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Add private function mju_isZeroByte to check for byte-wise zero.

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PiperOrigin-RevId: 810456282
Change-Id: I877d0f9225e7a783ed7ff12ce54f4ed0a7889793
This commit is contained in:
Yuval Tassa
2025-09-23 08:48:43 -07:00
committed by Copybara-Service
parent bb0878417e
commit d71d42a374
8 changed files with 128 additions and 6 deletions
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src/engine/engine_util_misc.h
+5 -2
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@@ -133,8 +133,11 @@ MJAPI const char* mju_warningText(int warning, size_t info);
// return 1 if nan or abs(x)>mjMAXVAL, 0 otherwise
MJAPI int mju_isBad(mjtNum x);
// return 1 if all elements are 0
MJAPI int mju_isZero(mjtNum* vec, int n);
// return 1 if all elements are numerically 0 (-0.0 treated as zero)
MJAPI int mju_isZero(const mjtNum* vec, int n);
// return 1 if all elements are 0x00, can be ~2x faster than mju_isZero
MJAPI int mju_isZeroByte(const unsigned char* vec, int n);
// set integer vector to 0
MJAPI void mju_zeroInt(int* res, int n);