我有此代码(http://pastebin.com/aWTsGDFW)当我试着建立它我有错误操作数无效二进制表达式(“浮动**”和“浮动” )在行中“* amount = & amount + productPrice;”在addToAmount操作中。任何人都帮助我?谢谢!C的误差:无效操作数的二进制表达式(“浮动**”和“浮动”)
相关的代码粘贴如下:
void addToAmount (float *amount, float price, int qtt, char promo, float VAT){
float productPrice;
productPrice = 0.0;
if (promo == PROMO_NONE){
productPrice = computeNoPromoPrice(price, qtt, VAT);
}else{
if(promo == PROMO_3x2){
productPrice = computeNxMPromoPrice(3, 2, price, qtt, VAT);
}else{
if(promo == PROMO_2x1){
productPrice = computeNxMPromoPrice(2, 1, price, qtt, VAT);
}else{
productPrice = computeHalfPromoPrice (price, qtt, VAT);
}
}
}
*amount = &amount + productPrice; // <- error here
}
您好,欢迎堆栈溢出。请阅读如何提问的帮助页面。具体来说,它反对堆栈溢出规则链接到外部代码,而没有代码在问题本身。 – Amadan 2014-10-30 00:46:23
'*量= *量+ productPrice;' – BLUEPIXY 2014-10-30 00:46:31
你尝试'*量+ = productPrice;'? – SleuthEye 2014-10-30 00:46:32