
(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\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\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\lfloor h\right\rfloor \cdot dX.v\\
t_1 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_2 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_3 := t\_2 \cdot t\_2 + t\_0 \cdot t\_0\\
t_4 := \left\lfloor h\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 (+ (pow (* (floor w) dX.u) 2.0) (pow t_0 2.0)))
(t_2 (* (floor h) dY.v))
(t_3 (+ (pow (* (floor w) dY.u) 2.0) (pow t_2 2.0)))
(t_4 (sqrt (fmax t_1 t_3))))
(if (>= t_1 t_3) (/ t_0 t_4) (/ 1.0 (/ t_4 t_2)))))
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 = powf((floorf(w) * dX_46_u), 2.0f) + powf(t_0, 2.0f);
float t_2 = floorf(h) * dY_46_v;
float t_3 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_2, 2.0f);
float t_4 = sqrtf(fmaxf(t_1, t_3));
float tmp;
if (t_1 >= t_3) {
tmp = t_0 / t_4;
} else {
tmp = 1.0f / (t_4 / t_2);
}
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((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) t_4 = sqrt(((t_1 != t_1) ? t_3 : ((t_3 != t_3) ? t_1 : max(t_1, t_3)))) tmp = Float32(0.0) if (t_1 >= t_3) tmp = Float32(t_0 / t_4); else tmp = Float32(Float32(1.0) / Float32(t_4 / t_2)); 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) * dX_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_2 = floor(h) * dY_46_v; t_3 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_2 ^ single(2.0)); t_4 = sqrt(max(t_1, t_3)); tmp = single(0.0); if (t_1 >= t_3) tmp = t_0 / t_4; else tmp = single(1.0) / (t_4 / t_2); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {t\_0}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_2}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_1, t\_3\right)}\\
\mathbf{if}\;t\_1 \geq t\_3:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;\frac{1}{\frac{t\_4}{t\_2}}\\
\end{array}
\end{array}
Initial program 78.2%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.4%
Final simplification78.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dX.v))
(t_2 (* (floor h) dY.v))
(t_3 (+ (* t_0 t_0) (* t_2 t_2)))
(t_4 (* (floor w) dX.u))
(t_5 (* t_4 t_4))
(t_6 (+ t_5 (* t_1 t_1)))
(t_7 (/ 1.0 (sqrt (fmax t_6 t_3))))
(t_8 (* t_2 t_7))
(t_9 (* t_1 t_7)))
(if (<= (if (>= t_6 t_3) t_9 t_8) 0.00039999998989515007)
(if (>= (pow t_4 2.0) (+ (pow t_0 2.0) (pow t_2 2.0)))
t_9
(* t_2 (/ 1.0 (sqrt (fmax (+ t_5 (exp (* 2.0 (log t_1)))) t_3)))))
(if (>= (* dX.v (* dX.v (pow (floor h) 2.0))) t_3) t_9 t_8))))
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(w) * dY_46_u;
float t_1 = floorf(h) * dX_46_v;
float t_2 = floorf(h) * dY_46_v;
float t_3 = (t_0 * t_0) + (t_2 * t_2);
float t_4 = floorf(w) * dX_46_u;
float t_5 = t_4 * t_4;
float t_6 = t_5 + (t_1 * t_1);
float t_7 = 1.0f / sqrtf(fmaxf(t_6, t_3));
float t_8 = t_2 * t_7;
float t_9 = t_1 * t_7;
float tmp;
if (t_6 >= t_3) {
tmp = t_9;
} else {
tmp = t_8;
}
float tmp_2;
if (tmp <= 0.00039999998989515007f) {
float tmp_3;
if (powf(t_4, 2.0f) >= (powf(t_0, 2.0f) + powf(t_2, 2.0f))) {
tmp_3 = t_9;
} else {
tmp_3 = t_2 * (1.0f / sqrtf(fmaxf((t_5 + expf((2.0f * logf(t_1)))), t_3)));
}
tmp_2 = tmp_3;
