For the MSP there is:
opt/msp430/msp430/include/math.h
which contains:
extern float sqrtf _PARAMS((float));
(note the 'f' for float rather than double)... however it is in a
"#ifndef _REENT_ONLY" block which may or may not be def'ed...
And for the AVR:
usr/avr/include/math.h
has:
extern double sqrt(double __x) __ATTR_CONST__;
although I "thought" the ATMEGA only supported floats as well...
MS
SANG Junjun wrote:
It seems that there is no sqrt support for msp430.
On Dec 11, 2007 2:47 PM, prashan wanigasekara <[EMAIL PROTECTED]> wrote:
Hi everyone,
This is my first post to the forum. I am programming in tinyos-2.x. and
using micaz, telosb motes. My problem is
1. How to use math.h in tinyos-2.x? I cannot find a suitable header file
anywhere. Could you recommend a place to download it ?
2. I want to use sqrt (square root) function. Is there way to use this
without using math.h?
3. Is math.h even implemented in tinyos-2.x for micaz?
4. Is the math.h (tinyos-2.x) for micaz different from telosb? (Platform
dependant?)
I would greatly appreciate your help.
prashan
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Platform: WinXP/Cygwin
TinyOS version: 1.x, Boomerang
Programmer: MIB510
Device(s): Mica2, MicaZ, Tmote
Sensor board: homebrew
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