Math

$BIbF0>.?tE@1i;;$r%5%]!<%H$9$k%/%i%9!%(BMath$B%b%8%e!<%k$OF1$8Dj5A(B $B$N%a%=%C%I$HFC0[%a%=%C%I$H$NN>J}$,Dj5A$5$l$F$$$k$N$G!$FC0[%a(B $B%=%C%I$r8F$S=P$7$F;H$&;H$$J}$H!$%/%i%9$K%$%s%/%k!<%I$7$F;H$&(B $B;H$$J}$H$NN>J}$,$G$-$^$9!%(B

$BNc(B:

pi = Math.atan2(1, 1)*4;
include Math
pi2 = atan2(1, 1)*4

$B%b%8%e!<%k4X?t(B:

atan2(y, x)

$B&P!A(B-$B&P$NHO0O$G(Bx/y$B$N%"!<%/%?%s%8%'%s%H(B $B$rJV$7$^$9!%(B

cos(x)

sin(x)

tan(x)

-1$B!A(B1$B$NHO0O$G%i%8%"%s$GI=$5$l$?(Bx$B$N;03Q4X?t$NCM$rJV$7$^$9!%(B

exp(x)

x$B$N;X?t4X?t$NCM$rJV$7$^$9!%(B

frexp(x)

$Bx$B$N;X?tIt$H2>?tIt$rJV$7$^$9!%(B

ldexp(x,exp)

$Bx$B$K(B2$B$N(Bexp$B>h$r$+$1$??t$rJV$7$^$9!%(B

log(x)

x$B$N<+A3BP?t$rJV$7$^$9!%(B

log10(x)

x$B$N>oMQBP?t$rJV$7$^$9!%(B

sqrt(x)

x$B$NJ?J}:,$rJV$7$^$9!%(Bx$B$NCM$,Ii$G$"$k;~(B $B$K$ONc30$,H/@8$7$^$9!%(B

$BDj?t(B:

PI

$B1_<~N((B

E

e

matz@netlab.co.jp