double f(double a, double b_2, double c) {
double r1024396 = b_2;
double r1024397 = -r1024396;
double r1024398 = r1024396 * r1024396;
double r1024399 = a;
double r1024400 = c;
double r1024401 = r1024399 * r1024400;
double r1024402 = r1024398 - r1024401;
double r1024403 = sqrt(r1024402);
double r1024404 = r1024397 + r1024403;
double r1024405 = r1024404 / r1024399;
return r1024405;
}
double f(double a, double b_2, double c) {
double r1024406 = b_2;
double r1024407 = -4.1061641587957725e+142;
bool r1024408 = r1024406 <= r1024407;
double r1024409 = 0.5;
double r1024410 = c;
double r1024411 = r1024410 / r1024406;
double r1024412 = r1024409 * r1024411;
double r1024413 = a;
double r1024414 = r1024406 / r1024413;
double r1024415 = 2.0;
double r1024416 = r1024414 * r1024415;
double r1024417 = r1024412 - r1024416;
double r1024418 = 5.6646816643665726e-285;
bool r1024419 = r1024406 <= r1024418;
double r1024420 = r1024406 * r1024406;
double r1024421 = r1024410 * r1024413;
double r1024422 = r1024420 - r1024421;
double r1024423 = sqrt(r1024422);
double r1024424 = r1024423 - r1024406;
double r1024425 = r1024424 / r1024413;
double r1024426 = 1.4653326993720654e+110;
bool r1024427 = r1024406 <= r1024426;
double r1024428 = r1024423 + r1024406;
double r1024429 = r1024410 / r1024428;
double r1024430 = -r1024429;
double r1024431 = -0.5;
double r1024432 = r1024411 * r1024431;
double r1024433 = r1024427 ? r1024430 : r1024432;
double r1024434 = r1024419 ? r1024425 : r1024433;
double r1024435 = r1024408 ? r1024417 : r1024434;
return r1024435;
}
\frac{\left(-b_2\right) + \sqrt{b_2 \cdot b_2 - a \cdot c}}{a}\begin{array}{l}
\mathbf{if}\;b_2 \le -4.1061641587957725 \cdot 10^{+142}:\\
\;\;\;\;\frac{1}{2} \cdot \frac{c}{b_2} - \frac{b_2}{a} \cdot 2\\
\mathbf{elif}\;b_2 \le 5.6646816643665726 \cdot 10^{-285}:\\
\;\;\;\;\frac{\sqrt{b_2 \cdot b_2 - c \cdot a} - b_2}{a}\\
\mathbf{elif}\;b_2 \le 1.4653326993720654 \cdot 10^{+110}:\\
\;\;\;\;-\frac{c}{\sqrt{b_2 \cdot b_2 - c \cdot a} + b_2}\\
\mathbf{else}:\\
\;\;\;\;\frac{c}{b_2} \cdot \frac{-1}{2}\\
\end{array}


Bits error versus a



Bits error versus b_2



Bits error versus c
if b_2 < -4.1061641587957725e+142Initial program 56.5
Simplified56.5
rmApplied div-inv56.6
Taylor expanded around -inf 2.6
if -4.1061641587957725e+142 < b_2 < 5.6646816643665726e-285Initial program 9.0
Simplified9.0
if 5.6646816643665726e-285 < b_2 < 1.4653326993720654e+110Initial program 33.5
Simplified33.5
rmApplied div-inv33.5
rmApplied flip--33.6
Applied associate-*l/33.6
Simplified15.8
Taylor expanded around inf 8.6
Simplified8.6
if 1.4653326993720654e+110 < b_2 Initial program 59.7
Simplified59.7
Taylor expanded around inf 2.1
Final simplification6.5
herbie shell --seed 2019102
(FPCore (a b_2 c)
:name "quad2p (problem 3.2.1, positive)"
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a))