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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | #include "ref.h" |
| 2 | |||
| 3 | arm_status ref_mat_sub_f32( |
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| 4 | const arm_matrix_instance_f32 * pSrcA, |
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| 5 | const arm_matrix_instance_f32 * pSrcB, |
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| 6 | arm_matrix_instance_f32 * pDst) |
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| 7 | { |
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| 8 | uint32_t i; |
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| 9 | uint32_t numSamples; /* total number of elements in the matrix */ |
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| 10 | |||
| 11 | /* Total number of samples in the input matrix */ |
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| 12 | numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols; |
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| 13 | |||
| 14 | for(i=0;i<numSamples;i++) |
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| 15 | { |
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| 16 | pDst->pData[i] = pSrcA->pData[i] - pSrcB->pData[i]; |
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| 17 | } |
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| 18 | |||
| 19 | return ARM_MATH_SUCCESS; |
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| 20 | } |
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| 21 | |||
| 22 | arm_status ref_mat_sub_q31( |
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| 23 | const arm_matrix_instance_q31 * pSrcA, |
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| 24 | const arm_matrix_instance_q31 * pSrcB, |
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| 25 | arm_matrix_instance_q31 * pDst) |
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| 26 | { |
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| 27 | uint32_t i; |
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| 28 | uint32_t numSamples; /* total number of elements in the matrix */ |
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| 29 | |||
| 30 | /* Total number of samples in the input matrix */ |
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| 31 | numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols; |
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| 32 | |||
| 33 | for(i=0;i<numSamples;i++) |
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| 34 | { |
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| 35 | pDst->pData[i] = ref_sat_q31( (q63_t)pSrcA->pData[i] - pSrcB->pData[i]); |
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| 36 | } |
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| 37 | |||
| 38 | return ARM_MATH_SUCCESS; |
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| 39 | } |
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| 40 | |||
| 41 | arm_status ref_mat_sub_q15( |
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| 42 | const arm_matrix_instance_q15 * pSrcA, |
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| 43 | const arm_matrix_instance_q15 * pSrcB, |
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| 44 | arm_matrix_instance_q15 * pDst) |
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| 45 | { |
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| 46 | uint32_t i; |
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| 47 | uint32_t numSamples; /* total number of elements in the matrix */ |
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| 48 | |||
| 49 | /* Total number of samples in the input matrix */ |
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| 50 | numSamples = (uint32_t) pSrcA->numRows * pSrcA->numCols; |
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| 51 | |||
| 52 | for(i=0;i<numSamples;i++) |
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| 53 | { |
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| 54 | pDst->pData[i] = ref_sat_q15( (q31_t)pSrcA->pData[i] - pSrcB->pData[i]); |
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| 55 | } |
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| 56 | |||
| 57 | return ARM_MATH_SUCCESS; |
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| 58 | } |