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The rules of simple assignment data type conversion from source into destination are as follows:

**BYTE =**

**(SHORT, USHORT, LONG, or ULONG)**

The destination receives the low-order 8 bits of the source.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The source is first converted to a LONG, which truncates any decimal portion, then the destination receives the low-order 8 bits of the LONG.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric value with no formatting characters. The source is converted to a LONG, which truncates any decimal portion, then the destination receives the low-order 8 bits of the LONG.

**SHORT =**

**BYTE**

The destination receives the value of the source.

**(USHORT, LONG, or ULONG)**

The destination receives the low-order 16 bits of the source.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The source is first converted to a LONG, which truncates any decimal portion, then the destination receives the low-order 16 bits of the LONG.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric value with no formatting characters. The source is first converted to a LONG, which truncates any decimal portion, then the destination receives the low-order 16 bits of the LONG.

**USHORT =**

**BYTE**

The destination receives the value of the source.

**(SHORT, LONG, or ULONG)**

The destination receives the low-order 16 bits of the source.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The source is first converted to a LONG, which truncates any decimal portion, then the destination receives the low-order 16 bits of the LONG.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric value with no embedded formatting characters. The source is first converted to a LONG, which truncates any decimal portion, then the destination receives the low-order 16 bits of the LONG.

**LONG =**

**(BYTE, SHORT, USHORT, or ULONG)**

The destination receives the value and the sign of the source.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The destination receives the value of the source, including the sign, up to 2 ³¹. If the number is greater than 2³¹, the destination receives the result of modulo 2³¹. Any decimal portion is truncated.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric value with no embedded formatting characters. The source is first converted to a REAL, which is then converted to the LONG.

**DATE =**

**(BYTE, SHORT, USHORT, or ULONG)**

The destination receives the Btrieve format for the Clarion Standard Date for the value of the source.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The source is first converted to a LONG as a Clarion Standard Date, which truncates any decimal portion, then the destination receives the Btrieve format for the Clarion Standard Date.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric value with no embedded formatting characters. The source is first converted to a LONG as a Clarion Standard Date, which truncates any decimal portion, then the destination receives the Btrieve format for the Clarion Standard Date.

**TIME =**

**(BYTE, SHORT, USHORT, or ULONG)**

The destination receives the Btrieve format for the Clarion Standard Time for the value of the source.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The source is first converted to a LONG as a Clarion Standard Time, which truncates any decimal portion, then the destination receives the Btrieve format for the Clarion Standard Time.

**(STRING, CSTRING, PSTRING)**

The source must be a numeric value with no embedded formatting characters. The source is first converted to a LONG as a Clarion Standard Time, which truncates any decimal portion, then the destination receives the Btrieve format for the Clarion Standard Time.

**ULONG =**

**(BYTE, SHORT, or USHORT)**

The source is first converted to a LONG, then the destination receives the entire 32 bits of the LONG.

**LONG**

The destination receives the entire 32 bits of the source.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The source is first converted to a LONG, which truncates any decimal portion, then the destination receives the entire 32 bits of the LONG.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric value with no embedded formatting characters. The source is first converted to a LONG, which truncates any decimal portion, then the destination receives the entire 32 bits of the LONG.

**REAL =**

**(BYTE, SHORT, USHORT, LONG, or ULONG)**

The destination receives the full integer portion and the sign of the source.

**(DECIMAL, PDECIMAL, SREAL, BFLOAT8, or BFLOAT4)**

The destination receives the sign, integer portion, and the decimal portion of the source.

**(STRING, CSTRING, PSTRING)**

The source must be a numeric string value with no embedded formatting characters. The destination receives the sign, integer, and decimal portion of the number. Trailing spaces are ignored.

**SREAL =**

**(BYTE, SHORT, USHORT, LONG, or ULONG)**

The destination receives the sign and value of the source.

**(DECIMAL, PDECIMAL, or REAL)**

The destination receives the sign, integer, and fractional portion of the source.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric string value with no embedded formatting characters. The destination receives the sign, integer, and decimal portion of the number. Trailing spaces are ignored.

**BFLOAT8 =**

**(BYTE, SHORT, USHORT, LONG, or ULONG)**

The destination receives the sign and value of the source.

**(DECIMAL, PDECIMAL, or REAL)**

The destination receives the sign, integer, and fractional portion of the source.

**(STRING, CSTRING,** **or PSTRING)**

The source must be a numeric string value with no embedded formatting characters. The destination receives the sign, integer, and decimal portion of the number. Trailing spaces are ignored.

**BFLOAT4 =**

**(BYTE, SHORT, USHORT, LONG, or ULONG)**

The destination receives the sign and value of the source.

**(DECIMAL, PDECIMAL, or REAL)**

The destination receives the sign, integer, and fractional portion of the source.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric string value with no embedded formatting characters. The destination receives the sign, integer, and decimal portion of the number. Trailing spaces are ignored.

**DECIMAL =**

**(BYTE, SHORT, USHORT, LONG, ULONG, or PDECIMAL)**

The destination receives the sign and the value of the source, wrapping or rounding as appropriate.

**(REAL, or SREAL)**

The destination receives the sign, integer, and the high order part of the fraction from the source. The high order fractional portion is rounded in the destination.

**(STRING, CSTRING, PSTRING)**

The source must be a numeric string value with no embedded formatting characters. The destination receives the sign, integer, and decimal portion of the number. Trailing spaces are ignored.

**PDECIMAL =**

**(BYTE, SHORT, USHORT, LONG, ULONG, or DECIMAL)**

The destination receives the sign and the value of the source, wrapping or rounding as appropriate.

**(REAL, SREAL, BFLOAT8, or BFLOAT4)**

The destination receives the sign, integer, and the high order part of the fraction from the source. The high order fractional portion is rounded in the destination.

**(STRING, CSTRING, or PSTRING)**

The source must be a numeric string value with no embedded formatting characters. The destination receives the sign, integer, and decimal portion of the number. Trailing spaces are ignored.

**STRING =**

**(BYTE, SHORT, USHORT, LONG, or ULONG)**

The destination receives the sign and the unformatted number. The value is left justified in the destination.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The destination receives the sign, integer, and fractional portion of the source (rounded into the string's picture format). The value is left justified in the destination.

**CSTRING =**

**(BYTE, SHORT, USHORT, LONG, or ULONG)**

The destination receives the sign and the unformatted number. The value is left justified in the destination.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The destination receives the sign, integer, and fractional portion of the source (rounded into the string's picture format). The value is left justified in the destination.

**PSTRING =**

**(BYTE, SHORT, USHORT, LONG, or ULONG)**

The destination receives the sign and the unformatted number. The value is left justified in the destination.

**(DECIMAL, PDECIMAL, REAL, SREAL, BFLOAT8, or BFLOAT4)**

The destination receives the sign, integer, and fractional portion of the source (rounded into the string's picture format). The value is left justified in the destination.