
(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 6 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) dX.v))
(t_2 (* (floor d) dY.w))
(t_3 (* (floor d) dX.w))
(t_4 (* t_3 t_3))
(t_5 (* (floor w) dX.u))
(t_6 (* t_1 t_1))
(t_7 (* (floor h) dY.v))
(t_8
(fmax
(+ (+ (* t_5 t_5) t_6) t_4)
(+ (+ (* t_0 t_0) (* t_7 t_7)) (* t_2 t_2)))))
(if (<= t_8 INFINITY)
(log2 (sqrt t_8))
(log2
(sqrt
(fmax
(+ t_4 (+ t_6 (exp (fma 2.0 (log (floor w)) (* 2.0 (log dX.u))))))
(fma t_0 t_0 (+ (pow t_7 2.0) (pow t_2 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) * dY_46_u;
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(d) * dY_46_w;
float t_3 = floorf(d) * dX_46_w;
float t_4 = t_3 * t_3;
float t_5 = floorf(w) * dX_46_u;
float t_6 = t_1 * t_1;
float t_7 = floorf(h) * dY_46_v;
float t_8 = fmaxf((((t_5 * t_5) + t_6) + t_4), (((t_0 * t_0) + (t_7 * t_7)) + (t_2 * t_2)));
float tmp;
if (t_8 <= ((float) INFINITY)) {
tmp = log2f(sqrtf(t_8));
} else {
tmp = log2f(sqrtf(fmaxf((t_4 + (t_6 + expf(fmaf(2.0f, logf(floorf(w)), (2.0f * logf(dX_46_u)))))), fmaf(t_0, t_0, (powf(t_7, 2.0f) + powf(t_2, 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) * dY_46_u) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(d) * dY_46_w) t_3 = Float32(floor(d) * dX_46_w) t_4 = Float32(t_3 * t_3) t_5 = Float32(floor(w) * dX_46_u) t_6 = Float32(t_1 * t_1) t_7 = Float32(floor(h) * dY_46_v) t_8 = (Float32(Float32(Float32(t_5 * t_5) + t_6) + t_4) != Float32(Float32(Float32(t_5 * t_5) + t_6) + t_4)) ? Float32(Float32(Float32(t_0 * t_0) + Float32(t_7 * t_7)) + Float32(t_2 * t_2)) : ((Float32(Float32(Float32(t_0 * t_0) + Float32(t_7 * t_7)) + Float32(t_2 * t_2)) != Float32(Float32(Float32(t_0 * t_0) + Float32(t_7 * t_7)) + Float32(t_2 * t_2))) ? Float32(Float32(Float32(t_5 * t_5) + t_6) + t_4) : max(Float32(Float32(Float32(t_5 * t_5) + t_6) + t_4), Float32(Float32(Float32(t_0 * t_0) + Float32(t_7 * t_7)) + Float32(t_2 * t_2)))) tmp = Float32(0.0) if (t_8 <= Float32(Inf)) tmp = log2(sqrt(t_8)); else tmp = log2(sqrt(((Float32(t_4 + Float32(t_6 + exp(fma(Float32(2.0), log(floor(w)), Float32(Float32(2.0) * log(dX_46_u)))))) != Float32(t_4 + Float32(t_6 + exp(fma(Float32(2.0), log(floor(w)), Float32(Float32(2.0) * log(dX_46_u))))))) ? fma(t_0, t_0, Float32((t_7 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) : ((fma(t_0, t_0, Float32((t_7 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) != fma(t_0, t_0, Float32((t_7 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))) ? Float32(t_4 + Float32(t_6 + exp(fma(Float32(2.0), log(floor(w)), Float32(Float32(2.0) * log(dX_46_u)))))) : max(Float32(t_4 + Float32(t_6 + exp(fma(Float32(2.0), log(floor(w)), Float32(Float32(2.0) * log(dX_46_u)))))), fma(t_0, t_0, Float32((t_7 ^ Float32(2.0)) + (t_2 ^ Float32(2.0))))))))); end return 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 dX.v\\
t_2 := \left\lfloor d\right\rfloor \cdot dY.w\\
t_3 := \left\lfloor d\right\rfloor \cdot dX.w\\
t_4 := t\_3 \cdot t\_3\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_6 := t\_1 \cdot t\_1\\
t_7 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_8 := \mathsf{max}\left(\left(t\_5 \cdot t\_5 + t\_6\right) + t\_4, \left(t\_0 \cdot t\_0 + t\_7 \cdot t\_7\right) + t\_2 \cdot t\_2\right)\\
\mathbf{if}\;t\_8 \leq \infty:\\
\;\;\;\;\log_{2} \left(\sqrt{t\_8}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(t\_4 + \left(t\_6 + e^{\mathsf{fma}\left(2, \log \left(\left\lfloor w\right\rfloor \right), 2 \cdot \log dX.u\right)}\right), \mathsf{fma}\left(t\_0, t\_0, {t\_7}^{2} + {t\_2}^{2}\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 66.3%
