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1.1 ! root 1: /usr/src/libm/Changes ! 2: libm source change log begun 5/22/92 ! 3: ! 4: Fri May 22 13:15:18 1992 PDT ! 5: ceil.c ! 6: cos.c ! 7: floor.c ! 8: pow.c ! 9: tan.c ! 10: two.c ! 11: Corrected sources to reflect corrected modf() return value ! 12: for negative arguments; e.g. for arg -1.9, ! 13: modf() used to return intpart -2. and fracpart .1, ! 14: now (correctly) it returns intpart -1. and fracpart -.9. ! 15: Other minor cosmetic changes. ! 16: ! 17: Tue Jun 9 17:23:40 1992 PDT ! 18: sin.c ! 19: sinh.c ! 20: tanh.c ! 21: Added code to return arg unchanged when less that THRESHOLD ! 22: in absolute value after Promula reported inaccuracy for very ! 23: small arguments. ! 24: ! 25: Wed Jun 10 14:37:37 1992 PDT ! 26: sin.c ! 27: Another change by cef: below THRESHOLD, sin(x) now uses ! 28: Taylor's Series, rather than just returning x. ! 29: ! 30: Mon Oct 26 11:09:36 1992 PST ! 31: i387/* ! 32: Initial version. Steve modified the existing i8087 NDP ! 33: routines 10/19-23/92, including conversion of the old .m ! 34: sources to current assembler format and simplification of ! 35: many routines by using i80x87 opcodes which were not present ! 36: in the i8087. Appears to work, but not heavily tested. ! 37: ! 38: Wed Dec 2 13:43:01 1992 PST ! 39: i387/Makefile ! 40: Added pol.o and j[01n].o, previously missing, ! 41: using common C sources. ! 42: ! 43: Wed Jan 13 16:00:25 1993 PST ! 44: i387/acos87.s ! 45: i387/asin87.s ! 46: i387/exp87.s ! 47: i387/tanh87.s ! 48: Change fdiv/fsub ops in keeping with cef's as change, ! 49: for Unix compatability. ! 50:
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