;t\_5 + t\_3 \cdot t\_3 \geq t\_2 \cdot t\_2 + t\_6 \cdot t\_6:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor }{\sqrt{\mathsf{max}\left(t\_5 + t\_4, t\_1\right)}} \cdot dX.v\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(t\_4 + t\_5, t\_1\right)}}\\
\end{array}
\end{array}
Initial program 76.9%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites77.1%
Applied rewrites77.1%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.1
Applied rewrites77.1%
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) dY.u))
(t_1 (* (floor h) dX.v))
(t_2 (* (* (pow (floor h) 2.0) dX.v) dX.v))
(t_3 (* (floor h) dY.v))
(t_4 (+ (* t_0 t_0) (* t_3 t_3)))
(t_5 (pow (* dY.u (floor w)) 2.0))
(t_6 (* (floor w) dX.u))
(t_7 (* t_6 t_6))
(t_8 (+ t_7 (* t_1 t_1)))
(t_9 (/ 1.0 (sqrt (fmax t_8 t_4))))
(t_10 (* t_9 t_3))
(t_11 (* t_9 t_1))
(t_12 (* dY.v (floor h))))
(if (<= (if (>= t_8 t_4) t_11 t_10) -0.0010000000474974513)
(if (>= t_2 (+ t_5 (pow t_12 2.0)))
(* (/ 1.0 (sqrt (fmax (+ t_7 t_2) t_4))) t_1)
t_10)
(if (>= t_2 (+ t_5 (* t_12 (fabs t_12)))) t_11 t_10))))
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) * dX_46_v;
float t_2 = (powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v;
float t_3 = floorf(h) * dY_46_v;
float t_4 = (t_0 * t_0) + (t_3 * t_3);
float t_5 = powf((dY_46_u * floorf(w)), 2.0f);
float t_6 = floorf(w) * dX_46_u;
float t_7 = t_6 * t_6;
float t_8 = t_7 + (t_1 * t_1);
float t_9 = 1.0f / sqrtf(fmaxf(t_8, t_4));
float t_10 = t_9 * t_3;
float t_11 = t_9 * t_1;
float t_12 = dY_46_v * floorf(h);
float tmp;
if (t_8 >= t_4) {
tmp = t_11;
} else {
tmp = t_10;
}
float tmp_2;
if (tmp <= -0.0010000000474974513f) {
float tmp_3;
if (t_2 >= (t_5 + powf(t_12, 2.0f))) {
tmp_3 = (1.0f / sqrtf(fmaxf((t_7 + t_2), t_4))) * t_1;
} else {
tmp_3 = t_10;
}
tmp_2 = tmp_3;
} else if (t_2 >= (t_5 + (t_12 * fabsf(t_12)))) {
tmp_2 = t_11;
} else {
tmp_2 = t_10;
}
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(floor(h) * dX_46_v) t_2 = Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(Float32(t_0 * t_0) + Float32(t_3 * t_3)) t_5 = Float32(dY_46_u * floor(w)) ^ Float32(2.0) t_6 = Float32(floor(w) * dX_46_u) t_7 = Float32(t_6 * t_6) t_8 = Float32(t_7 + Float32(t_1 * t_1)) t_9 = Float32(Float32(1.0) / sqrt(((t_8 != t_8) ? t_4 : ((t_4 != t_4) ? t_8 : max(t_8, t_4))))) t_10 = Float32(t_9 * t_3) t_11 = Float32(t_9 * t_1) t_12 = Float32(dY_46_v * floor(h)) tmp = Float32(0.0) if (t_8 >= t_4) tmp = t_11; else tmp = t_10; end tmp_2 = Float32(0.0) if (tmp <= Float32(-0.0010000000474974513)) tmp_3 = Float32(0.0) if (t_2 >= Float32(t_5 + (t_12 ^ Float32(2.0)))) tmp_3 = Float32(Float32(Float32(1.0) / sqrt(((Float32(t_7 + t_2) != Float32(t_7 + t_2)) ? t_4 : ((t_4 != t_4) ? Float32(t_7 + t_2) : max(Float32(t_7 + t_2), t_4))))) * t_1); else tmp_3 = t_10; end tmp_2 = tmp_3; elseif (t_2 >= Float32(t_5 + Float32(t_12 * abs(t_12)))) tmp_2 = t_11; else tmp_2 = t_10; 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) * dX_46_v; t_2 = ((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v; t_3 = floor(h) * dY_46_v; t_4 = (t_0 * t_0) + (t_3 * t_3); t_5 = (dY_46_u * floor(w)) ^ single(2.0); t_6 = floor(w) * dX_46_u; t_7 = t_6 * t_6; t_8 = t_7 + (t_1 * t_1); t_9 = single(1.0) / sqrt(max(t_8, t_4)); t_10 = t_9 * t_3; t_11 = t_9 * t_1; t_12 = dY_46_v * floor(h); tmp = single(0.0); if (t_8 >= t_4) tmp = t_11; else tmp = t_10; end tmp_3 = single(0.0); if (tmp <= single(-0.0010000000474974513)) tmp_4 = single(0.0); if (t_2 >= (t_5 + (t_12 ^ single(2.0)))) tmp_4 = (single(1.0) / sqrt(max((t_7 + t_2), t_4))) * t_1; else tmp_4 = t_10; end tmp_3 = tmp_4; elseif (t_2 >= (t_5 + (t_12 * abs(t_12)))) tmp_3 = t_11; else tmp_3 = t_10; 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\lfloor h\right\rfloor \cdot dX.v\\
