
(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 7 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) dX.v))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor w) dX.u))
(t_3 (pow (hypot t_2 t_0) 2.0))
(t_4 (* (floor h) dY.v)))
(if (>=
(fma t_2 t_2 (* (floor h) (* dX.v t_0)))
(fma t_1 t_1 (* (floor h) (* dY.v t_4))))
(/ t_0 (sqrt (fmax t_3 (pow (hypot t_1 t_4) 2.0))))
(/ t_4 (sqrt (fmax t_3 (pow (hypot t_4 t_1) 2.0)))))))
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 = powf(hypotf(t_2, t_0), 2.0f);
float t_4 = floorf(h) * dY_46_v;
float tmp;
if (fmaf(t_2, t_2, (floorf(h) * (dX_46_v * t_0))) >= fmaf(t_1, t_1, (floorf(h) * (dY_46_v * t_4)))) {
tmp = t_0 / sqrtf(fmaxf(t_3, powf(hypotf(t_1, t_4), 2.0f)));
} else {
tmp = t_4 / sqrtf(fmaxf(t_3, powf(hypotf(t_4, t_1), 2.0f)));
}
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 = hypot(t_2, t_0) ^ Float32(2.0) t_4 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (fma(t_2, t_2, Float32(floor(h) * Float32(dX_46_v * t_0))) >= fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_4)))) tmp = Float32(t_0 / sqrt(((t_3 != t_3) ? (hypot(t_1, t_4) ^ Float32(2.0)) : (((hypot(t_1, t_4) ^ Float32(2.0)) != (hypot(t_1, t_4) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_1, t_4) ^ Float32(2.0))))))); else tmp = Float32(t_4 / sqrt(((t_3 != t_3) ? (hypot(t_4, t_1) ^ Float32(2.0)) : (((hypot(t_4, t_1) ^ Float32(2.0)) != (hypot(t_4, t_1) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_4, t_1) ^ Float32(2.0))))))); end return 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 := {\left(\mathsf{hypot}\left(t_2, t_0\right)\right)}^{2}\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
\mathbf{if}\;\mathsf{fma}\left(t_2, t_2, \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t_0\right)\right) \geq \mathsf{fma}\left(t_1, t_1, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t_4\right)\right):\\
\;\;\;\;\frac{t_0}{\sqrt{\mathsf{max}\left(t_3, {\left(\mathsf{hypot}\left(t_1, t_4\right)\right)}^{2}\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{t_4}{\sqrt{\mathsf{max}\left(t_3, {\left(\mathsf{hypot}\left(t_4, t_1\right)\right)}^{2}\right)}}\\
\end{array}
\end{array}
Initial program 77.8%
Simplified77.9%
Applied egg-rr63.0%
expm1-def77.4%
expm1-log1p77.8%
associate-/r/77.7%
associate-*l/77.9%
*-commutative77.9%
*-commutative77.9%
*-commutative77.9%
Simplified77.9%
Applied egg-rr73.9%
expm1-def74.8%
expm1-log1p77.9%
*-commutative77.9%
*-commutative77.9%
Simplified77.9%
un-div-inv78.1%
*-commutative78.1%
*-commutative78.1%
*-commutative78.1%
Applied egg-rr78.1%
Final simplification78.1%
(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 (pow (hypot t_2 t_0) 2.0))
(t_4 (* (floor h) dY.v)))
(if (>=
(fma t_2 t_2 (* (floor h) (* dX.v t_0)))
(fma t_1 t_1 (* (floor h) (* dY.v t_4))))
(/ t_0 (sqrt (fmax t_3 (pow (hypot t_1 t_4) 2.0))))
