
(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\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloorh\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 9 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\lfloorh\right\rfloor \cdot dX.v\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloorh\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 (* (floor h) dY.v))
(t_1 (pow (hypot t_0 (* (floor w) dY.u)) 2.0))
(t_2 (* dX.v (floor h)))
(t_3 (* dX.u (floor w))))
(if (>= (pow (hypot t_2 t_3) 2.0) t_1)
(expm1
(log1p
(/ t_2 (sqrt (fmax (fma (* (floor h) t_2) dX.v (pow t_3 2.0)) t_1)))))
(/
t_0
(sqrt
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(fma
(floor h)
(* dY.v t_0)
(* dY.u (* dY.u (* (floor w) (floor w)))))))))))
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) * dY_46_v;
float t_1 = powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f);
float t_2 = dX_46_v * floorf(h);
float t_3 = dX_46_u * floorf(w);
float tmp;
if (powf(hypotf(t_2, t_3), 2.0f) >= t_1) {
tmp = expm1f(log1pf((t_2 / sqrtf(fmaxf(fmaf((floorf(h) * t_2), dX_46_v, powf(t_3, 2.0f)), t_1)))));
} else {
tmp = t_0 / sqrtf(fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), fmaf(floorf(h), (dY_46_v * t_0), (dY_46_u * (dY_46_u * (floorf(w) * floorf(w)))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_2 = Float32(dX_46_v * floor(h)) t_3 = Float32(dX_46_u * floor(w)) tmp = Float32(0.0) if ((hypot(t_2, t_3) ^ Float32(2.0)) >= t_1) tmp = expm1(log1p(Float32(t_2 / sqrt(((fma(Float32(floor(h) * t_2), dX_46_v, (t_3 ^ Float32(2.0))) != fma(Float32(floor(h) * t_2), dX_46_v, (t_3 ^ Float32(2.0)))) ? t_1 : ((t_1 != t_1) ? fma(Float32(floor(h) * t_2), dX_46_v, (t_3 ^ Float32(2.0))) : max(fma(Float32(floor(h) * t_2), dX_46_v, (t_3 ^ Float32(2.0))), t_1))))))); else tmp = Float32(t_0 / sqrt(((fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) : ((fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) != fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_2 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_3 := dX.u \cdot \left\lfloorw\right\rfloor\\
\mathbf{if}\;{\left(\mathsf{hypot}\left(t\_2, t\_3\right)\right)}^{2} \geq t\_1:\\
\;\;\;\;\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{t\_2}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloorh\right\rfloor \cdot t\_2, dX.v, {t\_3}^{2}\right), t\_1\right)}}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\right), \mathsf{fma}\left(\left\lfloorh\right\rfloor, dY.v \cdot t\_0, dY.u \cdot \left(dY.u \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorw\right\rfloor\right)\right)\right)\right)}}\\
\end{array}
\end{array}
Initial program 73.9%
Simplified74.1%
Applied egg-rr59.9%
expm1-define74.1%
*-commutative74.1%
associate-/r/74.1%
Simplified74.1%
Taylor expanded in w around 0 74.1%
Simplified74.1%
Applied egg-rr55.0%
Simplified74.1%
unpow274.1%
hypot-undefine74.1%
*-commutative74.1%
*-commutative74.1%
*-commutative74.1%
*-commutative74.1%
hypot-undefine74.1%
*-commutative74.1%
*-commutative74.1%
*-commutative74.1%
*-commutative74.1%
Applied egg-rr74.2%
Final simplification74.2%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot t_0 (* (floor w) dY.u)) 2.0))