} else if ((dX_46_v * (dX_46_v * powf(floorf(h), 2.0f))) >= t_3) {
tmp_2 = t_9;
} else {
tmp_2 = t_8;
}
return tmp_2;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dX_46_v) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(Float32(t_0 * t_0) + Float32(t_2 * t_2)) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(t_4 * t_4) t_6 = Float32(t_5 + Float32(t_1 * t_1)) t_7 = Float32(Float32(1.0) / sqrt(((t_6 != t_6) ? t_3 : ((t_3 != t_3) ? t_6 : max(t_6, t_3))))) t_8 = Float32(t_2 * t_7) t_9 = Float32(t_1 * t_7) tmp = Float32(0.0) if (t_6 >= t_3) tmp = t_9; else tmp = t_8; end tmp_2 = Float32(0.0) if (tmp <= Float32(0.00039999998989515007)) tmp_3 = Float32(0.0) if ((t_4 ^ Float32(2.0)) >= Float32((t_0 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) tmp_3 = t_9; else tmp_3 = Float32(t_2 * Float32(Float32(1.0) / sqrt(((Float32(t_5 + exp(Float32(Float32(2.0) * log(t_1)))) != Float32(t_5 + exp(Float32(Float32(2.0) * log(t_1))))) ? t_3 : ((t_3 != t_3) ? Float32(t_5 + exp(Float32(Float32(2.0) * log(t_1)))) : max(Float32(t_5 + exp(Float32(Float32(2.0) * log(t_1)))), t_3)))))); end tmp_2 = tmp_3; elseif (Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) >= t_3) tmp_2 = t_9; else tmp_2 = t_8; end return tmp_2 end
function tmp_5 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dX_46_v; t_2 = floor(h) * dY_46_v; t_3 = (t_0 * t_0) + (t_2 * t_2); t_4 = floor(w) * dX_46_u; t_5 = t_4 * t_4; t_6 = t_5 + (t_1 * t_1); t_7 = single(1.0) / sqrt(max(t_6, t_3)); t_8 = t_2 * t_7; t_9 = t_1 * t_7; tmp = single(0.0); if (t_6 >= t_3) tmp = t_9; else tmp = t_8; end tmp_3 = single(0.0); if (tmp <= single(0.00039999998989515007)) tmp_4 = single(0.0); if ((t_4 ^ single(2.0)) >= ((t_0 ^ single(2.0)) + (t_2 ^ single(2.0)))) tmp_4 = t_9; else tmp_4 = t_2 * (single(1.0) / sqrt(max((t_5 + exp((single(2.0) * log(t_1)))), t_3))); end tmp_3 = tmp_4; elseif ((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))) >= t_3) tmp_3 = t_9; else tmp_3 = t_8; end tmp_5 = tmp_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 dX.v\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := t\_0 \cdot t\_0 + t\_2 \cdot t\_2\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4\\
t_6 := t\_5 + t\_1 \cdot t\_1\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_3\right)}}\\
t_8 := t\_2 \cdot t\_7\\
t_9 := t\_1 \cdot t\_7\\
\mathbf{if}\;\begin{array}{l}
\mathbf{if}\;t\_6 \geq t\_3:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array} \leq 0.00039999998989515007:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;{t\_4}^{2} \geq {t\_0}^{2} + {t\_2}^{2}:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5 + e^{2 \cdot \log t\_1}, t\_3\right)}}\\
\end{array}\\
\mathbf{elif}\;dX.v \cdot \left(dX.v \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2}\right) \geq t\_3:\\
\;\;\;\;t\_9\\
\mathbf{else}:\\
\;\;\;\;t\_8\\
\end{array}
\end{array}
if (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) < 3.9999999e-4Initial program 72.6%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3266.9
Applied rewrites66.9%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-pow.f3266.9
Applied rewrites66.9%
lift-floor.f32N/A
lift-pow.f32N/A
associate-*r*N/A
pow2N/A
lift-pow.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