t_2 := \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v\\
t_3 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_4 := t\_0 \cdot t\_0 + t\_3 \cdot t\_3\\
t_5 := {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_7 := t\_6 \cdot t\_6\\
t_8 := t\_7 + t\_1 \cdot t\_1\\
t_9 := \frac{1}{\sqrt{\mathsf{max}\left(t\_8, t\_4\right)}}\\
t_10 := t\_9 \cdot t\_3\\
t_11 := t\_9 \cdot t\_1\\
t_12 := dY.v \cdot \left\lfloor h\right\rfloor \\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_8 \geq t\_4:\\
\;\;\;\;t\_11\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array} \leq -0.0010000000474974513:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_2 \geq t\_5 + {t\_12}^{2}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_7 + t\_2, t\_4\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
\mathbf{elif}\;t\_2 \geq t\_5 + t\_12 \cdot \left|t\_12\right|:\\
\;\;\;\;t\_11\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
if (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) < -0.00100000005Initial program 99.4%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3297.7
Applied rewrites97.7%
lift-*.f32N/A
pow2N/A
lower-pow.f3297.7
lift-*.f32N/A
*-commutativeN/A
lift-*.f3297.7
Applied rewrites97.7%
lift-*.f32N/A
pow2N/A
lower-pow.f3297.7
lift-*.f32N/A
*-commutativeN/A
lift-*.f3297.7
Applied rewrites97.7%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
unpow2N/A
lift-pow.f32N/A
sqr-neg-revN/A
lift-neg.f32N/A
lift-neg.f32N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f3297.8
Applied rewrites97.8%
if -0.00100000005 < (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 70.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3258.4
Applied rewrites58.4%
lift-*.f32N/A
pow2N/A
lower-pow.f3258.4
lift-*.f32N/A
*-commutativeN/A
lift-*.f3258.4
Applied rewrites58.4%
lift-*.f32N/A
pow2N/A
lower-pow.f3258.4
lift-*.f32N/A
*-commutativeN/A
lift-*.f3258.4
rem-square-sqrtN/A
sqrt-unprodN/A
rem-sqrt-square-revN/A
*-rgt-identityN/A
lift-pow.f32N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
sqr-neg-revN/A
associate-*l*N/A
fabs-mulN/A
Applied rewrites62.8%
Final simplification70.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (* dX.v (floor h)) 2.0))
(t_1 (pow (* dY.u (floor w)) 2.0))
(t_2 (* dY.v (floor h)))
(t_3 (pow t_2 2.0))
(t_4 (* (floor w) dY.u))
(t_5 (pow (* dX.u (floor w)) 2.0))
(t_6 (+ t_5 t_0))
(t_7 (* (floor h) dY.v)))
(if (>= t_6 (+ (* t_4 t_4) (* t_7 t_7)))
(* (/ 1.0 (sqrt (fmax t_6 (+ t_1 t_3)))) (* (floor h) dX.v))
(/ t_2 (sqrt (fmax (+ t_0 t_5) (+ t_3 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 = powf((dX_46_v * floorf(h)), 2.0f);
float t_1 = powf((dY_46_u * floorf(w)), 2.0f);
float t_2 = dY_46_v * floorf(h);
float t_3 = powf(t_2, 2.0f);
float t_4 = floorf(w) * dY_46_u;
float t_5 = powf((dX_46_u * floorf(w)), 2.0f);
float t_6 = t_5 + t_0;
float t_7 = floorf(h) * dY_46_v;
float tmp;
if (t_6 >= ((t_4 * t_4) + (t_7 * t_7))) {
tmp = (1.0f / sqrtf(fmaxf(t_6, (t_1 + t_3)))) * (floorf(h) * dX_46_v);
} else {
tmp = t_2 / sqrtf(fmaxf((t_0 + t_5), (t_3 + t_1)));
}