(t_2 (* dX.v (floor h)))
(t_3 (pow (hypot t_2 (* dX.u (floor w))) 2.0)))
(if (>= t_3 t_1)
(expm1 (log1p (/ t_2 (sqrt (fmax t_3 t_1)))))
(/
t_0
(sqrt
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(fma
(floor h)
(* dY.v t_0)
(* dY.u (* dY.u (* (floor w) (floor w)))))))))))
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) * dY_46_v;
float t_1 = powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f);
float t_2 = dX_46_v * floorf(h);
float t_3 = powf(hypotf(t_2, (dX_46_u * floorf(w))), 2.0f);
float tmp;
if (t_3 >= t_1) {
tmp = expm1f(log1pf((t_2 / sqrtf(fmaxf(t_3, t_1)))));
} else {
tmp = t_0 / sqrtf(fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), fmaf(floorf(h), (dY_46_v * t_0), (dY_46_u * (dY_46_u * (floorf(w) * floorf(w)))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_2 = Float32(dX_46_v * floor(h)) t_3 = hypot(t_2, Float32(dX_46_u * floor(w))) ^ Float32(2.0) tmp = Float32(0.0) if (t_3 >= t_1) tmp = expm1(log1p(Float32(t_2 / sqrt(((t_3 != t_3) ? t_1 : ((t_1 != t_1) ? t_3 : max(t_3, t_1))))))); else tmp = Float32(t_0 / sqrt(((fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) : ((fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) != fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_2 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_3 := {\left(\mathsf{hypot}\left(t\_2, dX.u \cdot \left\lfloorw\right\rfloor\right)\right)}^{2}\\
\mathbf{if}\;t\_3 \geq t\_1:\\
\;\;\;\;\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{t\_2}{\sqrt{\mathsf{max}\left(t\_3, t\_1\right)}}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\right), \mathsf{fma}\left(\left\lfloorh\right\rfloor, dY.v \cdot t\_0, dY.u \cdot \left(dY.u \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorw\right\rfloor\right)\right)\right)\right)}}\\
\end{array}
\end{array}
Initial program 73.9%
Simplified74.1%
Applied egg-rr59.9%
expm1-define74.1%
*-commutative74.1%
associate-/r/74.1%
Simplified74.1%
Taylor expanded in w around 0 74.1%
Simplified74.1%
Applied egg-rr55.0%
Simplified74.1%
Final simplification74.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot t_0 (* (floor w) dY.u)) 2.0))
(t_2 (pow (hypot (* dX.v (floor h)) (* dX.u (floor w))) 2.0))
(t_3 (fmax t_2 t_1)))
(if (>= t_2 t_1)
(expm1 (log1p (/ (floor h) (/ (sqrt t_3) dX.v))))
(/ t_0 (pow t_3 0.5)))))
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) * dY_46_v;
float t_1 = powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f);
float t_2 = powf(hypotf((dX_46_v * floorf(h)), (dX_46_u * floorf(w))), 2.0f);
float t_3 = fmaxf(t_2, t_1);
float tmp;
if (t_2 >= t_1) {
tmp = expm1f(log1pf((floorf(h) / (sqrtf(t_3) / dX_46_v))));
} else {
tmp = t_0 / powf(t_3, 0.5f);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_2 = hypot(Float32(dX_46_v * floor(h)), Float32(dX_46_u * floor(w))) ^ Float32(2.0) t_3 = (t_2 != t_2) ? t_1 : ((t_1 != t_1) ? t_2 : max(t_2, t_1)) tmp = Float32(0.0) if (t_2 >= t_1) tmp = expm1(log1p(Float32(floor(h) / Float32(sqrt(t_3) / dX_46_v)))); else tmp = Float32(t_0 / (t_3 ^ Float32(0.5))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_2 := {\left(\mathsf{hypot}\left(dX.v \cdot \left\lfloorh\right\rfloor, dX.u \cdot \left\lfloorw\right\rfloor\right)\right)}^{2}\\
