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Add labs(), llabs(), and imaxabs()

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2986 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2010-10-09 21:12:49 +00:00
parent c11c3212f0
commit 9acbc30608
5 changed files with 19 additions and 9 deletions
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ChangeLog
+3 -1
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@@ -1297,6 +1297,8 @@
for the AT91 UC3A/B family of AVR32 MCUs. for the AT91 UC3A/B family of AVR32 MCUs.
* confgs/avr32dev1 - Add support for the Atmel AVR32DEV1 board featuring * confgs/avr32dev1 - Add support for the Atmel AVR32DEV1 board featuring
the AT91UC3B0256 MCU. This board is produced by www.mcuzone.com. the AT91UC3B0256 MCU. This board is produced by www.mcuzone.com.
* include/stdlib.h, lib/Makefile and lib/lib_abs.c - Add abs(). * include/stdlib.h, lib/Makefile, lib/lib_abs.c, lib/lib_labs.c,
lib_labs.c, lib_llabs.c, lib_imaxabs.c - Add abs(), labs(), llabs(), and
imaxabs().
Documentation/NuttX.html
+3 -2
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@@ -1914,8 +1914,9 @@ nuttx-5.12 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
for the AT91 UC3A/B family of AVR32 MCUs. for the AT91 UC3A/B family of AVR32 MCUs.
* confgs/avr32dev1 - Add support for the Atmel AVR32DEV1 board featuring * confgs/avr32dev1 - Add support for the Atmel AVR32DEV1 board featuring
the AT91UC3B0256 MCU. This board is produced by www.mcuzone.com. the AT91UC3B0256 MCU. This board is produced by www.mcuzone.com.
* include/stdlib.h, lib/Makefile and lib/lib_abs.c - Add abs(). * include/stdlib.h, lib/Makefile, lib/lib_abs.c, lib/lib_labs.c,
lib_labs.c, lib_llabs.c, lib_imaxabs.c - Add abs(), labs(), llabs(), and
imaxabs().
pascal-2.1 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr> pascal-2.1 2010-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
include/stdlib.h
+8 -1
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@@ -41,7 +41,9 @@
****************************************************************************/ ****************************************************************************/
#include <nuttx/config.h> #include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <sys/types.h> #include <sys/types.h>
#include <stdint.h>
/**************************************************************************** /****************************************************************************
* Definitions * Definitions
@@ -146,7 +148,12 @@ EXTERN FAR void *calloc(size_t, size_t);
/* Misc */ /* Misc */
EXTERN int abs(int i); EXTERN int abs(int j);
EXTERN long int labs(long int j);
#ifdef CONFIG_HAVE_LONG_LONG
EXTERN long long int llabs(long long int j);
#endif
EXTERN intmax_t imaxabs(intmax_t j);
/* Sorting */ /* Sorting */
lib/Makefile
+1 -1
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@@ -75,7 +75,7 @@ ifeq ($(CONFIG_LIBC_FLOATINGPOINT),y)
STDIO_SRCS += lib_dtoa.c STDIO_SRCS += lib_dtoa.c
endif endif
STDLIB_SRCS = lib_abs.c lib_rand.c lib_qsort.c STDLIB_SRCS = lib_abs.c lib_imaxabs.c lib_labs.c lib_llabs.c lib_rand.c lib_qsort.c
MATH_SRCS = lib_rint.c lib_fixedmath.c lib_b16sin.c lib_b16cos.c MATH_SRCS = lib_rint.c lib_fixedmath.c lib_b16sin.c lib_b16cos.c
lib/lib_abs.c
+4 -4
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@@ -44,11 +44,11 @@
* Global Functions * Global Functions
************************************************************************/ ************************************************************************/
int abs(int i) int abs(int j)
{ {
if (i < 0) if (j < 0)
{ {
i = -i; j = -j;
} }
return i; return j;
} }