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)) ^ Float32(2.0) t_1 = Float32(dY_46_u * floor(w)) ^ Float32(2.0) t_2 = Float32(dY_46_v * floor(h)) t_3 = t_2 ^ Float32(2.0) t_4 = Float32(floor(w) * dY_46_u) t_5 = Float32(dX_46_u * floor(w)) ^ Float32(2.0) t_6 = Float32(t_5 + t_0) t_7 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (t_6 >= Float32(Float32(t_4 * t_4) + Float32(t_7 * t_7))) tmp = Float32(Float32(Float32(1.0) / sqrt(((t_6 != t_6) ? Float32(t_1 + t_3) : ((Float32(t_1 + t_3) != Float32(t_1 + t_3)) ? t_6 : max(t_6, Float32(t_1 + t_3)))))) * Float32(floor(h) * dX_46_v)); else tmp = Float32(t_2 / sqrt(((Float32(t_0 + t_5) != Float32(t_0 + t_5)) ? Float32(t_3 + t_1) : ((Float32(t_3 + t_1) != Float32(t_3 + t_1)) ? Float32(t_0 + t_5) : max(Float32(t_0 + t_5), Float32(t_3 + 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 = (dX_46_v * floor(h)) ^ single(2.0); t_1 = (dY_46_u * floor(w)) ^ single(2.0); t_2 = dY_46_v * floor(h); t_3 = t_2 ^ single(2.0); t_4 = floor(w) * dY_46_u; t_5 = (dX_46_u * floor(w)) ^ single(2.0); t_6 = t_5 + t_0; t_7 = floor(h) * dY_46_v; tmp = single(0.0); if (t_6 >= ((t_4 * t_4) + (t_7 * t_7))) tmp = (single(1.0) / sqrt(max(t_6, (t_1 + t_3)))) * (floor(h) * dX_46_v); else tmp = t_2 / sqrt(max((t_0 + t_5), (t_3 + t_1))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(dX.v \cdot \left\lfloor h\right\rfloor \right)}^{2}\\
t_1 := {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_2 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_3 := {t\_2}^{2}\\
t_4 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_5 := {\left(dX.u \cdot \left\lfloor w\right\rfloor \right)}^{2}\\
t_6 := t\_5 + t\_0\\
t_7 := \left\lfloor h\right\rfloor \cdot dY.v\\
\mathbf{if}\;t\_6 \geq t\_4 \cdot t\_4 + t\_7 \cdot t\_7:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_1 + t\_3\right)}} \cdot \left(\left\lfloor h\right\rfloor \cdot dX.v\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_2}{\sqrt{\mathsf{max}\left(t\_0 + t\_5, t\_3 + t\_1\right)}}\\
\end{array}
\end{array}
Initial program 76.9%
lift-*.f32N/A
*-commutativeN/A
lift-/.f32N/A
frac-2negN/A
metadata-evalN/A
Applied rewrites77.1%
Applied rewrites77.1%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.1
Applied rewrites77.1%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lift-pow.f3277.1
Applied rewrites77.1%
Final simplification77.1%
(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 (* t_3 t_3))
(t_5 (* dY.v (floor h)))
(t_6 (* (floor h) dY.v))
(t_7 (+ t_4 (* t_6 t_6)))
(t_8 (/ 1.0 (sqrt (fmax (+ (* t_0 t_0) t_2) t_7))))
(t_9 (* (* (pow (floor h) 2.0) dX.v) dX.v))
(t_10 (* t_8 t_6)))
(if (<= dX.u 261000003584.0)
(if (>= t_9 (+ (pow (* dY.u (floor w)) 2.0) (pow t_5 2.0)))
(*
(/ 1.0 (sqrt (fmax (+ (* (* (pow (floor w) 2.0) dX.u) dX.u) t_2) t_7)))
t_1)
t_10)
(if (>= t_9 (+ t_4 (* (pow (* (- dY.v) (floor h)) 1.0) t_5)))
(* t_8 t_1)
t_10))))
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 = t_3 * t_3;
float t_5 = dY_46_v * floorf(h);
float t_6 = floorf(h) * dY_46_v;
float t_7 = t_4 + (t_6 * t_6);
float t_8 = 1.0f / sqrtf(fmaxf(((t_0 * t_0) + t_2), t_7));
float t_9 = (powf(floorf(h), 2.0f) * dX_46_v) * dX_46_v;
float t_10 = t_8 * t_6;
float tmp_1;
if (dX_46_u <= 261000003584.0f) {
float tmp_2;
if (t_9 >= (powf((dY_46_u * floorf(w)), 2.0f) + powf(t_5, 2.0f))) {
tmp_2 = (1.0f / sqrtf(fmaxf((((powf(floorf(w), 2.0f) * dX_46_u) * dX_46_u) + t_2), t_7))) * t_1;
} else {
tmp_2 = t_10;
}
tmp_1 = tmp_2;
} else if (t_9 >= (t_4 + (powf((-dY_46_v * floorf(h)), 1.0f) * t_5))) {
tmp_1 = t_8 * t_1;
} else {
tmp_1 = t_10;
}
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(floor(w) * dY_46_u) t_4 = Float32(t_3 * t_3) t_5 = Float32(dY_46_v * floor(h)) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(t_4 + Float32(t_6 * t_6)) t_8 = Float32(Float32(1.0) / sqrt(((Float32(Float32(t_0 * t_0) + t_2) != Float32(Float32(t_0 * t_0) + t_2)) ? t_7 : ((t_7 != t_7) ? Float32(Float32(t_0 * t_0) + t_2) : max(Float32(Float32(t_0 * t_0) + t_2), t_7))))) t_9 = Float32(Float32((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) t_10 = Float32(t_8 * t_6) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(261000003584.0)) tmp_2 = Float32(0.0) if (t_9 >= Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) + (t_5 ^ Float32(2.0)))) tmp_2 = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) + t_2) != Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) + t_2)) ? t_7 : ((t_7 != t_7) ? Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) + t_2) : max(Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) + t_2), t_7))))) * t_1); else tmp_2 = t_10; end tmp_1 = tmp_2; elseif (t_9 >= Float32(t_4 + Float32((Float32(Float32(-dY_46_v) * floor(h)) ^ Float32(1.0)) * t_5))) tmp_1 = Float32(t_8 * t_1); else tmp_1 = t_10; 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(w) * dY_46_u; t_4 = t_3 * t_3; t_5 = dY_46_v * floor(h); t_6 = floor(h) * dY_46_v; t_7 = t_4 + (t_6 * t_6); t_8 = single(1.0) / sqrt(max(((t_0 * t_0) + t_2), t_7)); t_9 = ((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v; t_10 = t_8 * t_6; tmp_2 = single(0.0); if (dX_46_u <= single(261000003584.0)) tmp_3 = single(0.0); if (t_9 >= (((dY_46_u * floor(w)) ^ single(2.0)) + (t_5 ^ single(2.0)))) tmp_3 = (single(1.0) / sqrt(max(((((floor(w) ^ single(2.0)) * dX_46_u) * dX_46_u) + t_2), t_7))) * t_1; else tmp_3 = t_10; end tmp_2 = tmp_3; elseif (t_9 >= (t_4 + (((-dY_46_v * floor(h)) ^ single(1.0)) * t_5))) tmp_2 = t_8 * t_1; else tmp_2 = t_10; 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\lfloor w\right\rfloor \cdot dY.u\\
t_4 := t\_3 \cdot t\_3\\
t_5 := dY.v \cdot \left\lfloor h\right\rfloor \\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_4 + t\_6 \cdot t\_6\\
t_8 := \frac{1}{\sqrt{\mathsf{max}\left(t\_0 \cdot t\_0 + t\_2, t\_7\right)}}\\
t_9 := \left({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v\\
t_10 := t\_8 \cdot t\_6\\
\mathbf{if}\;dX.u \leq 261000003584:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t\_9 \geq {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {t\_5}^{2}:\\
\;\;\;\;\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\_7\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
\mathbf{elif}\;t\_9 \geq t\_4 + {\left(\left(-dY.v\right) \cdot \left\lfloor h\right\rfloor \right)}^{1} \cdot t\_5:\\
\;\;\;\;t\_8 \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}
\end{array}
if dX.u < 2.61e11Initial program 81.3%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3274.0
Applied rewrites74.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3274.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3274.0
Applied rewrites74.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3274.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3274.0
Applied rewrites74.0%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
pow2N/A
sqr-neg-revN/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-neg.f32N/A
lower-neg.f3274.1
Applied rewrites74.1%
if 2.61e11 < dX.u Initial program 49.7%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3222.3
Applied rewrites22.3%
lift-*.f32N/A
pow2N/A
lower-pow.f3222.3
lift-*.f32N/A
*-commutativeN/A
lift-*.f3222.3
unpow1N/A
*-rgt-identityN/A
*-commutativeN/A
lift-*.f32N/A
*-commutativeN/A
lift-*.f32N/A
lower-pow.f32N/A
pow2N/A
sqr-neg-revN/A
associate-*r*N/A
unpow-prod-downN/A
metadata-evalN/A
sqrt-pow1N/A
pow2N/A
Applied rewrites47.5%
Final simplification70.4%
(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 (* (floor w) dY.u))
(t_4 (* (floor h) dY.v))
(t_5 (+ (* t_3 t_3) (* t_4 t_4))))
(if (>=
(* (* (pow (floor h) 2.0) dX.v) dX.v)
(+ (pow (* dY.u (floor w)) 2.0) (pow (* dY.v (floor h)) 2.0)))
(*
(/ 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(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= (powf((dY_46_u * floorf(w)), 2.0f) + powf((dY_46_v * floorf(h)), 2.0f))) {