t_3 := \mathsf{max}\left(t\_2, t\_1\right)\\
\mathbf{if}\;t\_2 \geq t\_1:\\
\;\;\;\;\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{\left\lfloorh\right\rfloor}{\frac{\sqrt{t\_3}}{dX.v}}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{{t\_3}^{0.5}}\\
\end{array}
\end{array}
Initial program 73.9%
Simplified74.1%
Applied egg-rr59.9%
expm1-define74.1%
*-commutative74.1%
associate-/r/74.1%
Simplified74.1%
Taylor expanded in w around 0 74.1%
Simplified74.1%
Applied egg-rr74.1%
Final simplification74.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* t_0 t_0))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dY.v))
(t_4 (+ (* t_2 t_2) (* t_3 t_3)))
(t_5 (* dX.u (floor w))))
(if (>= (+ (pow t_5 2.0) t_1) t_4)
(*
t_0
(/ 1.0 (sqrt (fmax (+ t_1 (* (pow dX.u 2.0) (pow (floor w) 2.0))) t_4))))
(* t_3 (/ 1.0 (sqrt (fmax (+ t_1 (* t_5 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 = dX_46_v * floorf(h);
float t_1 = t_0 * t_0;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dY_46_v;
float t_4 = (t_2 * t_2) + (t_3 * t_3);
float t_5 = dX_46_u * floorf(w);
float tmp;
if ((powf(t_5, 2.0f) + t_1) >= t_4) {
tmp = t_0 * (1.0f / sqrtf(fmaxf((t_1 + (powf(dX_46_u, 2.0f) * powf(floorf(w), 2.0f))), t_4)));
} else {
tmp = t_3 * (1.0f / sqrtf(fmaxf((t_1 + (t_5 * 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(dX_46_v * floor(h)) t_1 = Float32(t_0 * t_0) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) t_5 = Float32(dX_46_u * floor(w)) tmp = Float32(0.0) if (Float32((t_5 ^ Float32(2.0)) + t_1) >= t_4) tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((Float32(t_1 + Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0)))) != Float32(t_1 + Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0))))) ? t_4 : ((t_4 != t_4) ? Float32(t_1 + Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0)))) : max(Float32(t_1 + Float32((dX_46_u ^ Float32(2.0)) * (floor(w) ^ Float32(2.0)))), t_4)))))); else tmp = Float32(t_3 * Float32(Float32(1.0) / sqrt(((Float32(t_1 + Float32(t_5 * t_5)) != Float32(t_1 + Float32(t_5 * t_5))) ? t_4 : ((t_4 != t_4) ? Float32(t_1 + Float32(t_5 * t_5)) : max(Float32(t_1 + Float32(t_5 * 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 = dX_46_v * floor(h); t_1 = t_0 * t_0; t_2 = floor(w) * dY_46_u; t_3 = floor(h) * dY_46_v; t_4 = (t_2 * t_2) + (t_3 * t_3); t_5 = dX_46_u * floor(w); tmp = single(0.0); if (((t_5 ^ single(2.0)) + t_1) >= t_4) tmp = t_0 * (single(1.0) / sqrt(max((t_1 + ((dX_46_u ^ single(2.0)) * (floor(w) ^ single(2.0)))), t_4))); else tmp = t_3 * (single(1.0) / sqrt(max((t_1 + (t_5 * t_5)), t_4))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := t\_0 \cdot t\_0\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_4 := t\_2 \cdot t\_2 + t\_3 \cdot t\_3\\
t_5 := dX.u \cdot \left\lfloorw\right\rfloor\\
\mathbf{if}\;{t\_5}^{2} + t\_1 \geq t\_4:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_1 + {dX.u}^{2} \cdot {\left(\left\lfloorw\right\rfloor\right)}^{2}, t\_4\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_1 + t\_5 \cdot t\_5, t\_4\right)}}\\
\end{array}
\end{array}
Initial program 73.9%
pow273.9%
Applied egg-rr73.9%
