
(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_2) (* t_6 t_1))))
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_2;
} else {
tmp = t_6 * t_1;
}
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_2); else tmp = Float32(t_6 * t_1); 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_2; else tmp = t_6 * t_1; 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_2\\
\mathbf{else}:\\
\;\;\;\;t_6 \cdot t_1\\
\end{array}
\end{array}
Sampling outcomes in binary32 precision:
Herbie found 5 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_2) (* t_6 t_1))))
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_2;
} else {
tmp = t_6 * t_1;
}
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_2); else tmp = Float32(t_6 * t_1); 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_2; else tmp = t_6 * t_1; 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_2\\
\mathbf{else}:\\
\;\;\;\;t_6 \cdot t_1\\
\end{array}
\end{array}
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* dX.v (floor h)))
(t_1 (* (floor w) dY.u))
(t_2 (* (floor h) dY.v))
(t_3 (* dX.u (floor w))))
(if (>= (+ (pow t_3 2.0) (pow t_0 2.0)) (+ (pow t_1 2.0) (pow t_2 2.0)))
(pow
(/ (sqrt (fmax (pow (hypot t_3 t_0) 2.0) (pow (hypot t_1 t_2) 2.0))) t_3)
-1.0)
(/
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_2)
(* 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 = dX_46_v * floorf(h);
float t_1 = floorf(w) * dY_46_u;
float t_2 = floorf(h) * dY_46_v;
float t_3 = dX_46_u * floorf(w);
float tmp;
if ((powf(t_3, 2.0f) + powf(t_0, 2.0f)) >= (powf(t_1, 2.0f) + powf(t_2, 2.0f))) {
tmp = powf((sqrtf(fmaxf(powf(hypotf(t_3, t_0), 2.0f), powf(hypotf(t_1, t_2), 2.0f))) / t_3), -1.0f);
} else {
tmp = 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_2), (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(dX_46_v * floor(h)) t_1 = Float32(floor(w) * dY_46_u) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(dX_46_u * floor(w)) tmp = Float32(0.0) if (Float32((t_3 ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) >= Float32((t_1 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) tmp = Float32(sqrt((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, 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))) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), (hypot(t_1, t_2) ^ Float32(2.0)))))) / t_3) ^ Float32(-1.0); else tmp = 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_2), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) : ((fma(floor(h), Float32(dY_46_v * t_2), Float32(dY_46_u * Float32(dY_46_u * Float32(floor(w) * floor(w))))) != fma(floor(h), Float32(dY_46_v * t_2), 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_2), 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 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_3 := dX.u \cdot \left\lfloorw\right\rfloor\\
\mathbf{if}\;{t_3}^{2} + {t_0}^{2} \geq {t_1}^{2} + {t_2}^{2}:\\
\;\;\;\;{\left(\frac{\sqrt{\mathsf{max}\left({\left(\mathsf{hypot}\left(t_3, t_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t_1, t_2\right)\right)}^{2}\right)}}{t_3}\right)}^{-1}\\
