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#define | ADD16(a, b) ((spx_word16_t)((spx_word16_t)(a)+(spx_word16_t)(b))) |
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#define | ADD32(a, b) ((spx_word32_t)(a)+(spx_word32_t)(b)) |
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#define | DIV32(a, b) (((spx_word32_t)(a))/((spx_word32_t)(b))) |
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#define | DIV32_16(a, b) ((spx_word16_t)(((spx_word32_t)(a))/((spx_word16_t)(b)))) |
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#define | EXTEND32(x) ((spx_word32_t)(x)) |
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#define | EXTRACT16(x) ((spx_word16_t)(x)) |
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#define | MAC16_16(c, a, b) (ADD32((c),MULT16_16((a),(b)))) |
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#define | MAC16_16_P13(c, a, b) (ADD32((c),SHR(ADD32(4096,MULT16_16((a),(b))),13))) |
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#define | MAC16_16_Q11(c, a, b) (ADD32((c),SHR(MULT16_16((a),(b)),11))) |
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#define | MAC16_16_Q13(c, a, b) (ADD32((c),SHR(MULT16_16((a),(b)),13))) |
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#define | MAC16_32_Q11(c, a, b) ADD32(c,ADD32(MULT16_16((a),SHR((b),11)), SHR(MULT16_16((a),((b)&0x000007ff)),11))) |
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#define | MAC16_32_Q15(c, a, b) ADD32(c,ADD32(MULT16_16((a),SHR((b),15)), SHR(MULT16_16((a),((b)&0x00007fff)),15))) |
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#define | MUL_16_32_R15(a, bh, bl) ADD32(MULT16_16((a),(bh)), SHR(MULT16_16((a),(bl)),15)) |
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#define | MULT16_16(a, b) (((spx_word32_t)(spx_word16_t)(a))*((spx_word32_t)(spx_word16_t)(b))) |
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#define | MULT16_16_16(a, b) ((((spx_word16_t)(a))*((spx_word16_t)(b)))) |
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#define | MULT16_16_P13(a, b) (SHR(ADD32(4096,MULT16_16((a),(b))),13)) |
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#define | MULT16_16_P14(a, b) (SHR(ADD32(8192,MULT16_16((a),(b))),14)) |
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#define | MULT16_16_P15(a, b) (SHR(ADD32(16384,MULT16_16((a),(b))),15)) |
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#define | MULT16_16_Q11_32(a, b) (SHR(MULT16_16((a),(b)),11)) |
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#define | MULT16_16_Q13(a, b) (SHR(MULT16_16((a),(b)),13)) |
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#define | MULT16_16_Q14(a, b) (SHR(MULT16_16((a),(b)),14)) |
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#define | MULT16_16_Q15(a, b) (SHR(MULT16_16((a),(b)),15)) |
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#define | MULT16_32_P15(a, b) ADD32(MULT16_16((a),SHR((b),15)), PSHR(MULT16_16((a),((b)&0x00007fff)),15)) |
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#define | MULT16_32_Q11(a, b) ADD32(MULT16_16((a),SHR((b),11)), SHR(MULT16_16((a),((b)&0x000007ff)),11)) |
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#define | MULT16_32_Q12(a, b) ADD32(MULT16_16((a),SHR((b),12)), SHR(MULT16_16((a),((b)&0x00000fff)),12)) |
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#define | MULT16_32_Q13(a, b) ADD32(MULT16_16((a),SHR((b),13)), SHR(MULT16_16((a),((b)&0x00001fff)),13)) |
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#define | MULT16_32_Q14(a, b) ADD32(MULT16_16((a),SHR((b),14)), SHR(MULT16_16((a),((b)&0x00003fff)),14)) |
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#define | MULT16_32_Q15(a, b) ADD32(MULT16_16((a),SHR((b),15)), SHR(MULT16_16((a),((b)&0x00007fff)),15)) |
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#define | NEG16(x) (-(x)) |
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#define | NEG32(x) (-(x)) |
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#define | PDIV32(a, b) (((spx_word32_t)(a)+((spx_word16_t)(b)>>1))/((spx_word32_t)(b))) |
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#define | PDIV32_16(a, b) ((spx_word16_t)(((spx_word32_t)(a)+((spx_word16_t)(b)>>1))/((spx_word16_t)(b)))) |
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#define | PSHR(a, shift) (SHR((a)+((EXTEND32(1)<<((shift))>>1)),shift)) |
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#define | PSHR16(a, shift) (SHR16((a)+((1<<((shift))>>1)),shift)) |
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#define | PSHR32(a, shift) (SHR32((a)+((EXTEND32(1)<<((shift))>>1)),shift)) |
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#define | QCONST16(x, bits) ((spx_word16_t)(.5+(x)*(((spx_word32_t)1)<<(bits)))) |
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#define | QCONST32(x, bits) ((spx_word32_t)(.5+(x)*(((spx_word32_t)1)<<(bits)))) |
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#define | SATURATE(x, a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x))) |
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#define | SATURATE16(x, a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x))) |
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#define | SATURATE32(x, a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x))) |
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#define | SATURATE32PSHR(x, shift, a) |
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#define | SHL(a, shift) ((spx_word32_t)(a) << (shift)) |
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#define | SHL16(a, shift) ((a) << (shift)) |
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#define | SHL32(a, shift) ((a) << (shift)) |
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#define | SHR(a, shift) ((a) >> (shift)) |
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#define | SHR16(a, shift) ((a) >> (shift)) |
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#define | SHR32(a, shift) ((a) >> (shift)) |
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#define | SUB16(a, b) ((spx_word16_t)(a)-(spx_word16_t)(b)) |
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#define | SUB32(a, b) ((spx_word32_t)(a)-(spx_word32_t)(b)) |
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#define | VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift))) |
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Generic fixed-point operations.
Definition in file fixed_generic.h.