44 lines
1.3 KiB
Markdown
44 lines
1.3 KiB
Markdown
# Îáìåí
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Ôóíêöèè îáìåíà ïîçâîëÿþò äâóì âåêòîðàì îäíîãî òèïà îáìåíÿòüñÿ çíà÷åíèÿìè êîîðäèíàò.
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Ôóíêöèÿ äëÿ **BgcVector2FP32**:
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```c
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inline void bgc_vector2_swap_fp32(BgcVector2FP32* vector1, BgcVector2FP32* vector2);
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```
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Ôóíêöèÿ äëÿ **BgcVector2FP32**:
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```c
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inline void bgc_vector2_swap_fp64(BgcVector2FP64* vector1, BgcVector2FP64* vector2);
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```
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 äàííûå ôóíêöèè íå ñëåäóåò ïåðåäàâàòü íåêîððåêòíûå óêàçàòåëè. Çíà÷åíèå NULL (0) òàêæå ñ÷èòàåòñÿ íåêîððåêòíûì.
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Âåêòîð **vector1** ïîñëå âûçîâà äàííîé ôóíêöèè áóäåò èìåòü çíà÷åíèÿ êîîðäèíàò, êàêèå èìåë âåêòîð **vector2** äî âûçîâà ôóíêöèè.
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À âåêòîð **vector2** ïîñëå âûçîâà äàííîé ôóíêöèè áóäåò èìåòü òàêèå æå çíà÷åíèÿ êîîðäèíàò, êàêèå èìåë âåêòîð **vector1** äî âûçîâà ôóíêöèè.
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Ïðèìåð ïðèìåíåíèÿ:
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```c
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#include <stdio.h>
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#include <basic-geometry.h>
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int main()
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{
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BgcVector2FP32 my_vector1, my_vector2;
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bgc_vector2_set_values_fp32(-2, 7, &my_vector1);
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bgc_vector2_set_values_fp32(10, -1, &my_vector2);
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bgc_vector2_swap_fp32(&my_vector1, &my_vector2);
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printf("Vector #1: x1 = %f, x2 = %f\n", my_vector1.x1, my_vector1.x2);
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printf("Vector #2: x1 = %f, x2 = %f\n", my_vector2.x1, my_vector2.x2);
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return 0;
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}
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```
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[Äîêóìåíòàöèÿ](../intro-rus.md) / [2D âåêòîðû](../vector2-rus.md)
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