\mathbf{else}:\\
\;\;\;\;\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_2, 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 74.0%
Simplified73.9%
Applied egg-rr74.1%
Taylor expanded in w around 0 74.1%
fma-udef74.1%
*-commutative74.1%
associate-*r*74.1%
unpow274.1%
swap-sqr74.1%
unpow274.1%
*-commutative74.1%
unpow274.1%
unpow274.1%
swap-sqr74.1%
unpow274.1%
fma-udef74.1%
*-commutative74.1%
unpow274.1%
unpow274.1%
Simplified74.1%
Taylor expanded in dX.u around 0 74.1%
+-commutative74.1%
fma-udef74.1%
unpow274.1%
unpow274.1%
swap-sqr74.1%
unpow274.1%
+-commutative74.1%
*-commutative74.1%
Simplified74.1%
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 (* (floor h) dY.v))
(t_2 (* dX.u (floor w)))
(t_3 (* t_2 t_2))
(t_4 (+ t_3 (* t_0 t_0)))
(t_5 (* (floor w) dY.u))
(t_6 (* t_5 t_5)))
(if (>= (+ t_3 (pow t_0 2.0)) (+ (pow t_1 2.0) t_6))
(* t_2 (/ 1.0 (sqrt (fmax t_4 (+ t_6 (* t_1 t_1))))))
(*
t_5
(/
1.0
(sqrt (fmax t_4 (+ t_6 (* (pow (floor h) 2.0) (pow dY.v 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 = dX_46_v * floorf(h);
float t_1 = floorf(h) * dY_46_v;
float t_2 = dX_46_u * floorf(w);
float t_3 = t_2 * t_2;
float t_4 = t_3 + (t_0 * t_0);
float t_5 = floorf(w) * dY_46_u;
float t_6 = t_5 * t_5;
float tmp;
if ((t_3 + powf(t_0, 2.0f)) >= (powf(t_1, 2.0f) + t_6)) {
tmp = t_2 * (1.0f / sqrtf(fmaxf(t_4, (t_6 + (t_1 * t_1)))));
} else {
tmp = t_5 * (1.0f / sqrtf(fmaxf(t_4, (t_6 + (powf(floorf(h), 2.0f) * powf(dY_46_v, 2.0f))))));
}
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(floor(h) * dY_46_v) t_2 = Float32(dX_46_u * floor(w)) t_3 = Float32(t_2 * t_2) t_4 = Float32(t_3 + Float32(t_0 * t_0)) t_5 = Float32(floor(w) * dY_46_u) t_6 = Float32(t_5 * t_5) tmp = Float32(0.0) if (Float32(t_3 + (t_0 ^ Float32(2.0))) >= Float32((t_1 ^ Float32(2.0)) + t_6)) tmp = Float32(t_2 * Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? Float32(t_6 + Float32(t_1 * t_1)) : ((Float32(t_6 + Float32(t_1 * t_1)) != Float32(t_6 + Float32(t_1 * t_1))) ? t_4 : max(t_4, Float32(t_6 + Float32(t_1 * t_1)))))))); else tmp = Float32(t_5 * Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? Float32(t_6 + Float32((floor(h) ^ Float32(2.0)) * (dY_46_v ^ Float32(2.0)))) : ((Float32(t_6 + Float32((floor(h) ^ Float32(2.0)) * (dY_46_v ^ Float32(2.0)))) != Float32(t_6 + Float32((floor(h) ^ Float32(2.0)) * (dY_46_v ^ Float32(2.0))))) ? t_4 : max(t_4, Float32(t_6 + Float32((floor(h) ^ Float32(2.0)) * (dY_46_v ^ Float32(2.0)))))))))); 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 = floor(h) * dY_46_v; t_2 = dX_46_u * floor(w); t_3 = t_2 * t_2; t_4 = t_3 + (t_0 * t_0); t_5 = floor(w) * dY_46_u; t_6 = t_5 * t_5; tmp = single(0.0); if ((t_3 + (t_0 ^ single(2.0))) >= ((t_1 ^ single(2.0)) + t_6)) tmp = t_2 * (single(1.0) / sqrt(max(t_4, (t_6 + (t_1 * t_1))))); else tmp = t_5 * (single(1.0) / sqrt(max(t_4, (t_6 + ((floor(h) ^ single(2.0)) * (dY_46_v ^ single(2.0))))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := t_2 \cdot t_2\\
t_4 := t_3 + t_0 \cdot t_0\\
