c: string to float (only with Libc)? [duplicate]

Question

Possible Duplicate:
string to float conversion?

how can i convert a string to float in c with only Libc?

Michael Aaron Safyan · Accepted Answer · 2011-01-03 16:45:39Z

0

You can use strtod or sscanf to do this.

answered Jan 3, 2011 at 16:45

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mipadi · Accepted Answer · 2011-01-03 16:45:35Z

0

char *float_str = "10.5";
double d = atof(float_str);

or

char *float_str = "10.5";
double d = strtod(float_str, (char **) NULL);

(The second form is recommended for newer code, as atof is deprecated in favor of strtod.)

It's in the stdlib.h header.

answered Jan 3, 2011 at 16:45

mipadi

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hmm.. not recommended for new code... strtod/strtof is the way forward..

Nim · Accepted Answer · 2011-01-03 16:46:12Z

0

particularly strtod, strtof

correct link...

answered Jan 3, 2011 at 16:46

Nim

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