(* dY.v (/ (floor h) (sqrt (fmax t_3 (pow (hypot t_4 t_1) 2.0))))))))
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 = powf(hypotf(t_2, t_0), 2.0f);
float t_4 = floorf(h) * dY_46_v;
float tmp;
if (fmaf(t_2, t_2, (floorf(h) * (dX_46_v * t_0))) >= fmaf(t_1, t_1, (floorf(h) * (dY_46_v * t_4)))) {
tmp = t_0 / sqrtf(fmaxf(t_3, powf(hypotf(t_1, t_4), 2.0f)));
} else {
tmp = dY_46_v * (floorf(h) / sqrtf(fmaxf(t_3, powf(hypotf(t_4, t_1), 2.0f))));
}
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 = hypot(t_2, t_0) ^ Float32(2.0) t_4 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (fma(t_2, t_2, Float32(floor(h) * Float32(dX_46_v * t_0))) >= fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_4)))) tmp = Float32(t_0 / sqrt(((t_3 != t_3) ? (hypot(t_1, t_4) ^ Float32(2.0)) : (((hypot(t_1, t_4) ^ Float32(2.0)) != (hypot(t_1, t_4) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_1, t_4) ^ Float32(2.0))))))); else tmp = Float32(dY_46_v * Float32(floor(h) / sqrt(((t_3 != t_3) ? (hypot(t_4, t_1) ^ Float32(2.0)) : (((hypot(t_4, t_1) ^ Float32(2.0)) != (hypot(t_4, t_1) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_4, t_1) ^ Float32(2.0)))))))); end return 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 := {\left(\mathsf{hypot}\left(t_2, t_0\right)\right)}^{2}\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
\mathbf{if}\;\mathsf{fma}\left(t_2, t_2, \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t_0\right)\right) \geq \mathsf{fma}\left(t_1, t_1, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t_4\right)\right):\\
\;\;\;\;\frac{t_0}{\sqrt{\mathsf{max}\left(t_3, {\left(\mathsf{hypot}\left(t_1, t_4\right)\right)}^{2}\right)}}\\
\mathbf{else}:\\
\;\;\;\;dY.v \cdot \frac{\left\lfloorh\right\rfloor}{\sqrt{\mathsf{max}\left(t_3, {\left(\mathsf{hypot}\left(t_4, t_1\right)\right)}^{2}\right)}}\\
\end{array}
\end{array}
Initial program 77.8%
Simplified77.9%
Applied egg-rr63.0%
expm1-def77.4%
expm1-log1p77.8%
associate-/r/77.7%
associate-*l/77.9%
*-commutative77.9%
*-commutative77.9%
*-commutative77.9%
Simplified77.9%
Applied egg-rr73.9%
expm1-def74.8%
expm1-log1p77.9%
*-commutative77.9%
*-commutative77.9%
Simplified77.9%
expm1-log1p-u77.9%
expm1-udef65.4%
Applied egg-rr65.6%
expm1-def78.1%
expm1-log1p78.1%
associate-/l*78.0%
associate-/r/77.9%
*-commutative77.9%
Simplified77.9%
Final simplification77.9%
(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 (pow (hypot t_2 t_0) 2.0))
(t_4 (* (floor h) dY.v)))
(if (>=
(fma t_2 t_2 (* (floor h) (* dX.v t_0)))
(fma t_1 t_1 (* (floor h) (* dY.v t_4))))
(/ t_0 (sqrt (fmax t_3 (pow (hypot t_1 t_4) 2.0))))
(/ (floor h) (/ (sqrt (fmax t_3 (pow (hypot t_4 t_1) 2.0))) dY.v)))))
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 = powf(hypotf(t_2, t_0), 2.0f);
float t_4 = floorf(h) * dY_46_v;
float tmp;
