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发表于 2016-11-14 18:11:56
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回复 1# ya574544187 " |+ K& l- U( h' A$ [
) H5 F. `7 [; H自己看吧,官方的说明:$ f- K& h) J0 G+ c/ H
fsg1;
7 V/ a6 K3 @; r$ O: U5 Breturns! q J5 @, h3 ]4 u0 \* W
advanced math functions! k9 o5 v; i/ @& i- m
0 for values less then 02 C- m4 {1 `2 U
1 for values greater then pr equal to 0
3 z9 a f" k8 _% e2 m9 g1 Y* Z
fsg2:$ o0 F; n% ?# Q# B7 @* v4 W
returns, G% r$ V, v- j1 P) Z# b
advanced math functions
+ S/ i3 d+ E" d* K9 G, v/ m0 for values equal to 0
/ J: D; `$ x6 J. R. M& ^1 for values not to 0; W5 H! ^3 c m, E$ Z& n8 {- c& G
W; m5 D6 a1 X
fsg3:
: d2 b0 D; `1 D4 S! z, ureturns# S F0 N$ Q: Y( c
advanced math functions8 ^% W( J0 y; ^3 m- y7 d
0 for negative values7 ?; Q ~) n3 D8 M9 x1 n5 x
1 for zero - |# i8 n& G$ G4 r' P9 Q+ B
2 for positive values |
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