
(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_2) (* t_6 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(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_2;
} else {
tmp = t_6 * 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(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_2); else tmp = Float32(t_6 * 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(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_2; else tmp = t_6 * 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 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\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 11 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_2) (* t_6 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(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_2;
} else {
tmp = t_6 * 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(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_2); else tmp = Float32(t_6 * 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(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_2; else tmp = t_6 * 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 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\_2\\
\mathbf{else}:\\
\;\;\;\;t\_6 \cdot t\_1\\
\end{array}
\end{array}
(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))))
(if (>= t_3 t_5)
(* t_2 (/ 1.0 (sqrt (fmax t_3 t_5))))
(/
1.0
(/
(sqrt
(fmax (+ (pow t_2 2.0) (pow t_0 2.0)) (+ (pow t_1 2.0) (pow t_4 2.0))))
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(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 tmp;
if (t_3 >= t_5) {
tmp = t_2 * (1.0f / sqrtf(fmaxf(t_3, t_5)));
} else {
tmp = 1.0f / (sqrtf(fmaxf((powf(t_2, 2.0f) + powf(t_0, 2.0f)), (powf(t_1, 2.0f) + powf(t_4, 2.0f)))) / 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(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)) tmp = Float32(0.0) if (t_3 >= t_5) tmp = Float32(t_2 * Float32(Float32(1.0) / sqrt(((t_3 != t_3) ? t_5 : ((t_5 != t_5) ? t_3 : max(t_3, t_5)))))); else tmp = Float32(Float32(1.0) / Float32(sqrt(((Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) != Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) : max(Float32((t_2 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))))))) / 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(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); tmp = single(0.0); if (t_3 >= t_5) tmp = t_2 * (single(1.0) / sqrt(max(t_3, t_5))); else tmp = single(1.0) / (sqrt(max(((t_2 ^ single(2.0)) + (t_0 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_4 ^ single(2.0))))) / 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 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\\
\mathbf{if}\;t\_3 \geq t\_5:\\
\;\;\;\;t\_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_3, t\_5\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{\sqrt{\mathsf{max}\left({t\_2}^{2} + {t\_0}^{2}, {t\_1}^{2} + {t\_4}^{2}\right)}}{t\_1}}\\
\end{array}
\end{array}
Initial program 78.7%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites78.8%
Final simplification78.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (pow (floor w) 2.0))
(t_1 (* (floor w) dY.u))
(t_2 (* t_0 (* dY.u dY.u)))
(t_3 (* (floor w) dX.u))
(t_4 (* (floor h) dX.v))
(t_5 (+ (* t_3 t_3) (* t_4 t_4)))
(t_6 (* (floor h) dY.v))
(t_7 (+ (* t_1 t_1) (* t_6 t_6)))
(t_8
(/
1.0
(/
(sqrt
(fmax
(+ (pow t_3 2.0) (pow t_4 2.0))
(+ (pow t_1 2.0) (pow t_6 2.0))))
t_3)))
(t_9 (/ 1.0 (sqrt (fmax t_5 t_7))))
(t_10 (* t_1 t_9))
(t_11 (if (>= (* t_0 (* dX.u dX.u)) t_2) t_8 t_10))
(t_12 (if (>= t_5 t_7) (* t_3 t_9) t_10)))
(if (<= t_12 -0.00019999999494757503)
t_11
(if (<= t_12 0.05000000074505806)
(if (>= (* (* dX.v dX.v) (pow (floor h) 2.0)) t_2) t_8 t_10)
t_11))))
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(floorf(w), 2.0f);
float t_1 = floorf(w) * dY_46_u;
float t_2 = t_0 * (dY_46_u * dY_46_u);
float t_3 = floorf(w) * dX_46_u;
float t_4 = floorf(h) * dX_46_v;
float t_5 = (t_3 * t_3) + (t_4 * t_4);
float t_6 = floorf(h) * dY_46_v;
float t_7 = (t_1 * t_1) + (t_6 * t_6);
float t_8 = 1.0f / (sqrtf(fmaxf((powf(t_3, 2.0f) + powf(t_4, 2.0f)), (powf(t_1, 2.0f) + powf(t_6, 2.0f)))) / t_3);
float t_9 = 1.0f / sqrtf(fmaxf(t_5, t_7));
float t_10 = t_1 * t_9;
float tmp;
if ((t_0 * (dX_46_u * dX_46_u)) >= t_2) {
tmp = t_8;
} else {
tmp = t_10;
}
float t_11 = tmp;
float tmp_1;
if (t_5 >= t_7) {
tmp_1 = t_3 * t_9;
} else {
tmp_1 = t_10;
}
float t_12 = tmp_1;
float tmp_2;
if (t_12 <= -0.00019999999494757503f) {
tmp_2 = t_11;
} else if (t_12 <= 0.05000000074505806f) {
float tmp_3;
if (((dX_46_v * dX_46_v) * powf(floorf(h), 2.0f)) >= t_2) {
tmp_3 = t_8;
} else {
tmp_3 = t_10;
}
tmp_2 = tmp_3;
} else {