if (fmaf(t_2, t_2, (floorf(h) * (dX_46_v * t_0))) >= fmaf(t_1, t_1, (floorf(h) * (dY_46_v * t_4)))) {
tmp = t_0 / sqrtf(fmaxf(t_3, powf(hypotf(t_1, t_4), 2.0f)));
} else {
tmp = floorf(h) / (sqrtf(fmaxf(t_3, powf(hypotf(t_4, t_1), 2.0f))) / dY_46_v);
}
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 = hypot(t_2, t_0) ^ Float32(2.0) t_4 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (fma(t_2, t_2, Float32(floor(h) * Float32(dX_46_v * t_0))) >= fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_4)))) tmp = Float32(t_0 / sqrt(((t_3 != t_3) ? (hypot(t_1, t_4) ^ Float32(2.0)) : (((hypot(t_1, t_4) ^ Float32(2.0)) != (hypot(t_1, t_4) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_1, t_4) ^ Float32(2.0))))))); else tmp = Float32(floor(h) / Float32(sqrt(((t_3 != t_3) ? (hypot(t_4, t_1) ^ Float32(2.0)) : (((hypot(t_4, t_1) ^ Float32(2.0)) != (hypot(t_4, t_1) ^ Float32(2.0))) ? t_3 : max(t_3, (hypot(t_4, t_1) ^ Float32(2.0)))))) / dY_46_v)); end return 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 := {\left(\mathsf{hypot}\left(t_2, t_0\right)\right)}^{2}\\
t_4 := \left\lfloorh\right\rfloor \cdot dY.v\\
\mathbf{if}\;\mathsf{fma}\left(t_2, t_2, \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t_0\right)\right) \geq \mathsf{fma}\left(t_1, t_1, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t_4\right)\right):\\
\;\;\;\;\frac{t_0}{\sqrt{\mathsf{max}\left(t_3, {\left(\mathsf{hypot}\left(t_1, t_4\right)\right)}^{2}\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{\left\lfloorh\right\rfloor}{\frac{\sqrt{\mathsf{max}\left(t_3, {\left(\mathsf{hypot}\left(t_4, t_1\right)\right)}^{2}\right)}}{dY.v}}\\
\end{array}
\end{array}
Initial program 77.8%
Simplified77.9%
Applied egg-rr63.0%
expm1-def77.4%
expm1-log1p77.8%
associate-/r/77.7%
associate-*l/77.9%
*-commutative77.9%
*-commutative77.9%
*-commutative77.9%
Simplified77.9%
Applied egg-rr73.9%
expm1-def74.8%
expm1-log1p77.9%
*-commutative77.9%
*-commutative77.9%
Simplified77.9%
expm1-log1p-u77.9%
expm1-udef65.4%
Applied egg-rr65.6%
expm1-def78.1%
expm1-log1p78.1%
associate-/l*78.0%
*-commutative78.0%
Simplified78.0%
Final simplification78.0%
(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 (* t_1 t_1))
(t_3 (* (floor w) dX.u))
(t_4 (* t_3 t_3))
(t_5 (* (floor h) dY.v))
(t_6 (/ 1.0 (sqrt (fmax (+ t_4 (* t_0 t_0)) (+ t_2 (* t_5 t_5)))))))
(if (>= (+ t_4 (pow t_0 2.0)) (+ t_2 (pow t_5 2.0)))
(* t_0 t_6)
(* t_5 t_6))))
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 = t_1 * t_1;
float t_3 = floorf(w) * dX_46_u;
float t_4 = t_3 * t_3;
float t_5 = floorf(h) * dY_46_v;
float t_6 = 1.0f / sqrtf(fmaxf((t_4 + (t_0 * t_0)), (t_2 + (t_5 * t_5))));
float tmp;
if ((t_4 + powf(t_0, 2.0f)) >= (t_2 + powf(t_5, 2.0f))) {
tmp = t_0 * t_6;
} else {
tmp = t_5 * t_6;
}