Taylor expanded in w around 0 74.0%
Final simplification74.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* t_0 t_0))
(t_2 (* (floor w) dY.u))
(t_3 (* (floor h) dY.v))
(t_4 (+ (* t_2 t_2) (* t_3 t_3)))
(t_5 (* dX.u (floor w))))
(if (>= (+ (pow t_5 2.0) t_1) t_4)
(* t_0 (/ 1.0 (sqrt (fmax (+ t_1 (* dX.u (* (floor w) t_5))) t_4))))
(* t_3 (/ 1.0 (sqrt (fmax (+ t_1 (* t_5 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 = dX_46_v * floorf(h);
float t_1 = t_0 * t_0;
float t_2 = floorf(w) * dY_46_u;
float t_3 = floorf(h) * dY_46_v;
float t_4 = (t_2 * t_2) + (t_3 * t_3);
float t_5 = dX_46_u * floorf(w);
float tmp;
if ((powf(t_5, 2.0f) + t_1) >= t_4) {
tmp = t_0 * (1.0f / sqrtf(fmaxf((t_1 + (dX_46_u * (floorf(w) * t_5))), t_4)));
} else {
tmp = t_3 * (1.0f / sqrtf(fmaxf((t_1 + (t_5 * 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(dX_46_v * floor(h)) t_1 = Float32(t_0 * t_0) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(floor(h) * dY_46_v) t_4 = Float32(Float32(t_2 * t_2) + Float32(t_3 * t_3)) t_5 = Float32(dX_46_u * floor(w)) tmp = Float32(0.0) if (Float32((t_5 ^ Float32(2.0)) + t_1) >= t_4) tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((Float32(t_1 + Float32(dX_46_u * Float32(floor(w) * t_5))) != Float32(t_1 + Float32(dX_46_u * Float32(floor(w) * t_5)))) ? t_4 : ((t_4 != t_4) ? Float32(t_1 + Float32(dX_46_u * Float32(floor(w) * t_5))) : max(Float32(t_1 + Float32(dX_46_u * Float32(floor(w) * t_5))), t_4)))))); else tmp = Float32(t_3 * Float32(Float32(1.0) / sqrt(((Float32(t_1 + Float32(t_5 * t_5)) != Float32(t_1 + Float32(t_5 * t_5))) ? t_4 : ((t_4 != t_4) ? Float32(t_1 + Float32(t_5 * t_5)) : max(Float32(t_1 + Float32(t_5 * 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 = dX_46_v * floor(h); t_1 = t_0 * t_0; t_2 = floor(w) * dY_46_u; t_3 = floor(h) * dY_46_v; t_4 = (t_2 * t_2) + (t_3 * t_3); t_5 = dX_46_u * floor(w); tmp = single(0.0); if (((t_5 ^ single(2.0)) + t_1) >= t_4) tmp = t_0 * (single(1.0) / sqrt(max((t_1 + (dX_46_u * (floor(w) * t_5))), t_4))); else tmp = t_3 * (single(1.0) / sqrt(max((t_1 + (t_5 * t_5)), t_4))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := t\_0 \cdot t\_0\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_4 := t\_2 \cdot t\_2 + t\_3 \cdot t\_3\\
t_5 := dX.u \cdot \left\lfloorw\right\rfloor\\
\mathbf{if}\;{t\_5}^{2} + t\_1 \geq t\_4:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_1 + dX.u \cdot \left(\left\lfloorw\right\rfloor \cdot t\_5\right), t\_4\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_1 + t\_5 \cdot t\_5, t\_4\right)}}\\
\end{array}
\end{array}
Initial program 73.9%
pow273.9%
Applied egg-rr73.9%
add-cbrt-cube56.2%
pow1/356.1%
pow356.1%
pow256.1%
pow-pow56.1%
metadata-eval56.1%
Applied egg-rr56.1%
pow-pow73.9%
metadata-eval73.9%
pow273.9%
associate-*r*74.0%
*-commutative74.0%
Applied egg-rr74.0%
Final simplification74.0%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* t_0 t_0))
(t_2 (* (floor h) dY.v))
(t_3 (* t_2 t_2))
(t_4 (* (floor w) dY.u))
(t_5 (+ (* t_4 t_4) t_3))
(t_6 (* dX.u (floor w))))
(if (>= (+ (pow t_6 2.0) t_1) (+ t_3 (pow t_4 2.0)))
(* t_0 (/ 1.0 (sqrt (fmax (+ t_1 (* (floor w) (* dX.u t_6))) t_5))))
