
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor d) dY.w))
(t_4 (* (floor d) dX.w))
(t_5 (* (floor w) dX.u)))
(log2
(sqrt
(fmax
(+ (+ (* t_5 t_5) (* t_2 t_2)) (* t_4 t_4))
(+ (+ (* t_0 t_0) (* t_1 t_1)) (* t_3 t_3)))))))
float code(float w, float h, float d, float dX_46_u, float dX_46_v, float dX_46_w, float dY_46_u, float dY_46_v, float dY_46_w) {
float t_0 = floorf(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(d) * dY_46_w;
float t_4 = floorf(d) * dX_46_w;
float t_5 = floorf(w) * dX_46_u;
return log2f(sqrtf(fmaxf((((t_5 * t_5) + (t_2 * t_2)) + (t_4 * t_4)), (((t_0 * t_0) + (t_1 * t_1)) + (t_3 * t_3)))));
}
function code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(d) * dY_46_w) t_4 = Float32(floor(d) * dX_46_w) t_5 = Float32(floor(w) * dX_46_u) return log2(sqrt(((Float32(Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) + Float32(t_4 * t_4)) != Float32(Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) + Float32(t_4 * t_4))) ? Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3)) : ((Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3)) != Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3))) ? Float32(Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) + Float32(t_4 * t_4)) : max(Float32(Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) + Float32(t_4 * t_4)), Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3))))))) end
function tmp = code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = floor(d) * dY_46_w; t_4 = floor(d) * dX_46_w; t_5 = floor(w) * dX_46_u; tmp = log2(sqrt(max((((t_5 * t_5) + (t_2 * t_2)) + (t_4 * t_4)), (((t_0 * t_0) + (t_1 * t_1)) + (t_3 * t_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 dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := \left\lfloor d\right\rfloor \cdot dY.w\\
t_4 := \left\lfloor d\right\rfloor \cdot dX.w\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
\log_{2} \left(\sqrt{\mathsf{max}\left(\left(t\_5 \cdot t\_5 + t\_2 \cdot t\_2\right) + t\_4 \cdot t\_4, \left(t\_0 \cdot t\_0 + t\_1 \cdot t\_1\right) + t\_3 \cdot t\_3\right)}\right)
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 10 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor d) dY.w))
(t_4 (* (floor d) dX.w))
(t_5 (* (floor w) dX.u)))
(log2
(sqrt
(fmax
(+ (+ (* t_5 t_5) (* t_2 t_2)) (* t_4 t_4))
(+ (+ (* t_0 t_0) (* t_1 t_1)) (* t_3 t_3)))))))
float code(float w, float h, float d, float dX_46_u, float dX_46_v, float dX_46_w, float dY_46_u, float dY_46_v, float dY_46_w) {
float t_0 = floorf(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(d) * dY_46_w;
float t_4 = floorf(d) * dX_46_w;
float t_5 = floorf(w) * dX_46_u;
return log2f(sqrtf(fmaxf((((t_5 * t_5) + (t_2 * t_2)) + (t_4 * t_4)), (((t_0 * t_0) + (t_1 * t_1)) + (t_3 * t_3)))));
}
function code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(d) * dY_46_w) t_4 = Float32(floor(d) * dX_46_w) t_5 = Float32(floor(w) * dX_46_u) return log2(sqrt(((Float32(Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) + Float32(t_4 * t_4)) != Float32(Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) + Float32(t_4 * t_4))) ? Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3)) : ((Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3)) != Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3))) ? Float32(Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) + Float32(t_4 * t_4)) : max(Float32(Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) + Float32(t_4 * t_4)), Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3))))))) end