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 66.3%
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
Applied rewrites46.4%
pow2N/A
lift-floor.f32N/A
rem-exp-logN/A
pow-prod-downN/A
rem-exp-logN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
metadata-evalN/A
unpow1N/A
pow2N/A
Applied rewrites45.5%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-*.f32N/A
unpow-prod-downN/A
pow-to-expN/A
pow-to-expN/A
prod-expN/A
lower-exp.f32N/A
*-commutativeN/A
lower-fma.f32N/A
lower-log.f32N/A
lower-*.f32N/A
lower-log.f3222.7
Applied rewrites22.7%
Final simplification66.3%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* (floor d) dY.w))
(t_2 (pow (floor d) 2.0))
(t_3 (* (floor d) dX.w))
(t_4 (* (floor w) dX.u))
(t_5 (* (floor w) dY.u))
(t_6 (pow (floor w) 2.0))
(t_7 (* (floor h) dX.v))
(t_8
(fmax
(+ (+ (* t_4 t_4) (* t_7 t_7)) (* t_3 t_3))
(+ (+ (* t_5 t_5) (* t_0 t_0)) (* t_1 t_1))))
(t_9 (pow (floor h) 2.0)))
(if (<= t_8 INFINITY)
(log2 (sqrt t_8))
(log2
(sqrt
(fmax
(fma (* dX.u dX.u) t_6 (fma dX.v (* dX.v t_9) (* dX.w (* dX.w t_2))))
(fma
t_6
(* dY.u dY.u)
(fma dY.v (* dY.v t_9) (* dY.w (* dY.w t_2))))))))))
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(h) * dY_46_v;
float t_1 = floorf(d) * dY_46_w;
float t_2 = powf(floorf(d), 2.0f);
float t_3 = floorf(d) * dX_46_w;
float t_4 = floorf(w) * dX_46_u;
float t_5 = floorf(w) * dY_46_u;
float t_6 = powf(floorf(w), 2.0f);
float t_7 = floorf(h) * dX_46_v;
float t_8 = fmaxf((((t_4 * t_4) + (t_7 * t_7)) + (t_3 * t_3)), (((t_5 * t_5) + (t_0 * t_0)) + (t_1 * t_1)));
float t_9 = powf(floorf(h), 2.0f);
float tmp;
if (t_8 <= ((float) INFINITY)) {
tmp = log2f(sqrtf(t_8));
} else {
tmp = log2f(sqrtf(fmaxf(fmaf((dX_46_u * dX_46_u), t_6, fmaf(dX_46_v, (dX_46_v * t_9), (dX_46_w * (dX_46_w * t_2)))), fmaf(t_6, (dY_46_u * dY_46_u), fmaf(dY_46_v, (dY_46_v * t_9), (dY_46_w * (dY_46_w * t_2)))))));
}
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(h) * dY_46_v) t_1 = Float32(floor(d) * dY_46_w) t_2 = floor(d) ^ Float32(2.0) t_3 = Float32(floor(d) * dX_46_w) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(floor(w) * dY_46_u) t_6 = floor(w) ^ Float32(2.0) t_7 = Float32(floor(h) * dX_46_v) t_8 = (Float32(Float32(Float32(t_4 * t_4) + Float32(t_7 * t_7)) + Float32(t_3 * t_3)) != Float32(Float32(Float32(t_4 * t_4) + Float32(t_7 * t_7)) + Float32(t_3 * t_3))) ? Float32(Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)) + Float32(t_1 * t_1)) : ((Float32(Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)) + Float32(t_1 * t_1)) != Float32(Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)) + Float32(t_1 * t_1))) ? Float32(Float32(Float32(t_4 * t_4) + Float32(t_7 * t_7)) + Float32(t_3 * t_3)) : max(Float32(Float32(Float32(t_4 * t_4) + Float32(t_7 * t_7)) + Float32(t_3 * t_3)), Float32(Float32(Float32(t_5 * t_5) + Float32(t_0 * t_0)) + Float32(t_1 * t_1)))) t_9 = floor(h) ^ Float32(2.0) tmp = Float32(0.0) if (t_8 <= Float32(Inf)) tmp = log2(sqrt(t_8)); else tmp = log2(sqrt(((fma(Float32(dX_46_u * dX_46_u), t_6, fma(dX_46_v, Float32(dX_46_v * t_9), Float32(dX_46_w * Float32(dX_46_w * t_2)))) != fma(Float32(dX_46_u * dX_46_u), t_6, fma(dX_46_v, Float32(dX_46_v * t_9), Float32(dX_46_w * Float32(dX_46_w * t_2))))) ? fma(t_6, Float32(dY_46_u * dY_46_u), fma(dY_46_v, Float32(dY_46_v * t_9), Float32(dY_46_w * Float32(dY_46_w * t_2)))) : ((fma(t_6, Float32(dY_46_u * dY_46_u), fma(dY_46_v, Float32(dY_46_v * t_9), Float32(dY_46_w * Float32(dY_46_w * t_2)))) != fma(t_6, Float32(dY_46_u * dY_46_u), fma(dY_46_v, Float32(dY_46_v * t_9), Float32(dY_46_w * Float32(dY_46_w * t_2))))) ? fma(Float32(dX_46_u * dX_46_u), t_6, fma(dX_46_v, Float32(dX_46_v * t_9), Float32(dX_46_w * Float32(dX_46_w * t_2)))) : max(fma(Float32(dX_46_u * dX_46_u), t_6, fma(dX_46_v, Float32(dX_46_v * t_9), Float32(dX_46_w * Float32(dX_46_w * t_2)))), fma(t_6, Float32(dY_46_u * dY_46_u), fma(dY_46_v, Float32(dY_46_v * t_9), Float32(dY_46_w * Float32(dY_46_w * t_2))))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_1 := \left\lfloor d\right\rfloor \cdot dY.w\\
t_2 := {\left(\left\lfloor d\right\rfloor \right)}^{2}\\
t_3 := \left\lfloor d\right\rfloor \cdot dX.w\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_6 := {\left(\left\lfloor w\right\rfloor \right)}^{2}\\
t_7 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_8 := \mathsf{max}\left(\left(t\_4 \cdot t\_4 + t\_7 \cdot t\_7\right) + t\_3 \cdot t\_3, \left(t\_5 \cdot t\_5 + t\_0 \cdot t\_0\right) + t\_1 \cdot t\_1\right)\\
t_9 := {\left(\left\lfloor h\right\rfloor \right)}^{2}\\
\mathbf{if}\;t\_8 \leq \infty:\\
\;\;\;\;\log_{2} \left(\sqrt{t\_8}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(\mathsf{fma}\left(dX.u \cdot dX.u, t\_6, \mathsf{fma}\left(dX.v, dX.v \cdot t\_9, dX.w \cdot \left(dX.w \cdot t\_2\right)\right)\right), \mathsf{fma}\left(t\_6, dY.u \cdot dY.u, \mathsf{fma}\left(dY.v, dY.v \cdot t\_9, dY.w \cdot \left(dY.w \cdot t\_2\right)\right)\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 66.3%
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 66.3%
Applied rewrites66.3%
Taylor expanded in h around 0
Applied rewrites13.5%
Final simplification66.3%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0 (* (floor d) dX.w))
(t_1 (* (floor d) dY.w))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor w) dX.u))
(t_4 (* (floor h) dY.v))
(t_5 (* (floor h) dX.v)))
(if (<= dX.w 9.999999747378752e-5)
(log2
(sqrt
(fmax
(* dX.v (* dX.v (pow (floor h) 2.0)))
(+ (+ (* t_2 t_2) (* t_4 t_4)) (* t_1 t_1)))))
(log2
(sqrt
(fmax (+ (+ (* t_3 t_3) (* t_5 t_5)) (* t_0 t_0)) (pow t_1 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(d) * dX_46_w;
float t_1 = floorf(d) * dY_46_w;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(w) * dX_46_u;
float t_4 = floorf(h) * dY_46_v;
float t_5 = floorf(h) * dX_46_v;
float tmp;
if (dX_46_w <= 9.999999747378752e-5f) {
tmp = log2f(sqrtf(fmaxf((dX_46_v * (dX_46_v * powf(floorf(h), 2.0f))), (((t_2 * t_2) + (t_4 * t_4)) + (t_1 * t_1)))));
} else {
tmp = log2f(sqrtf(fmaxf((((t_3 * t_3) + (t_5 * t_5)) + (t_0 * t_0)), powf(t_1, 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(d) * dX_46_w) t_1 = Float32(floor(d) * dY_46_w) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(floor(h) * dY_46_v) t_5 = Float32(floor(h) * dX_46_v) tmp = Float32(0.0) if (dX_46_w <= Float32(9.999999747378752e-5)) tmp = log2(sqrt(((Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) != Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) ? Float32(Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4)) + Float32(t_1 * t_1)) : ((Float32(Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4)) + Float32(t_1 * t_1)) != Float32(Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4)) + Float32(t_1 * t_1))) ? Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) : max(Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))), Float32(Float32(Float32(t_2 * t_2) + Float32(t_4 * t_4)) + Float32(t_1 * t_1))))))); else tmp = log2(sqrt(((Float32(Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) + Float32(t_0 * t_0)) != Float32(Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) + Float32(t_0 * t_0))) ? (t_1 ^ Float32(2.0)) : (((t_1 ^ Float32(2.0)) != (t_1 ^ Float32(2.0))) ? Float32(Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) + Float32(t_0 * t_0)) : max(Float32(Float32(Float32(t_3 * t_3) + Float32(t_5 * t_5)) + Float32(t_0 * t_0)), (t_1 ^ Float32(2.0))))))); 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(d) * dX_46_w; t_1 = floor(d) * dY_46_w; t_2 = floor(w) * dY_46_u; t_3 = floor(w) * dX_46_u; t_4 = floor(h) * dY_46_v; t_5 = floor(h) * dX_46_v; tmp = single(0.0); if (dX_46_w <= single(9.999999747378752e-5)) tmp = log2(sqrt(max((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))), (((t_2 * t_2) + (t_4 * t_4)) + (t_1 * t_1))))); else tmp = log2(sqrt(max((((t_3 * t_3) + (t_5 * t_5)) + (t_0 * t_0)), (t_1 ^ single(2.0))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor d\right\rfloor \cdot dX.w\\
t_1 := \left\lfloor d\right\rfloor \cdot dY.w\\
t_2 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_3 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_4 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_5 := \left\lfloor h\right\rfloor \cdot dX.v\\
\mathbf{if}\;dX.w \leq 9.999999747378752 \cdot 10^{-5}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(dX.v \cdot \left(dX.v \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2}\right), \left(t\_2 \cdot t\_2 + t\_4 \cdot t\_4\right) + t\_1 \cdot t\_1\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(\left(t\_3 \cdot t\_3 + t\_5 \cdot t\_5\right) + t\_0 \cdot t\_0, {t\_1}^{2}\right)}\right)\\
\end{array}
\end{array}
if dX.w < 9.99999975e-5Initial program 65.8%
Taylor expanded in dX.v around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3257.1
Applied rewrites57.1%
if 9.99999975e-5 < dX.w Initial program 67.6%
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
Applied rewrites56.0%
Taylor expanded in dY.w around inf
unpow2N/A
unpow2N/A
unswap-sqrN/A
unpow2N/A
lower-pow.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3263.1
Applied rewrites63.1%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0 (* (floor d) dX.w))
(t_1 (* (floor w) dX.u))
(t_2 (pow (* (floor d) dY.w) 2.0))
(t_3 (* (floor h) dX.v)))
(if (<= dX.w 0.05000000074505806)
(log2
(sqrt
(fmax
(* (* dX.u dX.u) (pow (floor w) 2.0))
(+
(pow (* (floor h) dY.v) 2.0)
(+ t_2 (pow (* (floor w) dY.u) 2.0))))))
(log2 (sqrt (fmax (+ (+ (* t_1 t_1) (* t_3 t_3)) (* t_0 t_0)) t_2))))))
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(d) * dX_46_w;
float t_1 = floorf(w) * dX_46_u;
float t_2 = powf((floorf(d) * dY_46_w), 2.0f);
float t_3 = floorf(h) * dX_46_v;
float tmp;
if (dX_46_w <= 0.05000000074505806f) {
tmp = log2f(sqrtf(fmaxf(((dX_46_u * dX_46_u) * powf(floorf(w), 2.0f)), (powf((floorf(h) * dY_46_v), 2.0f) + (t_2 + powf((floorf(w) * dY_46_u), 2.0f))))));
} else {
tmp = log2f(sqrtf(fmaxf((((t_1 * t_1) + (t_3 * t_3)) + (t_0 * t_0)), t_2)));
}