pow2N/A
sqr-powN/A
pow2N/A
lift-*.f32N/A
Applied rewrites66.9%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
pow-to-expN/A
lower-exp.f32N/A
*-commutativeN/A
unpow1N/A
pow-to-expN/A
rem-log-expN/A
lower-*.f32N/A
rem-log-expN/A
pow-to-expN/A
unpow1N/A
lower-log.f3270.3
Applied rewrites70.3%
if 3.9999999e-4 < (if (>=.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dX.v)) (*.f32 (/.f32 #s(literal 1 binary32) (sqrt.f32 (fmax.f32 (+.f32 (*.f32 (*.f32 (floor.f32 w) dX.u) (*.f32 (floor.f32 w) dX.u)) (*.f32 (*.f32 (floor.f32 h) dX.v) (*.f32 (floor.f32 h) dX.v))) (+.f32 (*.f32 (*.f32 (floor.f32 w) dY.u) (*.f32 (floor.f32 w) dY.u)) (*.f32 (*.f32 (floor.f32 h) dY.v) (*.f32 (floor.f32 h) dY.v)))))) (*.f32 (floor.f32 h) dY.v))) Initial program 99.3%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3299.3
Applied rewrites99.3%
Final simplification76.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0)))
(t_1 (* (floor h) dY.v))
(t_2 (+ (pow (* (floor w) dY.u) 2.0) (pow t_1 2.0)))
(t_3 (sqrt (fmax t_0 t_2))))
(if (>= t_0 t_2) (/ (floor h) (/ t_3 dX.v)) (* t_1 (/ 1.0 t_3)))))
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 = powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f);
float t_1 = floorf(h) * dY_46_v;
float t_2 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_1, 2.0f);
float t_3 = sqrtf(fmaxf(t_0, t_2));
float tmp;
if (t_0 >= t_2) {
tmp = floorf(h) / (t_3 / dX_46_v);
} else {
tmp = t_1 * (1.0f / t_3);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) t_3 = sqrt(((t_0 != t_0) ? t_2 : ((t_2 != t_2) ? t_0 : max(t_0, t_2)))) tmp = Float32(0.0) if (t_0 >= t_2) tmp = Float32(floor(h) / Float32(t_3 / dX_46_v)); else tmp = Float32(t_1 * Float32(Float32(1.0) / t_3)); 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(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0)); t_1 = floor(h) * dY_46_v; t_2 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_1 ^ single(2.0)); t_3 = sqrt(max(t_0, t_2)); tmp = single(0.0); if (t_0 >= t_2) tmp = floor(h) / (t_3 / dX_46_v); else tmp = t_1 * (single(1.0) / t_3); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_1}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_0, t\_2\right)}\\
\mathbf{if}\;t\_0 \geq t\_2:\\
\;\;\;\;\frac{\left\lfloor h\right\rfloor }{\frac{t\_3}{dX.v}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{t\_3}\\
\end{array}
\end{array}
Initial program 78.2%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.3%
Final simplification78.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (+ (pow (* (floor w) dX.u) 2.0) (pow t_0 2.0)))
(t_2 (* (floor h) dY.v))
(t_3 (+ (pow (* (floor w) dY.u) 2.0) (pow t_2 2.0)))
(t_4 (sqrt (fmax t_1 t_3))))
(if (>= t_1 t_3) (/ t_0 t_4) (* t_2 (/ 1.0 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 = powf((floorf(w) * dX_46_u), 2.0f) + powf(t_0, 2.0f);
float t_2 = floorf(h) * dY_46_v;
float t_3 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_2, 2.0f);
float t_4 = sqrtf(fmaxf(t_1, t_3));
float tmp;
if (t_1 >= t_3) {
tmp = t_0 / t_4;
} else {