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(t_1 * t_1) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(t_3 * t_3) t_5 = Float32(floor(h) * dY_46_v) t_6 = Float32(Float32(1.0) / sqrt(((Float32(t_4 + Float32(t_0 * t_0)) != Float32(t_4 + Float32(t_0 * t_0))) ? Float32(t_2 + Float32(t_5 * t_5)) : ((Float32(t_2 + Float32(t_5 * t_5)) != Float32(t_2 + Float32(t_5 * t_5))) ? Float32(t_4 + Float32(t_0 * t_0)) : max(Float32(t_4 + Float32(t_0 * t_0)), Float32(t_2 + Float32(t_5 * t_5))))))) tmp = Float32(0.0) if (Float32(t_4 + (t_0 ^ Float32(2.0))) >= Float32(t_2 + (t_5 ^ Float32(2.0)))) tmp = Float32(t_0 * t_6); else tmp = Float32(t_5 * t_6); 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 = t_1 * t_1; t_3 = floor(w) * dX_46_u; t_4 = t_3 * t_3; t_5 = floor(h) * dY_46_v; t_6 = single(1.0) / sqrt(max((t_4 + (t_0 * t_0)), (t_2 + (t_5 * t_5)))); tmp = single(0.0); if ((t_4 + (t_0 ^ single(2.0))) >= (t_2 + (t_5 ^ single(2.0)))) tmp = t_0 * t_6; else tmp = t_5 * t_6; 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 := t_1 \cdot t_1\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := t_3 \cdot t_3\\
t_5 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_6 := \frac{1}{\sqrt{\mathsf{max}\left(t_4 + t_0 \cdot t_0, t_2 + t_5 \cdot t_5\right)}}\\
\mathbf{if}\;t_4 + {t_0}^{2} \geq t_2 + {t_5}^{2}:\\
\;\;\;\;t_0 \cdot t_6\\
\mathbf{else}:\\
\;\;\;\;t_5 \cdot t_6\\
\end{array}
\end{array}
Initial program 77.8%
pow277.8%
Applied egg-rr77.8%
Taylor expanded in h around 0 77.8%
*-commutative77.8%
unpow277.8%
unpow277.8%
swap-sqr77.8%
unpow277.8%
Simplified77.8%
Final simplification77.8%
(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 (* t_1 t_1))
(t_3 (* (floor w) dX.u))
(t_4 (* t_3 t_3))
(t_5 (* (floor h) dY.v)))
(if (>= (+ t_4 (pow t_0 2.0)) (+ t_2 (pow t_5 2.0)))
(*
t_0
(/
1.0
(pow (fmax (pow (hypot t_3 t_0) 2.0) (pow (hypot t_5 t_1) 2.0)) 0.5)))
(* t_5 (/ 1.0 (sqrt (fmax (+ t_4 (* t_0 t_0)) (+ t_2 (* t_5 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 = floorf(h) * dX_46_v;
float t_1 = floorf(w) * dY_46_u;
float t_2 = t_1 * t_1;
float t_3 = floorf(w) * dX_46_u;
float t_4 = t_3 * t_3;
float t_5 = floorf(h) * dY_46_v;
float tmp;
if ((t_4 + powf(t_0, 2.0f)) >= (t_2 + powf(t_5, 2.0f))) {
tmp = t_0 * (1.0f / powf(fmaxf(powf(hypotf(t_3, t_0), 2.0f), powf(hypotf(t_5, t_1), 2.0f)), 0.5f));
} else {
tmp = t_5 * (1.0f / sqrtf(fmaxf((t_4 + (t_0 * t_0)), (t_2 + (t_5 * t_5)))));
}
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(t_1 * t_1) t_3 = Float32(floor(w) * dX_46_u) t_4 = Float32(t_3 * t_3) t_5 = Float32(floor(h) * dY_46_v) tmp = Float32(0.0) if (Float32(t_4 + (t_0 ^ Float32(2.0))) >= Float32(t_2 + (t_5 ^ Float32(2.0)))) tmp = Float32(t_0 * Float32(Float32(1.0) / ((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? (hypot(t_5, t_1) ^ Float32(2.0)) : (((hypot(t_5, t_1) ^ Float32(2.0)) != (hypot(t_5, t_1) ^ Float32(2.0))) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), (hypot(t_5, t_1) ^ Float32(2.0))))) ^ Float32(0.5)))); else tmp = Float32(t_5 * Float32(Float32(1.0) / sqrt(((Float32(t_4 + Float32(t_0 * t_0)) != Float32(t_4 + Float32(t_0 * t_0))) ? Float32(t_2 + Float32(t_5 * t_5)) : ((Float32(t_2 + Float32(t_5 * t_5)) != Float32(t_2 + Float32(t_5 * t_5))) ? Float32(t_4 + Float32(t_0 * t_0)) : max(Float32(t_4 + Float32(t_0 * t_0)), Float32(t_2 + Float32(t_5 * 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 = floor(h) * dX_46_v; t_1 = floor(w) * dY_46_u; t_2 = t_1 * t_1; t_3 = floor(w) * dX_46_u; t_4 = t_3 * t_3; t_5 = floor(h) * dY_46_v; tmp = single(0.0); if ((t_4 + (t_0 ^ single(2.0))) >= (t_2 + (t_5 ^ single(2.0)))) tmp = t_0 * (single(1.0) / (max((hypot(t_3, t_0) ^ single(2.0)), (hypot(t_5, t_1) ^ single(2.0))) ^ single(0.5))); else tmp = t_5 * (single(1.0) / sqrt(max((t_4 + (t_0 * t_0)), (t_2 + (t_5 * t_5))))); 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 := t_1 \cdot t_1\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := t_3 \cdot t_3\\
t_5 := \left\lfloorh\right\rfloor \cdot dY.v\\
\mathbf{if}\;t_4 + {t_0}^{2} \geq t_2 + {t_5}^{2}:\\
\;\;\;\;t_0 \cdot \frac{1}{{\left(\mathsf{max}\left({\left(\mathsf{hypot}\left(t_3, t_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t_5, t_1\right)\right)}^{2}\right)\right)}^{0.5}}\\
\mathbf{else}:\\
\;\;\;\;t_5 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t_4 + t_0 \cdot t_0, t_2 + t_5 \cdot t_5\right)}}\\
\end{array}
\end{array}
Initial program 77.8%
pow277.8%
Applied egg-rr77.8%
Taylor expanded in h around 0 77.8%
pow1/277.8%
Applied egg-rr77.8%
Taylor expanded in h around 0 77.8%
*-commutative77.8%
unpow277.8%
unpow277.8%
swap-sqr77.8%
unpow277.8%
Simplified77.8%
Final simplification77.8%
(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 h) dY.v))
(t_3 (* (floor w) dX.u))
(t_4 (pow (hypot t_3 t_0) 2.0))
(t_5
(>=
(fma t_3 t_3 (* (floor h) (* dX.v t_0)))
(fma t_1 t_1 (* (floor h) (* dY.v t_2)))))
(t_6 (/ t_0 (sqrt (fmax (pow t_0 2.0) (pow (hypot t_1 t_2) 2.0))))))
(if (<= dY.u 30000.0)
(if t_5 t_6 (* t_2 (/ 1.0 (sqrt (fmax t_4 (pow t_2 2.0))))))
(if t_5 t_6 (* t_2 (/ 1.0 (sqrt (fmax t_4 (pow t_1 2.0)))))))))
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(h) * dY_46_v;
float t_3 = floorf(w) * dX_46_u;
float t_4 = powf(hypotf(t_3, t_0), 2.0f);
int t_5 = fmaf(t_3, t_3, (floorf(h) * (dX_46_v * t_0))) >= fmaf(t_1, t_1, (floorf(h) * (dY_46_v * t_2)));
float t_6 = t_0 / sqrtf(fmaxf(powf(t_0, 2.0f), powf(hypotf(t_1, t_2), 2.0f)));
float tmp_1;
if (dY_46_u <= 30000.0f) {
float tmp_2;
if (t_5) {
tmp_2 = t_6;
} else {
tmp_2 = t_2 * (1.0f / sqrtf(fmaxf(t_4, powf(t_2, 2.0f))));
}
tmp_1 = tmp_2;
} else if (t_5) {
tmp_1 = t_6;
} else {
tmp_1 = t_2 * (1.0f / sqrtf(fmaxf(t_4, powf(t_1, 2.0f))));
}
return tmp_1;
}