t_5 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_6 := t_5 \cdot t_5\\
\mathbf{if}\;t_3 + {t_0}^{2} \geq {t_1}^{2} + t_6:\\
\;\;\;\;t_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t_4, t_6 + t_1 \cdot t_1\right)}}\\
\mathbf{else}:\\
\;\;\;\;t_5 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t_4, t_6 + {\left(\left\lfloorh\right\rfloor\right)}^{2} \cdot {dY.v}^{2}\right)}}\\
\end{array}
\end{array}
Initial program 74.0%
pow274.0%
Applied egg-rr74.0%
Taylor expanded in h around 0 74.0%
*-commutative74.0%
unpow274.0%
unpow274.0%
swap-sqr74.0%
unpow274.0%
Simplified74.0%
Taylor expanded in h around 0 74.0%
*-commutative74.0%
Simplified74.0%
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 (* (floor w) dY.u))
(t_2 (* dX.u (floor w)))
(t_3 (* t_2 t_2))
(t_4 (+ t_3 (* t_0 t_0)))
(t_5 (* (floor h) dY.v))
(t_6 (+ (* t_1 t_1) (* t_5 t_5))))
(if (>= t_4 t_6)
(*
t_2
(/ 1.0 (sqrt (fmax (+ t_3 (* dX.v (* dX.v (pow (floor h) 2.0)))) t_6))))
(* t_1 (/ 1.0 (sqrt (fmax t_4 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 = dX_46_v * floorf(h);
float t_1 = floorf(w) * dY_46_u;
float t_2 = dX_46_u * floorf(w);
float t_3 = t_2 * t_2;
float t_4 = t_3 + (t_0 * t_0);
float t_5 = floorf(h) * dY_46_v;
float t_6 = (t_1 * t_1) + (t_5 * t_5);
float tmp;
if (t_4 >= t_6) {
tmp = t_2 * (1.0f / sqrtf(fmaxf((t_3 + (dX_46_v * (dX_46_v * powf(floorf(h), 2.0f)))), t_6)));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf(t_4, t_6)));
}
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(floor(w) * dY_46_u) t_2 = Float32(dX_46_u * floor(w)) t_3 = Float32(t_2 * t_2) t_4 = Float32(t_3 + Float32(t_0 * t_0)) t_5 = Float32(floor(h) * dY_46_v) t_6 = Float32(Float32(t_1 * t_1) + Float32(t_5 * t_5)) tmp = Float32(0.0) if (t_4 >= t_6) tmp = Float32(t_2 * Float32(Float32(1.0) / sqrt(((Float32(t_3 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) != Float32(t_3 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))))) ? t_6 : ((t_6 != t_6) ? Float32(t_3 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))) : max(Float32(t_3 + Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0))))), t_6)))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((t_4 != t_4) ? t_6 : ((t_6 != t_6) ? t_4 : max(t_4, 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 = dX_46_v * floor(h); t_1 = floor(w) * dY_46_u; t_2 = dX_46_u * floor(w); t_3 = t_2 * t_2; t_4 = t_3 + (t_0 * t_0); t_5 = floor(h) * dY_46_v; t_6 = (t_1 * t_1) + (t_5 * t_5); tmp = single(0.0); if (t_4 >= t_6) tmp = t_2 * (single(1.0) / sqrt(max((t_3 + (dX_46_v * (dX_46_v * (floor(h) ^ single(2.0))))), t_6))); else tmp = t_1 * (single(1.0) / sqrt(max(t_4, t_6))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := t_2 \cdot t_2\\
t_4 := t_3 + t_0 \cdot t_0\\
t_5 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_6 := t_1 \cdot t_1 + t_5 \cdot t_5\\
\mathbf{if}\;t_4 \geq t_6:\\
\;\;\;\;t_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t_3 + dX.v \cdot \left(dX.v \cdot {\left(\left\lfloorh\right\rfloor\right)}^{2}\right), t_6\right)}}\\
\mathbf{else}:\\