function tmp = code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = floor(d) * dY_46_w; t_4 = floor(d) * dX_46_w; t_5 = floor(w) * dX_46_u; tmp = log2(sqrt(max((((t_5 * t_5) + (t_2 * t_2)) + (t_4 * t_4)), (((t_0 * t_0) + (t_1 * t_1)) + (t_3 * t_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 dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := \left\lfloor d\right\rfloor \cdot dY.w\\
t_4 := \left\lfloor d\right\rfloor \cdot dX.w\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
\log_{2} \left(\sqrt{\mathsf{max}\left(\left(t\_5 \cdot t\_5 + t\_2 \cdot t\_2\right) + t\_4 \cdot t\_4, \left(t\_0 \cdot t\_0 + t\_1 \cdot t\_1\right) + t\_3 \cdot t\_3\right)}\right)
\end{array}
\end{array}
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor d) dY.w))
(t_4 (* (floor d) dX.w))
(t_5 (* t_4 t_4))
(t_6 (* (floor w) dX.u))
(t_7 (+ (+ (* t_6 t_6) (* t_2 t_2)) t_5)))
(if (<= (fmax t_7 (+ (+ (* t_0 t_0) (* t_1 t_1)) (* t_3 t_3))) INFINITY)
(log2
(sqrt
(fmax
t_7
(/ 1.0 (/ 1.0 (+ (pow t_1 2.0) (+ (pow t_0 2.0) (pow t_3 2.0))))))))
(log2
(sqrt
(fmax
(+ t_5 (* dX.v (* dX.v (pow (floor h) 2.0))))
(* (pow (floor w) 2.0) (* dY.u dY.u))))))))
float code(float w, float h, float d, float dX_46_u, float dX_46_v, float dX_46_w, float dY_46_u, float dY_46_v, float dY_46_w) {
float t_0 = floorf(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(d) * dY_46_w;
float t_4 = floorf(d) * dX_46_w;
float t_5 = t_4 * t_4;
float t_6 = floorf(w) * dX_46_u;
float t_7 = ((t_6 * t_6) + (t_2 * t_2)) + t_5;
float tmp;
if (fmaxf(t_7, (((t_0 * t_0) + (t_1 * t_1)) + (t_3 * t_3))) <= ((float) INFINITY)) {
tmp = log2f(sqrtf(fmaxf(t_7, (1.0f / (1.0f / (powf(t_1, 2.0f) + (powf(t_0, 2.0f) + powf(t_3, 2.0f))))))));
} else {
tmp = log2f(sqrtf(fmaxf((t_5 + (dX_46_v * (dX_46_v * powf(floorf(h), 2.0f)))), (powf(floorf(w), 2.0f) * (dY_46_u * dY_46_u)))));
}
return tmp;
}
function code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(d) * dY_46_w) t_4 = Float32(floor(d) * dX_46_w) t_5 = Float32(t_4 * t_4) t_6 = Float32(floor(w) * dX_46_u) t_7 = Float32(Float32(Float32(t_6 * t_6) + Float32(t_2 * t_2)) + t_5) tmp = Float32(0.0) if (((t_7 != t_7) ? Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3)) : ((Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3)) != Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3))) ? t_7 : max(t_7, Float32(Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) + Float32(t_3 * t_3))))) <= Float32(Inf)) tmp = log2(sqrt(((t_7 != t_7) ? Float32(Float32(1.0) / Float32(Float32(1.0) / Float32((t_1 ^ Float32(2.0)) + Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))))) : ((Float32(Float32(1.0) / Float32(Float32(1.0) / Float32((t_1 ^ Float32(2.0)) + Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))))) != Float32(Float32(1.0) / Float32(Float32(1.0) / Float32((t_1 ^ Float32(2.0)) + Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))))))) ? t_7 : max(t_7, Float32(Float32(1.0) / Float32(Float32(1.0) / Float32((t_1 ^ Float32(2.0)) + Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))))))))))); else tmp = log2(sqrt(((Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) != Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))))) ? Float32((floor(w) ^ Float32(2.0)) * Float32(dY_46_u * dY_46_u)) : ((Float32((floor(w) ^ Float32(2.0)) * Float32(dY_46_u * dY_46_u)) != Float32((floor(w) ^ Float32(2.0)) * Float32(dY_46_u * dY_46_u))) ? Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) : max(Float32(t_5 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))), Float32((floor(w) ^ Float32(2.0)) * Float32(dY_46_u * dY_46_u))))))); end return tmp end