tmp = t_2 * (1.0f / 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((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_2 ^ Float32(2.0))) t_4 = sqrt(((t_1 != t_1) ? t_3 : ((t_3 != t_3) ? t_1 : max(t_1, t_3)))) tmp = Float32(0.0) if (t_1 >= t_3) tmp = Float32(t_0 / t_4); else tmp = Float32(t_2 * Float32(Float32(1.0) / 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) * dX_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_2 = floor(h) * dY_46_v; t_3 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_2 ^ single(2.0)); t_4 = sqrt(max(t_1, t_3)); tmp = single(0.0); if (t_1 >= t_3) tmp = t_0 / t_4; else tmp = t_2 * (single(1.0) / t_4); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {t\_0}^{2}\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_2}^{2}\\
t_4 := \sqrt{\mathsf{max}\left(t\_1, t\_3\right)}\\
\mathbf{if}\;t\_1 \geq t\_3:\\
\;\;\;\;\frac{t\_0}{t\_4}\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \frac{1}{t\_4}\\
\end{array}
\end{array}
Initial program 78.2%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.3%
Final simplification78.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (+ (pow (* (floor w) dX.u) 2.0) (pow (* (floor h) dX.v) 2.0)))
(t_1 (* (floor h) dY.v))
(t_2 (+ (pow (* (floor w) dY.u) 2.0) (pow t_1 2.0)))
(t_3 (sqrt (fmax t_0 t_2))))
(if (>= t_0 t_2) (* (floor h) (/ dX.v t_3)) (* t_1 (/ 1.0 t_3)))))
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 = powf((floorf(w) * dX_46_u), 2.0f) + powf((floorf(h) * dX_46_v), 2.0f);
float t_1 = floorf(h) * dY_46_v;
float t_2 = powf((floorf(w) * dY_46_u), 2.0f) + powf(t_1, 2.0f);
float t_3 = sqrtf(fmaxf(t_0, t_2));
float tmp;
if (t_0 >= t_2) {
tmp = floorf(h) * (dX_46_v / t_3);
} else {
tmp = t_1 * (1.0f / t_3);
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dX_46_v) ^ Float32(2.0))) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (t_1 ^ Float32(2.0))) t_3 = sqrt(((t_0 != t_0) ? t_2 : ((t_2 != t_2) ? t_0 : max(t_0, t_2)))) tmp = Float32(0.0) if (t_0 >= t_2) tmp = Float32(floor(h) * Float32(dX_46_v / t_3)); else tmp = Float32(t_1 * Float32(Float32(1.0) / t_3)); 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(w) * dX_46_u) ^ single(2.0)) + ((floor(h) * dX_46_v) ^ single(2.0)); t_1 = floor(h) * dY_46_v; t_2 = ((floor(w) * dY_46_u) ^ single(2.0)) + (t_1 ^ single(2.0)); t_3 = sqrt(max(t_0, t_2)); tmp = single(0.0); if (t_0 >= t_2) tmp = floor(h) * (dX_46_v / t_3); else tmp = t_1 * (single(1.0) / t_3); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dX.v\right)}^{2}\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {t\_1}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_0, t\_2\right)}\\
\mathbf{if}\;t\_0 \geq t\_2:\\
\;\;\;\;\left\lfloor h\right\rfloor \cdot \frac{dX.v}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{t\_3}\\
\end{array}
\end{array}
Initial program 78.2%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.3%
Final simplification78.3%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor h) dX.v))
(t_1 (+ (pow (* (floor w) dY.u) 2.0) (pow (* (floor h) dY.v) 2.0)))
(t_2 (+ (pow (* (floor w) dX.u) 2.0) (pow t_0 2.0)))
(t_3 (sqrt (fmax t_2 t_1))))
(if (>= t_2 t_1) (/ t_0 t_3) (* (floor h) (/ dY.v t_3)))))
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 = powf((floorf(w) * dY_46_u), 2.0f) + powf((floorf(h) * dY_46_v), 2.0f);