(* t_2 (/ 1.0 (sqrt (fmax (+ t_1 (* t_6 t_6)) t_5)))))))
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 = dX_46_v * floorf(h);
float t_1 = t_0 * t_0;
float t_2 = floorf(h) * dY_46_v;
float t_3 = t_2 * t_2;
float t_4 = floorf(w) * dY_46_u;
float t_5 = (t_4 * t_4) + t_3;
float t_6 = dX_46_u * floorf(w);
float tmp;
if ((powf(t_6, 2.0f) + t_1) >= (t_3 + powf(t_4, 2.0f))) {
tmp = t_0 * (1.0f / sqrtf(fmaxf((t_1 + (floorf(w) * (dX_46_u * t_6))), t_5)));
} else {
tmp = t_2 * (1.0f / sqrtf(fmaxf((t_1 + (t_6 * t_6)), t_5)));
}
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)) t_1 = Float32(t_0 * t_0) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(t_2 * t_2) t_4 = Float32(floor(w) * dY_46_u) t_5 = Float32(Float32(t_4 * t_4) + t_3) t_6 = Float32(dX_46_u * floor(w)) tmp = Float32(0.0) if (Float32((t_6 ^ Float32(2.0)) + t_1) >= Float32(t_3 + (t_4 ^ Float32(2.0)))) tmp = Float32(t_0 * Float32(Float32(1.0) / sqrt(((Float32(t_1 + Float32(floor(w) * Float32(dX_46_u * t_6))) != Float32(t_1 + Float32(floor(w) * Float32(dX_46_u * t_6)))) ? t_5 : ((t_5 != t_5) ? Float32(t_1 + Float32(floor(w) * Float32(dX_46_u * t_6))) : max(Float32(t_1 + Float32(floor(w) * Float32(dX_46_u * t_6))), t_5)))))); else tmp = Float32(t_2 * Float32(Float32(1.0) / sqrt(((Float32(t_1 + Float32(t_6 * t_6)) != Float32(t_1 + Float32(t_6 * t_6))) ? t_5 : ((t_5 != t_5) ? Float32(t_1 + Float32(t_6 * t_6)) : max(Float32(t_1 + Float32(t_6 * t_6)), t_5)))))); 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); t_1 = t_0 * t_0; t_2 = floor(h) * dY_46_v; t_3 = t_2 * t_2; t_4 = floor(w) * dY_46_u; t_5 = (t_4 * t_4) + t_3; t_6 = dX_46_u * floor(w); tmp = single(0.0); if (((t_6 ^ single(2.0)) + t_1) >= (t_3 + (t_4 ^ single(2.0)))) tmp = t_0 * (single(1.0) / sqrt(max((t_1 + (floor(w) * (dX_46_u * t_6))), t_5))); else tmp = t_2 * (single(1.0) / sqrt(max((t_1 + (t_6 * t_6)), t_5))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := t\_0 \cdot t\_0\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_3 := t\_2 \cdot t\_2\\
t_4 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_5 := t\_4 \cdot t\_4 + t\_3\\
t_6 := dX.u \cdot \left\lfloorw\right\rfloor\\
\mathbf{if}\;{t\_6}^{2} + t\_1 \geq t\_3 + {t\_4}^{2}:\\
\;\;\;\;t\_0 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_1 + \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot t\_6\right), t\_5\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_1 + t\_6 \cdot t\_6, t\_5\right)}}\\
\end{array}
\end{array}
Initial program 73.9%
pow273.9%
Applied egg-rr73.9%
add-cbrt-cube56.2%
pow1/356.1%
pow356.1%
pow256.1%
pow-pow56.1%
metadata-eval56.1%
Applied egg-rr56.1%
pow-pow73.9%
metadata-eval73.9%
pow273.9%
associate-*l*73.9%
*-commutative73.9%
Applied egg-rr73.9%
Taylor expanded in w around 0 73.9%
*-commutative73.9%
unpow273.9%
unpow273.9%
swap-sqr73.9%
unpow273.9%
Simplified73.9%
Final simplification73.9%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.u (floor w)))
(t_1 (* (floor h) dY.v))
(t_2 (* dX.v (floor h)))
(t_3 (pow (hypot t_1 (* (floor w) dY.u)) 2.0))
(t_4
(expm1 (log1p (/ t_2 (sqrt (fmax (pow (hypot t_2 t_0) 2.0) t_3))))))
(t_5
(/
t_1
(sqrt
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(fma
