project_files/hwc/rtl/pmath.c
author Wuzzy <Wuzzy2@mail.ru>
Tue, 28 Aug 2018 05:46:33 +0200
changeset 13710 0da36902e5b6
parent 8047 25a4daa6473c
child 14185 801dc57371c3
permissions -rw-r--r--
Space Invasion: Continue playing rounds in case the teams are tied at the end Rules in case of a tie: 1) Eliminate all teams not tied for the lead 2) Play another round with the remaining teams 3) Check for the winner again at the end of that round. If there's another tie, repeat the procedure
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#include "pmath.h"
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#include <stdlib.h>
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#include <math.h>
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/*
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 * power raises base to the power power.
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 * This is equivalent to exp(power*ln(base)). Therefore base should be non-negative.
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 */
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float fpcrtl_power(float base, float exponent)
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{
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    return exp(exponent * log(base));
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}
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/* Currently the games only uses sign of an integer */
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int fpcrtl_signi(int x)
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{
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    if(x > 0){
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        return 1;
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    }
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    else if(x < 0){
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        return -1;
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    }
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    else{
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        return 0;
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    }
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}
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float fpcrtl_csc(float x)
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{
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    return 1 / sin(x);
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}
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float __attribute__((overloadable)) fpcrtl_abs(float x)
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{
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    return fabs(x);
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}
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double __attribute__((overloadable)) fpcrtl_abs(double x)
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{
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    return fabs(x);
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}
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int __attribute__((overloadable)) fpcrtl_abs(int x)
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{
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    return abs(x);
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}
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int64_t __attribute__((overloadable)) fpcrtl_abs(int64_t x)
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{
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    return x < 0 ? -x : x;
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}