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(h) * dY_46_v) t_3 = Float32(floor(w) * dX_46_u) t_4 = hypot(t_3, t_0) ^ Float32(2.0) t_5 = fma(t_3, t_3, Float32(floor(h) * Float32(dX_46_v * t_0))) >= fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_2))) t_6 = Float32(t_0 / sqrt((((t_0 ^ Float32(2.0)) != (t_0 ^ Float32(2.0))) ? (hypot(t_1, t_2) ^ Float32(2.0)) : (((hypot(t_1, t_2) ^ Float32(2.0)) != (hypot(t_1, t_2) ^ Float32(2.0))) ? (t_0 ^ Float32(2.0)) : max((t_0 ^ Float32(2.0)), (hypot(t_1, t_2) ^ Float32(2.0))))))) tmp_1 = Float32(0.0) if (dY_46_u <= Float32(30000.0)) tmp_2 = Float32(0.0) if (t_5) tmp_2 = t_6; else tmp_2 = Float32(t_2 * Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? (t_2 ^ Float32(2.0)) : (((t_2 ^ Float32(2.0)) != (t_2 ^ Float32(2.0))) ? t_4 : max(t_4, (t_2 ^ Float32(2.0)))))))); end tmp_1 = tmp_2; elseif (t_5) tmp_1 = t_6; else tmp_1 = Float32(t_2 * Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? (t_1 ^ Float32(2.0)) : (((t_1 ^ Float32(2.0)) != (t_1 ^ Float32(2.0))) ? t_4 : max(t_4, (t_1 ^ Float32(2.0)))))))); end return tmp_1 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\lfloorh\right\rfloor \cdot dY.v\\
t_3 := \left\lfloorw\right\rfloor \cdot dX.u\\
t_4 := {\left(\mathsf{hypot}\left(t_3, t_0\right)\right)}^{2}\\
t_5 := \mathsf{fma}\left(t_3, t_3, \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t_0\right)\right) \geq \mathsf{fma}\left(t_1, t_1, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t_2\right)\right)\\
t_6 := \frac{t_0}{\sqrt{\mathsf{max}\left({t_0}^{2}, {\left(\mathsf{hypot}\left(t_1, t_2\right)\right)}^{2}\right)}}\\
\mathbf{if}\;dY.u \leq 30000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;t_5:\\
\;\;\;\;t_6\\
\mathbf{else}:\\
\;\;\;\;t_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t_4, {t_2}^{2}\right)}}\\
\end{array}\\
\mathbf{elif}\;t_5:\\
\;\;\;\;t_6\\
\mathbf{else}:\\
\;\;\;\;t_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t_4, {t_1}^{2}\right)}}\\
\end{array}
\end{array}
if dY.u < 3e4Initial program 79.6%
Simplified79.7%
Applied egg-rr63.4%
expm1-def79.2%
expm1-log1p79.6%
associate-/r/79.5%
associate-*l/79.7%
*-commutative79.7%
*-commutative79.7%
*-commutative79.7%
Simplified79.7%
Applied egg-rr75.8%
expm1-def77.0%
expm1-log1p79.8%
*-commutative79.8%
*-commutative79.8%
Simplified79.8%
Taylor expanded in dX.u around 0 61.1%
unpow261.1%
unpow261.1%
swap-sqr61.2%
unpow261.2%
Simplified61.2%
Taylor expanded in dY.u around 0 49.3%
*-commutative49.3%
unpow249.4%
unpow249.4%
swap-sqr49.4%
unpow249.4%
Simplified49.4%
if 3e4 < dY.u Initial program 69.3%
Simplified69.3%
Applied egg-rr61.3%
expm1-def69.3%
expm1-log1p69.3%
associate-/r/69.2%
associate-*l/69.3%
*-commutative69.3%
*-commutative69.3%
*-commutative69.3%
Simplified69.3%
Applied egg-rr64.7%
expm1-def64.7%
expm1-log1p69.4%
*-commutative69.4%
*-commutative69.4%
Simplified69.4%
Taylor expanded in dX.u around 0 60.6%
unpow260.6%
unpow260.6%