function tmp_2 = code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = floor(d) * dY_46_w; t_4 = floor(d) * dX_46_w; t_5 = t_4 * t_4; t_6 = floor(w) * dX_46_u; t_7 = ((t_6 * t_6) + (t_2 * t_2)) + t_5; tmp = single(0.0); if (max(t_7, (((t_0 * t_0) + (t_1 * t_1)) + (t_3 * t_3))) <= single(Inf)) tmp = log2(sqrt(max(t_7, (single(1.0) / (single(1.0) / ((t_1 ^ single(2.0)) + ((t_0 ^ single(2.0)) + (t_3 ^ single(2.0))))))))); else tmp = log2(sqrt(max((t_5 + (dX_46_v * (dX_46_v * (floor(h) ^ single(2.0))))), ((floor(w) ^ single(2.0)) * (dY_46_u * dY_46_u))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := \left\lfloor d\right\rfloor \cdot dY.w\\
t_4 := \left\lfloor d\right\rfloor \cdot dX.w\\
t_5 := t\_4 \cdot t\_4\\
t_6 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_7 := \left(t\_6 \cdot t\_6 + t\_2 \cdot t\_2\right) + t\_5\\
\mathbf{if}\;\mathsf{max}\left(t\_7, \left(t\_0 \cdot t\_0 + t\_1 \cdot t\_1\right) + t\_3 \cdot t\_3\right) \leq \infty:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(t\_7, \frac{1}{\frac{1}{{t\_1}^{2} + \left({t\_0}^{2} + {t\_3}^{2}\right)}}\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(t\_5 + dX.v \cdot \left(dX.v \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2}\right), {\left(\left\lfloor w\right\rfloor \right)}^{2} \cdot \left(dY.u \cdot dY.u\right)\right)}\right)\\
\end{array}
\end{array}
if (fmax.f32 (+.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 (floor.f32 d) dX.w) (*.f32 (floor.f32 d) dX.w))) (+.f32 (+.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 (floor.f32 d) dY.w) (*.f32 (floor.f32 d) dY.w)))) < +inf.0Initial program 71.5%
lift-+.f32N/A
flip3-+N/A
clear-numN/A
Applied rewrites71.5%
if +inf.0 < (fmax.f32 (+.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 (floor.f32 d) dX.w) (*.f32 (floor.f32 d) dX.w))) (+.f32 (+.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 (floor.f32 d) dY.w) (*.f32 (floor.f32 d) dY.w)))) Initial program 71.5%
lift-+.f32N/A
flip3-+N/A
clear-numN/A
Applied rewrites71.5%
Taylor expanded in dY.w around inf
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3256.2
Applied rewrites56.2%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3246.9
Applied rewrites46.9%
Taylor expanded in dY.u around inf
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f3247.3
Applied rewrites47.3%
Final simplification71.5%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0 (* (floor w) dX.u))
(t_1 (pow (* (floor h) dY.v) 2.0))
(t_2 (* (floor h) dX.v))
(t_3 (* (floor d) dX.w)))
(if (<= dY.w 0.5)
(log2
(sqrt
(fmax
(+ (+ (* t_0 t_0) (* t_2 t_2)) (* t_3 t_3))
(fma (pow (floor w) 2.0) (* dY.u dY.u) t_1))))
(log2
(sqrt
(fmax
(+ (pow t_0 2.0) (pow t_3 2.0))
(+
t_1
(+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor d) dY.w) 2.0)))))))))
float code(float w, float h, float d, float dX_46_u, float dX_46_v, float dX_46_w, float dY_46_u, float dY_46_v, float dY_46_w) {
float t_0 = floorf(w) * dX_46_u;
float t_1 = powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = floorf(h) * dX_46_v;
float t_3 = floorf(d) * dX_46_w;
float tmp;
if (dY_46_w <= 0.5f) {
tmp = log2f(sqrtf(fmaxf((((t_0 * t_0) + (t_2 * t_2)) + (t_3 * t_3)), fmaf(powf(floorf(w), 2.0f), (dY_46_u * dY_46_u), t_1))));
} else {
tmp = log2f(sqrtf(fmaxf((powf(t_0, 2.0f) + powf(t_3, 2.0f)), (t_1 + (powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(d) * dY_46_w), 2.0f))))));
}
return tmp;
}
