"TMS320C55x DSP Library DSPLIB Programmer's Reference"

expbexpFunctionBlock Exponent Implementationshort r = bexp (DATA *x, ushort nx)(defined in bexp.asm)Argumentsx [nx]rnxPointer to input vector of size nxReturn value. Maximum exponent that may be used inscaling.Length of input data vectorDescriptionAlgorithmComputes the exponents (number of extra sign bits) of all values in the inputvector and returns the minimum exponent. This will be useful in determiningthe maximum shift value that may be used in scaling a block of data.Not applicableOverflow Handling MethodologyNot applicableSpecial Requirements noneImplementation Notes noneExampleBenchmarksSee examples/bexp subdirectory(preliminary)Cycles Core: 3 * nxOverhead: 4Code size(in bytes)19Function Descriptions4-13