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AP_Math: added fill_nanf() 

used in SITL to invalidate memory
This commit is contained in:
Andrew Tridgell 2019-09-21 10:32:54 +10:00
parent 5aaeaaea8c
commit 9b746b89db
2 changed files with 11 additions and 0 deletions
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8
libraries/AP_Math/AP_Math.cpp
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@ -303,3 +303,11 @@ bool rotation_equal(enum Rotation r1, enum Rotation r2)
return (v1 - v2).length() < 0.001;
}
// fill an array of float with NaN, used to invalidate memory in SITL
void fill_nanf(float *f, uint16_t count)
{
while (count--) {
*f++ = nanf("fill");
}
}

3
libraries/AP_Math/AP_Math.h
View File

@ -281,3 +281,6 @@ bool is_valid_octal(uint16_t octal) WARN_IF_UNUSED;
// return true if two rotations are equal
bool rotation_equal(enum Rotation r1, enum Rotation r2) WARN_IF_UNUSED;
// fill an array of float with NaN, used to invalidate memory in SITL
void fill_nanf(float *f, uint16_t count);