round instead of nearbyint

+ more intuitive rounding mode

libSzarp2/ipk/tparam.cc

@@ -33,6 +33,7 @@
 #include <string>
 #include <dirent.h>
 #include <assert.h>
+#include <cmath>
 
 #include <vector>
 #include <sstream>
@@ -695,7 +696,7 @@ TParam::ToIPCValue(SZBASE_TYPE value)
 	for (int i = 0; i < GetPrec(); i++) {
 		value *= 10;
 	}
-	return (SZB_FILE_TYPE) nearbyint(value);
+	return (SZB_FILE_TYPE) std::round(value);
 }
 
 void

parcook/boruta_modbus.cc

@@ -936,7 +936,7 @@ template<> unsigned short long_parcook_modbus_val_op<float>::val() {
 	}
 
 	float* f = (float*) v2;
-	int iv = nearbyint(*f * m_prec);	
+	int iv = std::round(*f * m_prec);
 	unsigned int* pv = (unsigned int*) &iv;
 
 	m_log->log(10, "Float value: %f, int: %d, unsigned int: %u", *f, iv, *pv);
@@ -969,7 +969,7 @@ unsigned short double_parcook_modbus_val_op::val() {
 		}
 	}
 
-	int32_t iv = nearbyint(*(double*)v * m_prec);
+	int32_t iv = std::round(*(double*)v * m_prec);
 	uint32_t* pv = (uint32_t*) &iv;
 
 	m_log->log(10, "Int value: %d, unsigned int: %u", iv, *pv);
@@ -1004,7 +1004,7 @@ unsigned short decimal2_parcook_modbus_val_op::val() {
 
 	double v = rinteger + (rfraction / 1000.0);
 
-	int32_t iv = nearbyint(v * m_prec);
+	int32_t iv = std::round(v * m_prec);
 	uint32_t* pv = (uint32_t*) &iv;
 
 	m_log->log(10, "Int value: %d, unsigned int: %u", iv, *pv);
@@ -1047,7 +1047,7 @@ unsigned short decimal3_parcook_modbus_val_op::val() {
 
 	double v = (10000 * r1) + r2 + (r3 / 1000.0);
 
-	int32_t iv = nearbyint(v * m_prec);
+	int32_t iv = std::round(v * m_prec);
 	uint32_t* pv = (uint32_t*) &iv;
 
 	m_log->log(10, "Int value: %d, unsigned int: %u", iv, *pv);