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Diffstat (limited to 'src/modules/attitude_estimator_ekf/codegen/rtGetNaN.c')
-rwxr-xr-xsrc/modules/attitude_estimator_ekf/codegen/rtGetNaN.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/modules/attitude_estimator_ekf/codegen/rtGetNaN.c b/src/modules/attitude_estimator_ekf/codegen/rtGetNaN.c
new file mode 100755
index 000000000..d84ca9573
--- /dev/null
+++ b/src/modules/attitude_estimator_ekf/codegen/rtGetNaN.c
@@ -0,0 +1,96 @@
+/*
+ * rtGetNaN.c
+ *
+ * Code generation for function 'attitudeKalmanfilter'
+ *
+ * C source code generated on: Sat Jan 19 15:25:29 2013
+ *
+ */
+
+/*
+ * Abstract:
+ * MATLAB for code generation function to initialize non-finite, NaN
+ */
+#include "rtGetNaN.h"
+#define NumBitsPerChar 8U
+
+/* Function: rtGetNaN ==================================================
+ * Abstract:
+ * Initialize rtNaN needed by the generated code.
+ * NaN is initialized as non-signaling. Assumes IEEE.
+ */
+real_T rtGetNaN(void)
+{
+ size_t bitsPerReal = sizeof(real_T) * (NumBitsPerChar);
+ real_T nan = 0.0;
+ if (bitsPerReal == 32U) {
+ nan = rtGetNaNF();
+ } else {
+ uint16_T one = 1U;
+ enum {
+ LittleEndian,
+ BigEndian
+ } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian;
+ switch (machByteOrder) {
+ case LittleEndian:
+ {
+ union {
+ LittleEndianIEEEDouble bitVal;
+ real_T fltVal;
+ } tmpVal;
+
+ tmpVal.bitVal.words.wordH = 0xFFF80000U;
+ tmpVal.bitVal.words.wordL = 0x00000000U;
+ nan = tmpVal.fltVal;
+ break;
+ }
+
+ case BigEndian:
+ {
+ union {
+ BigEndianIEEEDouble bitVal;
+ real_T fltVal;
+ } tmpVal;
+
+ tmpVal.bitVal.words.wordH = 0x7FFFFFFFU;
+ tmpVal.bitVal.words.wordL = 0xFFFFFFFFU;
+ nan = tmpVal.fltVal;
+ break;
+ }
+ }
+ }
+
+ return nan;
+}
+
+/* Function: rtGetNaNF ==================================================
+ * Abstract:
+ * Initialize rtNaNF needed by the generated code.
+ * NaN is initialized as non-signaling. Assumes IEEE.
+ */
+real32_T rtGetNaNF(void)
+{
+ IEEESingle nanF = { { 0 } };
+ uint16_T one = 1U;
+ enum {
+ LittleEndian,
+ BigEndian
+ } machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian;
+ switch (machByteOrder) {
+ case LittleEndian:
+ {
+ nanF.wordL.wordLuint = 0xFFC00000U;
+ break;
+ }
+
+ case BigEndian:
+ {
+ nanF.wordL.wordLuint = 0x7FFFFFFFU;
+ break;
+ }
+ }
+
+ return nanF.wordL.wordLreal;
+}
+
+/* End of code generation (rtGetNaN.c) */