(floor h)
(* dY.v t_1)
(* dY.u (* dY.u (* (floor w) (floor w))))))))))
(if (<= dX.u 4.999999873689376e-6)
(if (>= (pow t_2 2.0) t_3) t_4 t_5)
(if (>= (pow t_0 2.0) t_3) t_4 t_5))))
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 = dX_46_u * floorf(w);
float t_1 = floorf(h) * dY_46_v;
float t_2 = dX_46_v * floorf(h);
float t_3 = powf(hypotf(t_1, (floorf(w) * dY_46_u)), 2.0f);
float t_4 = expm1f(log1pf((t_2 / sqrtf(fmaxf(powf(hypotf(t_2, t_0), 2.0f), t_3)))));
float t_5 = t_1 / sqrtf(fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), fmaf(floorf(h), (dY_46_v * t_1), (dY_46_u * (dY_46_u * (floorf(w) * floorf(w)))))));
float tmp_1;
if (dX_46_u <= 4.999999873689376e-6f) {
float tmp_2;
if (powf(t_2, 2.0f) >= t_3) {
tmp_2 = t_4;
} else {
tmp_2 = t_5;
}
tmp_1 = tmp_2;
} else if (powf(t_0, 2.0f) >= t_3) {
tmp_1 = t_4;
} else {
tmp_1 = t_5;
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(dX_46_u * floor(w)) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(dX_46_v * floor(h)) t_3 = hypot(t_1, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_4 = expm1(log1p(Float32(t_2 / sqrt((((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? t_3 : ((t_3 != t_3) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), t_3))))))) t_5 = Float32(t_1 / sqrt(((fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? fma(floor(h), Float32(dY_46_v * t_1), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) : ((fma(floor(h), Float32(dY_46_v * t_1), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) != fma(floor(h), Float32(dY_46_v * t_1), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), fma(floor(h), Float32(dY_46_v * t_1), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))))))) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(4.999999873689376e-6)) tmp_2 = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= t_3) tmp_2 = t_4; else tmp_2 = t_5; end tmp_1 = tmp_2; elseif ((t_0 ^ Float32(2.0)) >= t_3) tmp_1 = t_4; else tmp_1 = t_5; end return tmp_1 end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_3 := {\left(\mathsf{hypot}\left(t\_1, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_4 := \mathsf{expm1}\left(\mathsf{log1p}\left(\frac{t\_2}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_2, t\_0\right)\right)}^{2}, t\_3\right)}}\right)\right)\\
t_5 := \frac{t\_1}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\right), \mathsf{fma}\left(\left\lfloorh\right\rfloor, dY.v \cdot t\_1, dY.u \cdot \left(dY.u \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorw\right\rfloor\right)\right)\right)\right)}}\\
\mathbf{if}\;dX.u \leq 4.999999873689376 \cdot 10^{-6}:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_2}^{2} \geq t\_3:\\
\;\;\;\;t\_4\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}\\
\mathbf{elif}\;{t\_0}^{2} \geq t\_3:\\
\;\;\;\;t\_4\\
\mathbf{else}:\\
\;\;\;\;t\_5\\
\end{array}
\end{array}
if dX.u < 4.99999987e-6Initial program 76.2%
Simplified76.3%
Applied egg-rr65.3%
expm1-define76.3%
*-commutative76.3%
associate-/r/76.3%
Simplified76.3%
Taylor expanded in w around 0 76.3%
Simplified76.3%
Applied egg-rr58.5%
Simplified76.3%
Taylor expanded in dX.v around inf 68.7%
unpow268.7%
