
(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 5 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
(log2
(sqrt
(fmax
(+
(pow (* (floor h) dX.v) 2.0)
(+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor d) dX.w) 2.0)))
(+
(+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 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) {
return log2f(sqrtf(fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + (powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(d) * dX_46_w), 2.0f))), ((powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f)) + powf((floorf(d) * dY_46_w), 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((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(d) * dX_46_w) ^ Float32(2.0)))) != Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(d) * dX_46_w) ^ Float32(2.0))))) ? Float32(Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0))) : ((Float32(Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0))) != Float32(Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0)))) ? Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(d) * dX_46_w) ^ Float32(2.0)))) : max(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(d) * dX_46_w) ^ Float32(2.0)))), Float32(Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) + (Float32(floor(d) * dY_46_w) ^ 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(h) * dX_46_v) ^ single(2.0)) + (((floor(w) * dX_46_u) ^ single(2.0)) + ((floor(d) * dX_46_w) ^ single(2.0)))), ((((floor(w) * dY_46_u) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0))) + ((floor(d) * dY_46_w) ^ single(2.0)))))); end
\begin{array}{l}
\\
\log_{2} \left(\sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + \left({\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor d\right\rfloor \cdot dX.w\right)}^{2}\right), \left({\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\right) + {\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2}\right)}\right)
\end{array}
Initial program 67.4%
sqrt-lowering-sqrt.f32N/A
fmax-lowering-fmax.f32N/A
Applied egg-rr67.4%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0 (pow (* (floor d) dY.w) 2.0))
(t_1 (pow (* (floor w) dY.u) 2.0))
(t_2 (pow (* (floor h) dX.v) 2.0))
(t_3 (pow (* (floor h) dY.v) 2.0)))
(if (<= dX.w 50000.0)
(log2
(sqrt (fmax (+ t_2 (pow (* (floor w) dX.u) 2.0)) (+ t_1 (+ t_3 t_0)))))
(log2
(sqrt
(fmax (+ t_2 (pow (* (floor d) dX.w) 2.0)) (+ (+ t_1 t_3) t_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 = powf((floorf(d) * dY_46_w), 2.0f);
float t_1 = powf((floorf(w) * dY_46_u), 2.0f);
float t_2 = powf((floorf(h) * dX_46_v), 2.0f);
float t_3 = powf((floorf(h) * dY_46_v), 2.0f);
float tmp;
if (dX_46_w <= 50000.0f) {
tmp = log2f(sqrtf(fmaxf((t_2 + powf((floorf(w) * dX_46_u), 2.0f)), (t_1 + (t_3 + t_0)))));
} else {
tmp = log2f(sqrtf(fmaxf((t_2 + powf((floorf(d) * dX_46_w), 2.0f)), ((t_1 + t_3) + t_0))));
}
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) * dY_46_w) ^ Float32(2.0) t_1 = Float32(floor(w) * dY_46_u) ^ Float32(2.0) t_2 = Float32(floor(h) * dX_46_v) ^ Float32(2.0) t_3 = Float32(floor(h) * dY_46_v) ^ Float32(2.0) tmp = Float32(0.0) if (dX_46_w <= Float32(50000.0)) tmp = log2(sqrt(((Float32(t_2 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) != Float32(t_2 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0)))) ? Float32(t_1 + Float32(t_3 + t_0)) : ((Float32(t_1 + Float32(t_3 + t_0)) != Float32(t_1 + Float32(t_3 + t_0))) ? Float32(t_2 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) : max(Float32(t_2 + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), Float32(t_1 + Float32(t_3 + t_0))))))); else tmp = log2(sqrt(((Float32(t_2 + (Float32(floor(d) * dX_46_w) ^ Float32(2.0))) != Float32(t_2 + (Float32(floor(d) * dX_46_w) ^ Float32(2.0)))) ? Float32(Float32(t_1 + t_3) + t_0) : ((Float32(Float32(t_1 + t_3) + t_0) != Float32(Float32(t_1 + t_3) + t_0)) ? Float32(t_2 + (Float32(floor(d) * dX_46_w) ^ Float32(2.0))) : max(Float32(t_2 + (Float32(floor(d) * dX_46_w) ^ Float32(2.0))), Float32(Float32(t_1 + t_3) + t_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) * dY_46_w) ^ single(2.0); t_1 = (floor(w) * dY_46_u) ^ single(2.0); t_2 = (floor(h) * dX_46_v) ^ single(2.0); t_3 = (floor(h) * dY_46_v) ^ single(2.0); tmp = single(0.0); if (dX_46_w <= single(50000.0)) tmp = log2(sqrt(max((t_2 + ((floor(w) * dX_46_u) ^ single(2.0))), (t_1 + (t_3 + t_0))))); else tmp = log2(sqrt(max((t_2 + ((floor(d) * dX_46_w) ^ single(2.0))), ((t_1 + t_3) + t_0)))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2}\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2}\\