function code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) t_0 = Float32(floor(w) * dX_46_u) t_1 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) t_2 = Float32(floor(h) * dX_46_v) t_3 = Float32(floor(d) * dX_46_w) tmp = Float32(0.0) if (dY_46_w <= Float32(0.5)) tmp = log2(sqrt(((Float32(Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)) + Float32(t_3 * t_3)) != Float32(Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)) + Float32(t_3 * t_3))) ? fma((floor(w) ^ Float32(2.0)), Float32(dY_46_u * dY_46_u), t_1) : ((fma((floor(w) ^ Float32(2.0)), Float32(dY_46_u * dY_46_u), t_1) != fma((floor(w) ^ Float32(2.0)), Float32(dY_46_u * dY_46_u), t_1)) ? Float32(Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)) + Float32(t_3 * t_3)) : max(Float32(Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)) + Float32(t_3 * t_3)), fma((floor(w) ^ Float32(2.0)), Float32(dY_46_u * dY_46_u), t_1)))))); else tmp = log2(sqrt(((Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) != Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0)))) ? Float32(t_1 + Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0)))) : ((Float32(t_1 + Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0)))) != Float32(t_1 + Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0))))) ? Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))) : max(Float32((t_0 ^ Float32(2.0)) + (t_3 ^ Float32(2.0))), Float32(t_1 + Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0))))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_1 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_3 := \left\lfloor d\right\rfloor \cdot dX.w\\
\mathbf{if}\;dY.w \leq 0.5:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(\left(t\_0 \cdot t\_0 + t\_2 \cdot t\_2\right) + t\_3 \cdot t\_3, \mathsf{fma}\left({\left(\left\lfloor w\right\rfloor \right)}^{2}, dY.u \cdot dY.u, t\_1\right)\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left({t\_0}^{2} + {t\_3}^{2}, t\_1 + \left({\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2}\right)\right)}\right)\\
\end{array}
\end{array}
if dY.w < 0.5Initial program 69.1%
lift-+.f32N/A
flip3-+N/A
clear-numN/A
Applied rewrites69.1%
Taylor expanded in dY.w around inf
unpow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3253.7
Applied rewrites53.7%
Taylor expanded in dY.w around 0
*-commutativeN/A
lower-fma.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
lower-*.f32N/A
unpow2N/A
unpow2N/A
unswap-sqrN/A
unpow2N/A
lower-pow.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3264.0
Applied rewrites64.0%
if 0.5 < dY.w Initial program 63.3%
Taylor expanded in dX.v around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-fma.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f32N/A
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3258.5
Applied rewrites58.5%
Applied rewrites58.5%
Final simplification62.6%
herbie shell --seed 2024223
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:name "Isotropic LOD (LOD)"
:precision binary32
:pre (and (and (and (and (and (and (and (and (and (<= 1.0 w) (<= w 16384.0)) (and (<= 1.0 h) (<= h 16384.0))) (and (<= 1.0 d) (<= d 4096.0))) (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 dX.w)) (<= (fabs dX.w) 1e+20))) (and (<= 1e-20 (fabs dY.u)) (<= (fabs dY.u) 1e+20))) (and (<= 1e-20 (fabs dY.v)) (<= (fabs dY.v) 1e+20))) (and (<= 1e-20 (fabs dY.w)) (<= (fabs dY.w) 1e+20)))
(log2 (sqrt (fmax (+ (+ (* (* (floor w) dX.u) (* (floor w) dX.u)) (* (* (floor h) dX.v) (* (floor h) dX.v))) (* (* (floor d) dX.w) (* (floor d) dX.w))) (+ (+ (* (* (floor w) dY.u) (* (floor w) dY.u)) (* (* (floor h) dY.v) (* (floor h) dY.v))) (* (* (floor d) dY.w) (* (floor d) dY.w)))))))