\;\;\;\;t_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t_4, t_6\right)}}\\
\end{array}
\end{array}
Initial program 74.0%
add-cbrt-cube55.5%
pow1/355.5%
pow355.5%
pow255.5%
pow-pow55.5%
metadata-eval55.5%
Applied egg-rr55.5%
pow-pow74.0%
metadata-eval74.0%
pow274.0%
swap-sqr74.0%
associate-*r*74.0%
pow274.0%
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 (* (floor h) dY.v))
(t_2 (* dX.u (floor w)))
(t_3 (* t_2 t_2))
(t_4 (* (floor w) dY.u))
(t_5 (* t_4 t_4)))
(if (>= (+ t_3 (pow t_0 2.0)) (+ (pow t_1 2.0) t_5))
(* t_2 (/ 1.0 (sqrt (fmax (+ t_3 (* t_0 t_0)) (+ t_5 (* t_1 t_1))))))
(*
t_4
(/
1.0
(pow
(fmax (pow (hypot t_2 t_0) 2.0) (pow (hypot t_4 t_1) 2.0))
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 = dX_46_v * floorf(h);
float t_1 = floorf(h) * dY_46_v;
float t_2 = dX_46_u * floorf(w);
float t_3 = t_2 * t_2;
float t_4 = floorf(w) * dY_46_u;
float t_5 = t_4 * t_4;
float tmp;
if ((t_3 + powf(t_0, 2.0f)) >= (powf(t_1, 2.0f) + t_5)) {
tmp = t_2 * (1.0f / sqrtf(fmaxf((t_3 + (t_0 * t_0)), (t_5 + (t_1 * t_1)))));
} else {
tmp = t_4 * (1.0f / powf(fmaxf(powf(hypotf(t_2, t_0), 2.0f), powf(hypotf(t_4, t_1), 2.0f)), 0.5f));
}
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(floor(h) * dY_46_v) t_2 = Float32(dX_46_u * floor(w)) t_3 = Float32(t_2 * t_2) t_4 = Float32(floor(w) * dY_46_u) t_5 = Float32(t_4 * t_4) tmp = Float32(0.0) if (Float32(t_3 + (t_0 ^ Float32(2.0))) >= Float32((t_1 ^ Float32(2.0)) + t_5)) tmp = Float32(t_2 * Float32(Float32(1.0) / sqrt(((Float32(t_3 + Float32(t_0 * t_0)) != Float32(t_3 + Float32(t_0 * t_0))) ? Float32(t_5 + Float32(t_1 * t_1)) : ((Float32(t_5 + Float32(t_1 * t_1)) != Float32(t_5 + Float32(t_1 * t_1))) ? Float32(t_3 + Float32(t_0 * t_0)) : max(Float32(t_3 + Float32(t_0 * t_0)), Float32(t_5 + Float32(t_1 * t_1)))))))); else tmp = Float32(t_4 * Float32(Float32(1.0) / ((((hypot(t_2, t_0) ^ Float32(2.0)) != (hypot(t_2, t_0) ^ Float32(2.0))) ? (hypot(t_4, t_1) ^ Float32(2.0)) : (((hypot(t_4, t_1) ^ Float32(2.0)) != (hypot(t_4, t_1) ^ Float32(2.0))) ? (hypot(t_2, t_0) ^ Float32(2.0)) : max((hypot(t_2, t_0) ^ Float32(2.0)), (hypot(t_4, t_1) ^ Float32(2.0))))) ^ Float32(0.5)))); 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 = floor(h) * dY_46_v; t_2 = dX_46_u * floor(w); t_3 = t_2 * t_2; t_4 = floor(w) * dY_46_u; t_5 = t_4 * t_4; tmp = single(0.0); if ((t_3 + (t_0 ^ single(2.0))) >= ((t_1 ^ single(2.0)) + t_5)) tmp = t_2 * (single(1.0) / sqrt(max((t_3 + (t_0 * t_0)), (t_5 + (t_1 * t_1))))); else tmp = t_4 * (single(1.0) / (max((hypot(t_2, t_0) ^ single(2.0)), (hypot(t_4, t_1) ^ single(2.0))) ^ single(0.5))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_3 := t_2 \cdot t_2\\
t_4 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_5 := t_4 \cdot t_4\\
\mathbf{if}\;t_3 + {t_0}^{2} \geq {t_1}^{2} + t_5:\\
\;\;\;\;t_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t_3 + t_0 \cdot t_0, t_5 + t_1 \cdot t_1\right)}}\\
\mathbf{else}:\\
\;\;\;\;t_4 \cdot \frac{1}{{\left(\mathsf{max}\left({\left(\mathsf{hypot}\left(t_2, t_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t_4, t_1\right)\right)}^{2}\right)\right)}^{0.5}}\\