t_2 := {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_3 := {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
\mathbf{if}\;dX.w \leq 50000:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(t\_2 + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_1 + \left(t\_3 + t\_0\right)\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left(t\_2 + {\left(\left\lfloor d\right\rfloor \cdot dX.w\right)}^{2}, \left(t\_1 + t\_3\right) + t\_0\right)}\right)\\
\end{array}
\end{array}
if dX.w < 5e4Initial program 68.8%
Taylor expanded in dX.w around 0
*-lft-identityN/A
*-inversesN/A
*-commutativeN/A
associate-/l*N/A
associate-*l/N/A
*-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f32N/A
*-commutativeN/A
associate-*l/N/A
associate-/l*N/A
*-commutativeN/A
*-inversesN/A
*-lft-identityN/A
Simplified61.4%
Applied egg-rr61.4%
if 5e4 < dX.w Initial program 61.4%
Taylor expanded in dX.u around 0
*-lft-identityN/A
*-inversesN/A
*-commutativeN/A
associate-/l*N/A
associate-*l/N/A
*-commutativeN/A
*-rgt-identityN/A
*-inversesN/A
associate-/l*N/A
associate-*l/N/A
+-lowering-+.f32N/A
Simplified61.8%
sqrt-lowering-sqrt.f32N/A
fmax-lowering-fmax.f32N/A
Applied egg-rr61.8%
Final simplification61.5%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0
(+
(pow (* (floor w) dY.u) 2.0)
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor d) dY.w) 2.0)))))
(if (<= dX.w 100000000.0)
(log2
(sqrt
(fmax
(+ (pow (* (floor h) dX.v) 2.0) (pow (* (floor w) dX.u) 2.0))
t_0)))
(log2 (sqrt (fmax (pow (* (floor d) dX.w) 2.0) t_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 = powf((floorf(w) * dY_46_u), 2.0f) + (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(d) * dY_46_w), 2.0f));
float tmp;
if (dX_46_w <= 100000000.0f) {
tmp = log2f(sqrtf(fmaxf((powf((floorf(h) * dX_46_v), 2.0f) + powf((floorf(w) * dX_46_u), 2.0f)), t_0)));
} else {
tmp = log2f(sqrtf(fmaxf(powf((floorf(d) * dX_46_w), 2.0f), t_0)));
}
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((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0)))) tmp = Float32(0.0) if (dX_46_w <= Float32(100000000.0)) tmp = log2(sqrt(((Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) != Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0)))) ? t_0 : ((t_0 != t_0) ? Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))) : max(Float32((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) + (Float32(floor(w) * dX_46_u) ^ Float32(2.0))), t_0))))); else tmp = log2(sqrt((((Float32(floor(d) * dX_46_w) ^ Float32(2.0)) != (Float32(floor(d) * dX_46_w) ^ Float32(2.0))) ? t_0 : ((t_0 != t_0) ? (Float32(floor(d) * dX_46_w) ^ Float32(2.0)) : max((Float32(floor(d) * dX_46_w) ^ Float32(2.0)), t_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(w) * dY_46_u) ^ single(2.0)) + (((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(d) * dY_46_w) ^ single(2.0))); tmp = single(0.0); if (dX_46_w <= single(100000000.0)) tmp = log2(sqrt(max((((floor(h) * dX_46_v) ^ single(2.0)) + ((floor(w) * dX_46_u) ^ single(2.0))), t_0))); else tmp = log2(sqrt(max(((floor(d) * dX_46_w) ^ single(2.0)), t_0))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + \left({\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2}\right)\\
\mathbf{if}\;dX.w \leq 100000000:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2} + {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2}, t\_0\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left({\left(\left\lfloor d\right\rfloor \cdot dX.w\right)}^{2}, t\_0\right)}\right)\\
\end{array}
\end{array}
if dX.w < 1e8Initial program 69.2%
Taylor expanded in dX.w around 0
*-lft-identityN/A
*-inversesN/A
*-commutativeN/A
associate-/l*N/A
associate-*l/N/A
*-commutativeN/A
+-lowering-+.f32N/A
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f32N/A
*-commutativeN/A
associate-*l/N/A
associate-/l*N/A
*-commutativeN/A
*-inversesN/A
*-lft-identityN/A
Simplified62.0%
Applied egg-rr62.0%
if 1e8 < dX.w Initial program 57.9%
Taylor expanded in dX.w around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3255.7%
Simplified55.7%
Applied egg-rr55.8%
