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More efficient dtostrf() emulation on ARM

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This commit is contained in:
Cristian Maglie
2013-06-06 23:11:43 +02:00
parent 81d41fc761
commit a2e7413d22
1 changed files with 2 additions and 5 deletions
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7
hardware/arduino/sam/cores/arduino/avr/dtostrf.c
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@ -20,11 +20,8 @@
char *dtostrf (double val, signed char width, unsigned char prec, char *sout) { char *dtostrf (double val, signed char width, unsigned char prec, char *sout) {
char fmt[20]; char fmt[20];
if (width<0) { sprintf(fmt, "%%%d.%df", width, prec);
sprintf(fmt, "%%-%d.%df", width, prec);
} else {
sprintf(fmt, "%%%d.%df", width, prec);
}
sprintf(sout, fmt, val); sprintf(sout, fmt, val);
return sout; return sout;
} }