\end{array}
\end{array}
Initial program 74.0%
pow274.0%
Applied egg-rr74.0%
Taylor expanded in h around 0 74.0%
*-commutative74.0%
unpow274.0%
unpow274.0%
swap-sqr74.0%
unpow274.0%
Simplified74.0%
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 (* (floor h) dY.v))
(t_2 (* (floor w) dY.u))
(t_3 (* dX.u (floor w)))
(t_4
(/
1.0
(pow
(fmax (pow (hypot t_3 t_0) 2.0) (pow (hypot t_2 t_1) 2.0))
0.5))))
(if (>= (+ (* t_3 t_3) (pow t_0 2.0)) (+ (pow t_1 2.0) (* t_2 t_2)))
(* t_3 t_4)
(* t_2 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 = floorf(h) * dY_46_v;
float t_2 = floorf(w) * dY_46_u;
float t_3 = dX_46_u * floorf(w);
float t_4 = 1.0f / powf(fmaxf(powf(hypotf(t_3, t_0), 2.0f), powf(hypotf(t_2, t_1), 2.0f)), 0.5f);
float tmp;
if (((t_3 * t_3) + powf(t_0, 2.0f)) >= (powf(t_1, 2.0f) + (t_2 * t_2))) {
tmp = t_3 * t_4;
} else {
tmp = t_2 * 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(floor(h) * dY_46_v) t_2 = Float32(floor(w) * dY_46_u) t_3 = Float32(dX_46_u * floor(w)) t_4 = Float32(Float32(1.0) / ((((hypot(t_3, t_0) ^ Float32(2.0)) != (hypot(t_3, t_0) ^ Float32(2.0))) ? (hypot(t_2, t_1) ^ Float32(2.0)) : (((hypot(t_2, t_1) ^ Float32(2.0)) != (hypot(t_2, t_1) ^ Float32(2.0))) ? (hypot(t_3, t_0) ^ Float32(2.0)) : max((hypot(t_3, t_0) ^ Float32(2.0)), (hypot(t_2, t_1) ^ Float32(2.0))))) ^ Float32(0.5))) tmp = Float32(0.0) if (Float32(Float32(t_3 * t_3) + (t_0 ^ Float32(2.0))) >= Float32((t_1 ^ Float32(2.0)) + Float32(t_2 * t_2))) tmp = Float32(t_3 * t_4); else tmp = Float32(t_2 * 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 = floor(h) * dY_46_v; t_2 = floor(w) * dY_46_u; t_3 = dX_46_u * floor(w); t_4 = single(1.0) / (max((hypot(t_3, t_0) ^ single(2.0)), (hypot(t_2, t_1) ^ single(2.0))) ^ single(0.5)); tmp = single(0.0); if (((t_3 * t_3) + (t_0 ^ single(2.0))) >= ((t_1 ^ single(2.0)) + (t_2 * t_2))) tmp = t_3 * t_4; else tmp = t_2 * t_4; end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := dX.v \cdot \left\lfloorh\right\rfloor\\
t_1 := \left\lfloorh\right\rfloor \cdot dY.v\\
t_2 := \left\lfloorw\right\rfloor \cdot dY.u\\
t_3 := dX.u \cdot \left\lfloorw\right\rfloor\\
t_4 := \frac{1}{{\left(\mathsf{max}\left({\left(\mathsf{hypot}\left(t_3, t_0\right)\right)}^{2}, {\left(\mathsf{hypot}\left(t_2, t_1\right)\right)}^{2}\right)\right)}^{0.5}}\\
\mathbf{if}\;t_3 \cdot t_3 + {t_0}^{2} \geq {t_1}^{2} + t_2 \cdot t_2:\\
\;\;\;\;t_3 \cdot t_4\\
\mathbf{else}:\\
\;\;\;\;t_2 \cdot t_4\\
\end{array}
\end{array}
Initial program 74.0%
pow274.0%
Applied egg-rr74.0%
Taylor expanded in h around 0 74.0%
*-commutative74.0%
unpow274.0%
unpow274.0%
swap-sqr74.0%
unpow274.0%
Simplified74.0%
Applied egg-rr74.0%
Applied egg-rr74.0%
Final simplification74.0%
herbie shell --seed 2024024
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:name "Anisotropic x16 LOD (line direction, u)"
: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 w) dX.u)) (* (/ 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 w) dY.u))))