float t_2 = powf((floorf(w) * dX_46_u), 2.0f) + powf(t_0, 2.0f);
float t_3 = sqrtf(fmaxf(t_2, t_1));
float tmp;
if (t_2 >= t_1) {
tmp = t_0 / t_3;
} else {
tmp = floorf(h) * (dY_46_v / t_3);
}
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((Float32(floor(w) * dY_46_u) ^ Float32(2.0)) + (Float32(floor(h) * dY_46_v) ^ Float32(2.0))) t_2 = Float32((Float32(floor(w) * dX_46_u) ^ Float32(2.0)) + (t_0 ^ Float32(2.0))) t_3 = sqrt(((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 = Float32(t_0 / t_3); else tmp = Float32(floor(h) * Float32(dY_46_v / t_3)); 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) ^ single(2.0)) + ((floor(h) * dY_46_v) ^ single(2.0)); t_2 = ((floor(w) * dX_46_u) ^ single(2.0)) + (t_0 ^ single(2.0)); t_3 = sqrt(max(t_2, t_1)); tmp = single(0.0); if (t_2 >= t_1) tmp = t_0 / t_3; else tmp = floor(h) * (dY_46_v / t_3); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_1 := {\left(\left\lfloor w\right\rfloor \cdot dY.u\right)}^{2} + {\left(\left\lfloor h\right\rfloor \cdot dY.v\right)}^{2}\\
t_2 := {\left(\left\lfloor w\right\rfloor \cdot dX.u\right)}^{2} + {t\_0}^{2}\\
t_3 := \sqrt{\mathsf{max}\left(t\_2, t\_1\right)}\\
\mathbf{if}\;t\_2 \geq t\_1:\\
\;\;\;\;\frac{t\_0}{t\_3}\\
\mathbf{else}:\\
\;\;\;\;\left\lfloor h\right\rfloor \cdot \frac{dY.v}{t\_3}\\
\end{array}
\end{array}
Initial program 78.2%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.3%
Applied rewrites78.4%
Final simplification78.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (* (floor h) dX.v))
(t_3 (* t_0 t_0))
(t_4 (+ t_3 (* t_1 t_1)))
(t_5 (* (floor w) dX.u))
(t_6 (+ (* t_5 t_5) (* t_2 t_2)))
(t_7 (/ 1.0 (sqrt (fmax t_6 t_4))))
(t_8 (* t_2 t_7)))
(if (<= dX.u 1000000.0)
(if (>= (* dX.v (* dX.v (pow (floor h) 2.0))) t_4) t_8 (* t_1 t_7))
(if (>= (pow t_5 2.0) (+ (pow t_0 2.0) (pow t_1 2.0)))
t_8
(* t_1 (/ 1.0 (sqrt (fmax t_6 (+ t_3 (* (floor h) (* dY.v 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(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = floorf(h) * dX_46_v;
float t_3 = t_0 * t_0;
float t_4 = t_3 + (t_1 * t_1);
float t_5 = floorf(w) * dX_46_u;
float t_6 = (t_5 * t_5) + (t_2 * t_2);
float t_7 = 1.0f / sqrtf(fmaxf(t_6, t_4));
float t_8 = t_2 * t_7;
float tmp_1;
if (dX_46_u <= 1000000.0f) {
float tmp_2;
if ((dX_46_v * (dX_46_v * powf(floorf(h), 2.0f))) >= t_4) {
tmp_2 = t_8;
} else {
tmp_2 = t_1 * t_7;
}
tmp_1 = tmp_2;
} else if (powf(t_5, 2.0f) >= (powf(t_0, 2.0f) + powf(t_1, 2.0f))) {
tmp_1 = t_8;
} else {
tmp_1 = t_1 * (1.0f / sqrtf(fmaxf(t_6, (t_3 + (floorf(h) * (dY_46_v * t_1))))));
}
return tmp_1;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) 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(t_0 * t_0) t_4 = Float32(t_3 + Float32(t_1 * t_1)) t_5 = Float32(floor(w) * dX_46_u) t_6 = Float32(Float32(t_5 * t_5) + Float32(t_2 * t_2)) t_7 = Float32(Float32(1.0) / sqrt(((t_6 != t_6) ? t_4 : ((t_4 != t_4) ? t_6 : max(t_6, t_4))))) t_8 = Float32(t_2 * t_7) tmp_1 = Float32(0.0) if (dX_46_u <= Float32(1000000.0)) tmp_2 = Float32(0.0) if (Float32(dX_46_v * Float32(dX_46_v * (floor(h) ^ Float32(2.0)))) >= t_4) tmp_2 = t_8; else tmp_2 = Float32(t_1 * t_7); end tmp_1 = tmp_2; elseif ((t_5 ^ Float32(2.0)) >= Float32((t_0 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) tmp_1 = t_8; else tmp_1 = Float32(t_1 * Float32(Float32(1.0) / sqrt(((t_6 != t_6) ? Float32(t_3 + Float32(floor(h) * Float32(dY_46_v * t_1))) : ((Float32(t_3 + Float32(floor(h) * Float32(dY_46_v * t_1))) != Float32(t_3 + Float32(floor(h) * Float32(dY_46_v * t_1)))) ? t_6 : max(t_6, Float32(t_3 + Float32(floor(h) * Float32(dY_46_v * t_1))))))))); end return tmp_1 end
