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发表于 2016-11-14 18:11:56
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回复 1# ya574544187 , ~5 K4 i/ r/ ^6 ^3 n
$ n2 D, T' C! o' d; `- C3 J自己看吧,官方的说明:0 o! @! g7 N9 {
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$ [. ~) g% W$ @( \advanced math functions5 l0 g0 f9 P: Z: l8 n8 Z6 J* | Z
0 for values less then 09 l* Y! B2 M- w8 w9 d' `$ A5 c/ F
1 for values greater then pr equal to 0
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3 g$ j) W4 h$ {4 a& ?: `$ I5 E! e9 bfsg2:
% a; {4 O9 `' _/ `& E1 }7 f4 _2 `returns
0 G5 Q# O2 |' g1 p1 nadvanced math functions- b% O& Y7 h0 o1 g7 E2 {/ N
0 for values equal to 04 v ], c5 f7 C8 I; ]8 `9 y: J( G, W
1 for values not to 0: H+ u) h) z3 I9 Z0 y, Z
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fsg3:
1 K D8 y' H+ v- Xreturns% q; Z* i! u9 G
advanced math functions
) Y: T: ^; H* E" S4 q0 for negative values
2 t: n8 M4 J& a0 M' v1 ?: k3 _1 for zero
4 X2 u! N- J9 `8 P0 {% `# c7 x8 h0 l2 H2 for positive values |
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