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21 lines
662 B
Groff
21 lines
662 B
Groff
.TH fmt_double 3
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.SH NAME
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fmt_double \- write an ASCII representation of a double
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.SH SYNTAX
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.B #include <libowfat/fmt.h>
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size_t \fBfmt_double\fP(char *\fIdest\fR,double \fId\fR,size_t
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\fImaxlen\fR,size_t \fIprec\fR);
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.SH DESCRIPTION
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fmt_double writes an ASCII representation ('0' to '9', base 10) of
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\fId\fR to \fIdest\fR and returns the number of bytes written. No more
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than \fImaxlen\fR bytes will be written. \fIprec\fR digits will be
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written, using scientific notation if necessary.
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fmt_double does not append \\0.
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If \fIdest\fR equals FMT_LEN (i.e. is zero), fmt_double returns the
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number of bytes it would have written.
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.SH "SEE ALSO"
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scan_double(3)
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