function tmp_4 = code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = floor(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = floor(h) * dX_46_v; t_3 = t_0 * t_0; t_4 = t_3 + (t_1 * t_1); t_5 = floor(w) * dX_46_u; t_6 = (t_5 * t_5) + (t_2 * t_2); t_7 = single(1.0) / sqrt(max(t_6, t_4)); t_8 = t_2 * t_7; tmp_2 = single(0.0); if (dX_46_u <= single(1000000.0)) tmp_3 = single(0.0); if ((dX_46_v * (dX_46_v * (floor(h) ^ single(2.0)))) >= t_4) tmp_3 = t_8; else tmp_3 = t_1 * t_7; end tmp_2 = tmp_3; elseif ((t_5 ^ single(2.0)) >= ((t_0 ^ single(2.0)) + (t_1 ^ single(2.0)))) tmp_2 = t_8; else tmp_2 = t_1 * (single(1.0) / sqrt(max(t_6, (t_3 + (floor(h) * (dY_46_v * t_1)))))); end tmp_4 = tmp_2; 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 := t\_0 \cdot t\_0\\
t_4 := t\_3 + t\_1 \cdot t\_1\\
t_5 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_6 := t\_5 \cdot t\_5 + t\_2 \cdot t\_2\\
t_7 := \frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_4\right)}}\\
t_8 := t\_2 \cdot t\_7\\
\mathbf{if}\;dX.u \leq 1000000:\\
\;\;\;\;\begin{array}{l}
\mathbf{if}\;dX.v \cdot \left(dX.v \cdot {\left(\left\lfloor h\right\rfloor \right)}^{2}\right) \geq t\_4:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot t\_7\\
\end{array}\\
\mathbf{elif}\;{t\_5}^{2} \geq {t\_0}^{2} + {t\_1}^{2}:\\
\;\;\;\;t\_8\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_6, t\_3 + \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_1\right)\right)}}\\
\end{array}
\end{array}
if dX.u < 1e6Initial program 79.3%
Taylor expanded in dX.u around 0
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3271.9
Applied rewrites71.9%
if 1e6 < dX.u Initial program 73.2%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3271.4
Applied rewrites71.4%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-pow.f3271.4
Applied rewrites71.4%
lift-floor.f32N/A
lift-pow.f32N/A
associate-*r*N/A
pow2N/A
lift-pow.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
pow2N/A
sqr-powN/A
pow2N/A
lift-*.f32N/A
Applied rewrites71.4%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
pow2N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f3271.5
Applied rewrites71.5%
Final simplification71.8%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* t_0 t_0))
(t_2 (* (floor h) dY.v))
(t_3 (* (floor h) dX.v))
(t_4 (* (floor w) dX.u))
(t_5 (+ (* t_4 t_4) (* t_3 t_3))))
(if (>= (pow t_4 2.0) (+ (pow t_0 2.0) (pow t_2 2.0)))
(* t_3 (/ 1.0 (sqrt (fmax t_5 (+ t_1 (* t_2 t_2))))))
(* t_2 (/ 1.0 (sqrt (fmax t_5 (+ t_1 (* (floor h) (* dY.v t_2))))))))))
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(w) * dY_46_u;
float t_1 = t_0 * t_0;
float t_2 = floorf(h) * dY_46_v;
float t_3 = floorf(h) * dX_46_v;
float t_4 = floorf(w) * dX_46_u;
float t_5 = (t_4 * t_4) + (t_3 * t_3);
float tmp;
