*DECK S1MERG SUBROUTINE S1MERG (TCOS, I1, M1, I2, M2, I3) C***BEGIN PROLOGUE S1MERG C***SUBSIDIARY C***PURPOSE Merge two strings of ascending real numbers. C***LIBRARY SLATEC C***TYPE SINGLE PRECISION (S1MERG-S, D1MERG-D, C1MERG-C, I1MERG-I) C***AUTHOR (UNKNOWN) C***DESCRIPTION C C This subroutine merges two ascending strings of numbers in the C array TCOS. The first string is of length M1 and starts at C TCOS(I1+1). The second string is of length M2 and starts at C TCOS(I2+1). The merged string goes into TCOS(I3+1). C C***SEE ALSO GENBUN C***ROUTINES CALLED SCOPY C***REVISION HISTORY (YYMMDD) C 801001 DATE WRITTEN C 891214 Prologue converted to Version 4.0 format. (BAB) C 900402 Added TYPE section. (WRB) C 901120 Modified to use IF-THEN-ELSE. Previous spaghetti code did C not compile correctly with optimization on the IBM RS6000. C (RWC) C 920130 Code name changed from MERGE to S1MERG. (WRB) C***END PROLOGUE S1MERG