removed usage of sqrt() from the snes solversHg-commit: f1ceb88769eb40be9b76d6268f18b933f807fab4
Fixed line search behavior, added SNESLineSearchQuadraticSecant.Hg-commit: e492d8adec9a0d1359ea317876d69a0d9d98a71d
Added LineSearchSecant to NRichardson solverHg-commit: 2e258784ce982a8b6c092061cb9275c92b100e70
cannot have empty structs in C [per MS compiler]Hg-commit: 424fceb673165fbbe0c8a73f2ce85e8fcaafe938
each SNES solver now has an associated SNESLineSearchSetType_X that allows for specific routines to be set from optionsHg-commit: 9bf353a2ca63f48d871b2090628cbe6dca649f1a
moved most of the LineSearch interface out of SNESLS and into SNES; fixed most of the solversHg-commit: 7938008ed4ad477835f3e77a0f5215bd9ef2049d
more work on FASHg-commit: 9bfe3daf623f3fb51f614d413ecbf1c863dfe9e1
fixed for richardsonHg-commit: 82821de430fcc734ed3bfa8fc88d314d456e5228
changed SNESRICHARDSON to SNESNRICHARDSONHg-commit: 697b0447fe36f835db939ac8db289c880d74f9c7
more changes of Newton to SNESSNESView only prints inner snes if it used by outter snesHg-commit: c84e9c7c4e16141e1039a62c33518e578258767f
changed name of picard files to richardsonHg-commit: 387e672db72af315fb296326fef5a70ff80512fe
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