Final simplification61.1%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(let* ((t_0
(+
(pow (* (floor w) dY.u) 2.0)
(+ (pow (* (floor h) dY.v) 2.0) (pow (* (floor d) dY.w) 2.0)))))
(if (<= dX.w 100000000.0)
(log2 (sqrt (fmax (pow (* (floor h) dX.v) 2.0) t_0)))
(log2 (sqrt (fmax (pow (* (floor d) dX.w) 2.0) t_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 = powf((floorf(w) * dY_46_u), 2.0f) + (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(d) * dY_46_w), 2.0f));
float tmp;
if (dX_46_w <= 100000000.0f) {
tmp = log2f(sqrtf(fmaxf(powf((floorf(h) * dX_46_v), 2.0f), t_0)));
} else {
tmp = log2f(sqrtf(fmaxf(powf((floorf(d) * dX_46_w), 2.0f), t_0)));
}
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((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0)))) tmp = Float32(0.0) if (dX_46_w <= Float32(100000000.0)) tmp = log2(sqrt((((Float32(floor(h) * dX_46_v) ^ Float32(2.0)) != (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) ? t_0 : ((t_0 != t_0) ? (Float32(floor(h) * dX_46_v) ^ Float32(2.0)) : max((Float32(floor(h) * dX_46_v) ^ Float32(2.0)), t_0))))); else tmp = log2(sqrt((((Float32(floor(d) * dX_46_w) ^ Float32(2.0)) != (Float32(floor(d) * dX_46_w) ^ Float32(2.0))) ? t_0 : ((t_0 != t_0) ? (Float32(floor(d) * dX_46_w) ^ Float32(2.0)) : max((Float32(floor(d) * dX_46_w) ^ Float32(2.0)), t_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(w) * dY_46_u) ^ single(2.0)) + (((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(d) * dY_46_w) ^ single(2.0))); tmp = single(0.0); if (dX_46_w <= single(100000000.0)) tmp = log2(sqrt(max(((floor(h) * dX_46_v) ^ single(2.0)), t_0))); else tmp = log2(sqrt(max(((floor(d) * dX_46_w) ^ single(2.0)), t_0))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + \left({\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2}\right)\\
\mathbf{if}\;dX.w \leq 100000000:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, t\_0\right)}\right)\\
\mathbf{else}:\\
\;\;\;\;\log_{2} \left(\sqrt{\mathsf{max}\left({\left(\left\lfloor d\right\rfloor \cdot dX.w\right)}^{2}, t\_0\right)}\right)\\
\end{array}
\end{array}
if dX.w < 1e8Initial program 69.2%
Taylor expanded in dX.v around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3255.6%
Simplified55.6%
Applied egg-rr55.6%
if 1e8 < dX.w Initial program 57.9%
Taylor expanded in dX.w around inf
*-lowering-*.f32N/A
unpow2N/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3255.7%
Simplified55.7%
Applied egg-rr55.8%
Final simplification55.6%
(FPCore (w h d dX.u dX.v dX.w dY.u dY.v dY.w)
:precision binary32
(log2
(sqrt
(fmax
(pow (* (floor h) dX.v) 2.0)
(+
(pow (* (floor w) dY.u) 2.0)
(+ (pow (* (floor h) dY.v) 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) {
return log2f(sqrtf(fmaxf(powf((floorf(h) * dX_46_v), 2.0f), (powf((floorf(w) * dY_46_u), 2.0f) + (powf((floorf(h) * dY_46_v), 2.0f) + powf((floorf(d) * dY_46_w), 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(h) * dX_46_v) ^ Float32(2.0)) != (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) ? Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0)))) : ((Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0)))) != Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ Float32(2.0))))) ? (Float32(floor(h) * dX_46_v) ^ Float32(2.0)) : max((Float32(floor(h) * dX_46_v) ^ Float32(2.0)), Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + Float32((Float32(floor(h) * dY_46_v) ^ Float32(2.0)) + (Float32(floor(d) * dY_46_w) ^ 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(h) * dX_46_v) ^ single(2.0)), (((floor(w) * dY_46_u) ^ single(2.0)) + (((floor(h) * dY_46_v) ^ single(2.0)) + ((floor(d) * dY_46_w) ^ single(2.0))))))); end
\begin{array}{l}
\\
\log_{2} \left(\sqrt{\mathsf{max}\left({\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}, {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + \left({\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2} + {\left(\left\lfloor d\right\rfloor \cdot dY.w\right)}^{2}\right)\right)}\right)
\end{array}
Initial program 67.4%
Taylor expanded in dX.v around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
*-lowering-*.f32N/A
*-commutativeN/A
*-lowering-*.f32N/A
pow-lowering-pow.f32N/A
floor-lowering-floor.f3253.4%
Simplified53.4%
Applied egg-rr53.4%
Final simplification53.4%
herbie shell --seed 2024192
(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)))))))