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((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))) tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) + t_2) != Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) + t_2)) ? t_5 : ((t_5 != t_5) ? Float32(Float32(Float32((floor(w) ^ Float32(2.0)) * dX_46_u) * dX_46_u) + t_2) : max(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(((Float32(Float32(t_0 * t_0) + t_2) != Float32(Float32(t_0 * t_0) + t_2)) ? t_5 : ((t_5 != t_5) ? Float32(Float32(t_0 * t_0) + t_2) : max(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 ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= (((dY_46_u * floor(w)) ^ single(2.0)) + ((dY_46_v * floor(h)) ^ single(2.0)))) 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({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}:\\
\;\;\;\;\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 76.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3267.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3267.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
unpow-prod-downN/A
pow2N/A
sqr-neg-revN/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-neg.f32N/A
lower-neg.f3267.0
Applied rewrites67.0%
Final simplification67.0%
(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 (floor h) 2.0) dX.v) dX.v)
(+ (pow (* dY.u (floor w)) 2.0) (pow (* dY.v (floor h)) 2.0)))
(* (/ 1.0 (sqrt (fmax (+ (* t_0 t_0) t_2) t_5))) t_1)
(*
(/
1.0
(sqrt (fmax (+ (* (* (* dX.u (floor w)) dX.u) (floor w)) 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(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= (powf((dY_46_u * floorf(w)), 2.0f) + powf((dY_46_v * floorf(h)), 2.0f))) {
tmp = (1.0f / sqrtf(fmaxf(((t_0 * t_0) + t_2), t_5))) * t_1;
} else {
tmp = (1.0f / sqrtf(fmaxf(((((dX_46_u * floorf(w)) * dX_46_u) * floorf(w)) + 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((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))) tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(t_0 * t_0) + t_2) != Float32(Float32(t_0 * t_0) + t_2)) ? t_5 : ((t_5 != t_5) ? Float32(Float32(t_0 * t_0) + t_2) : max(Float32(Float32(t_0 * t_0) + t_2), t_5))))) * t_1); else tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w)) + t_2) != Float32(Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w)) + t_2)) ? t_5 : ((t_5 != t_5) ? Float32(Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w)) + t_2) : max(Float32(Float32(Float32(Float32(dX_46_u * floor(w)) * dX_46_u) * floor(w)) + 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 ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= (((dY_46_u * floor(w)) ^ single(2.0)) + ((dY_46_v * floor(h)) ^ single(2.0)))) tmp = (single(1.0) / sqrt(max(((t_0 * t_0) + t_2), t_5))) * t_1; else tmp = (single(1.0) / sqrt(max(((((dX_46_u * floor(w)) * dX_46_u) * floor(w)) + 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({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_0 \cdot t\_0 + t\_2, t\_5\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(\left(\left(dX.u \cdot \left\lfloor w\right\rfloor \right) \cdot dX.u\right) \cdot \left\lfloor w\right\rfloor + t\_2, t\_5\right)}} \cdot t\_4\\
\end{array}
\end{array}
Initial program 76.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3267.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3267.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lift-*.f32N/A
associate-*r*N/A
lift-*.f32N/A
lower-*.f3267.0
Applied rewrites67.0%
(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 (floor h) 2.0) dX.v) dX.v)
(+ (pow (* dY.u (floor w)) 2.0) (pow (* dY.v (floor h)) 2.0)))
(* (/ 1.0 (sqrt (fmax (+ (* t_0 t_0) t_2) t_5))) t_1)
(*
(/
1.0
