1EXP(3M) EXP(3M)
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6 exp, log, log10, pow, sqrt - exponential, logarithm, power, square root
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9 #include <math.h>
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11 double exp(x)
12 double x;
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14 double log(x)
15 double x;
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17 double log10(x)
18 double x;
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20 double pow(x, y)
21 double x, y;
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23 double sqrt(x)
24 double x;
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27 Exp returns the exponential function of x.
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29 Log returns the natural logarithm of x; log10 returns the base 10 loga‐
30 rithm.
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32 Pow returns xy.
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34 Sqrt returns the square root of x.
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37 hypot(3), sinh(3), intro(2)
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40 Exp and pow return a huge value when the correct value would overflow;
41 errno is set to ERANGE. Pow returns 0 and sets errno to EDOM when the
42 second argument is negative and non-integral and when both arguments
43 are 0.
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45 Log returns 0 when x is zero or negative; errno is set to EDOM.
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47 Sqrt returns 0 when x is negative; errno is set to EDOM.
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51 EXP(3M)