if (powf(t_4, 2.0f) >= (powf(t_0, 2.0f) + powf(t_2, 2.0f))) {
tmp = t_3 * (1.0f / sqrtf(fmaxf(t_5, (t_1 + (t_2 * t_2)))));
} else {
tmp = t_2 * (1.0f / sqrtf(fmaxf(t_5, (t_1 + (floorf(h) * (dY_46_v * t_2))))));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(t_0 * t_0) t_2 = Float32(floor(h) * dY_46_v) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(Float32(t_4 * t_4) + Float32(t_3 * t_3)) tmp = Float32(0.0) if ((t_4 ^ Float32(2.0)) >= Float32((t_0 ^ Float32(2.0)) + (t_2 ^ Float32(2.0)))) tmp = Float32(t_3 * Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_1 + Float32(t_2 * t_2)) : ((Float32(t_1 + Float32(t_2 * t_2)) != Float32(t_1 + Float32(t_2 * t_2))) ? t_5 : max(t_5, Float32(t_1 + Float32(t_2 * t_2)))))))); else tmp = Float32(t_2 * Float32(Float32(1.0) / sqrt(((t_5 != t_5) ? Float32(t_1 + Float32(floor(h) * Float32(dY_46_v * t_2))) : ((Float32(t_1 + Float32(floor(h) * Float32(dY_46_v * t_2))) != Float32(t_1 + Float32(floor(h) * Float32(dY_46_v * t_2)))) ? t_5 : max(t_5, Float32(t_1 + Float32(floor(h) * Float32(dY_46_v * t_2))))))))); 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(w) * dY_46_u; t_1 = t_0 * t_0; t_2 = floor(h) * dY_46_v; t_3 = floor(h) * dX_46_v; t_4 = floor(w) * dX_46_u; t_5 = (t_4 * t_4) + (t_3 * t_3); tmp = single(0.0); if ((t_4 ^ single(2.0)) >= ((t_0 ^ single(2.0)) + (t_2 ^ single(2.0)))) tmp = t_3 * (single(1.0) / sqrt(max(t_5, (t_1 + (t_2 * t_2))))); else tmp = t_2 * (single(1.0) / sqrt(max(t_5, (t_1 + (floor(h) * (dY_46_v * t_2)))))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := t\_0 \cdot t\_0\\
t_2 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4 + t\_3 \cdot t\_3\\
\mathbf{if}\;{t\_4}^{2} \geq {t\_0}^{2} + {t\_2}^{2}:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_1 + t\_2 \cdot t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_2 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5, t\_1 + \left\lfloor h\right\rfloor \cdot \left(dY.v \cdot t\_2\right)\right)}}\\
\end{array}
\end{array}
Initial program 78.2%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-pow.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-pow.f32N/A
associate-*r*N/A
pow2N/A
lift-pow.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
pow2N/A
sqr-powN/A
pow2N/A
lift-*.f32N/A
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
pow2N/A
lift-*.f32N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
lower-*.f3267.4
Applied rewrites67.4%
Final simplification67.4%
(FPCore (w h dX.u dX.v dY.u dY.v maxAniso)
:precision binary32
(let* ((t_0 (* (floor w) dY.u))
(t_1 (* (floor h) dY.v))
(t_2 (+ (* t_0 t_0) (* t_1 t_1)))
(t_3 (* (floor h) dX.v))
(t_4 (* (floor w) dX.u))
(t_5 (* t_4 t_4)))
(if (>= (pow t_4 2.0) (+ (pow t_0 2.0) (pow t_1 2.0)))
(* t_3 (/ 1.0 (sqrt (fmax (+ t_5 (* t_3 t_3)) t_2))))
(*
t_1
(/
1.0
(sqrt (fmax (+ t_5 (* (floor h) (* (floor h) (* dX.v dX.v)))) t_2)))))))
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(w) * dY_46_u;
float t_1 = floorf(h) * dY_46_v;
float t_2 = (t_0 * t_0) + (t_1 * t_1);
float t_3 = floorf(h) * dX_46_v;
float t_4 = floorf(w) * dX_46_u;
float t_5 = t_4 * t_4;
float tmp;
if (powf(t_4, 2.0f) >= (powf(t_0, 2.0f) + powf(t_1, 2.0f))) {
tmp = t_3 * (1.0f / sqrtf(fmaxf((t_5 + (t_3 * t_3)), t_2)));
