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-rw-r--r--sbc/sbc_math.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sbc/sbc_math.h b/sbc/sbc_math.h
index 5aeddac1..c8c72c75 100644
--- a/sbc/sbc_math.h
+++ b/sbc/sbc_math.h
@@ -64,6 +64,8 @@ typedef long long sbc_extended_t;
#define SBC_FIXED_0(val) { val = 0; }
#define ADD(dst, src) { dst += src; }
#define SUB(dst, src) { dst -= src; }
+#define MUL32(dst, a, b) { dst = (sbc_fixed_t) (a) * (b); }
+#define MULA32(dst, a, b) { dst += (sbc_fixed_t) (a) * (b); }
#define MUL(dst, a, b) { dst = (sbc_extended_t) (a) * (b); }
#define MULA(dst, a, b) { dst += (sbc_extended_t) (a) * (b); }
#define DIV2(dst, src) { dst = ASR(src, 1); }