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(d) * dX_46_w) t_1 = Float32(floor(w) * dX_46_u) t_2 = Float32(floor(d) * dY_46_w) ^ Float32(2.0) t_3 = Float32(floor(h) * dX_46_v) tmp = Float32(0.0) if (dX_46_w <= Float32(0.05000000074505806)) tmp = log2(sqrt(((Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) != Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0)))) ? Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32(t_2 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) : ((Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32(t_2 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) != Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32(t_2 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) ? Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))) : max(Float32(Float32(dX_46_u * dX_46_u) * (floor(w) ^ Float32(2.0))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32(t_2 + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))))))); else tmp = log2(sqrt(((Float32(Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)) + Float32(t_0 * t_0)) != Float32(Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)) + Float32(t_0 * t_0))) ? t_2 : ((t_2 != t_2) ? Float32(Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)) + Float32(t_0 * t_0)) : max(Float32(Float32(Float32(t_1 * t_1) + Float32(t_3 * t_3)) + Float32(t_0 * t_0)), t_2))))); 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(d) * dX_46_w; t_1 = floor(w) * dX_46_u; t_2 = (floor(d) * dY_46_w) ^ single(2.0); t_3 = floor(h) * dX_46_v; tmp = single(0.0); if (dX_46_w <= single(0.05000000074505806)) tmp = log2(sqrt(max(((dX_46_u * dX_46_u) * (floor(w) ^ single(2.0))), (((floor(h) * dY_46_v) ^ single(2.0)) + (t_2 + ((floor(w) * dY_46_u) ^ single(2.0))))))); else tmp = log2(sqrt(max((((t_1 * t_1) + (t_3 * t_3)) + (t_0 * t_0)), t_2))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor d\right\rfloor \cdot dX.w\\
t_1 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_2 := {\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2}\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
\mathbf{if}\;dX.w \leq 0.05000000074505806:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(\left(dX.u \cdot dX.u\right) \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + \left(t\_2 + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(\left(t\_1 \cdot t\_1 + t\_3 \cdot t\_3\right) + t\_0 \cdot t\_0, t\_2\right)}\right)\\
\end{array}
\end{array}
if dX.w < 0.0500000007Initial program 65.7%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3255.1
Applied rewrites55.1%
Applied rewrites55.1%
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
pow2N/A
lift-*.f32N/A
lower-*.f3255.1
Applied rewrites55.1%
if 0.0500000007 < dX.w Initial program 68.3%
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-*.f32N/A
lift-+.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
lift-floor.f32N/A
Applied rewrites55.3%
Taylor expanded in dY.w around inf
unpow2N/A
unpow2N/A
unswap-sqrN/A
unpow2N/A
lower-pow.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-floor.f3263.9
Applied rewrites63.9%
Final simplification57.3%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(log2
(sqrt
(fmax
(* dX.u (* dX.u (pow (floor w) 2.0)))
(+
(pow (* (floor h) dY.v) 2.0)
(+ (pow (* (floor d) dY.w) 2.0) (pow (* (floor w) dY.u) 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) {
return log2f(sqrtf(fmaxf((dX_46_u * (dX_46_u * powf(floorf(w), 2.0f))), (powf((floorf(h) * dY_46_v), 2.0f) + (powf((floorf(d) * dY_46_w), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f))))));
}
