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On Thursday 18 June 2009 16:16:39 Leonitis wrote: > I successfully built a cross-compiler for the ARM with crosstool-ng and > everything works fine. However, when I want to get user float input with > scanf(), it misses the negative sign, even though it works fine with > integers. For example, 3.5 and -3.5 are both read in as 3.5. Works for me with: linux headers 2.6.29.4 gmp-4.2.4 mpfr-2.4.1 binutils-2.19.1 gcc-4.3.3 glibc-2.9 dated 2009-06-18, with the ports addon. prompt> cat >ess.c <<_EOF_ #include <stdio.h> #include <stdlib.h> int main( int argc, char** argv ) { float f; scanf( "%f", &f ); printf( "f='%f'", f ); if( f < 0 ) { printf( "is negative\n" ); } else if( f > 0 ) { printf( "is positive\n" ); } else { printf( "is null\n" ); } return 0; } _EOF_ prompt> armeb-unknown-linux-gnueabi-gcc -o ess ess.c prompt> qemu-armeb -L [...]/armeb-unknown-linux-gnueabi/sys-root/ ./ess -3.5 f='-3.500000' is negative prompt> qemu-armeb -L [...]/armeb-unknown-linux-gnueabi/sys-root/ ./ess 3.5 f='3.500000' is positive prompt> qemu-armeb -L [...]/armeb-unknown-linux-gnueabi/sys-root/ ./ess 0 f='0.000000' is null Didn't try with ARM litle endian, though... What's your toolchain setup? Regards, Yann E. MORIN. -- .-----------------.--------------------.------------------.--------------------. | Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: | | +0/33 662376056 | Software Designer | \ / CAMPAIGN | ___ | | --==< ^_^ >==-- `------------.-------: X AGAINST | \e/ There is no | | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL | v conspiracy. | `------------------------------^-------^------------------^--------------------' -- For unsubscribe information see http://sourceware.org/lists.html#faq
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