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AP_Math: check if failed to allocate memory

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Siddharth Bharat Purohit 2015-09-02 18:03:20 -07:00 committed by Andrew Tridgell
parent 75829f5533
commit 1ffbffa0e7
1 changed files with 21 additions and 0 deletions
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21
libraries/AP_Math/matrix_alg.cpp
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@ -16,7 +16,14 @@ float detnxn(const float C[],const uint8_t n)
{
float f;
float *A = new float[n*n];
if( A == NULL) {
return 0;
}
int8_t *ipiv = new int8_t[n];
if(ipiv == NULL) {
delete[] A;
return 0;
}
int32_t i0;
int32_t j;
int32_t c;
@ -28,6 +35,7 @@ float detnxn(const float C[],const uint8_t n)
int32_t b_j;
int32_t ijA;
bool isodd;
memcpy(&A[0], &C[0], n*n * sizeof(float));
for (i0 = 0; i0 < n; i0++) {
ipiv[i0] = (int8_t)(1 + i0);
@ -119,8 +127,15 @@ bool inversenxn(const float x[], float y[], const uint8_t n)
}
float *A = new float[n*n];
if( A == NULL ){
return false;
}
int32_t i0;
int32_t *ipiv = new int32_t[n];
if(ipiv == NULL) {
delete[] A;
return false;
}
int32_t j;
int32_t c;
int32_t pipk;
@ -131,6 +146,12 @@ bool inversenxn(const float x[], float y[], const uint8_t n)
int32_t jy;
int32_t ijA;
int32_t *p = new int32_t[n];
if(p == NULL) {
delete[] A;
delete[] ipiv;
return false;
}
for (i0 = 0; i0 < n*n; i0++) {
A[i0] = x[i0];
y[i0] = 0.0f;