unpow268.7%
swap-sqr68.7%
unpow268.7%
Simplified68.7%
if 4.99999987e-6 < dX.u Initial program 68.1%
Simplified68.4%
Applied egg-rr45.8%
expm1-define68.4%
*-commutative68.4%
associate-/r/68.4%
Simplified68.4%
Taylor expanded in w around 0 68.4%
Simplified68.4%
Applied egg-rr45.8%
Simplified68.4%
Taylor expanded in dX.v around 0 67.2%
unpow267.1%
unpow267.1%
swap-sqr67.1%
unpow267.1%
Simplified67.2%
Final simplification68.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (* dX.u (floor w)))
(t_2 (pow (hypot t_0 (* (floor w) dY.u)) 2.0)))
(if (>= (pow t_1 2.0) t_2)
(expm1
(log1p
(*
(floor h)
(/
1.0
(/
(sqrt (fmax (pow (hypot t_1 (* dX.v (floor h))) 2.0) t_2))
dX.v)))))
(/
t_0
(sqrt
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(fma
(floor h)
(* dY.v t_0)
(* dY.u (* dY.u (* (floor w) (floor w)))))))))))
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) * dY_46_v;
float t_1 = dX_46_u * floorf(w);
float t_2 = powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f);
float tmp;
if (powf(t_1, 2.0f) >= t_2) {
tmp = expm1f(log1pf((floorf(h) * (1.0f / (sqrtf(fmaxf(powf(hypotf(t_1, (dX_46_v * floorf(h))), 2.0f), t_2)) / dX_46_v)))));
} else {
tmp = t_0 / sqrtf(fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), fmaf(floorf(h), (dY_46_v * t_0), (dY_46_u * (dY_46_u * (floorf(w) * floorf(w)))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = Float32(dX_46_u * floor(w)) t_2 = hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) tmp = Float32(0.0) if ((t_1 ^ Float32(2.0)) >= t_2) tmp = expm1(log1p(Float32(floor(h) * Float32(Float32(1.0) / Float32(sqrt((((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) != (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0))) ? t_2 : ((t_2 != t_2) ? (hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)) : max((hypot(t_1, Float32(dX_46_v * floor(h))) ^ Float32(2.0)), t_2)))) / dX_46_v))))); else tmp = Float32(t_0 / sqrt(((fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) : ((fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) != fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_2 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
\mathbf{if}\;{t\_1}^{2} \geq t\_2:\\
\;\;\;\;\mathsf{expm1}\left(\mathsf{log1p}\left(\left\lfloorh\right\rfloor \cdot \frac{1}{\frac{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_1, dX.v \cdot \left\lfloorh\right\rfloor\right)\right)}^{2}, t\_2\right)}}{dX.v}}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\right), \mathsf{fma}\left(\left\lfloorh\right\rfloor, dY.v \cdot t\_0, dY.u \cdot \left(dY.u \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorw\right\rfloor\right)\right)\right)\right)}}\\
\end{array}
\end{array}
Initial program 73.9%
Simplified74.1%
Applied egg-rr59.9%
expm1-define74.1%
*-commutative74.1%
associate-/r/74.1%
Simplified74.1%
Taylor expanded in w around 0 74.1%
Simplified74.1%
Applied egg-rr74.0%
Taylor expanded in dX.v around 0 65.1%
unpow265.1%
unpow265.1%
swap-sqr65.1%
unpow265.1%
Simplified65.1%
Final simplification65.1%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dY.v))
(t_1 (pow (hypot t_0 (* (floor w) dY.u)) 2.0))
(t_2 (* dX.u (floor w)))
(t_3 (* dX.v (floor h))))
