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  1. #include <cmath>
  2. #include <fenv.h>
  3. #include <iostream>
  4.  
  5. int main()
  6. {
  7. feenableexcept(FE_ALL_EXCEPT & ~FE_INEXACT);
  8. for (float x = 30; x > -1000; --x)
  9. {
  10. float y = std::exp(x);
  11. std::cout << x << "\t\t" << y << std::endl;
  12. }
  13. }
Runtime error #stdin #stdout 0s 4388KB
stdin
Standard input is empty
stdout
30		1.06865e+13
29		3.93133e+12
28		1.44626e+12
27		5.32048e+11
26		1.9573e+11
25		7.20049e+10
24		2.64891e+10
23		9.7448e+09
22		3.58491e+09
21		1.31882e+09
20		4.85165e+08
19		1.78482e+08
18		6.566e+07
17		2.4155e+07
16		8.88611e+06
15		3.26902e+06
14		1.2026e+06
13		442413
12		162755
11		59874.1
10		22026.5
9		8103.08
8		2980.96
7		1096.63
6		403.429
5		148.413
4		54.5981
3		20.0855
2		7.38906
1		2.71828
0		1
-1		0.367879
-2		0.135335
-3		0.0497871
-4		0.0183156
-5		0.00673795
-6		0.00247875
-7		0.000911882
-8		0.000335463
-9		0.00012341
-10		4.53999e-05
-11		1.67017e-05
-12		6.14421e-06
-13		2.26033e-06
-14		8.31529e-07
-15		3.05902e-07
-16		1.12535e-07
-17		4.13994e-08
-18		1.523e-08
-19		5.6028e-09
-20		2.06115e-09
-21		7.58256e-10
-22		2.78947e-10
-23		1.02619e-10
-24		3.77513e-11
-25		1.38879e-11
-26		5.10909e-12
-27		1.87953e-12
-28		6.9144e-13
-29		2.54367e-13
-30		9.35762e-14
-31		3.44248e-14
-32		1.26642e-14
-33		4.65889e-15
-34		1.71391e-15
-35		6.30512e-16
-36		2.31952e-16
-37		8.53305e-17
-38		3.13913e-17
-39		1.15482e-17
-40		4.24835e-18
-41		1.56288e-18
-42		5.74952e-19
-43		2.11513e-19
-44		7.78113e-20
-45		2.86252e-20
-46		1.05306e-20
-47		3.874e-21
-48		1.42516e-21
-49		5.24289e-22
-50		1.92875e-22
-51		7.09547e-23
-52		2.61028e-23
-53		9.60268e-24
-54		3.53263e-24
-55		1.29958e-24
-56		4.78089e-25
-57		1.75879e-25
-58		6.47023e-26
-59		2.38027e-26
-60		8.75651e-27
-61		3.22134e-27
-62		1.18506e-27
-63		4.35961e-28
-64		1.60381e-28
-65		5.90009e-29
-66		2.17052e-29
-67		7.9849e-30
-68		2.93748e-30
-69		1.08064e-30
-70		3.97545e-31
-71		1.46249e-31
-72		5.38019e-32
-73		1.97926e-32
-74		7.28129e-33
-75		2.67864e-33
-76		9.85415e-34
-77		3.62514e-34
-78		1.33361e-34
-79		4.90609e-35
-80		1.80485e-35
-81		6.63968e-36
-82		2.4426e-36
-83		8.98583e-37
-84		3.3057e-37
-85		1.2161e-37
-86		4.47378e-38
-87		1.64581e-38