tmp_2 = t_11;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) ^ Float32(2.0) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(t_0 * Float32(dY_46_u * dY_46_u)) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(floor(h) * dX_46_v) t_5 = Float32(Float32(t_3 * t_3) + Float32(t_4 * t_4)) t_6 = Float32(floor(h) * dY_46_v) t_7 = Float32(Float32(t_1 * t_1) + Float32(t_6 * t_6)) t_8 = Float32(Float32(1.0) / Float32(sqrt(((Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) != Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0)))) ? Float32((t_1 ^ Float32(2.0)) + (t_6 ^ Float32(2.0))) : ((Float32((t_1 ^ Float32(2.0)) + (t_6 ^ Float32(2.0))) != Float32((t_1 ^ Float32(2.0)) + (t_6 ^ Float32(2.0)))) ? Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))) : max(Float32((t_3 ^ Float32(2.0)) + (t_4 ^ Float32(2.0))), Float32((t_1 ^ Float32(2.0)) + (t_6 ^ Float32(2.0))))))) / t_3)) t_9 = Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? t_7 : ((t_7 != t_7) ? t_5 : max(t_5, t_7))))) t_10 = Float32(t_1 * t_9) tmp = Float32(0.0) if (Float32(t_0 * Float32(dX_46_u * dX_46_u)) >= t_2) tmp = t_8; else tmp = t_10; end t_11 = tmp tmp_1 = Float32(0.0) if (t_5 >= t_7) tmp_1 = Float32(t_3 * t_9); else tmp_1 = t_10; end t_12 = tmp_1 tmp_2 = Float32(0.0) if (t_12 <= Float32(-0.00019999999494757503)) tmp_2 = t_11; elseif (t_12 <= Float32(0.05000000074505806)) tmp_3 = Float32(0.0) if (Float32(Float32(dX_46_v * dX_46_v) * (floor(h) ^ Float32(2.0))) >= t_2) tmp_3 = t_8; else tmp_3 = t_10; end tmp_2 = tmp_3; else tmp_2 = t_11; 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) ^ single(2.0); t_1 = floor(w) * dY_46_u; t_2 = t_0 * (dY_46_u * dY_46_u); t_3 = floor(w) * dX_46_u; t_4 = floor(h) * dX_46_v; t_5 = (t_3 * t_3) + (t_4 * t_4); t_6 = floor(h) * dY_46_v; t_7 = (t_1 * t_1) + (t_6 * t_6); t_8 = single(1.0) / (sqrt(max(((t_3 ^ single(2.0)) + (t_4 ^ single(2.0))), ((t_1 ^ single(2.0)) + (t_6 ^ single(2.0))))) / t_3); t_9 = single(1.0) / sqrt(max(t_5, t_7)); t_10 = t_1 * t_9; tmp = single(0.0); if ((t_0 * (dX_46_u * dX_46_u)) >= t_2) tmp = t_8; else tmp = t_10; end t_11 = tmp; tmp_2 = single(0.0); if (t_5 >= t_7) tmp_2 = t_3 * t_9; else tmp_2 = t_10; end t_12 = tmp_2; tmp_3 = single(0.0); if (t_12 <= single(-0.00019999999494757503)) tmp_3 = t_11; elseif (t_12 <= single(0.05000000074505806)) tmp_4 = single(0.0); if (((dX_46_v * dX_46_v) * (floor(h) ^ single(2.0))) >= t_2) tmp_4 = t_8; else tmp_4 = t_10; end tmp_3 = tmp_4; else tmp_3 = t_11; end tmp_5 = tmp_3; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := t\_0 \cdot \left(dY.u \cdot dY.u\right)\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_5 := t\_3 \cdot t\_3 + t\_4 \cdot t\_4\\
t_6 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_7 := t\_1 \cdot t\_1 + t\_6 \cdot t\_6\\
t_8 := \frac{1}{\frac{\sqrt{\mathsf{max}\left({t\_3}^{2} + {t\_4}^{2}, {t\_1}^{2} + {t\_6}^{2}\right)}}{t\_3}}\\
t_9 := \frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_7\right)}}\\
t_10 := t\_1 \cdot t\_9\\
t_11 := \begin{array}{l}
\mathbf{if}\;t\_0 \cdot \left(dX.u \cdot dX.u\right) \geq t\_2:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
t_12 := \begin{array}{l}
\mathbf{if}\;t\_5 \geq t\_7:\\
\;\;\;\;t\_3 \cdot t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
\mathbf{if}\;t\_12 \leq -0.00019999999494757503:\\
\;\;\;\;t\_11\\
\mathbf{elif}\;t\_12 \leq 0.05000000074505806:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;\left(dX.v \cdot dX.v\right) \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2} \geq t\_2:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_10\\
\end{array}\\
\mathbf{else}:\\
\;\;\;\;t\_11\\
\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 w) dX.u)) (*.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 w) dY.u))) < -1.99999995e-4 or 0.0500000007 < (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 w) dX.u)) (*.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 w) dY.u))) Initial program 99.3%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites99.5%
Taylor expanded in dY.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3299.1
Applied rewrites99.1%
Taylor expanded in dX.u around inf
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3299.0
Applied rewrites99.0%
if -1.99999995e-4 < (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 w) dX.u)) (*.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 w) dY.u))) < 0.0500000007Initial program 60.7%
lift-*.f32N/A
lift-/.f32N/A
associate-*l/N/A
clear-numN/A
lower-/.f32N/A
Applied rewrites60.7%
Taylor expanded in dY.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3242.0
Applied rewrites42.0%
Taylor expanded in dX.u around 0
lower-*.f32N/A
unpow2N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3246.6
Applied rewrites46.6%
Final simplification68.2%
herbie shell --seed 2024230
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (line direction, u)"
: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 w) dX.u)) (* (/ 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 w) dY.u))))