} else {
tmp = t_1 * (1.0f / sqrtf(fmaxf((t_5 + (floorf(h) * (floorf(h) * (dX_46_v * dX_46_v)))), t_2)));
}
return tmp;
}
function code(w, h, dX_46_u, dX_46_v, dY_46_u, dY_46_v, maxAniso) t_0 = Float32(floor(w) * dY_46_u) t_1 = Float32(floor(h) * dY_46_v) t_2 = Float32(Float32(t_0 * t_0) + Float32(t_1 * t_1)) t_3 = Float32(floor(h) * dX_46_v) t_4 = Float32(floor(w) * dX_46_u) t_5 = Float32(t_4 * t_4) tmp = Float32(0.0) if ((t_4 ^ Float32(2.0)) >= Float32((t_0 ^ Float32(2.0)) + (t_1 ^ Float32(2.0)))) tmp = Float32(t_3 * Float32(Float32(1.0) / sqrt(((Float32(t_5 + Float32(t_3 * t_3)) != Float32(t_5 + Float32(t_3 * t_3))) ? t_2 : ((t_2 != t_2) ? Float32(t_5 + Float32(t_3 * t_3)) : max(Float32(t_5 + Float32(t_3 * t_3)), t_2)))))); else tmp = Float32(t_1 * Float32(Float32(1.0) / sqrt(((Float32(t_5 + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) != Float32(t_5 + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v))))) ? t_2 : ((t_2 != t_2) ? Float32(t_5 + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))) : max(Float32(t_5 + Float32(floor(h) * Float32(floor(h) * Float32(dX_46_v * dX_46_v)))), t_2)))))); 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(w) * dY_46_u; t_1 = floor(h) * dY_46_v; t_2 = (t_0 * t_0) + (t_1 * t_1); t_3 = floor(h) * dX_46_v; t_4 = floor(w) * dX_46_u; t_5 = t_4 * t_4; tmp = single(0.0); if ((t_4 ^ single(2.0)) >= ((t_0 ^ single(2.0)) + (t_1 ^ single(2.0)))) tmp = t_3 * (single(1.0) / sqrt(max((t_5 + (t_3 * t_3)), t_2))); else tmp = t_1 * (single(1.0) / sqrt(max((t_5 + (floor(h) * (floor(h) * (dX_46_v * dX_46_v)))), t_2))); end tmp_2 = tmp; end
\begin{array}{l}
\\
\begin{array}{l}
t_0 := \left\lfloor w\right\rfloor \cdot dY.u\\
t_1 := \left\lfloor h\right\rfloor \cdot dY.v\\
t_2 := t\_0 \cdot t\_0 + t\_1 \cdot t\_1\\
t_3 := \left\lfloor h\right\rfloor \cdot dX.v\\
t_4 := \left\lfloor w\right\rfloor \cdot dX.u\\
t_5 := t\_4 \cdot t\_4\\
\mathbf{if}\;{t\_4}^{2} \geq {t\_0}^{2} + {t\_1}^{2}:\\
\;\;\;\;t\_3 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5 + t\_3 \cdot t\_3, t\_2\right)}}\\
\mathbf{else}:\\
\;\;\;\;t\_1 \cdot \frac{1}{\sqrt{\mathsf{max}\left(t\_5 + \left\lfloor h\right\rfloor \cdot \left(\left\lfloor h\right\rfloor \cdot \left(dX.v \cdot dX.v\right)\right), t\_2\right)}}\\
\end{array}
\end{array}
Initial program 78.2%
Taylor expanded in dX.u around inf
unpow2N/A
associate-*l*N/A
*-commutativeN/A
lower-*.f32N/A
*-commutativeN/A
lower-*.f32N/A
lower-pow.f32N/A
lower-floor.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-pow.f3267.3
Applied rewrites67.3%
lift-floor.f32N/A
lift-pow.f32N/A
associate-*r*N/A
pow2N/A
lift-pow.f32N/A
unpow-prod-downN/A
*-commutativeN/A
lift-*.f32N/A
pow2N/A
lift-*.f32N/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
pow2N/A
sqr-powN/A
pow2N/A
lift-*.f32N/A
Applied rewrites67.3%
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
lift-floor.f32N/A
lift-*.f32N/A
unpow1N/A
metadata-evalN/A
sqr-powN/A
lift-*.f32N/A
unpow-prod-downN/A
pow2N/A
associate-*l*N/A
lower-*.f32N/A
lower-*.f32N/A
pow2N/A
lower-*.f3267.3
Applied rewrites67.3%
Final simplification67.3%
herbie shell --seed 2024219
(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))))