function code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) return log2(sqrt(((Float32(dX_46_u * Float32(dX_46_u * (floor(w) ^ Float32(2.0)))) != Float32(dX_46_u * Float32(dX_46_u * (floor(w) ^ Float32(2.0))))) ? Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32((Float32(floor(d) * dY_46_w) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) : ((Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32((Float32(floor(d) * dY_46_w) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) != Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32((Float32(floor(d) * dY_46_w) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) ? Float32(dX_46_u * Float32(dX_46_u * (floor(w) ^ Float32(2.0)))) : max(Float32(dX_46_u * Float32(dX_46_u * (floor(w) ^ Float32(2.0)))), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32((Float32(floor(d) * dY_46_w) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))))))) 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) tmp = log2(sqrt(max((dX_46_u * (dX_46_u * (floor(w) ^ single(2.0)))), (((floor(h) * dY_46_v) ^ single(2.0)) + (((floor(d) * dY_46_w) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0))))))); end
\begin{array}{l}
\\
\log_{2} \left(\sqrt{\mathsf{max}\left(dX.u \cdot \left(dX.u \cdot {\left(\left\lfloor w\right\rfloor \right)}^{2}\right), {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + \left({\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\right)}\right)
\end{array}
Initial program 66.3%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3252.1
Applied rewrites52.1%
Applied rewrites52.1%
lift-floor.f32N/A
lift-*.f32N/A
lift-*.f32N/A
unpow-prod-downN/A
lift-pow.f32N/A
pow2N/A
associate-*r*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f3252.1
Applied rewrites52.1%
Final simplification52.1%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(log2
(sqrt
(fmax
(pow (* (floor w) dX.u) 2.0)
(+
(pow (* (floor h) dY.v) 2.0)
(+ (pow (* (floor d) dY.w) 2.0) (pow (* (floor w) dY.u) 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) {
return log2f(sqrtf(fmaxf(powf((floorf(w) * dX_46_u), 2.0f), (powf((floorf(h) * dY_46_v), 2.0f) + (powf((floorf(d) * dY_46_w), 2.0f) + powf((floorf(w) * dY_46_u), 2.0f))))));
}
function code(w, h, d, dX_46_u, dX_46_v, dX_46_w, dY_46_u, dY_46_v, dY_46_w) return log2(sqrt((((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) != (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) ? Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32((Float32(floor(d) * dY_46_w) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) : ((Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32((Float32(floor(d) * dY_46_w) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0)))) != Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32((Float32(floor(d) * dY_46_w) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))) ? (Float32(floor(w) * dX_46_u) ^ Float32(2.0)) : max((Float32(floor(w) * dX_46_u) ^ Float32(2.0)), Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + Float32((Float32(floor(d) * dY_46_w) ^ Float32(2.0)) + (Float32(floor(w) * dY_46_u) ^ Float32(2.0))))))))) 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) tmp = log2(sqrt(max(((floor(w) * dX_46_u) ^ single(2.0)), (((floor(h) * dY_46_v) ^ single(2.0)) + (((floor(d) * dY_46_w) ^ single(2.0)) + ((floor(w) * dY_46_u) ^ single(2.0))))))); end
\begin{array}{l}
\\
\log_{2} \left(\sqrt{\mathsf{max}\left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + \left({\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\right)\right)}\right)
\end{array}
Initial program 66.3%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3252.1
Applied rewrites52.1%
Applied rewrites52.1%
Final simplification52.1%
herbie shell --seed 2024216
(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)))))))