40 lines
671 B
C++
40 lines
671 B
C++
#include <stdlib.h>
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void swapInt(int *a, int *b){
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int temp = *a;
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*a = *b;
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*b = temp;
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}
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void swapFloat(float *a, float *b){
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float temp = *a;
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*a = *b;
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*b = temp;
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}
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int random(int x){
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return rand() * x / RAND_MAX;
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}
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float randomf(float x){
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return rand() * x / RAND_MAX;
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}
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int smod(int val, int mod){
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if (val>=0) return val%mod;
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int temp=-val/mod+1;
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return (val+temp*mod)%mod;
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}
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double sdes(double val){
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if (val>=0) return val-(int)(val);
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return val-(int)(val)+1;
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}
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double sfmod(double val, double mod){
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val-=(int)(val/mod)*mod;
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if (val<0) val+=mod;
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return val;
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}
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