swap-sqr60.6%
unpow260.6%
Simplified60.6%
Taylor expanded in dY.u around inf 48.1%
*-commutative48.1%
unpow248.1%
unpow248.1%
swap-sqr48.1%
unpow248.1%
Simplified48.1%
Final simplification49.2%
(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 (* (floor h) dY.v)))
(if (>=
(fma t_2 t_2 (* (floor h) (* dX.v t_0)))
(fma t_1 t_1 (* (floor h) (* dY.v t_3))))
(/ t_0 (sqrt (fmax (pow t_0 2.0) (pow (hypot t_1 t_3) 2.0))))
(* t_3 (/ 1.0 (sqrt (fmax (pow (hypot t_2 t_0) 2.0) (pow t_3 2.0))))))))
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 = floorf(h) * dY_46_v;
float tmp;
if (fmaf(t_2, t_2, (floorf(h) * (dX_46_v * t_0))) >= fmaf(t_1, t_1, (floorf(h) * (dY_46_v * t_3)))) {
tmp = t_0 / sqrtf(fmaxf(powf(t_0, 2.0f), powf(hypotf(t_1, t_3), 2.0f)));
} else {
tmp = t_3 * (1.0f / sqrtf(fmaxf(powf(hypotf(t_2, t_0), 2.0f), powf(t_3, 2.0f))));
}
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(floor(h) * dY_46_v) tmp = Float32(0.0) if (fma(t_2, t_2, Float32(floor(h) * Float32(dX_46_v * t_0))) >= fma(t_1, t_1, Float32(floor(h) * Float32(dY_46_v * t_3)))) tmp = Float32(t_0 / sqrt((((t_0 ^ Float32(2.0)) != (t_0 ^ Float32(2.0))) ? (hypot(t_1, t_3) ^ Float32(2.0)) : (((hypot(t_1, t_3) ^ Float32(2.0)) != (hypot(t_1, t_3) ^ Float32(2.0))) ? (t_0 ^ Float32(2.0)) : max((t_0 ^ Float32(2.0)), (hypot(t_1, t_3) ^ Float32(2.0))))))); else tmp = Float32(t_3 * Float32(Float32(1.0) / sqrt((((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? (t_3 ^ Float32(2.0)) : (((t_3 ^ Float32(2.0)) != (t_3 ^ Float32(2.0))) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), (t_3 ^ Float32(2.0)))))))); end return 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 := \left\lfloorh\right\rfloor \cdot dY.v\\
\mathbf{if}\;\mathsf{fma}\left(t_2, t_2, \left\lfloorh\right\rfloor \cdot \left(dX.v \cdot t_0\right)\right) \geq \mathsf{fma}\left(t_1, t_1, \left\lfloorh\right\rfloor \cdot \left(dY.v \cdot t_3\right)\right):\\
\;\;\;\;\frac{t_0}{\sqrt{\mathsf{max}\left({t_0}^{2}, {\left(\mathsf{hypot}\left(t_1, t_3\right)\right)}^{2}\right)}}\\
\mathbf{else}:\\
\;\;\;\;t_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t_2, t_0\right)\right)}^{2}, {t_3}^{2}\right)}}\\
\end{array}
\end{array}
Initial program 77.8%
Simplified77.9%
Applied egg-rr63.0%
expm1-def77.4%
expm1-log1p77.8%
associate-/r/77.7%
associate-*l/77.9%
*-commutative77.9%
*-commutative77.9%
*-commutative77.9%
Simplified77.9%
Applied egg-rr73.9%
expm1-def74.8%
expm1-log1p77.9%
*-commutative77.9%
*-commutative77.9%
Simplified77.9%
Taylor expanded in dX.u around 0 61.0%
unpow261.0%
unpow261.0%
swap-sqr61.1%
unpow261.1%
Simplified61.1%
Taylor expanded in dY.u around 0 45.1%
*-commutative45.1%
unpow245.1%
unpow245.1%
swap-sqr45.1%
unpow245.1%
Simplified45.1%
Final simplification45.1%
herbie shell --seed 2023309
(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))))