(sqrt (fmax (+ (* (floor w) (* (floor w) (* dX.u dX.u))) 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(floorf(h), 2.0f) * dX_46_v) * dX_46_v) >= (powf((dY_46_u * floorf(w)), 2.0f) + powf((dY_46_v * floorf(h)), 2.0f))) {
tmp = (1.0f / sqrtf(fmaxf(((t_0 * t_0) + t_2), t_5))) * t_1;
} else {
tmp = (1.0f / sqrtf(fmaxf(((floorf(w) * (floorf(w) * (dX_46_u * dX_46_u))) + 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((floor(h) ^ Float32(2.0)) * dX_46_v) * dX_46_v) >= Float32((Float32(dY_46_u * floor(w)) ^ Float32(2.0)) + (Float32(dY_46_v * floor(h)) ^ Float32(2.0)))) tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(t_0 * t_0) + t_2) != Float32(Float32(t_0 * t_0) + t_2)) ? t_5 : ((t_5 != t_5) ? Float32(Float32(t_0 * t_0) + t_2) : max(Float32(Float32(t_0 * t_0) + t_2), t_5))))) * t_1); else tmp = Float32(Float32(Float32(1.0) / sqrt(((Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + t_2) != Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + t_2)) ? t_5 : ((t_5 != t_5) ? Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + t_2) : max(Float32(Float32(floor(w) * Float32(floor(w) * Float32(dX_46_u * dX_46_u))) + 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 ((((floor(h) ^ single(2.0)) * dX_46_v) * dX_46_v) >= (((dY_46_u * floor(w)) ^ single(2.0)) + ((dY_46_v * floor(h)) ^ single(2.0)))) tmp = (single(1.0) / sqrt(max(((t_0 * t_0) + t_2), t_5))) * t_1; else tmp = (single(1.0) / sqrt(max(((floor(w) * (floor(w) * (dX_46_u * dX_46_u))) + 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({\left(\left\lfloor h\right\rfloor \right)}^{2} \cdot dX.v\right) \cdot dX.v \geq {\left(dY.u \cdot \left\lfloor w\right\rfloor \right)}^{2} + {\left(dY.v \cdot \left\lfloor h\right\rfloor \right)}^{2}:\\
\;\;\;\;\frac{1}{\sqrt{\mathsf{max}\left(t\_0 \cdot t\_0 + t\_2, t\_5\right)}} \cdot t\_1\\
\mathbf{else}:\\
\;\;\;\;\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\_4\\
\end{array}
\end{array}
Initial program 76.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3267.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3267.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
swap-sqrN/A
lift-*.f32N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f3267.0
Applied rewrites67.0%
(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.v (floor h)) 2.0)
(+ (pow (* dY.u (floor w)) 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_v * floorf(h)), 2.0f) >= (powf((dY_46_u * floorf(w)), 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(((Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) != Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0))) ? Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) : ((Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2)) != Float32(Float32(t_1 * t_1) + Float32(t_2 * t_2))) ? Float32(Float32(t_3 * t_3) + Float32(t_0 * t_0)) : max(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(dX_46_v * floor(h)) ^ 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_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_v * floor(h)) ^ single(2.0)) >= (((dY_46_u * floor(w)) ^ 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.v \cdot \left\lfloor h\right\rfloor \right)}^{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\_0\\
\mathbf{else}:\\
\;\;\;\;t\_4 \cdot t\_2\\
\end{array}
\end{array}
Initial program 76.9%
Taylor expanded in dX.u around 0
*-commutativeN/A
unpow2N/A
associate-*r*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3267.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3267.0
Applied rewrites67.0%
lift-*.f32N/A
pow2N/A
lower-pow.f3267.0
lift-*.f32N/A
*-commutativeN/A
lift-*.f3267.0
Applied rewrites67.0%
Applied rewrites67.0%
herbie shell --seed 2024340
(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))))