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[feat][nmsis] add nmsis component and nn,dsp demo

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jzlv 2021-09-26 13:38:51 +08:00
parent b2aada479b
commit 5d1126d0f0
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112
examples/dsp/InterpolationFunctions_Linearpart/main.c Normal file
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#include "riscv_math.h"
#include <stdint.h>
#include <stdlib.h>
#include "array.h"
#include "../common.h"
#include "../HelperFunctions/math_helper.c"
#include "../HelperFunctions/ref_helper.c"
#include <stdio.h>
#define DELTAF32 (0.05f)
#define DELTAQ31 (63)
#define DELTAQ15 (1)
#define DELTAQ7 (1)
int test_flag_error = 0;
int main()
{
int i;
BENCH_INIT;
//simulate y=pi*x + pi/2
riscv_linear_interp_instance_f32 S_f32 = {
ARRAY_SIZE, /*number of values*/
0, /*start value of x*/
0.1, /*x's spacing*/
f32_y_array, /*value of y*/
};
float32_t x_f32_input = 5.12, y_f32_output, y_f32_output_ref = 17.6557507131746;
BENCH_START(riscv_linear_interp_f32);
y_f32_output = riscv_linear_interp_f32(&S_f32, x_f32_input);
BENCH_END(riscv_linear_interp_f32);
if (fabs(y_f32_output - y_f32_output_ref) > DELTAF32) {
BENCH_ERROR(riscv_linear_interp_f32);
printf("expect: %f, actual: %f\n", y_f32_output_ref, y_f32_output);
test_flag_error = 1;
}
BENCH_STATUS(riscv_linear_interp_f32);
//simulate y=0.00000125x+0.00000625
//in q31 is y=2684x+13421
//the x_input is 3972.
//x_q31_input is in 12.20 format. 12 for start position, 20 for format(calculate before).
//first calculate the format, then shift right 12 bits. At last move expected index to the high 12 bits
//this is 39 and 0.72
q31_t x_q31_input = 41271951, y_q31_output, y_q31_output_ref = 10674269;
BENCH_START(riscv_linear_interp_q31);
y_q31_output = riscv_linear_interp_q31(q31_y_array, x_q31_input, ARRAY_SIZE);
BENCH_END(riscv_linear_interp_q31);
//change result to float32_t to compare
riscv_q31_to_float(&y_q31_output, &y_f32_output, 1);
riscv_q31_to_float(&y_q31_output_ref, &y_f32_output_ref, 1);
if (fabs(y_f32_output - y_f32_output_ref) > DELTAF32) {
BENCH_ERROR(riscv_linear_interp_q31);
printf("expect: %f, actual: %f\n", y_f32_output_ref, y_f32_output);
test_flag_error = 1;
}
BENCH_STATUS(riscv_linear_interp_q31);
//simulate y=0.000125x+0.000625
//in q15 is y=4x+20
//the x_input is 3972.
//x_q15_input is in 12.20 format. 12 for start position, 20 for format(calculate before).
//first calculate the format, then shift right 12 bits. At last move expected index to the high 12 bits
//this is 39 and 0.72
q31_t x_q15_input = 41271951;
q15_t y_q15_output, y_q15_output_ref = 15908;
BENCH_START(riscv_linear_interp_q31);
y_q15_output = riscv_linear_interp_q15(q15_y_array, x_q15_input, ARRAY_SIZE);
BENCH_END(riscv_linear_interp_q15);
//change result to float32_t to compare
riscv_q15_to_float(&y_q15_output, &y_f32_output, 1);
riscv_q15_to_float(&y_q15_output_ref, &y_f32_output_ref, 1);
if (fabs(y_f32_output - y_f32_output_ref) > DELTAF32) {
BENCH_ERROR(riscv_linear_interp_q15);
printf("expect: %f, actual: %f\n", y_f32_output_ref, y_f32_output);
test_flag_error = 1;
}
BENCH_STATUS(riscv_linear_interp_q15);
//simulate y=0.02x+0.03
//in q7 is y=2x+3
//the x_input is 39.
//x_q7_input is in 12.20 format. 12 for start position, 20 for format(calculate before).
//first calculate the format, then shift right 12 bits. At last move expected index to the high 12 bits
//this is 35 and 0.8
q31_t x_q7_input = 37119590;
q7_t y_q7_output, y_q7_output_ref = 81;
BENCH_START(riscv_linear_interp_q31);
y_q7_output = riscv_linear_interp_q7(q7_y_array, x_q7_input, 9);
BENCH_END(riscv_linear_interp_q7);
//change result to float32_t to compare
riscv_q7_to_float(&y_q7_output, &y_f32_output, 1);
riscv_q7_to_float(&y_q7_output_ref, &y_f32_output_ref, 1);
if (fabs(y_f32_output - y_f32_output_ref) > DELTAF32) {
BENCH_ERROR(riscv_linear_interp_q7);
printf("expect: %f, actual: %f\n", y_f32_output_ref, y_f32_output);
test_flag_error = 1;
}
BENCH_STATUS(riscv_linear_interp_q7);
BENCH_FINISH;
if (test_flag_error) {
printf("test error apprears, please recheck.\n");
return 1;
} else {
printf("all test are passed. Well done!\n");
}
return 0;
};