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c++ builder XE4, 10.2 Tokyo > char [] をdoubleで取得

Last updated at Posted at 2015-09-26
動作確認
C++ Builder XE4
Rad Studio 10.2 Tokyo Update 2 (追記: 2017/12/26)

charで指定された文字列からdouble型を取得したい。
一応下ので動いた。

	char szbuf[] = "12.5";
	double val = StrToFloatDef(String(szbuf), 0.0);

szbufが12.5bなど数値以外が入っている場合は0.0になるようにしている。

とりあえず自分の用途としては上でいいが、他にも読み方はあるだろう。

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