(if (>= (pow t_2 2.0) t_1)
(expm1 (log1p (/ t_3 (sqrt (fmax (pow (hypot t_3 t_2) 2.0) t_1)))))
(/
t_0
(sqrt
(fmax
(fma
(floor w)
(* (floor w) (* dX.u dX.u))
(* (floor h) (* (floor h) (* dX.v dX.v))))
(fma
(floor h)
(* dY.v t_0)
(* dY.u (* dY.u (* (floor w) (floor w)))))))))))
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) * dY_46_v;
float t_1 = powf(hypotf(t_0, (floorf(w) * dY_46_u)), 2.0f);
float t_2 = dX_46_u * floorf(w);
float t_3 = dX_46_v * floorf(h);
float tmp;
if (powf(t_2, 2.0f) >= t_1) {
tmp = expm1f(log1pf((t_3 / sqrtf(fmaxf(powf(hypotf(t_3, t_2), 2.0f), t_1)))));
} else {
tmp = t_0 / sqrtf(fmaxf(fmaf(floorf(w), (floorf(w) * (dX_46_u * dX_46_u)), (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), fmaf(floorf(h), (dY_46_v * t_0), (dY_46_u * (dY_46_u * (floorf(w) * floorf(w)))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(h) * dY_46_v) t_1 = hypot(t_0, Float32(floor(w) * dY_46_u)) ^ Float32(2.0) t_2 = Float32(dX_46_u * floor(w)) t_3 = Float32(dX_46_v * floor(h)) tmp = Float32(0.0) if ((t_2 ^ Float32(2.0)) >= t_1) tmp = expm1(log1p(Float32(t_3 / sqrt((((hypot(t_3, t_2) ^ Float32(2.0)) != (hypot(t_3, t_2) ^ Float32(2.0))) ? t_1 : ((t_1 != t_1) ? (hypot(t_3, t_2) ^ Float32(2.0)) : max((hypot(t_3, t_2) ^ Float32(2.0)), t_1))))))); else tmp = Float32(t_0 / sqrt(((fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) : ((fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) != fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))) ? fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(fma(floor(w), Float32(floor(w) * Float32(dX_46_u * dX_46_u)), Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), fma(floor(h), Float32(dY_46_v * t_0), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w)))))))))); end return tmp end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_1 := {\left(\mathsf{hypot}\left(t\_0, \left\lfloorw\right\rfloor \cdot dY.u\right)\right)}^{2}\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := dX.v \cdot \left\lfloorh\right\rfloor\\
\mathbf{if}\;{t\_2}^{2} \geq t\_1:\\
\;\;\;\;\mathsf{expm1}\left(\mathsf{log1p}\left(\frac{t\_3}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t\_3, t\_2\right)\right)}^{2}, t\_1\right)}}\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\frac{t\_0}{\sqrt{\mathsf{max}\left(\mathsf{fma}\left(\left\lfloorw\right\rfloor, \left\lfloorw\right\rfloor \cdot \left(dX.u \cdot dX.u\right), \left\lfloorh\right\rfloor \cdot \left(\left\lfloorh\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right)\right), \mathsf{fma}\left(\left\lfloorh\right\rfloor, dY.v \cdot t\_0, dY.u \cdot \left(dY.u \cdot \left(\left\lfloorw\right\rfloor \cdot \left\lfloorw\right\rfloor\right)\right)\right)\right)}}\\
\end{array}
\end{array}
Initial program 73.9%
Simplified74.1%
Applied egg-rr59.9%
expm1-define74.1%
*-commutative74.1%
associate-/r/74.1%
Simplified74.1%
Taylor expanded in w around 0 74.1%
Simplified74.1%
Applied egg-rr55.0%
Simplified74.1%
Taylor expanded in dX.v around 0 65.3%
unpow265.1%
unpow265.1%
swap-sqr65.1%
unpow265.1%
Simplified65.3%
Final simplification65.3%
herbie shell --seed 2024039
(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))))